126 to 150 of 285 Software Engineer Jobs in Central London

Staff Software Engineer (Python/Rust/C++/Golang) 📍 London - Hybrid (3 days onsite) 💰 Up to £160,000 base + 25% bonus + equity We’re building the next generation of real-time, low-latency data systems - processing billions of transactions globally. This is a hands … Staff Engineer role where you’ll take on complex challenges in distributed, event-driven architecture, focusing on scale, performance, and reliability. Why You’ll Love It Build and optimise real-time distributed systems at a global scale Lead deep dives into latency, throughput, and observability Stay close ...

Java Software Engineer About the company We’re building a modern loyalty platform used at scale, and we’re looking for Java Engineers to help shape and grow our microservices architecture. There will also be the chance to use Kotlin on new future projects. What ...

Graduate Software Engineer - Portfolio Management £45K - £55K + Bonus + Bens A small, high-performance team at the centre of a specialist reinsurance group are looking for several Computer Science/Maths graduates to join them in London. You will be joining a team that builds systems ...

Senior Software Engineer – 3D Graphics/Computer Vision London preferred | Full-time | Visa sponsorship available The mission Work at a stealthy 3D/graphics startup that turns real‐world objects into production‐ready, photoreal assets for film, games and real‐time experiences. Think: high‐end material capture … photogrammetry tools used behind the scenes by top studios, not off‐the‐shelf consumer software. The role You’ll be the go‐to engineer for 3D rendering and asset processing in a Windows desktop app that sits at the heart of the company’s pipeline. Expect deep work ...

Founding Software Engineer| DeepTech | On-site London | Up-To £180,000 + Equity A well-funded, early-stage AI infrastructure startup is tackling one of the most persistent bottlenecks in the physical world. The team is building the core AI systems that will enable the next wave … real-world, AI-driven innovation. They’re looking for a founding engineer who thrives on ownership, moves fast, and wants to help shape both the product and the company from day one. This is a hands-on role in a small, highly technical team where you’ll ship early ...

Lead Software Engineer (Kotlin) 💰 £110,000 - £130,000 + bonus + excellent Benefits 📍 Hybrid - 3 days onsite in Central London (Zone 1) Want to manage a team that builds tech accelerating the move to clean, affordable energy? Enjoy being hands-on and thrive in fast-growing, product ...

title: Senior Software Engineer – Automation Location: New Malden What you’ll be doing: Providing technical leadership by taking ownership of complex automation solutions, engaging with stakeholders and end users. Review and debug of complex automation scripts Provide specialist knowledge and subject matter expertise to members of other teams … Provision of support and oversight for the work of other team members Design solutions for deploying and configuring software and systems Develop and maintain software relating to automation of system build and deployment Perform investigations and identify appropriate solutions to emerging issues Answer technical queries about his/ ...

Senior Software Engineer | Climate Tech | London (Hybrid) A climate tech startup building tools that make clean energy the default choice is looking for engineers who enjoy deep technical challenges and want their work to create real-world impact. Their platform helps stabilise the grid by shifting energy usage ...

Senior Software Engineer City of London - 1 Day per week Insurtech/Climate About the role This organisation creates insurance products that support the transition to a low-carbon economy. The team is small, fast-moving and focused on modernising a traditionally slow sector. They use a flexible ...

Senior Software Engineer - AI Infrastructure We’re working with a hyper growth company. They are building the GPU infrastructure to the best ai labs and the biggest enterprise companies. They are building the solution that allows researches to focus on their models, while utilising the phenomenal scale … role for engineers who like big systems, hard problems, and meaningful ownership. You’ll be joining a team operating at the intersection of software, hardware, and AI. ...

Software Engineer (React) Central London - 4 days onsite £80,000-£100,000 (maybe scope for more) We’re looking for #1 engineering hire into an already established multi-million-pound turnover business. You’ll work directly with the founder to build React-focused solutions used by real customers ...

Senior Software Engineer (Golang-TypeScript-React) London - Hybrid Join a high-growth AI company building cutting-edge platforms used by engineering and research teams worldwide. We’re looking for a Senior Full Stack Engineer who’s strongest on the backend (Golang preferred) with solid TypeScript/React … cloud environments Comfortable working across backend, platform, and some frontend areas Able to explain architecture decisions and trade-offs clearly Pragmatic, hands-on engineer who enjoys working in smaller teams Nice to Have Experience with Python or ML-adjacent environments Exposure to Kubernetes or infrastructure-as-code tooling (eg. ...

Senior Software Engineer I- (C# .NET/Angular) Are you ready for the next step in your engineering career? Would you enjoy working on our cutting-edge products? About Our Team: We are strengthening our software engineering team to modernise our existing application stack, powering … Python, C#/.Net, SQL, AWS (EKS, S3, Lambda, CDK, etc.), Applied AI/ML libraries and frameworks. About The Role: We are hiring Software Engineers to work on modernising and enhancing a key product, LexisNexis® Classification. This product uses AI to read millions of patents globally and pull ...

supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into … proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L. Project Overview: As a Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing ...

supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into … proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L. Project Overview: As a Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing ...

Senior C++ Software Developer, Python - Financial/Banking Candidates will have 5+ years C++ experience (ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity, FIX Protocol and some Low Latency experience. … work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this ...

Role: C# Software Engineer - Trading Industry: Hedge Fund Location: London Why this is worth your time If you are comfortable where you are but feel your work has become predictable, this role is built for you. This is not about maintaining mature systems or shaving milliseconds … What they are looking for Experience in trading, market making, hedge funds, or similar environments is essential due to the nature of work. Strong software engineering experience with C# in complex, high performance environments An engineer who enjoys ambiguity and solving problems that do not yet have ...

Senior Software Engineer - Full-Stack Location: London Working Model: Hybrid 3 Days Salary: Up to £128,000 Ready to build tech that actually means something? This team is powering the next generation of electrification EVs, solar, batteries, heat pumps, smart devices all connected through a platform thats scaling … fast and rewriting the rulebook in green-energy tech. Theyre growing. Theyre hiring. And they want a Senior Engineer who can own problems end-to-end, think like a product person, and ship like someone who knows their craft inside out. If you want a job where you just ...

Senior C# Engineer City of London (On-site) Permanent | £90,000 – £120,000 We’re partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer . You’ll work on greenfield projects, cutting-edge technology, and play ...

Java Software Development Engineer in Test - FinTech - Java Remote (UK) | £80 - 90k Our client a cutting-edge fintech business is looking for a Software Development Engineer in Test (Java SDET) to strengthen their automated testing framework and drive software quality to the highest standards. This … testing to uncover edge cases and ensure robustness Pair with developers to enhance testing infrastructure for continuous delivery Proactively identify areas for improvement in software quality Essential Experience: Strong Object-Oriented Programming in Java (ideally Core Java) Proven background as an SDET Component testing, end-to-end testing & failure ...

Full-Stack Engineer - Node/TypeScript/AI 🌍London 💰£70-90k A well-funded early-stage startup in London is building an AI-driven commerce platform using agentic AI to remove the invisible admin that slows small businesses down. Think: AI systems that listen, interpret, and take action … helping independents run operations effortlessly while staying focused on what they do best. I'm hiring a Senior Software Engineer to join the core team. You’ll work across the stack (Node, Python, React/Next.js, TypeScript, AWS) to build the intelligence behind ordering, payments, and workflow automation. ...

client is looking for an experienced Senior C++ Software Engineer to help grow and enhance our PTP software platform. The candidate will work on strategic enhancements to the platform as well as on client implementation projects. The PTP Platform is a leading-edge, cloud-based Securities Processing … solution that provides trade lifecycle processing for a wide range of global financial institutions. What you will need: · Extensive commercial software development experience using C++ · SQL experience · Unix/Linux experience · Relevant degree in a numeric discipline, or equivalent work experience · Excellent written and spoken English Added bonus ...

Software Engineer in Test (Java backend & APIs) 📲| Fintech Trading 🚀 💰 £70,000 - £90,000 + Bonus + Benefits 📍 Hybrid - 3 days/week in Central London Join a collaborative, engineering-led team ensuring the stability and performance of a high-volume, global electronic trading platform. You’ll write clean … quality and attention to detail in fast-paced environments. ⭐ BONUS POINTS: Experience in electronic trading, FX, banking or fintech domains Shape the quality of software that millions of trades rely on - apply ...

Head of Web (Senior Software Engineer) A rapidly scaling health-tech organisation (Series A funded) is seeking an exceptional Head of Web to lead the architecture, development, and future direction of its core web platform. If you’re a deeply experienced React + TypeScript engineer who wants … closely across mobile, backend, and product teams Mentor engineers and help shape a world-class engineering culture What You’ll Bring 5+ years’ professional software engineering experience Deep expertise with React + TypeScript Proven ownership of complex production web applications Strong architectural and design understanding Excellent problem-solving ...

Technical Quantitative Developer/Software Engineer with deep Computer Science expertise applied to Python, its libraries and ecosystem as well as professional experience with SDLC tooling, Linux, Docker, and SQL sought to join a specialist London Headquartered Quantitative Hedge Fund. You will join as a more junior member … with SQL RDBMS, a Dockerised On-Prem RedHat Linux platform. Python is the primarily required skill, however solid professional profiency of building and shipping software in Linux/Docker environments as well as SDLC tooling such as GitLab CI/CD are also required. In return for your Computer ...