1 to 25 of 264 Software Engineer Jobs in London

Software Engineer, C#, .NET, Azure, React, COR7545B We’re looking for a mid-senior level Software Engineer to join the newly-created team of a leading financial services company based in Reading. The Software Engineer will work in a fully cloud-based Azure environment … deliver new products and capabilities to an Azure cloud-based platform. The Role Having brought development in-house that was previously outsourced, the Software Engineer will be responsible for developing high-quality applications using C#, .NET, React and SQL Server, ensuring clean architecture and maintainable code. The Software ...

Senior to Principal Software Engineer | Mission-led Fintech - Hybrid London Here’s the thing. If you’re a Senior, Staff, or Principal Software Engineer who wants serious impact without the ego-fest, this will probably speak to you. I’m partnering with a fast-growing fintech … something with. Proper ownership. Fast cycles, low ceremony, and room to shape architecture while mentoring others. What you’ll work with as a Staff Software Engineer Stack: Python, TypeScript, React, Svelte, PostgreSQL, Snowflake, AWS. Setup: Cross-functional squads that care about outcomes, not ticket-ticking. You’ll improve ...

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) ***This is a hybrid role, 2 days remote and 3 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions … Limited does not discriminate in regards to age, gender, national origin, religion or any other basis. An excellent opportunity has arisen for a Senior Software Engineer C++to join a friendly team my client are a well-established exchange (FinTech, Financial Technology) based in the City. My client ...

Full Stack Software Engineer (Platform & Cloud) Location: London (Hybrid - 2 days onsite) Salary: £70,000 – £100,000k (DOE) Contact: Adam Mayne – (url removed) | (phone number removed) An exciting opportunity for a Full Stack Software Engineer to join a fast‑growing London technology design consultancy building next … company develops next generation cloud‑native, highly scalable platforms, combining modern web technologies with cutting‑edge backend and infrastructure engineering. As a Full Stack Software Engineer, you’ll be involved not only in feature development but also in the evolution of the underlying platform and cloud architecture. This ...

Senior Java Software Engineer - Java Developer, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Senior Java Software Engineer role:- You will be joining a fast-growing, research-driven company building … learning techniques. My client is revolutionising their industry with a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some ...

Full Stack Software Engineer (Platform & Cloud) Location: London (Hybrid - 2 days onsite) Salary: £70,000 – £100,000k (DOE) Contact: Adam Mayne – adam@vrl.co.uk | 01234 823373 An exciting opportunity for a Full Stack Software Engineer to join a fast‐growing London technology design consultancy building next‐generation … company develops next generation cloud‐native, highly scalable platforms, combining modern web technologies with cutting‐edge backend and infrastructure engineering. As a Full Stack Software Engineer, you’ll be involved not only in feature development but also in the evolution of the underlying platform and cloud architecture. This ...

Senior Software Engineer/Principal Software Engineer- C++, Python - Financial/Banking Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python -coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity. … 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 ...

Principal Software Engineer (Go/Systems) 🚀 Series B Scale Up 🔬 Life Sciences Salary : £170,000 plus package Location : Angel (3 days per week in office) Requirements : Backend engineering specialist, with expertise in Golang, Python, Rust, Kubernetes The Mission: Orchestrating Physical Reality 🤖 I am working with a Series … disrupting the Life Sciences sector by building a cloud-to-hardware "Operating System" that automates human health. They are looking to hire a Principal Software Engineer who will be the technical heavyweight that 5–6 Staff Engineers rally behind. ⚡ The Technical Core The ecosystem is built for high ...

Software Engineer (.NET) - Sports Betting🥎🏐🏈🎾 💰 £65,000 - £85,000 + benefits 📍 3 days per week in Central London office (Hybrid) Join a global leader in sports data & technology, powering immersive, real-time experiences for millions of fans worldwide. This is a business at the forefront of innovation within … sports betting, analytics and data-driven decision-making. They are in search of a Junior/Mid .NET Software Engineer to contribute significantly to their cutting-edge multithreading project, handling millions of real-time threads per second. This presents an exceptional opportunity to participate in the development ...

Role: Senior Software Engineer Location: London Area, United Kingdom (Hybrid) Employment Type: Full-time Seniority: Senior Level Salary: £85,000 + Bonus Are you a highly experienced Software Engineer ready to take ownership of complex systems and drive engineering excellence in a fast-paced environment … looking for a Senior Software Engineer to play a key role in designing and delivering scalable, high-quality software solutions. You'll operate at the heart of engineering-leading technical decisions, mentoring team members, and shaping architecture across modern, cloud-based platforms. This is an opportunity ...

Senior Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £110,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Senior Software Engineer with extensive knowledge of building distributed systems? Looking … so... I'm partnered with a very exciting Cloud scale-up who have received record Series A funding and are looking for innovative Senior Software Engineers to join their ambitious team! With a new VP of Engineering who has spent much of their career building out a world leading ...

Lead Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £130,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Lead Software Engineer with extensive knowledge of building distributed systems? Looking … so... I'm partnered with a very exciting Cloud scale-up who have received record Series A funding and are looking for innovative Lead Software Engineers to join their ambitious team! With a new VP of Engineering who has spent much of their career building out a world leading ...

exciting opportunity for a Java Software Engineer has arisen with a leading semiconductor company specialising in high-performance mixed-signal processing, based in London. This is an exciting opportunity for a Java Software Engineer to design and evolve cross-platform applications, SDKs, and developer tooling. … work closely with UX specialists, hardware teams, and software engineers to build polished internal tools that power advanced hardware configuration and tuning workflows. You will commit to a hybrid working model, with a minimum of one day per week onsite in the London office. Experience for the Java Software ...

Software Engineer - Java 21, Springboot Up to £550 per day (Inside IR35) London/Remote 6 months My client is an instantly recognisable consultancy who require a strong Backend Software Engineer with deep expertise in Java (Spring Boot) to join a large-scale, business-critical microservices … programme. All candidates must be eligible for Security Clearance (SC) Key Requirements: Proven experience working as a Java Software Engineer on large microservice architectures Strong experience building scalable backend and RESTful services using Java (Spring Boot) Ideally Java v21 (or very recent versions) Postgres (or other relational ...

Software Engineer - Platform/Core Infrastructure London 4 days a week on site Up to £110k We're partnering with a rapidly scaling fintech that has transformed its market in just a few years. Their payments platform processes billions in transactions annually , supporting a growing customer base across … product teams to move quickly and safely. You'll work on developer-facing infrastructure , helping to reduce friction, automate manual processes, and improve how software is built and deployed across the organisation. The team operates with an 'infrastructure as a product' mindset - treating internal developers as users and continuously ...

Software Engineer (Senior) | C#/.Net & SQL Server | Systematic Hedge Fund Trading Live Markets Salary: £120,000 – £160,000 + bonus (up to 100%) Location: City of London, on-site My client is a long-established systematic hedge fund, just under 20 people in total, with roughly half … business sitting in engineering. They’ve been running for over two decades, quietly successful, and very deliberate about how they build both software and teams. You’d be sat directly on the trading floor in London, working alongside traders, engineers, and the CEO day to day. ...

Software Engineer - C++ Title : Software Engineer - C++ Company : Elite Software House Location : Remote (London office) Salary : £80,000 - £115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like … part of an internationally recognised team of C++ experts led by the brightest C++ minds in the world? An elite software house are looking for the top 1% of engineers of all levels to come on board as they continue to develop beautiful algorithms which power business decisions ...

Senior Software Engineer | Azure | .NET core | $100bn Scale At Ripple , we’re building a world where value moves like information does today. Through our crypto solutions for financial institutions, governments, and businesses, we’re transforming the global financial system and unlocking greater economic opportunity worldwide. In 2025, Ripple … technology stack — enabling corporates to move, manage, and optimize liquidity across traditional and digital assets in real time. We’re now hiring a Staff Software Engineer to help build the next generation of corporate treasury infrastructure. Our key focus right now is scale and performance . ...

Contract C# Software Engineer Near Wimbledon 6-month contract Software Engineer role developing C# Windows applications that interface with hardware. This role is inside IR35 and requires on-site work 3 days per week (full time for the first few weeks). C# Software Engineer ...

Contract C# Software Engineer Near Wimbledon 6-month contract Software Engineer role developing C# Windows applications that interface with hardware. This role is inside IR35 and requires on-site work 3 days per week (full time for the first few weeks). C# Software Engineer ...

engineers who are at the frontier - and we support that with the investment to match. The Role AI is not just changing what software can do - it is changing how software gets built. The best engineering organisations in the world are rewriting their operating models around AI native … relationship between engineers and the tools they use. Most enterprises know this matters. Very few know how to make it work. The Forward Deployed Software Engineer at Indicium AI embeds directly with client engineering teams to transform how they build software. You do not wait for a brief. ...

Principal Software Engineer - C++ Robotics System London, United Kingdom | Posted on 21/04/2026 About the Company At sees.ai, we’ve built a system that enables unmanned aerial systems to carry out inspections of critical national infrastructure, making these missions repeatable, scalable, and commercially viable … simulation. It’s a complex, integrated system already deployed and working in the field, solving real operational problems. Overview Principal Robotics/C++ Software Engineer – London (Hybrid) Define how a complex, real-world system scales — technically and organisationally. Now, following a major contract with National Grid and recent ...

Senior Software Engineer Salary: Negotiable (Depending on Experience) Location: North London Area Schedule: 3-days on site and 2-days WFH per week The Opportunity We are supporting a globally recognised engineering business at the forefront of advanced radar and surveillance technology in the search for a Senior … Software Engineer. This is an excellent opportunity to play a key role in the development of innovative, high-performance software solutions used within cutting-edge maritime navigation and defence systems. You will take ownership of software design across the full lifecycle, contributing to both new product development ...

Software Engineer: Scientific Technology (London, Biotech Start-up) I am currently working exclusively with a London based biotech who have developed advanced instrumentation to analyse nanoparticles at the single particle level. With their platform already being used across leading academic and industry labs in Europe and North America … supporting work in areas like drug delivery and nano-formulations, they are now looking for a Software Engineer who enjoys building practical tools in a scientific environment. Day to day you’ll work closely with scientists and engineers to develop software that sits at the intersection ...

part of the product roadmap — with significant potential to unlock deeper data intelligence than traditional video-based systems — and we’re looking for an engineer to take ownership of this space end-to-end. Why Join Work on a greenfield product at an early stage Own a core product … with ML engineers to enable audio-driven intelligence Debug and improve system performance across the full stack About You 0-3 years’ experience in software engineering, embedded systems, or audio/ML Strong academic background (top university preferred, A grades at A-Level Experience in the following would ...