software engineer

devops engineer

senior software engineer

full stack engineer

lead software engineer

kotlin developer

Client of Xcelyst Limited

<p>Senior Software Engineer &ndash; KotlinJob Title</p><p>Senior Software Engineer &ndash; Kotlin</p><p>Location</p><p>London, United Kingdom (Hybrid)</p><p>Employment Type</p><p>Permanent / Full-Time</p><p>About the Role</p><p>We are looking for experienced Senior Kotlin Engineers to join a high-performing engineering team building a next-generation cloud-native platform within the Capital Markets domain. This platform supports critical front-office business processes and is used by global users operating in a fast-paced, real-time environment.</p><p>You will work closely with product, engineering, and platform teams to design, build, and support highly scalable backend services while contributing to a strong engineering culture focused on quality, collaboration, and continuous improvement.</p><p>Key Responsibilities</p><ul><li>Design, develop, and maintain backend services using Kotlin</li><li>Build scalable, resilient, and high-performance cloud-native applications</li><li>Collaborate with cross-functional teams to deliver business-critical features</li><li>Participate in architecture discussions and technical design decisions</li><li>Follow engineering best practices including automated testing, code reviews, and continuous integration</li><li>Support production systems and contribute to platform reliability and operational excellence</li><li>Drive continuous improvement through refactoring, clean code principles, and technical innovation</li><li>Work in highly collaborative engineering environments with shared ownership of solutions</li></ul><p>Required Skills &amp; Experience</p><ul><li>Strong commercial experience developing backend applications using Kotlin</li><li>Solid understanding of object-oriented design and software engineering principles</li><li>Experience building distributed systems, microservices, and event-driven architectures</li><li>Hands-on experience with cloud platforms, preferably Google Cloud Platform (GCP)</li><li>Experience with:</li><li>Kubernetes (GKE) and/or Cloud Run</li><li>Cloud SQL</li><li>Caching technologies</li><li>Logging and monitoring tools</li><li>Secure key and secrets management</li><li>Strong understanding of CI/CD pipelines and modern SDLC practices</li><li>Experience working in enterprise or regulated environments</li><li>Comfortable supporting production systems with high availability requirements</li></ul><p>Preferred Skills</p><ul><li>Experience within Capital Markets, Investment Banking, Trading, or Financial Services environments</li><li>Exposure to Agile, Extreme Programming (XP), Test-Driven Development (TDD), and continuous refactoring practices</li><li>Experience with infrastructure automation and cloud-native deployment models</li><li>Knowledge of event streaming and messaging platforms</li></ul><p>What We're Looking For</p><ul><li>Strong problem-solving and analytical skills</li><li>Passion for building high-quality software</li><li>Collaborative mindset and excellent communication skills</li><li>Ability to thrive in fast-paced, business-critical environments</li><li>Commitment to continuous learning and engineering excellence</li></ul><p>Benefits</p><ul><li>Opportunity to work on a large-scale, business-critical platform</li><li>Exposure to modern cloud-native technologies</li><li>Collaborative engineering culture</li><li>Career growth and professional development opportunities</li><li>Competitive compensation and benefits package</li></ul><p>If you are passionate about Kotlin, cloud-native engineering, and building scalable platforms that support critical business operations, we would love to hear from you.</p><p>Pay: &pound;120,000.00-&pound;160,000.00 per year</p><p>Work Location: Hybrid remote in London</p>

Kotlin Developer

JPMorganChase

<div><b>JOB DESCRIPTION</b><br>
<br>
<br>
<p>Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of J.P. Morgan heritage brings.</p><p>
J.P. Morgan Personal Investing offers award-winning investments, products and digital wealth management services to over 275,000 investors in the UK. We built the business with innovation as a core part of our ethos to give consumers the confidence and clarity to make informed investment decisions and achieve their financial goals.
</p><p>Our Back-End Engineering team is at the heart of this venture, focused on getting a great banking experience into the hands of our customers. We're looking for people who have a curious mindset, thrive in a collaborative environment, and are passionate about new technology. By their nature, our people are also solution-oriented, commercially savvy and have a head for fintech. We work in teams that focus on specific products and projects. Depending on your strengths and interests, you'll have the opportunity to move between them and work in projects including fraud prevention, Investments, identity services, money transfers, debit and credit card payments, core banking, insurance products, reward campaigns, call-centre supporting innovations and more.</p><p>
</p><p><b>Job responsibilities</b>:</p><ul><li>
Deliver end-to-end cutting-edge solutions in the form of cloud-native microservice architecture applications leveraging the latest technologies and the best industry practices.</li><li>
Design, estimate costs for and implement technical solutions written in Java/Kotlin</li><li>
Write unit, component, integration, end-to-end &amp; performance tests</li><li>
Support the products you've built through their entire life cycle, including production and incident management</li><li><p>
Leverages enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve broader team effectiveness.</p></li><li><p>
Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation.</p></li></ul><p>
</p><p><b>Required qualifications, capabilities and skills</b></p><ul><li>
Formal training or certification on Java programming concepts and proficient advanced experience</li><li>
Recent hands-on professional experience as a back-end software engineer in an agile, dynamic and customer facing environment</li><li>
Recent experience with using a JVM language (Java/Scala/Kotlin, preferably Java 8+)</li><li>
Understanding of RESTful APIs and web technologies</li><li>
Understanding of relational databases</li><li>
Experience in all the stages of software development lifecycle (requirements, design, architecture, development, testing, deployment, release and support)</li><li>
Ability to work in a dynamic, agile environment within a diverse, inclusive and geographically distributed team</li><li>
Ability to focus on promptly addressing customer needs</li><li>
Technically curious, versatile and solution</li><li>
Excellent written and verbal communication skills in English</li><li><p>
Hands-on experience using enterprise-authorized AI-assisted software development tools within the work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine AI-generated outputs for correctness, performance, and security.</p></li><li><p>
Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; ability to guide peers on safe and effective usage within team practices.<br>
<br>
<b>Preferred qualifications, capabilities and skills</b></p></li><li>
Understanding of distributed systems and microservices architecture</li><li>
Understanding of cloud technologies (AWS, GCP, Azure, etc.)</li><li>
Understanding of messaging frameworks (Kafka, RabbitMQ, etc.)</li><li>
Experience in automating deployment, releases and testing in continuous integration, continuous delivery pipelines</li></ul><p>
</p><p>#ICBCareers #ICBEngineering</p>
<b>ABOUT US</b>
<br>
<br>
J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world's most prominent corporations, governments, wealthy individuals and institutional investors. Our first-class business in a first-class way approach to serving clients drives everything we do. We strive to build trusted, long-term partnerships to help our clients achieve their business objectives.<br>
<div><div>We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.<br>
</div></div><br>
<br>
<b>ABOUT THE TEAM</b><br>
<br>
<br>
<div>The Cybersecurity &amp; Technology Controls group at JPMorganChase aligns the firm's cybersecurity, access management, controls and resiliency teams. The group proactively and strategically partners with all lines of business and functions to enable them to design, adopt and integrate appropriate controls; deliver processes and solutions efficiently and consistently; and drive automation of controls. The group's number one priority is to enable the business by keeping the firm safe, stable and resilient.<br>
<div></div><br>
<div><div>High Risk Roles (HRR) are sensitive roles within the technology organization that require high assurance of the integrity of staff by virtue of 1) sensitive cybersecurity and technology functions they perform within systems or 2) information they receive regarding sensitive cybersecurity or technology matters. Users in these roles are subject to enhanced pre-hire screening which includes both criminal and credit background checks (as allowed by law). The enhanced screening will need to be successfully completed prior to commencing employment or assignment.</div></div></div></div><div></div>

Software Engineer III- JPM Personal Investing- Mid Level

<div><b>JOB DESCRIPTION</b><br>
<br>
<br>
<p>Out of the successful launch of Chase in 2021, we're a new team, with a new mission. We're creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We're people-first. We value collaboration, curiosity and commitment.
</p><p>As a Lead Software Engineer at JPMorgan Chase within the Accelerator business, you are the heart of this venture, focused on getting smart ideas into the hands of our customers. You have a curious mindset, thrive in collaborative squads, and are passionate about new technology. By your nature, you are also solution-oriented, commercially savvy and have a head for fintech. You thrive in working in tribes and squads that focus on specific products and projects &ndash; and depending on your strengths and interests, you'll have the opportunity to move between them.</p>
<p>While we're looking for professional skills, culture is just as important to us. We understand that everyone's unique &ndash; and that diversity of thought, experience and background is what makes a good team, great. By bringing people with different points of view together, we can represent everyone and truly reflect the communities we serve. This way, there's scope for you to make a huge difference &ndash; on us as a company, and on our clients and business partners around the world.</p>
<p><b>Job responsibilities:</b></p>
<ul><li>Use domain modeling techniques to allow us to build best in class business products.</li>
<li>Structure software so that it is easy to understand, test and evolve.</li>
<li>Build solutions that avoid single points of failure, using scalable architectural patterns.</li>
<li>Develop secure code so that our customers and ourselves are protected from malicious actors.</li>
<li>Promptly investigate and fix issues and ensure they do not resurface in the future.</li>
<li>Make sure our releases happen with zero downtime for our end-users.</li>
<li>See that our data is written and read in a way that's optimized for our needs.</li>
<li>Keep an eye on performance, making sure we use the right approach to identify and solve problems.</li>
<li>Ensure our systems are reliable and easy to operate.</li>
<li>Keep us up to date by continuously updating our technologies and patterns.</li>
</ul><p><b>Required qualifications, capabilities and skills:</b></p>
<ul><li>Formal training or certification on problem-solving concepts and proficient applied experience</li>
<li>Identifies problems, proposes solutions, suggests what's best to focus on. Sees themselves as a problem solver.
</li><li>Contributes to the problem at hand, even when outside their area of speciality.</li>
<li>A desire to teach others and share knowledge. We aren't looking for hero developers, more for team players.</li>
<li>Adjusts quickly to changing priorities and conditions. Copes effectively with complexity and change. Learns and unlearns technologies and patterns quickly. Comfortable in uncharted waters.</li>
<li>Can see the long term. Won't sacrifice the future for the present. Chooses technologies and approaches based on the end goals.</li>
<li>High standards. Expects personal performance and team performance to be nothing short of the best.</li>
<li>Does not cut corners ethically. Earns and maintains trust.</li>
<li>Does what's best for the company, rather than what's best for themselves or their team.</li>
<li>Able to take the initiative and shape their own path and a pragmatic and iterative approach to achieving our long term goals</li>
</ul><p><b>Technologies:</b></p>
<ul><li>We primarily use Jvm based languages (Java/Kotlin) but we also have parts of the platform that use other languages as needed.</li>
<li>We look to use Open source when it makes sense and build ourselves when it doesn't.</li>
<li>We are entirely cloud native and want to build a truly multi-cloud solution.</li>
<li>We look at each problem independently and pick the right technology to solve it.</li>
<li>We aren't afraid to try new things but we always remember that we are looking to build something to last, and we focus on solving real world problems for real life customers.</li>
</ul><p>#ICBengineering #ICBcareer</p>
<b>ABOUT US</b>
<br>
<br>
J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world's most prominent corporations, governments, wealthy individuals and institutional investors. Our first-class business in a first-class way approach to serving clients drives everything we do. We strive to build trusted, long-term partnerships to help our clients achieve their business objectives.<br>
<div><div>We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.<br>
</div></div><br>
<br>
<b>ABOUT THE TEAM</b>
<br>
<br>
Our Corporate Technology team relies on smart, driven people like you to develop applications and provide tech support for all our corporate functions across our network. Your efforts will touch lives all over the financial spectrum and across all our divisions: Global Finance, Corporate Treasury, Risk Management, Human Resources, Compliance, Legal, and within the Corporate Administrative Office. You'll be part of a team specifically built to meet and exceed our evolving technology needs, as well as our technology controls agenda.</div>

Lead Software Engineer - Backend Engineering - Java/Kotlin

<div><b>JOB DESCRIPTION</b><br>
<br>
<br>
<p>Out of the successful launch of Chase in 2021, we're a new team, with a new mission. We're creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We're people-first. We value collaboration, curiosity and commitment.
</p><p>As a Software Engineer III at JPMorgan Chase within the Accelerator business, you are the heart of this venture, focused on getting smart ideas into the hands of our customers. You have a curious mindset, thrive in collaborative squads, and are passionate about new technology. By your nature, you are also solution-oriented, commercially savvy and have a head for fintech. You thrive in working in tribes and squads that focus on specific products and projects &ndash; and depending on your strengths and interests, you'll have the opportunity to move between them.</p>
<p>While we're looking for professional skills, culture is just as important to us. We understand that everyone's unique &ndash; and that diversity of thought, experience and background is what makes a good team, great. By bringing people with different points of view together, we can represent everyone and truly reflect the communities we serve. This way, there's scope for you to make a huge difference &ndash; on us as a company, and on our clients and business partners around the world.</p>
<p><b>Job responsibilities:</b></p>
<ul><li>Use domain modeling techniques to allow us to build best in class business products.</li>
<li>Structure software so that it is easy to understand, test and evolve.</li>
<li>Build solutions that avoid single points of failure, using scalable architectural patterns.</li>
<li>Develop secure code so that our customers and ourselves are protected from malicious actors.</li>
<li>Promptly investigate and fix issues and ensure they do not resurface in the future.</li>
<li>Make sure our releases happen with zero downtime for our end-users.</li>
<li>See that our data is written and read in a way that's optimized for our needs.</li>
<li>Keep an eye on performance, making sure we use the right approach to identify and solve problems.</li>
<li>Ensure our systems are reliable and easy to operate.</li>
<li>Keep us up to date by continuously updating our technologies and patterns.</li>
</ul><p><b>Required qualifications, capabilities and skills:</b></p>
<ul><li>Formal training or certification on problem-solving concepts and proficient applied experience</li>
<li>A desire to teach others and share knowledge. We aren't looking for hero developers, more for team players.</li>
<li>Adjusts quickly to changing priorities and conditions. Copes effectively with complexity and change. Learns and unlearns technologies and patterns quickly. Comfortable in uncharted waters.</li>
<li>Can see the long term. Won't sacrifice the future for the present. Chooses technologies and approaches based on the end goals.</li>
<li>High standards. Expects personal performance and team performance to be nothing short of the best.</li>
<li>Does not cut corners ethically. Earns and maintains trust.</li>
<li>Does what's best for the company, rather than what's best for themselves or their team.</li>
<li>Able to take the initiative and shape their own path.</li>
<li>Has a pragmatic and iterative approach to achieving our long term goals</li>
</ul><p><b>Technologies:</b></p>
<ul><li>We primarily use Jvm based languages (Java/Kotlin) but we also have parts of the platform that use other languages as needed.</li>
<li>We look to use Open source when it makes sense and build ourselves when it doesn't.</li>
<li>We are entirely cloud native and want to build a truly multi-cloud solution.</li>
<li>We look at each problem independently and pick the right technology to solve it.</li>
<li>We aren't afraid to try new things but we always remember that we are looking to build something to last, and we focus on solving real world problems for real life customers.</li>
</ul><p>#ICBengineering #ICBcareers</p>
<b>ABOUT US</b>
<br>
<br>
J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world's most prominent corporations, governments, wealthy individuals and institutional investors. Our first-class business in a first-class way approach to serving clients drives everything we do. We strive to build trusted, long-term partnerships to help our clients achieve their business objectives.<br>
<div><div>We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.<br>
</div></div><br>
<br>
<b>ABOUT THE TEAM</b>
<br>
<br>
Our Corporate Technology team relies on smart, driven people like you to develop applications and provide tech support for all our corporate functions across our network. Your efforts will touch lives all over the financial spectrum and across all our divisions: Global Finance, Corporate Treasury, Risk Management, Human Resources, Compliance, Legal, and within the Corporate Administrative Office. You'll be part of a team specifically built to meet and exceed our evolving technology needs, as well as our technology controls agenda.</div>

Software Engineer III - Backend Engineering - Java/Kotlin

Expedia Group

<div>
 Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success.
 <br/>
 <br/>
 <strong>
  Why Join Us?
  <br/>
  <br/>
 </strong>
 To shape the future of travel, people must come first. Guided by our Values and Leadership Agreements, we foster an open culture where everyone belongs, differences are celebrated and know that when one of us wins, we all win.
 <br/>
 <br/>
 We provide a full benefits package, including exciting travel perks, generous time-off, parental leave, a flexible work model (with some pretty cool offices), and career development resources, all to fuel our employees' passion for travel and ensure a rewarding career journey. We&rsquo;re building a more open world. Join us.
 <br/>
 <br/>
 Introduction to the team
 <br/>
 <br/>
 Expedia B2B is the B2B arm of Expedia Group. We bring Expedia Group&rsquo;s scale, travel supply, and technology to businesses that want to build and grow in travel. Through those partnerships, we power travel experiences for millions of consumers globally and help our partners drive loyalty, conversion, and growth. Within this space, our team builds and operates backend services and data-driven capabilities that need to be reliable, scalable, and easy to evolve as partner and business needs change.
 <br/>
 <br/>
 <strong>
  What You&rsquo;ll Do
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Develop, test, and support software components and services as part of a collaborative engineering team, helping deliver reliable solutions in production.
  </li>
  <li>
   Work closely with engineers, product managers, and other partners to understand requirements, break down work, and deliver well-scoped features and improvements.
  </li>
  <li>
   Apply sound software engineering principles to write clean, maintainable, modular code with appropriate tests, observability, and documentation.
  </li>
  <li>
   Contribute to services and APIs that operate at scale, with attention to performance, resilience, and long-term maintainability.
  </li>
  <li>
   Debug applications, investigate issues in production and non-production environments, and follow through until problems are understood and resolved.
  </li>
  <li>
   Participate in agile ways of working, share progress clearly, ask thoughtful questions, and use feedback to improve both your own work and the team&rsquo;s overall effectiveness.
  </li>
  <li>
   Help identify inefficiencies or areas for improvement in existing systems, and contribute practical ideas that raise engineering quality over time.
  </li>
  <li>
   Collaborate across team boundaries when needed to understand integrations, dependencies, and how your team&rsquo;s systems fit into the wider business and technical landscape.
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Experience And Qualifications
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   You have solid general programming skills and a good grounding in software engineering fundamentals, including object-oriented design, data structures, algorithms, and clean coding practices.
  </li>
  <li>
   You have professional experience building software in a team environment and are comfortable working with modern engineering practices such as version control, code reviews, testing, and iterative delivery.
  </li>
  <li>
   You have experience building, maintaining, or supporting applications in production, ideally in cloud-based environments such as AWS.
  </li>
  <li>
   You are comfortable working within moderately complex systems and can understand how services, APIs, data stores, and integrations fit together within a broader platform.
  </li>
  <li>
   You take ownership of your work, test and monitor your own changes, and care about building solutions that are reliable, scalable, and maintainable.
  </li>
  <li>
   You are a strong collaborator who works well with teammates and stakeholders, reaches out proactively when needed, and helps move work forward in a constructive way.
  </li>
  <li>
   You are curious and motivated to keep learning, whether that means deepening your technical skills, understanding the business context better, or picking up new technologies quickly.
  </li>
  <li>
   You are comfortable speaking up, asking challenging questions, and constructively defending your views when it helps the team arrive at a better solution.
  </li>
  <li>
   Experience with JVM languages such as Java or Kotlin is helpful, and experience with distributed systems, high-volume applications, or service-based architectures would be a strong advantage.
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Accommodation requests
  <br/>
  <br/>
 </strong>
 If you need assistance with any part of the application or recruiting process due to a disability, or other physical or mental health conditions, please reach out to our Recruiting Accommodations Team through the Accommodation Request.
 <br/>
 <br/>
 We are proud to be named as a Best Place to Work on Glassdoor in 2024 and be recognized for award-winning culture by organizations like Forbes, TIME, Disability:IN, and others.
 <br/>
 <br/>
 Expedia Group's family of brands includes: Brand Expedia&reg;, Hotels.com&reg;, Expedia&reg; Partner Solutions, Vrbo&reg;, trivago&reg;, Orbitz&reg;, Travelocity&reg;, Hotwire&reg;, Wotif&reg;, ebookers&reg;, CheapTickets&reg;, Expedia Group&trade; Media Solutions, Expedia Local Expert&reg;, CarRentals.com&trade;, and Expedia Cruises&trade;. &copy; 2024 Expedia, Inc. All rights reserved. Trademarks and logos are the property of their respective owners. CST: 2029030-50
 <br/>
 <br/>
 Employment opportunities and job offers at Expedia Group will always come from Expedia Group&rsquo;s Talent Acquisition and hiring teams. Never provide sensitive, personal information to someone unless you&rsquo;re confident who the recipient is. Expedia Group does not extend job offers via email or any other messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com/jobs.
 <br/>
 <br/>
 Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, gender, sexual orientation, national origin, disability or age.
</div>


Software Dev Engineer II

Blockchain

<div><div><p><b>Blockchain</b> is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions.</p></div><p>
You will operate the Product Security programe for Blockchain.com's internally-developed products across Consumer, OTC and MRE lines. This is a senior, hands-on role: you'll design and run the secure development lifecycle, lead threat modeling and architecture review, own the security debt lifecycle for product engineering teams, and architect the automated pipelines that protect billions in transaction volume. You will embed with product and engineering teams, convert technical findings into business-prioritized remediation, and lift developer capabilities so security is delivered by code and process.</p>
<p><b>
WHAT YOU WILL DO</b></p>
<ul>
<li><b>Strategic Security Partnership:</b> Act as a senior security engineer for the different product lines like Consumer, OTC. You will own the security gates for major feature releases and ensure security is integrated from the design phase.</li>
<li><b>Secure SDLC Operator:</b> Operate and improve the secure development lifecycle. This includes orchestrating SAST/SCA/DAST, streamlining SARIF ingestion, PR review standards, CI/CD security automation, and vulnerability triage workflows.</li>
<li><b>AI-Driven SDLC Innovation:</b> Research, architect, and safely embed cutting-edge AI utilities and Large Language Model (LLM) agents directly into our secure development lifecycle.</li>
<li><b>Threat Modelling &amp; Architecture Reviews:</b> Lead STRIDE/attack-tree threat models for sensitive flows including authentication, payment, custody, reconciliation and sign off on security architecture for critical designs.</li>
<li><b>Product Security Governance &amp; Standards:</b> Translate technical risks and regulatory demands into clear security policies. You will own the creation and upkeep of our Application Security Standards, reference architectures, and compliance-driven secure coding baselines.</li>
<li><b>Bug Bounty Leadership:</b> Oversee the technical triage and remediation strategy for our Bug Bounty program. You will turn external researcher findings into internal architectural hardening projects.</li>
<li><b>Release Reviews:</b> Perform deep-dive manual code reviews of security-sensitive Pull Requests, mentor engineers on secure coding patterns, and provide pragmatic remediation guidance.</li>
<li><b>Advanced Code Auditing:</b> Conduct deep-dive manual and automated code reviews on highly sensitive Java and Kotlin backend Pull Requests.</li>
<li><b>Security Debt &amp; Remediation Negotiation:</b> Produce data-driven Security Debt packs and negotiate remediation into engineering roadmaps. You will negotiate remediation timelines with Product Owners and Engineering leadership, backed by risk-based data.</li>
<li><b>Detection &amp; Telemetry Integration:</b> Define application runtime signals (business-logic anomalies, auth anomalies, reconciliation mismatches) and work with SecOps to instrument logs and alerts.</li>
<li><b>Testing &amp; Automation:</b> Build and maintain product-level test harnesses, fuzzing/property tests and CI checks to prevent regressions for business-critical flows.</li>
<li><b>Incident Response Support</b>: Provide product-level Incident Response expertise like test forensic runbooks, support reproduction of payment/settlement incidents, and advise on containment/remediation whenever needed.</li>
<li><b>Metrics &amp; Risk Visibility:</b> Define and own the Product Security metrics (e.g., MTTR for critical vulnerabilities, security debt burn-down, and defect density). You will translate these KPIs into high-level risk reports for the Head of Security and Engineering leadership to drive data-backed resourcing decisions.</li>
<li><b>People &amp; Process:</b> Coach junior product security engineers and security champions. You will assist the Product Security Lead to define hiring standards and capability plans.</li>
</ul>
<p><b>WHAT YOU WILL NEED</b></p>
<p><b>
Must-Haves</b></p>
<ul>
<li>4+ years total security engineering experience with at least 3+ years focused specially in application/product security or equivalent.</li>
<li>Experience with Web, Mobile, Cloud, Infrastructure Pentests and Red Teaming (e.g., phishing)</li>
<li>Proven track record of shipping security automation using CodeQL/GHAS, Snyk, or similar. You should be intimately familiar with the SARIF ecosystem and ASPM workflows.</li>
<li>Expert-level ability to audit and propose fixes in Kotlin/Java, TypeScript/JS, Python, and familiarity with containerised deployments (Kubernetes).</li>
<li>Strong threat modeling experience and pragmatic architecture guidance for high-stakes financial flows (AuthN/AuthZ, Cryptography, Payments).</li>
<li>Experience building CI checks, test harnesses and lightweight fuzzing/property tests.</li>
<li>Excellent stakeholder skills &mdash; able to negotiate remediation with Engineering Directors and Product owners, balancing security requirements with business velocity.</li>
</ul>
<p><b>Nice-to-haves</b></p>
<ul>
<li>Prior fintech/Trading/OTC product security experience or familiarity with custody/signing patterns.</li>
<li>Practical experience designing or deploying AI-assisted security tooling, leveraging LLMs for automated software patch generation, or evaluating vulnerability detection agents within enterprise developer pipelines.</li>
<li>Prior experience operating alongside GRC frameworks, authoring developer-facing security policies from scratch, and building automated policy-as-code gateway integrations.</li>
<li>Public track record of CVEs, security research, or open-source contributions to security tooling.</li>
<li>Advanced credentials such as OSCP, OSWE, CISSP or equivalent.</li>
<li>Experience with on-chain/off-chain integration, payment reconciliation, or smart contract security.</li>
<li>Familiarity with vulnerability management platforms (DefectDojo, Dependabot orchestration) and GRC/Gateway integrations.</li>
<li>Prior contributions to security automation and developer tooling (open source or internal).</li>
</ul>
<p><b>COMPENSATION &amp; PERKS</b></p>
<ul>
<li>Full-time salary based on experience and meaningful equity in an industry-leading company</li>
<li>This is a role based in our London office, with a mandatory in-office presence four days per week.</li>
<li>Work from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year.</li>
<li>ClassPass</li>
<li>Unlimited vacation policy; work hard and take time when you need it</li>
<li>Apple equipment</li>
<li>The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field</li>
<li>Flexible work culture</li>
</ul><div><p><i>
Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.</i></p>
<p><i>
You may contact our Data Protection Officer by email at dpo@blockchain.com. Your personal data will be processed for the purposes of managing Controller's recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of Regulation (EU) 2016/679 (General Data Protection Regulation) as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment.</i></p>
<p><i>
Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller's behalf. Accordingly, if you are located outside of the United States, your personal data will be transferred to the United States once you submit it through this site. Because the European Union Commission has determined that United States data privacy laws do not ensure an adequate level of protection for personal data collected from EU data subjects, the transfer will be subject to appropriate additional safeguards under the standard contractual clauses.</i></p>
<p><i>
Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment. Under the GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. You also have the right to data portability. In addition, you may lodge a complaint with an EU supervisory authority.</i></p></div></div>

Senior Product Security Engineer

GUARDIAN NEWS & MEDIA

<div><div><div><div><div><p>Join our team at the Guardian and be a part of a diverse and inclusive global organisation that delivers fearless, investigative journalism, and holds power to account. Our team of award-winning journalists, cutting-edge commercial professionals, and industry-leading digital experts are committed to making a difference and represent a wide range of backgrounds and perspectives. We offer a challenging and exciting environment for career development, with a focus on training, growth and fostering an inclusive culture.</p><p>
We are now looking for a <b>Senior Android Developer</b> to join our Apps team. Development of digital products is central to the Guardian. We create our award-winning Android app primarily in Kotlin and Java using Android Studio. We're focussed on providing a fast and stable experience to our users, and our Play Store rating of 4.7 stars is testament to that.</p><p>
You'll work on major new features, as well as improving and maintaining existing functionality for The Guardian's Android apps. As a Senior Developer you'll take the lead on projects and offer encouragement and guidance to help others to grow.
</p><p><b>About the role</b></p><ul><li>
Building and testing major new features, as well as improving and maintaining existing functionality for our apps.</li><li>
Working 90%+ in Kotlin, but you may be required to work with Java too.</li><li>
You won't be coding in isolation - our culture is strongly collaborative, whether pair programming with other developers or working closely with other stakeholders.
</li><li>You can expect to work closely with iOS, server-side, and web engineers, and designers, product managers, editorial and commercial colleagues.</li><li>
You'll take on a leadership role in some of the teams projects</li><li>
You'll be encouraged to help others grow - you will pass on your expertise to other developers, whilst continuing to grow yourself.</li><li>
Sometimes deciding what code to write is as hard as writing the code itself. As an engineer you'll be involved in product decisions as well as technical ones.</li><li>
You'll strive to be innovative on a daily basis, as well as at our regular hack days.</li></ul><p><b>
About you</b></p><ul><li>
You have demonstrated expertise in Android development and you have a strong interest in growing your skills.</li><li>
You have strong competence in one or more of modern Android development tools, including Jetpack Compose, Coroutines/Flow, MVVM, Webviews, other Jetpack libraries, and modular app architectures.</li><li>
You test your code and promote a culture of testing. Demonstrate experience with some of JVM unit testing, instrumented testing, and UI regression testing</li><li>
You are comfortable working with both cutting edge technologies as well as legacy code</li><li>
You have experience of, or are willing to take on a leadership role in some team projects</li><li>
You have a rough idea of how iOS development works and you'd like to know more, perhaps even try it yourself.</li><li>
Familiarity with Swift and ObjectiveC for iOS, or Scala and Typescript for server side development is useful.
</li></ul><p><b>We actively encourage applications from groups traditionally underrepresented in the UK media</b></p><p>
Our developers operate in a hybrid environment working 1 day a week from our offices in Kings Cross and 4 days remotely. If you'd like to come in more than that, that's great too.
</p><p>We strive for transparency in remuneration where possible. The salary for new Senior Android Developers at the Guardian is &pound;82,000 per year.
</p><p>We value and respect all differences (seen and unseen) in all people. We aspire to have inclusive working experiences and an environment that reflects the audience we serve, where our people have equal access to career development opportunities, their voices are heard and can contribute to our future. We actively encourage applications from people of all backgrounds. Many of our staff work flexibly and we will consider all requests for flexible working arrangements.</p><p><b>
How to apply</b></p><p>
To apply, please upload your latest CV. We don't require a cover letter but we'll ask you a question about android development as part of the application questionnaire. This question should take no longer than 5 minutes to answer, so please factor in the extra time when applying.
</p><p>We appreciate the time taken to prepare each application we receive. We do not use AI-assisted technology to review applications; every application is reviewed by a member of our recruitment team. Thank you for bearing with us during the screening process.
</p><p>The closing date for applications is <b>Friday 10th July.</b></p><p>
All roles at the Guardian are open for everybody to apply. It is important to us that you feel supported and comfortable throughout your recruitment process, in order to perform your best. Please let us know if there are any changes we could make to help your application, this includes providing documents in accessible formats or personalising the process to better support your needs. Please contact Anna Vipers on anna.vipers@theguardian.com to discuss further so we can work with you to support you through your application.</p><p><b>
Benefits at the Guardian</b></p><p>
You'll have 30 days of annual leave per year (plus bank holidays) with the option to purchase an additional 5 days. Our pension scheme is generous; if you contribute 5% then we will contribute 8-12% (depending on your age). We believe in giving back, which is why employees are given 2 volunteering days annually and the option of payroll giving. Season ticket loans are also available.</p><p>
You are entitled to private healthcare, life cover, income protection, and eye tests. You can also opt in to dental insurance.</p><p>
We have enhanced maternity, paternity, adoption and shared parental leave policies in place. We also support our employees by offering an IVF, menopause, baby loss, and trans equality policy.</p><p><b>
Culture and wellbeing</b></p><p>
We want everyone to feel like they belong at the Guardian and we champion diversity of thought. Our various employee forums provide a platform to use their voice to foster an inclusive workplace. We became the first major media organisation to achieve B Corp status.</p><p>
We offer tools to help you prioritise your wellbeing including access to our employee benefits platform which provides tailored support for health and wellbeing. In addition, we also offer free yoga and pilates classes. These run alongside our corporate gym membership and cycle to work scheme.</p><p>
Our canteen has views overlooking the Regents Canal and caters for breakfast, lunch and dinner.</p><p><b>
Learning and development</b></p><p>
We encourage personal and professional growth. Employees have access to a broad range of tools and solutions, and we are happy to support the pursuit of professional qualifications through vocational courses and apprenticeships.</p><p>
We value honesty in your application.</p><p>
AI generated content must not be presented as your own work.
</p><p>Please review our guidance on the use of AI in your application here.
</p><p><b>We value honesty in your application.</b>
</p><p>AI generated content must not be presented as your own work. Please review our guidance on the use of AI in your application here.</p>
</div><div><div><div>Job Number</div>
<div>1251</div>
<div>Location</div>
<div>London, United Kingdom</div>
<div>Business Area</div>
<div>Product &amp; Engineering</div>
<div>Employment Type</div>
<div>Full time</div>
</div>
</div></div></div></div><div><div><div><div><h2 class="jobSectionHeader"><b>Benefits</b></h2>
</div><div><ul><li><h3 class="jobSectionHeader"><b>Holiday</b></h3>
<p>30 days&rsquo; annual leave per annum with a holiday purchase scheme (for permanent or fixed-term contract employees based in the UK).</p>
</li><li><h3 class="jobSectionHeader"><b>People policies</b></h3>
<p>We have enhanced maternity, paternity, adoption and shared parental leave policies in place. We also support our employees with IVF, menopause, baby loss and trans equality policies.</p>
</li><li><h3 class="jobSectionHeader"><b>Learn hub</b></h3>
<p>We invest in the growth and development of our colleagues. Our offering includes programmes, workshops, online resources and specialist training. There are dedicated areas for different departments giving you the resources you need, whatever your role.</p>
</li><li><h3 class="jobSectionHeader"><b>Healthcare</b></h3>
<p>We offer private healthcare for you and your family, as well as dental insurance.</p>
</li><li><h3 class="jobSectionHeader"><b>Pension</b></h3>
<p>Our pension scheme is generous; if you contribute 5%, we will contribute 8-12% (depending on your age). You are also entitled to life cover and income protection.</p></li></ul></div></div></div></div></div>

Senior Android Developer

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