software developer

Mo-Sys Engineering Ltd

Mo-Sys is an award-winning, world-renowned manufacturer of virtual production solutions and camera robotics for film, HETV and broadcast, empowering high-quality AR, VR and virtual production. We are searching for an experienced Embedded Developer.This is an exciting opportunity to drive ongoing development in a truly cutting-edge environment. You will be paving the way for future innovation as part of small, Agile team of embedded specialists. You will be passionately dedicated to the development of smart and inspired technology. This technology is rapidly changing the future of camera tracking, robotic control and film production.Responsibilities<ul><li>Cross team collaboration, predominantly within electronics, mechanical design &amp; software departments.</li><li>Participating in daily Scrum stand-ups.</li><li>Conducting sprint planning &amp; review, priority management &amp; Agile retrospectives.</li><li>Creation of firmware for new and existing products, writing efficient, high-quality, maintainable code and conducting code review.</li><li>Driving product development from concept &amp; deployment to future maintenance.</li><li>Collaborating internally and externally, to facilitate efficient project delivery.</li></ul>Requirements<ul><li>Hands-on experience in Embedded / Firmware (C and C++).</li><li>Degree in Computer Science, Software Engineering, or similar.</li><li>Embedded system architecture design, implementation &amp; maintenance.</li><li>Solution finding using advanced robotic systems and working on complex projects.</li><li>Network Interface - SPI, I2C, USB, UART, RS232, RS485, Ethernet CAN-bus.</li><li>Understanding of electronic PCB.</li><li>Proven track record of delivering high-quality products.</li><li>Real-time operating systems (RTOS) &amp; ARM Cortex-M microcontrollers.</li><li>MBED &amp; STM32 Microcontroller experience desirable.</li><li>Interest in low level Motor Control / PID desirable.</li></ul>Skills &amp; Competencies<ul><li>Eagerness to continually learn and improve.</li><li>Able to clearly articulate ideas and engage in open-minded discussions, fostering transparency and a culture of collaboration.</li><li>Can explain technical concepts in a way that is easily understood by non-technical individuals.</li><li>You think outside the box and are excellent at finding solutions to complex problems.</li><li>A strong focus on quality and adherence to best practice, delivering robust and reliable solutions.</li><li>Ability to effectively prioritise tasks and manage demanding workloads proficiently.</li><li>Demonstrate resilience in the face of constantly evolving business priorities.</li><li>Ability to work autonomously and proactively, often managing your own workload.</li><li>Meticulous attention to detail.</li></ul>Benefits &amp; Perks<ul><li>Casual office environment.</li><li>While we request some flexibility from you, we&rsquo;re also open to flexible work hours to accommodate a win-win situation for all.</li><li>We have a continuous development budget to put towards courses, training and conferences.</li><li>Private health insurance with AXA Health that covers many physical and mental health costs, including dental and vision cash back.</li><li>Gym membership discounts via AXA Health.</li><li>Group life insurance and a 24/7 Employee Assistance Program (EAP).</li><li>Cycle to Work scheme &ndash; we&rsquo;ll buy a bike up-front, and you can pay it off over the next 12 months via a salary sacrifice scheme.</li><li>We organise occasional in-person office socials to make sure you have the opportunity to build on deeper trusting connections with peers.</li><li>33 days base holiday (25 days + 8 bank holidays) including company closure between Christmas and NY.</li></ul>Interview ProcessInterviews at Mo-Sys are quite informal and conversational, generally carried out over a three stage process. To help us learn more about your workplace behaviours and preferences, you will also be invited to complete a short Predictive Index (PI) Behavioural and Cognitive Assessment. Depending on the position, you may also be required to undertake a technical assessment. The final stage normally involves meeting with senior members of the management team in our office in North Greenwich, London.About Mo-SysWe ship to broadcasters in 40+ countries to a customer base including BBC, Netflix, Fox, CNN, ESPN and Sky. Mo-Sys remote heads and robotics are used on many Hollywood blockbusters including Life of Pi, Birdman, Shape of Water, Tron, Source Code and Adjustment Bureau. We have also delivered boundary-pushing technology projects in close collaboration with clients like Red Bull Air Race and the film Gravity.We pride ourselves on having endless creativity, a &ldquo;can do&rdquo; attitude and a friendly family feel to the company. We&rsquo;re looking for people who make all the difference in nurturing an inclusive, down-to-earth culture. We embrace fresh ideas, encourage innovation and value openness. We believe that great ideas come from anywhere and encourage our teams to work together across positions, departments, and geographical locations. We want people to love their work and show respect to all.Pay: &pound;50,000.00-&pound;60,000.00 per yearBenefits:<ul><li>Additional leave</li><li>Bereavement leave</li><li>Casual dress</li><li>Cycle to work scheme</li><li>Enhanced maternity leave</li><li>Enhanced paternity leave</li><li>Health &amp; wellbeing programme</li><li>Life insurance</li><li>On-site parking</li><li>Private dental insurance</li><li>Private medical insurance</li><li>Sick pay</li></ul>Experience:<ul><li>Embedded software: 1 year (required)</li></ul>Work authorisation:<ul><li>United Kingdom (required)</li></ul>Work Location: In person

Embedded Software Developer

Arch Capital Group Ltd.

<div>With a company culture rooted in collaboration, expertise and innovation, we aim to promote progress and inspire our clients, employees, investors and communities to achieve their greatest potential. Our work is the catalyst that helps others achieve their goals. In short, We Enable Possibility℠.
Technical Guidance:<ul><li>
Provide technical guidance and leadership in the design and development of software applications using C#.</li><li>
Ensure the application of best practices in coding, testing, and maintenance.</li><li>
Stay updated with the latest developments in C# and related technologies.</li></ul>
Software Development:<ul><li>
Design, code, test, debug, and document complex applications and systems.</li><li>
Optimize and refactor existing code to improve performance and maintainability.</li><li>
Collaborate with other team members to integrate systems and solutions.</li></ul> 
Skills 
Comprehensive understanding of:<ul><li>
C#</li><li>
TDD, BDD, DDD</li><li>
Able to confidently discuss the various architectural patterns with a good understanding of trade-offs</li><li>
Experience with SQL and NoSQL DBMS</li><li>
Modern source control system (for example GitHub)</li><li>
Experience with a cloud platform (Azure/AWS)</li><li>
Event Sourcing (desirable)</li><li>
Experience with an AI platform (OpenAI), (desirable)</li></ul>
Do you like solving complex business problems, working with talented colleagues and have an innovative mindset? Arch may be a great fit for you. If this job isn&rsquo;t the right fit but you&rsquo;re interested in working for Arch, create a job alert! Simply create an account and opt in to receive emails when we have job openings that meet your criteria. Join our talent community to share your preferences directly with Arch&rsquo;s Talent Acquisition team.
14101 Arch Europe Insurance Services Ltd</div>

Lead Software Developer

<div><ul><li>Location: London 1-2 days a week.</li>
<li>Department: Engineering</li>
<li>Employment Type: Contract</li>
<li>Contract Length: 6 months (with potential for extension)</li>
</ul><h3 class="jobSectionHeader">About YLD:</h3>

Our goal is to help our clients keep moving forward. We work with them to build the skills and capabilities they need to stay ahead of the competition, and we know our success only happens when they succeed. We're a team of curious, talented people, and we're committed to making YLD a place where great people want to work, grow, and stay.

We're a remote-first consultancy specialising in software engineering, product design, and data. Our teams are based across London, Lisbon, and Porto, and we create digital solutions that continue to deliver value long after our work is done.
<h3 class="jobSectionHeader">
About the role:</h3>

As a Senior Software Engineer at YLD, you'll be part of a client team building innovative products. We're looking for someone curious, passionate, driven, and enthusiastic. You should be skilled in problem-solving and experienced in designing scalable, resilient, and fault-tolerant architectures. You're also an effective communicator and a strong team player. Together with your team, you'll thrive in a fast-paced engineering environment, delivering outstanding results and exciting projects.
<h3 class="jobSectionHeader">
Preferred Skills:</h3>
<ul><li>Strong backend engineering experience, with Go as a primary or preferred language;</li>
<li>Comfortable working in cloud environments such as AWS, Azure, or Google Cloud;</li>
<li>Experience building and maintaining APIs and backend services, including SaaS platforms;</li>
<li>Familiarity with modern infrastructure and distributed systems;</li>
<li>Solid understanding of modern deployment practices, including Docker, containers, and Kubernetes;</li>
<li>Strong background in testing strategies, including TDD, across the full system lifecycle, with a focus on performance optimization;</li>
<li>Use AI tools to augment your work, applying sound judgement to adopt emerging technologies where they genuinely add value and increase your impact as an engineer.</li>
</ul><h3 class="jobSectionHeader">You should apply if you are:</h3>
<ul><li>Self-motivated, proactive and always looking for ways to improve and develop yourself;</li>
<li>A good communicator, both in writing and verbally. You'll be able to explain technical ideas and concepts in business-friendly language;</li>
<li>Detail-oriented;</li>
<li>Possess strong problem-solving skills that balance innovation with pragmatic technology choices to solve business needs;</li>
<li>Used to working in a team-oriented, collaborative environment;</li>
<li>Analytical and problem-solving-oriented;</li>
<li>A genuine believer in diversity and fairness.</li>
</ul><h3 class="jobSectionHeader">What you'll get in return:</h3>
<ul><li>The chance to work with a forward-thinking, ethical, and fun group of people and to develop and grow your skills in a fast-moving business</li>
</ul><h3 class="jobSectionHeader">Our typical recruitment process:</h3>
<ul><li>1st Interview with a Talent Partner (30/45 mins)</li>
<li>Technical Interview with our Senior Developers (1h30)</li>
<li>Final chat with our Client Partner (30/45 mins)</li>
</ul>
Get a glimpse of what it's like working at YLD!

Check out our LinkedIn page
<h3 class="jobSectionHeader">
We live and breathe our values, and know you will too:</h3>
<ul><li>Growing every day</li>
<li>Including everyone</li>
<li>Relationships built on honesty and ethics</li>
<li>Inspiring solutions</li>
<li>Winning together</li>
</ul>
We're an equal-opportunity employer and value diversity in all its forms. We do not discriminate based on race, religion, colour, national origin, gender, sexual orientation, pregnancy or maternity, age, marital status, or disability. We also offer a remote-first working environment, with flexible working and work&ndash;life balance as standard for all employees.</div>

Software Go Developer

<div>Are you passionate about driving quality through code? DVT is on the lookout for a highly skilled API-focused Developer in Test with deep expertise in contract testing, mobile automation, and unit testing best practices. This role is ideal for someone who thrives in coaching environments, champions shift-left testing, and can influence development teams to adopt robust testing strategies across the stack.<h4 class="jobSectionHeader"> 
Key Responsibilities</h4><ul><li>
Lead the creation, review, and optimisation of unit, component, and contract tests for APIs and mobile applications.</li><li>
Coach and mentor developers on test design, risk-based testing, and test strategy, with clear articulation of the distinctions between test types.</li><li>
Evaluate test coverage and placement based on risk, code complexity, stability, and historical defects.</li><li>
Drive shift-left testing practices and embed quality early in the development lifecycle.</li><li>
Champion mobile testing using tools like Espresso (Android) and XCUITest (iOS), both at UI and service levels.</li><li>
Build and maintain scalable test automation frameworks for mobile and API layers.</li><li>
Influence and track improvements in test coverage and automation maturity across teams.</li></ul><h4 class="jobSectionHeader">
Tech Stack</h4><ul><li>
Languages &amp; Frameworks: Java, React, Vert.x (primary), Spring Boot (secondary)</li><li>
Mobile Testing: Espresso, XCUITest</li><li>
Contract Testing: Pact, PactFlow, OpenAPI Spec</li><li>
CI/CD &amp; DevOps: GitLab, Jenkins, YAML, Docker, Kubernetes (k9s), AWS EKS</li><li>
Monitoring &amp; Reporting: Grafana, SonarCloud</li><li>
Test Management: Qmetry, Xray, JIRA</li><li>
Nice to have: Kubernetes (k8s), AWS EKS</li></ul><h4 class="jobSectionHeader">
Must-Have Experience</h4><ul><li>
Mobile API testing expertise with a mobile-first testing approach</li><li>
Test architecture design</li><li>
Proven experience implementing the test pyramid and shift-left strategies.</li><li>
Strong background in unit and component testing using JUnit/NUnit.</li><li>
Hands-on experience with contract testing for mobile APIs using Pact/PactFlow or OpenAPI Spec.</li><li>
Skilled in configuring SonarCloud for optimal test scanning.</li><li>
Solid understanding of QA principles, with the ability to explain and apply them across test levels.</li><li>
Experience with GitLab, YAML scripting, and Jenkins pipeline creation.</li><li>
UI automation framework development for Android and iOS.</li><li>
Familiarity with accessibility testing and relevant plugins.</li><li>
RESTful service testing using Rest Assured, Postman, and similar tools.</li><li>
Comfortable working in complex data environments.</li></ul><h4 class="jobSectionHeader">
Nice to Have</h4><ul><li>
Experience in the airline domain.</li><li>
Exposure to React testing using React Testing Library (re3/re4).</li><li>
Experience with Playwright for end-to-end testing.</li><li>
AWS cloud services knowledge.</li></ul></div>

Senior Software Developer in Test (Senior SDET)

COMMONWEALTH SECRETARIAT

<div>The Commonwealth Secretariat is seeking to appoint two Software Architect &ndash; Developers within the Debt Management Unit (DMU), part of the Economic Development, Trade and Investment Directorate (EDTI). EDTI works closely with Commonwealth member countries to strengthen economic resilience through trade and investment policy, digital connectivity, investment facilitation, and wider economic and sustainable development priorities. Its work includes technical assistance, advisory support, knowledge exchange and capacity building, delivered through in-house expertise and strategic partnerships.
The DMU delivers the Secretariat&rsquo;s debt management programme, providing member countries with an integrated package of support covering policy advice, capacity building and debt management systems. This includes strengthening institutional and legal frameworks, supporting the development and implementation of debt management strategies, and contributing to market development.
Through the Commonwealth Secretariat Debt Recording and Management System, Commonwealth Meridian, the Secretariat supports client countries to manage public debt effectively at central and state government levels, covering back, middle and front office functions. Commonwealth Meridian is currently deployed in more than 40 countries.
Reporting to the Adviser and Head &ndash; Debt Management Unit through the Adviser &amp; Team Leader (IT Systems), and working closely with business analysts, economists, debt specialists and IT professionals, the Software Architect &ndash; Developer will support the development and maintenance of Commonwealth Meridian. The role will contribute to the delivery of a high-quality product that responds to user needs, supports secure and effective software development, and provides technical support to clients when required.
Key responsibilities include:<ul><li>
Supporting and enhancing the ASP.NET MVC 4 web application.</li><li>
Developing and coding assigned modules or feature sets of the software.</li><li>
Participating in peer reviews of source code and other software artefacts.</li><li>
Carrying out unit testing and integration testing of new features or modifications to the software.</li><li>
Designing, developing and implementing secure solutions to protect Commonwealth Meridian against cyber threats, including compliance with relevant security frameworks and vulnerability assessments.</li><li>
Identifying and resolving bottlenecks, fixing bugs, and implementing new features.</li><li>
Contributing to the analysis of user needs and the development of technical specifications and software component designs.</li><li>
Supporting user queries when required, including helping to prioritise, diagnose and resolve support issues.</li></ul>
To be considered for this role, you will need a Master&rsquo;s and/or Bachelor&rsquo;s degree in Computer Science or a related software development discipline, with a substantial component relevant to computing. You will also need at least five years&rsquo; financial or business software development experience, including strong experience with Azure DevOps, version control systems and cloud technology. Experience using web-based application development using Microsoft .NET Framework, C#.NET and ASP.NET and familiarity with the Visual Studio development environment is also required.
A postgraduate qualification or professional certification in software architecture, cybersecurity or a related field would be an advantage. Exposure to Scrum and Agile software development processes, knowledge of financial management systems, and experience with public debt management systems or international financial institution environments would also be desirable.
The Commonwealth is a voluntary association of 56 member governments and provides guidance on policymaking, technical assistance and advisory services to Commonwealth member countries. We support governments to help achieve sustainable, inclusive and equitable development.
Please apply by submitting a CV and cover letter. Covering letters should be structured to address the key criteria required in the person specification, giving clear examples.
To join us, you must be a citizen of a Commonwealth country.
The Commonwealth is a voluntary association of 56 independent and equal countries.
It is home to 2.5 billion people, and includes both advanced economies and developing countries. 33 of our members are small states, including many island nations.
Our member governments have agreed to shared goals like development, democracy and peace. Our values and principles are expressed in the Commonwealth Charter.
The Commonwealth's roots go back to the British Empire. But today any country can join the modern Commonwealth. The last two countries to join the Commonwealth were Gabon and Togo in 2022.</div>

Software Architect – Developer (x2 posts)

Client Server

<div>
 
 
 
 Software Engineer / Developer (Python SQL) London to &pound;150k+
 
 
 
 
 
 
 
 Are you a data savvy Software Engineer with strong Python coding skills?
 
 
 
 
 
 You could be joining a Hedge Fund with complex work and substantial bonus earning potential.
 
 
 
 
 
 As a Software Engineer you will join a growing team building a modern medallion architecture data platform, working across everything from data engineering and distributed systems to infrastructure and frontend. This is a hands-on role in a small, collaborative team where you'll have real ownership and impact.
 
 
 
 
 
 
 Your role:
 
 
 <ul>
 <li>
 Design and build data platform components using Python
 </li>
 <li>
 Develop and optimise ETL pipelines, Data Lakes/ Lakehouses and distributed systems
 </li>
 <li>
 Improve infrastructure, observability and CI/CD practices
 </li>
 <li>
 Maintain and evolve existing systems (microservices, ETL, Excel add-ins)
 </li>
 <li>
 Support platform operations, ensuring reliability and performance
 </li>
 </ul>
 
 
 
 
 
 Location / WFH:
 
 
 
 You'll join colleagues in the impressive Central London office on a fulltime basis, Monday to Friday.
 
 
 
 
 
 
 About you:
 
 
 <ul>
 <li>
 You have strong backend development experience with Python
 </li>
 <li>
 You have experience of working with financial or market data
 </li>
 <li>
 You have experience of designing and operating data-intensive and distributed systems
 </li>
 <li>
 You have a strong knowledge of databases (Relational, NoSQL and Columnar)
 </li>
 <li>
 You're keen to take ownership and work across the full development lifecycle
 </li>
 <li>
 You're collaborative and pragmatic with strong stakeholder management skills
 </li>
 <li>
 You have achieved a 2.1 or above in a STEM discipline, likely to have studied to MSc
 </li>
 </ul>
 
 
 
 
 
 What's in it for you:
 
 
 
 As a Software Engineer / Developer (Python SQL) you will receive a competitive package:
 
 <ul>
 <li>
 Salary to &pound;150k
 </li>
 <li>
 Bonus
 </li>
 <li>
 Pension
 </li>
 <li>
 Self development and career progression opportunities
 </li>
 </ul>
 
 
 
 
 
 Apply now
 
 to find out more about this Software Engineer / Developer (Python SQL) opportunity.
 
</div>

Software Engineer Python SQL - Market Data

Pure Human Resources

<div>Senior Full Stack Developer<div>
England (Remote)
 
Full time, permanent
 
Salary: &pound;55,000 &ndash; &pound;70,000 (DOE)
 
Competitive benefits package</div><div>
Building technology that makes a real difference in healthcare</div><div>
Our client, Holmusk, is a global health technology company transforming behavioural health and chronic disease care through data, digital innovation and evidence-driven medicine.</div><div>
Following continued growth, they are seeking an experienced Senior Full Stack Developer to join their UK team and play a key role in the development of healthcare applications used within Mental Health Trusts across the UK.</div><div>
This is an opportunity to combine technical excellence with meaningful impact, helping to build secure, scalable and compliant software that supports frontline healthcare professionals.</div><div>
Senior Full Stack Developer, the role:</div><div><ul><li>Design, develop and maintain scalable full stack applications using C#/.NET and React
</li><li>Build responsive, high-performance user interfaces using modern JavaScript, HTML and CSS
</li><li>Contribute to architecture decisions, ensuring scalability, maintainability and security
</li><li>Develop and maintain automated testing frameworks across unit, integration and end-to-end testing
</li><li>Drive engineering best practice through code reviews and quality standards
</li><li>Work within a regulated software environment with a strong focus on quality and compliance
</li><li>Collaborate closely with a small, highly skilled development team
</li><li>Support CI/CD pipelines and cloud-based deployment processes
</li><li>Troubleshoot, optimise and improve performance across applications and services
</li><li>Contribute to documentation, traceability and technical governance requirements
</li><li>Support future growth of the engineering team through mentoring and knowledge sharing</li></ul></div><div>
Senior Full Stack Developer, the person:</div><div><ul><li>Strong commercial experience with C# /.NET Core /.NET 6+
</li><li>Strong React.js and modern JavaScript development experience
</li><li>Solid understanding of REST APIs, microservices and distributed systems
</li><li>Experience with design patterns and frameworks such as Entity Framework, MVC, MVVM or CQRS
</li><li>Proven experience implementing automated testing and quality assurance practices
</li><li>Experience with Azure cloud environments
</li><li>Strong knowledge of Git, CI/CD pipelines and DevOps principles
</li><li>Experience working with MS SQL and relational databases
</li><li>Understanding of secure coding principles and data protection requirements
</li><li>Experience using AI tools to improve development efficiency</li></ul></div><div>
Senior Full Stack Developer, the benefits:</div><div><ul><li>Opportunity to shape the development of a software solution that directly supports mental health service delivery
</li><li>Fully remote working
</li><li>Collaborative, flexible and supportive working culture
</li><li>Exposure to innovative healthcare technology at scale
</li><li>Opportunity to work with modern cloud, AI and digital health solutions
</li><li>Generous holiday allowance plus additional company days for national holidays
</li><li>Annual performance-based company bonus
</li><li>Ongoing professional development and career growth opportunities</li></ul></div><div>
Pure Human Resources Limited works in partnership with Holmusk in providing Recruitment support. No applications from agencies please.</div></div>

Senior Full Stack Developer

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