software engineer backend

NatWest Group

<div><p>Closing date for applications: 03/07/2026</p>
<div>
<div><p>Location London, United Kingdom</p>
</div><div><p>Salary &pound;75,520 &ndash; &pound;113,280</p>
</div><div><p>Job typePermanent | Contract typeFull Time</p>
</div><div><div><p>Remote / On-site Hybrid</p>
<p></p><div><div><p>You&rsquo;ll spend some of your time at home, working with your team digitally. You&rsquo;ll also regularly work at your office or hub to collaborate with your colleagues.</p>
</div></div></div></div><div><div><p>Managerial / Technical Lead</p>
<p></p><div><div><p>This is a general indication and doesn&rsquo;t always reflect day-to-day responsibilities. Check the job description for full details.</p>
</div></div></div></div></div><p>#R-00278291</p><br>
<div></div>
<p></p><div>
</div><div><div><div><h2 class="jobSectionHeader"><b>Join our digital revolution in NatWest Digital X</b></h2>
<p>In everything we do, we work to one aim. To make digital experiences which are effortless and secure.</p>
<p>So we organise ourselves around three principles: engineer, protect, and operate. We engineer simple solutions, we protect our customers, and we operate smarter.</p>
</div></div><div></div><div><h2 class="jobSectionHeader"><b>Job description</b></h2>
<p>This role is based in the United Kingdom and as such all normal working days must be carried out in the United Kingdom.</p>
<p></p><div><p>Join us as a Software Engineer, Backend</p>
<p></p><ul><li>This is an opportunity for a technically minded individual to join us as a Software Engineer</li>
<li>You&rsquo;ll be designing, producing, testing and implementing working software, working across the lifecycle of the system</li>
<li>Hone your existing software engineering skills and advance your career in this critical role</li>
</ul><p></p><h2 class="jobSectionHeader"><b>What you'll do</b></h2>
<p></p><p>Working in a permanent feature team, you&rsquo;ll be developing knowledge of aspects of the associated platform across the disciplines of business, applications, data and infrastructure. You&rsquo;ll also be liaising with principal engineers, architects in the domain and other key stakeholders to understand how the platform works and how it supports business objectives.</p>
<p></p><p>You&rsquo;ll also be:</p>
<p></p><ul><li>Applying Agile methods to the development of software on the backlog</li>
<li>Producing resilient and long-lived software and acting flexibly to cope with future needs</li>
<li>Delivering intentional architecture and formulating emergent design through innovative ideas, experimentation and prototyping</li>
<li>Designing and developing software with a focus on the automation of build, test and deployment activities, using executable patterns</li>
</ul><p></p><h2 class="jobSectionHeader"><b>The skills you'll need</b></h2>
<p></p><p>We&rsquo;re looking for someone to join our high performance engineering team building our new real time banking platform. You&rsquo;ll bring strong experience of working with Continuous Deployment practices in production environments.</p>
<p>You&rsquo;ll have experience building and operating cloud native services using technologies such as Spring Boot, with automation as a core engineering principle.</p>
<p></p><p>You&rsquo;ll be comfortable designing and delivering robust, scalable and resilient distributed systems, with a strong focus on reliability, observability and operational excellence. Exposure to agentic coding practices where it adds value, would be hugely beneficial</p>
<p></p><p>You'll also need:</p>
<p></p><ul><li>Strong experience building robust, resilient and defensively coded distributed systems, ideally leveraging technologies such as Kafka and an understanding of designing and operating RESTful APIs at scale, including versioning, observability, monitoring, and forward, backward compatibility</li>
<li>Experience with event driven architectures, both orchestrated and choreographed is expected</li>
<li>Experience working effectively in teams that value autonomy and empowerment, where engineering excellence is aligned to product outcomes</li>
<li>Strong experience operating in distributed, cloud native environments with complex failure modes, requiring thoughtful approaches to system design and assurance</li>
<li>Proven ability to coach and mentor other engineers, supporting the growth and capability of the wider team</li>
</ul></div><div>
</div></div></div><div><div><div><div><h2 class="jobSectionHeader"><b>Your benefits breakdown</b></h2>
<p>Here&rsquo;s a quick look at what your pay package and annual leave could look like if you get accepted for the role. We have a wide range of benefits to support you in your working life and beyond.</p>
<p>Please note, the presented benefits packages are based on the minimum base salary.</p>
<p>Tap each segment for details.</p>
</div><div><h3 class="jobSectionHeader"><b>Your pay package</b></h3>
<div><div><p>&pound;</p>
</div></div></div><p></p><div><div><h3 class="jobSectionHeader"><b>Your leave allowance</b></h3>
<div><p>30 days Annual leave You&rsquo;ll also have the opportunity to purchase up to 5 additional days off.</p> <p>3 days Volunteering Take time off to support the causes you&rsquo;re passionate about.</p> <p>3 days Training Take time to build the skills you need to grow your career.</p>
</div></div></div></div><div><div><div><h3 class="jobSectionHeader"><b>Total rewards package</b></h3><br>
<p></p>
</div><div>
</div></div></div></div></div><div><div><div><div><div><div><h2 class="jobSectionHeader"><b>Welcome to our Bishopsgate hub</b></h2>
<p>Based only a few minutes&rsquo; walk from Liverpool Street Station, the central location of this office makes working there incredibly convenient. Everything you need is close by, so you can run errands, go to the gym, and socialise with friends and colleagues before and after work.</p>
<p>Bishopsgate recently underwent a multi-year refurbishment programme to improve spaces and facilities as well as become more sustainable.</p>
</div></div></div></div></div></div><p></p><div><div><div><div><h3 class="jobSectionHeader"><b>Our tech stack</b></h3>
<p>Here&rsquo;s just some of the technologies we use.</p>
</div><div><h3 class="jobSectionHeader"><b>Front end</b></h3>
<div><ul><li>JavaScript</li>
<li>ReactJS</li>
<li>AngularJS</li>
</ul></div></div><div><h3 class="jobSectionHeader"><b>Back end</b></h3>
<div><ul><li>Python</li>
<li>Java</li>
<li>Microsoft Dynamics</li>
</ul></div></div><div><h3 class="jobSectionHeader"><b>DevOps</b></h3>
<div><ul><li>AWS</li>
<li>GitLab</li>
<li>Google Cloud Platform</li>
</ul></div></div><div><h3 class="jobSectionHeader"><b>Data</b></h3>
<div><ul><li>Kafka</li>
<li>Hadoop</li>
<li>PostgreSQL</li>
<li>Snowflake</li></ul></div></div></div></div></div></div>

Software Engineer, Backend

Databricks

<div>
 P-1317
 <br/>
 <br/>
 At Databricks, we are passionate about enabling data teams to solve the world's toughest problems &mdash; from making the next mode of transportation a reality to accelerating the development of medical breakthroughs. We do this by building and running the world's best data and AI infrastructure platform so our customers can use deep data insights to improve their business. Founded by engineers &mdash; and customer obsessed &mdash; we leap at every opportunity to solve technical challenges, from designing next-gen UI/UX for interfacing with data to scaling our services and infrastructure across millions of virtual machines. And we're only getting started.
 <br/>
 <br/>
 As a software engineer with a backend focus, you will work with your team to build infrastructure and products for the Databricks platform at scale.
 <br/>
 <br/>
 <strong>
  The Impact You'll Have
  <br/>
  <br/>
 </strong>
 Our backend teams span many domains across our essential service platforms. For instance, you might work on challenges such as:
 <br/>
 <br/>
 <ul>
  <li>
   Problems that span from product to infrastructure including: distributed systems, at-scale service architecture and monitoring, workflow orchestration, and developer experience.
  </li>
  <li>
   Deliver reliable and high performance services and client libraries for storing and accessing humongous amount of data on cloud storage backends, e.g., AWS S3, Azure Blob Store.
  </li>
  <li>
   Build reliable, scalable services, e.g. Scala, Kubernetes, and data pipelines, e.g. Spark, Databricks, to power the pricing infrastructure that serves millions of cluster-hours per day and develop product features that empower customers to easily view and control platform usage.
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  What We Look For
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   BS (or higher) in Computer Science, or a related field
  </li>
  <li>
   2+ years of production level experience in one of: Java, Scala, C++, or similar language.
  </li>
  <li>
   Experience developing large-scale distributed systems.
  </li>
  <li>
   Experience working on a SaaS platform or with Service-Oriented Architectures.
  </li>
  <li>
   Good knowledge of SQL.
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  About Databricks
  <br/>
  <br/>
 </strong>
 Databricks is the data and AI company. More than 10,000 organizations worldwide &mdash; including Comcast, Cond&eacute; Nast, Grammarly, and over 50% of the Fortune 500 &mdash; rely on the Databricks Data Intelligence Platform to unify and democratize data, analytics and AI. Databricks is headquartered in San Francisco, with offices around the globe and was founded by the original creators of Lakehouse, Apache Spark&trade;, Delta Lake and MLflow. To learn more, follow Databricks on Twitter, LinkedIn and Facebook.
 <br/>
 <br/>
 <strong>
  Benefits
  <br/>
  <br/>
 </strong>
 At Databricks, we strive to provide comprehensive benefits and perks that meet the needs of all of our employees. For specific details on the benefits offered in your region click here.
 <br/>
 <br/>
 <strong>
  Our Commitment to Diversity and Inclusion
  <br/>
  <br/>
 </strong>
 At Databricks, we are committed to fostering a diverse and inclusive culture where everyone can excel. We take great care to ensure that our hiring practices are inclusive and meet equal employment opportunity standards. Individuals looking for employment at Databricks are considered without regard to age, color, disability, ethnicity, family or marital status, gender identity or expression, language, national origin, physical and mental ability, political affiliation, race, religion, sexual orientation, socio-economic status, veteran status, and other protected characteristics.
 <br/>
 <br/>
 <strong>
  Compliance
  <br/>
  <br/>
 </strong>
 <strong>
  If access to export-controlled technology or source code is required for performance of job duties, it is within Employer's discretion whether to apply for a U.S. government license for such positions, and Employer may decline to proceed with an applicant on this basis alone.
 </strong>
</div>


Software Engineer - Backend

Duffel

<div>
 <strong>
  Software Engineer
 </strong>
 London | Full-time | Hybrid | Shoreditch/Liverpool Street
 <br/>
 <br/>
 <strong>
  Create the Future of Travel With Us
  <br/>
  <br/>
 </strong>
 Whether it's visiting the people closest to us, starting an exciting adventure, or a career-defining business trip, travel is essential. Yet we've all experienced the aches and pains of getting to our destination.
 <br/>
 <br/>
 More than 4 billion airline passengers rely on technology that hasn't kept up with modern expectations. That's why we're rebuilding the infrastructure that underpins the travel industry - simplifying systems and building tools that will make the future of travel effortless.
 <br/>
 <br/>
 We were part of Y Combinator S18's cohort and we're backed by Benchmark, Blossom, Index Ventures, and Kima Ventures - a fantastic set of investors that has helped build some of the world's largest companies.
 <br/>
 <br/>
 Our London team is growing, and we're looking for talented people to join us on our journey.
 <br/>
 <br/>
 <strong>
  Engineering at Duffel
  <br/>
  <br/>
 </strong>
 We're building tools to simplify travel distribution, search, and booking through one seamless API. The technical challenge? Design a beautiful API, then integrate it with hundreds of travel providers - each with different systems and requirements - whilst delivering a fantastic developer experience.
 <br/>
 <br/>
 We work with Elixir, Phoenix, Kubernetes, and Google Cloud Platform, but we value strong engineering fundamentals over specific tech experience.
 <br/>
 <br/>
 <strong>
  You'll Thrive Here If
  <br/>
  <br/>
 </strong>
 ✅ You're passionate about designing beautiful APIs and creating great developer experiences
 <br/>
 <br/>
 ✅ You have a high bar for code quality and API design
 <br/>
 <br/>
 ✅ You have opinions on good engineering standards and processes as we define ours at Duffel
 <br/>
 <br/>
 ✅ You think big picture - making tradeoffs between technical work and business impact
 <br/>
 <br/>
 ✅ You communicate clearly, articulating what you're working on and why in a structured way
 <br/>
 <br/>
 ✅ You thrive collaboratively - you believe in your methods but stay open to feedback and suggestions
 <br/>
 <br/>
 <strong>
  Bonus:
 </strong>
 Experience in travel, flights, hotels, or cars
 <br/>
 <br/>
 <strong>
  What You'll Get
  <br/>
  <br/>
 </strong>
 💰 Competitive salary + equity (you'll own part of Duffel)
 <br/>
 <br/>
 🏝️ Work from anywhere policy
 <br/>
 <br/>
 🛩️ Duffel travel allowance (use what we build)
 <br/>
 <br/>
 🍼 Matched parental leave
 <br/>
 <br/>
 🧘&zwj;&male;️ Sabbatical programme (3 months full pay)
 <br/>
 <br/>
 🌎 Visa sponsorship available
 <br/>
 <br/>
 🪩 Office in Shoreditch + regular team socials
 <br/>
 <br/>
 <strong>
  Why Now Matters
  <br/>
  <br/>
 </strong>
 You'll work on the core API powering millions of travel bookings. Early-stage role = outsized impact on how we build and scale.
</div>


Software Engineer (Backend)

Zapp

<div><p><b>Principal Software Engineer, Backend</b></p><p>
Nine Elms, London. Full time (4 Days Onsite)</p><p>
You'll need the right to work in the UK and be based in London. We are not able to offer visa sponsorship for this role.</p><p><b>
About Zapp</b></p><p>
We deliver the essentials in minutes, 24/7, from our own network of stores. Every order is a real-time race against the clock, and the systems that win it are the backend you would own.</p><p>
Quick commerce is a genuinely hard backend problem. Stock changes by the second, orders and riders move in real time, and we make sub-minute promises we have to keep, at high throughput with no room for downtime. Getting that right, fast and reliably, is the job.</p><p>
We're AI-first and we mean it as a way of working, not a slogan: AI-assisted development is part of the daily toolkit, we ship LLM-powered features where they genuinely earn their place, and we expect every engineer to shape how we use it.</p><p>
Backed by the world's leading investors, built by people who've scaled Amazon, Deliveroo, Tesco, Just Eat and Stuart.</p><p><b>
Our Leadership Principles</b></p><p>
These five principles describe what great looks like at Zapp. They are the single framework we use across performance reviews, growth conversations, and leadership expectations.</p><ul><li><p>
Creating Magic</p></li><li><p>
Taking Ownership</p></li><li><p>
Raising the Bar</p></li><li><p>
Winning Together</p></li><li><p>
Delivering with Speed</p></li></ul><p><b>
The role</b></p><p>
You'll be the most senior backend engineer at Zapp, owning the technical direction of the services that run the business, from ordering and inventory to logistics and the platform underneath. This is a hands-on Principal role: you set the architecture and the standard, and you're still in the code every week shipping the hardest parts yourself.</p><p>
You'll work across the whole backend rather than one corner of it, going where the hardest problem is. You'll take ownership from a rough problem all the way to production and on-call, and you'll lift the engineers around you while you do it. When the team needs a pattern set, a hard call made, or the gnarly bit untangled, that's you.</p><p><b>
What you'll do</b></p><ul><li><p>
Set the technical direction. Own the architecture of the backend across services, and make the calls on patterns, boundaries and tooling that the rest of the team builds on.</p></li><li><p>
Build the hard parts yourself. Design and ship the services, APIs and data models behind ordering, inventory and logistics, and set the standard for what good looks like.</p></li><li><p>
Raise the bar. Lift the engineers around you through design review, pairing, and the standard you set, and leave the team stronger than you found it.</p></li><li><p>
Own reliability and scale. Keep high-throughput, real-time systems fast and available, and design for the failure modes that come with sub-minute delivery.</p></li><li><p>
Own delivery end-to-end. Pick up a problem, design the solution, ship it to production, and be on the on-call rotation that stands behind it.</p></li><li><p>
Bring AI into how we build. Use AI in your daily work, share the patterns that help the team move faster, and learn from what others discover.</p></li><li><p>
Help shape AI in our product. Build the backend behind LLM-powered features, from the data and APIs to the guardrails that keep them safe in production.</p></li><li><p>
Work across the boundary. Partner with mobile, data and ops engineers on the contracts and systems that tie the product together.</p></li></ul><p><b>
You're a great fit if you</b></p><ul><li><p>
Experienced. 7+ years building backend systems in production, with real scale behind you.</p></li><li><p>
Strong in TypeScript. It's core to our backend and you're genuinely fluent, not just passing through.</p></li><li><p>
Polyglot. You've shipped production code in more than one language and reach for the right tool for the job.</p></li><li><p>
Distributed systems depth. You design services, APIs and data models that hold up under real-time, high-throughput load.</p></li><li><p>
Own the data layer. Confident with relational and non-relational stores, and clear on the trade-offs between them.</p></li><li><p>
Lead without a title. You set technical direction and bring people with you through clarity and example, not authority.</p></li><li><p>
Production minded. Reliability, observability, performance and security are things you design in from the start, not bolt on after the incident.</p></li><li><p>
Comfortable in uncertainty. You move forward when the path isn't clear, instead of waiting for someone to define it.</p></li><li><p>
Test as you build. Automated tests are how you ship code you trust.</p></li><li><p>
Pragmatic about delivery. You measure your work by what shipped and held up, not the elegance of the design doc.</p></li><li><p>
Excellent communicator. Clear in how you write and speak, and you love sharing what you learn.</p></li></ul><p>
If most of these land for you, please apply. We hire on trajectory and curiosity as much as CV.</p><p>
Even better if you know</p><ul><li><p>
GCP. We run on Google Cloud, with Cloud Run, Pub/Sub and Firestore, so familiarity helps you hit the ground running.</p></li><li><p>
NestJS. Our TypeScript services are built on it.</p></li><li><p>
GraphQL. We run a federated gateway across multiple subgraphs, so federation experience makes schema and subgraph work easier.</p></li><li><p>
Event-driven architecture. Queues, streams and async messaging at scale.</p></li><li><p>
Infrastructure as code and DevOps. You're comfortable owning the path to production, not just the code.</p></li><li><p>
Quick commerce or similar domain. Logistics, on-demand delivery, or another real-time, high-throughput consumer environment.</p></li></ul><p><b>
You won't be a great fit if you</b></p><ul><li><p>
Need a fully defined process and a large, structured team to do your best work.</p></li><li><p>
Chase architectural purity at the expense of what the business actually needs.</p></li><li><p>
Stall when the path forward isn't clear, or wait to be told what to do.</p></li><li><p>
Want to stay strictly inside one service or specialty and avoid the rest of the stack.</p></li></ul><p>
What's the interview process like?</p><p>
We aim to make our process clear, respectful of your time, and a real two-way conversation.</p><ul><li><p>
Stage 1 - Intro call (30 min). A short chat about your background and a chance for us to tell you more about Zapp, the team, and the role.</p></li><li><p>
Stage 2 - Technical interview (90 min). Live coding and a system design discussion. You'll have full access to any AI tooling you'd normally use, and we'll send you a boilerplate repository in advance so you can focus on the problem, not the setup.</p></li><li><p>
Stage 3 - Values &amp; Leadership interview (60 min). A conversation with senior leadership about how you work, what you care about, and how you align with our Leadership Principles.</p></li><li><p>
Stage 4 - Offer.</p></li></ul><p>
We will need to verify your right to work in the UK before extending an offe<b>r.</b></p><p><b>
Benefits</b></p><ul><li><p>
Generous salary &amp; equity package</p></li><li><p>
25 days holiday per year, plus all bank holidays</p></li><li><p>
Private health insurance</p></li><li><p>
Extended sick pay and enhanced maternity and paternity leave</p></li><li><p>
Cycle to work scheme</p></li><li><p>
Pension (auto-enrolment)</p></li><li><p>
Budget for learning, conferences and kit</p></li></ul></div>

Principal Software Engineer, Backend

<div>
 P-1318
 <br/>
 <br/>
 At Databricks, we are passionate about enabling data teams to solve the world's toughest problems &mdash; from making the next mode of transportation a reality to accelerating the development of medical breakthroughs. We do this by building and running the world's best data and AI infrastructure platform so our customers can use deep data insights to improve their business. Founded by engineers &mdash; and customer obsessed &mdash; we leap at every opportunity to solve technical challenges, from designing next-gen UI/UX for interfacing with data to scaling our services and infrastructure across millions of virtual machines. And we're only getting started.
 <br/>
 <br/>
 As a software engineer with a backend focus, you will work with your team to build infrastructure and products for the Databricks platform at scale.
 <br/>
 <br/>
 <strong>
  The Impact You'll Have
  <br/>
  <br/>
 </strong>
 Our backend teams span many domains across our essential service platforms. For instance, you might work on challenges such as:
 <br/>
 <br/>
 <ul>
  <li>
   Problems that span from product to infrastructure including: distributed systems, at-scale service architecture and monitoring, workflow orchestration, and developer experience.
  </li>
  <li>
   Deliver reliable and high performance services and client libraries for storing and accessing humongous amount of data on cloud storage backends, e.g., AWS S3, Azure Blob Store.
  </li>
  <li>
   Build reliable, scalable services, e.g. Scala, Kubernetes, and data pipelines, e.g. Spark, Databricks, to power the pricing infrastructure that serves millions of cluster-hours per day and develop product features that empower customers to easily view and control platform usage.
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  What We Look For
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   BS (or higher) in Computer Science, or a related field
  </li>
  <li>
   3+ years of production level experience in one of: Java, Scala, C++, or similar language.
  </li>
  <li>
   Experience developing large-scale distributed systems.
  </li>
  <li>
   Experience working on a SaaS platform or with Service-Oriented Architectures.
  </li>
  <li>
   Good knowledge of SQL.
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  About Databricks
  <br/>
  <br/>
 </strong>
 Databricks is the data and AI company. More than 10,000 organizations worldwide &mdash; including Comcast, Cond&eacute; Nast, Grammarly, and over 50% of the Fortune 500 &mdash; rely on the Databricks Data Intelligence Platform to unify and democratize data, analytics and AI. Databricks is headquartered in San Francisco, with offices around the globe and was founded by the original creators of Lakehouse, Apache Spark&trade;, Delta Lake and MLflow. To learn more, follow Databricks on Twitter, LinkedIn and Facebook.
 <br/>
 <br/>
 <strong>
  Benefits
  <br/>
  <br/>
 </strong>
 At Databricks, we strive to provide comprehensive benefits and perks that meet the needs of all of our employees. For specific details on the benefits offered in your region click here.
 <br/>
 <br/>
 <strong>
  Our Commitment to Diversity and Inclusion
  <br/>
  <br/>
 </strong>
 At Databricks, we are committed to fostering a diverse and inclusive culture where everyone can excel. We take great care to ensure that our hiring practices are inclusive and meet equal employment opportunity standards. Individuals looking for employment at Databricks are considered without regard to age, color, disability, ethnicity, family or marital status, gender identity or expression, language, national origin, physical and mental ability, political affiliation, race, religion, sexual orientation, socio-economic status, veteran status, and other protected characteristics.
 <br/>
 <br/>
 <strong>
  Compliance
  <br/>
  <br/>
 </strong>
 <strong>
  If access to export-controlled technology or source code is required for performance of job duties, it is within Employer's discretion whether to apply for a U.S. government license for such positions, and Employer may decline to proceed with an applicant on this basis alone.
 </strong>
</div>


Senior Software Engineer - Backend

4flow

<div><p><b>About 4flow</b></p><p></p><p>
4flow is a global leader in logistics optimization, with a team of over 1,500 professionals across more than 20 locations worldwide. Our unique business model integrates supply chain consulting, advanced logistics software, 4PL services, and cutting-edge logistics research to deliver innovative and end-to-end solutions.</p><p></p><p>
Our Bangalore office, located in Manyata Tech Park, is one of our newest and most dynamic hubs. Here, we are building a next-generation, AI-driven supply chain product from the ground up. Operating in a hybrid work model, this location offers a unique opportunity to join the development team at an early stage and play a key role in shaping the future of our product and technology landscape.</p><p></p><p><b>
Job description</b></p><p>
Designs, develops, and operates scalable backend software solutions that form the foundation of modern service-based architectures. Combines deep backend engineering expertise with broad cross-functional understanding across adjacent domains such as cloud infrastructure, DevOps, security, performance optimization, and product integration.</p><p>
Acts as a T-shaped engineer, bringing strong specialization in backend systems while effectively collaborating across disciplines to maximize product value. The role requires close collaboration with globally distributed teams across regions and time zones to ensure alignment, consistency, and successful delivery of shared engineering objectives.</p><p></p><p><b>
What your new challenge will look like</b></p><ul><li>
Design and develop backend solutions as part of a larger service-based system architecture, ensuring scalability, reliability, maintainability, and security.</li><li>
Take ownership of the complete backend software lifecycle, including conception, architecture design, coding, testing, deployment, monitoring, and continuous improvement.</li><li>
Apply T-shaped engineering principles by contributing beyond backend specialization, including awareness of frontend integration, DevOps processes, cloud operations, observability, and security best practices.</li><li>
Investigate, evaluate, and integrate innovative technologies and solutions that enhance architecture, developer productivity, and product capabilities.</li><li>
Automate system setup, deployment, maintenance, monitoring, and incident response processes to ensure stable and efficient backend services.</li><li>
Continuously improve technical concepts, system performance, implementation approaches, driving innovation and engineering excellence.</li><li>
Identify technical debt, architectural bottlenecks, and system inefficiencies, and proactively drive remediation initiatives.</li><li>
Establish and embed the best engineering practices, design principles, coding standards, and reusable tools within the development team.</li><li>
Collaborate closely with Product, Frontend, DevOps, QA, Security, and globally distributed engineering teams to deliver high-quality, customer-oriented software solutions.</li><li>
Participate in technical discussions with global stakeholders, contributing to architectural decisions, backend standards, and shared engineering practices across international teams.</li><li>
Participate in code reviews, provide constructive feedback, and mentor peers and junior engineers to strengthen code quality and knowledge sharing.</li></ul><p></p><p><b>
Why you belong at 4flow</b></p><ul><li>
University degree in Computer Science, Informatics, Engineering, or related technical field</li><li>
5+ years of backend development experience in distributed systems</li><li>
Deep backend expertise with broad adjacent technical knowledge (T‑shaped profile)</li><li>
Proficiency in Java and DevOps; nice to have TypeScript or Vue.js</li><li>
Experience with Spring Boot, Microservices, CI/CD, RESTful, GraphQL</li><li>
Strong understanding of software design principles, modular architecture, and API design</li><li>
Knowledge of Test‑Driven Development (TDD) is an advantage</li><li>
Ability to analyze technical trade‑offs and design scalable solutions</li><li>
Experience with Git, Gradle/Maven, IDEs, GitLab CI/CD</li><li>
Familiarity with Jira and Confluence for collaboration and documentation</li><li>
Awareness of clean code principles, maintainability, and long‑term software quality</li><li>
Very good English communication skills, written and spoken</li><li>
Working knowledge of cloud platforms (AWS), CI/CD pipelines, monitoring/logging tools</li><li>
Understanding of secure coding, authentication, and authorization</li><li>
Knowledge of frontend‑backend integration patterns</li><li>
Ability to connect backend architecture decisions with business outcomes and customer impact</li><li>
Willingness to contribute in DevOps, performance optimization, security, and test automation</li><li>
Ability to work effectively in multicultural, globally distributed teams</li><li>
Experience with SQL/NoSQL databases, Docker, Linux environments, AWS, AI/ML integration (nice to have)</li><li>
Strong motivation and passion for backend engineering with curiosity beyond specialization</li><li>
T‑shaped mindset: deep backend expertise with openness to adjacent disciplines</li><li>
Excellent analytical and systems‑thinking abilities for complex challenges</li><li>
Pragmatic decision‑making aligned to product and operational goals</li><li>
Self‑driven, adaptable, and comfortable in dynamic environments</li><li>
Strong interpersonal, communication, and collaboration skills</li><li>
Friendly, open‑minded, confident, and able to build effective relationships across cultures</li><li>
Passion for continuous learning, innovation, and improving practices</li><li>
Genuine motivation to contribute to organizational success and align with company values</li></ul><p></p><p><b>
What we offer</b></p><ul><li>
A stable role within a company rooted in strong German roots, backed by a clear vision and long-term security.</li><li>
A dynamic, international work environment with excellent opportunities for rapid career growth.</li><li>
Extensive professional development support, including a dedicated training budget and access to internal learning programs.</li><li>
A permanent position with a competitive base salary, attractive bonus structure, and comprehensive benefits package.</li><li>
Hybrid work model</li><li>
Access to an Employee Assistance Program to support your mental well-being.</li><li>
Regular sports activities, team events, and company getaways that foster connection and collaboration.</li><li>
Complimentary lunch, beverages, and coffee at all 4flow locations.</li><li>
Comprehensive health insurance coverage, including GMC, GPA, GTL, and OPD.</li></ul></div>

(Lead/Senior) Software Engineer (Backend)

RIVE

<div><p>Rive is where designers, animators, and developers build interactive experiences. Design, animate, and code in one place. What you build in the editor is what ships in your app, game, or website. No mockups, no prototypes, no handoff. The real thing. With Rive, designers and developers work with the same tools. No silos. What you see in the editor is what ships in production.</p><p>
Companies like Spotify, Duolingo, LinkedIn, Google, and Fortune 500 automakers use our open-source runtimes to build once and ship everywhere &mdash; websites, apps, games, and vehicles.</p><p>
We&rsquo;re looking for a <b>Senior Software Engineer</b> to join our team. As part of a lean, agile team, you&rsquo;ll have a high degree of autonomy, ownership and direct impact on customers, with the opportunity to help shape the architecture of Rive&rsquo;s platform as we grow. We&rsquo;re looking for someone who is passionate about the backend and brings lessons learned from scaling SaaS platforms that were used by thousands of active users.</p><p><b>
About the Backend Team</b></p><p>
The backend team builds and operates the systems behind Rive&rsquo;s cloud platform, focusing on the services and infrastructure that provide the core APIs, real-time collaboration, file storage, and background processing for the editor. We also own a few full-stack services that power the marketplace and customer-facing experiences.</p><p><b>
How we work:</b> With a high degree of autonomy and ownership, engineers are trusted to identify problems, shape solutions, and drive the technical direction of the platform. Everyone contributes to architectural decisions and has a broad impact across our stack.</p><p>
While our focus is on backend systems, there are also opportunities to influence and contribute to other parts of Rive, including the editor and the runtimes. Collaboration is core to our culture &mdash; teams across Rive work closely to design, build, and evolve our product together.</p><p>
We provide modern tooling, including a generous AI/tooling budget, and encourage thoughtful use of AI-assisted development where it improves speed, understanding, and quality</p><p>
The team is distributed between the U.K. and U.S., where we maintain a hybrid office for collaboration and deep technical work.</p><p><b>
What you&rsquo;ll work on:</b></p><ul><li>
Core APIs and services that drive the Rive editor, multiplayer collaboration, asset management, and the Rive Marketplace.</li><li>
Database architecture and optimization, designing schemas and queries that perform at scale and evolve with our product.</li><li>
Customer-facing applications for authentication, accounts, billing, and team management.</li><li>
Observability and telemetry, building insight into how our systems behave and how customers use Rive.</li></ul><ul><li>
File and asset storage systems, including object storage, CDN distribution and caching layers for fast, reliable access.</li><li>
Real-time infrastructure for live collaboration, syncing thousands of changes per second across sessions with low latency.</li><li>
Distributed background systems for rendering, asset conversion, and large-scale task orchestration.</li><li>
Scalability and reliability engineering, ensuring Rive stays fast and stable as we grow.</li><li>
Security, compliance, and permissions models that protect our customers and meet enterprise-grade standards.</li></ul><p><b>
Tech Stack includes:</b></p><p>
Node.js (TypeScript &amp; JavaScript), Dart/Flutter, C++, MySQL (Aurora), Redis, OpenSearch, AWS (Fargate, Lambda, CloudWatch), Docker, Terraform, GitHub Actions</p><p></p><b><br>
Requirements</b><p><b><br>
What you will bring:</b></p><ul><li>
8+ years of professional software engineering experience, specifically in backend and infrastructure.</li><li>
Proven track record of owning and delivering backend services for scaling SaaS-based products that are widely relied upon by active users.</li><li>
Node.js experience, or strong experience in multiple programming languages and evidence of learning new ones quickly.</li><li>
Experience with cloud infrastructure (AWS preferred), infrastructure as code, and container orchestration.</li><li>
Strong SQL skills, including hands-on experience with query analysis and optimization.</li><li>
Ability to work independently in ambiguous situations: seek out requirements, make sound decisions, and prioritize effectively.</li><li>
Excellent communication skills, with willingness to work directly with customers when needed.</li></ul><p></p><b><br>
Benefits</b><p><b><br>
What you'll get in return:</b></p><ul><li>
&pound;120k&ndash;&pound;135k or $170-195k USD base salary + stock options</li><li>
Unlimited holiday (PTO) and comprehensive health benefits</li><li>
Parental leave</li><li>
Regular team meetups and travel opportunities</li><li>
Hybrid flexible work environment with Offices in London (Farringdon) and San Francisco (Potrero Hill)</li><li>
Coffee and lunch on us when you&rsquo;re in the office</li></ul><p>
Compensation may depend on the level of experience and geographic location.</p><p></p><p>
Visa sponsorship is not available. The successful candidate will be required to provide evidence of their right to work in the U.K. or U.S. prior to commencing employment.</p><p></p><p>
At Rive, we are a global group of passionate designers and developers who believe in transparency, failing fast, quick iteration, and experimentation. We aim to build a diverse and inclusive culture where everyone feels supported.</p><p>
We have an incredible opportunity to change the world of interactive content creation. Help us accelerate the design industry's transition to Rive!</p><p></p><p>
A real human will read your resume, cover letter, and answers to the application questions so please take a minute and tell us more about you!</p><p>
Applications suspected to be entirely AI-generated may not be considered. We value genuine, thoughtful responses and authentic, human communication.</p></div><p></p>

Senior/Staff Software Engineer, Backend

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