Back end developer jobs in London

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position...

⚡️About Volter Volter is a top-tier climate VC-backed B2B energy tech platform building the products that make clean, renewable power simple...  ...As a key member of the founding engineering team, you'll own end-to-end delivery of product features across the stack, building both... 

 ...technical and non-technical colleagues to design and build product features that add value to our customers Working across the stack (back-end focus) and writing clean, well-tested code Own significant parts of our product architecture and propose and lead new improvements... 

 ...focused on Africa and the Middle East. We're looking for a full stack developer to take dedicated ownership of our frontend and API layer across...  ...senior data engineer and a small research team, owning features end-to-end - from API design to deployed UI. You won't know... 

 ...raised more than £2bn on our platform. We’re a Series A company backed by Index Ventures, on a mission to make entrepreneurship more...  .... About the Role We're seeking talented mid level backend developers to join our team. You'll play a pivotal role in individual contribution... 

 ...generation of our models headed for the UK's fastest AI supercomputer. VC-backed and supported by Google for Startups, Barclays Eagle Labs and...  ...production. Engineers are the fabric. Engineers own problems end to end: define, build, talk to users, ship. There is no layer... 

 ...outcomes through intelligent automation. Backed by leading investors and scaling rapidly ahead...  ...fast. WHAT YOU WILL DO Architect, develop and optimise scalable, secure backend...  ...understand requirements and deliver robust end-to-end solutions. Mentor team members on... 

 ...project teams as an IC, running code reviews and mentoring of junior developers, involvement in early research and experimentation with new...  ...Competitive Salary(our salary bands are benchmarked at the top end of the market) Pension (your minimum contributions are 4% with... 

________This is an example!________ PLEASE READ: these jobs are testing jobs of Lever's testing environment - please do not apply for this job. Lever was founded ten years ago to tackle the most strategic challenge that companies face: how to recruit and hire top talent...

 ...Backend Developer Relocation possible, must have EU Passwort as no sponsorhsip available. Quant Capital is urgently looking for a to...  ...This is a role for techies, those who are motivated by the sharp end of technology and the possibility of making serious money doing something... 

 ...We are a fin-tech start-up with a successful suite of products, now ready to build the next big thing. You must thrive working on open-ended problems across a range of disciplines; we are a start-up where our engineers do much more than just pick up JIRA tickets. A typical... 

 ...evokes an emotion, much less the feeling of wanting to uproot so much of your being and quit your job. You have to remember that in the end of the day, that's what you want people to do. The people you want to apply are probably being treated really well at their current job... 

Salary: £75-90k Location: UK Remote, with minimal office travel required (1-2x per month) Ready to reshape one of the world’s largest industries? nPlan has built a unique AI platform that helps some of the largest construction companies better understand their projects...

 ...entirely new network for the worlds money, and our Send Core team plays a critical role in supporting every sending transaction and developing customer-facing products. We offer a collaborative environment where engineers work closely with product, design, and data teams, and... 

 ...such as C++, Rust, or Go is highly beneficial. RESPONSIBILITIES: Build the SpaceXAI API that serves our models to developers worldwide Own the end-to-end system responsible for high-throughput inference, handling billions of tokens per minute with low latency and... 

 ...traditional finance with cutting-edge technology. Backed by a16z, we are committed to offering accessible...  ...performant and robust production-ready back-end systems & APIs that can be easily maintained and monitored. Develop complex interactions with multiple data sources,... 

 ...engineering ecosystem around backend microservice development so that developers can deliver business value faster, more safely, and with less...  ...with adjacent paved road initiatives, including front-end paved road efforts where relevant The intended user experience... 

Pelago is the world’s leading virtual clinic for Substance Use Management. Our program provides guidance, support and treatment for members seeking to overcome their tobacco, alcohol and opioid use. From unhealthy habits to active substance use disorders, Pelago delivers a ...

 ...technologies or domains Responsibilities: Design, build, and ship end-to-end features for a new product Collaborate closely with Product Managers and Designers to shape technical direction Develop and evolve scalable backend APIs and microservices Write clean,... 

Company Description A revolutionary investment platform for activists - A clean, socially responsible future is still within reach – but only if we act soon. Job Description Vetted superstars for a fast paced MVP to deliver on May 31st Must haves: -Rest API development...

About Wheely Wheely is redefining premium transportation across major cities in Europe, the US, and the Middle East. We blend cutting-edge technology with the craft of five-star chauffeuring to deliver an experience trusted by more than 100,000 active riders and 1,200 corporate...

 ...Designing scalable backend systems for high-growth consumer products Developing features around shared spending, sending/receiving money, and...  ...experience and understand how technical decisions impact end users. You are comfortable contributing to architectural discussions... 

 ...Computer Science or Engineering; MSc preferred Experience with test-driven development and behavioral-driven development Ability to develop in Java Experience with functional programming languages Excellent knowledge of relational databases, SQL, and ORM technologies... 

 ...Senior Back-End Engineer - Ledger Platform Hybrid in London (UK) or Remote within the UK We’re looking for a Senior Back-End Engineer...  ...many stakeholders and systems. Go beyond the code to develop deep expertise in our domain — our core financial products and our... 

 ...Join Our Engineering Team? Be part of a team that’s shaping the future of investments. As an engineer, you’ll play a pivotal role in developing and maintaining a robust, scalable platform used by thousands daily. We tackle complex technical challenges, drive innovation, and... 

An opportunity has arisen with a fast-growing health technology company with a focus on improving the communication between healthcare professionals and their patients. They have secured a large portion of the UK market and are now looking to expand globally. They are passionate...

 ...banking, financial tools, and application logic are coordinated into a single control layer. Through the app store, entrepreneurs and developers can build industry-specific functionality as their business evolves. Our team is small, highly motivated, and focused on... 

 ...you: Are based in London and excited to work from our Farringdon office (5 days/week) Have experience owning technical projects end-to-end , from architecture through production Are excited by the intersection of AI infrastructure, financial systems, and backend... 

 ...operation. The opportunity Ownership: You'll own whole systems end to end. You'll make the architecture calls, ship them, and operate...  ...or more years building production backend systems at a venture-backed startup or top tech firm, owning services and systems end-to-end.... 

 ...Lead , and working collaboratively in a cross-functional product team within a tribe , you will be accountable for designing and developing applications and coordinating with the rest of the team working on different layers of the infrastructure Fresha . This is a...