126 to 150 of 251 Software Engineer Jobs in London

Embedded Software Engineer - London UK Hybrid Competitive Salary An innovative deep-tech start-up developing next-generation computing hardware for autonomous and edge systems is seeking a Senior Embedded Engineer. Youll play a key role in shaping architecture, driving digital design from concept to tape-out, and collaborating ...

Software Engineer – Java/Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, and core operations, and your work will have real … practice Contribute to modern engineering practices including CI/CD, testing, and monitoring What we’re looking for: 3–5 years of professional software engineering experience Strong Java development experience; Python experience or willingness to learn Ability to communicate clearly and work effectively in a team environment Background ...

Full Stack Software Engineer - TypeScript/React/Postgres/AWS/Terraform/DevOps We are looking for a number of highly motivated Full Stack Software Engineers to join a fast-growing industrial tech startup focused on reinventing manufacturing. You will play a central role … manufacturing for the scale-up companies shaping the future, from rockets and drones to satellites and nuclear energy. Currently running four small-to-medium software-driven factories across the UK and US, they are on track to expand to 25 factories by the end of 2026. This ...

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) This is a hybrid role, 3 days remote and 2 days in the office Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions ...

Senior Software Engineer Hayes, London Hybrid We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role in driving technical decisions … with various testing methodologies (e.g., unit, integration, end-to-end) and a commitment to writing well-tested code. A commitment to robust and reliable software delivery, including familiarity with practices like no-downtime deployments, proactive monitoring, and identifying potential risks. Proven ability to lead technical initiatives from concept ...

Description Senior C++ Software Engineer – Trading & Supply What We Need From You Required Industry Knowledge: • Understanding of major global futures exchanges and their native protocols • Knowledge of full exchange-traded derivatives trade lifecycle • Minimum of 8 years' experience in Trading & Capital Markets/Investment Banks Role Overview … Senior C++ Engineer, you will be a member of a small, high performing team responsible for global derivatives algorithmic trading platform. Working closely with technologists, quants and traders to develop our in-house trading technology and optimise it to achieve market-leading performance and reliability. Our proprietary trading platform ...

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 ...

Senior C++ Software Developer, Python - Financial/Banking Candidates will have 7+ 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 with 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 ...

step into a role where you take real ownership of complex, high-precision technology? An innovative Oxfordshire-based company is seeking a Senior Software Engineer to help shape and deliver the software behind next-generation systems. This is a hands-on role combining technical leadership with close … collaboration across software and advanced hardware teams. You will play a key role in designing and developing robust applications that directly control precision hardware platforms. The position goes beyond feature delivery. You will influence architecture, strengthen engineering standards, support system deployments and mentor a small team, while remaining actively ...

step into a role where you take real ownership of complex, high-precision technology? An innovative Oxfordshire-based company is seeking a Senior Software Engineer to help shape and deliver the software behind next-generation systems. This is a hands-on role combining technical leadership with close … collaboration across software and advanced hardware teams. You will play a key role in designing and developing robust applications that directly control precision hardware platforms. The position goes beyond feature delivery. You will influence architecture, strengthen engineering standards, support system deployments and mentor a small team, while remaining actively ...

Senior Backend Engineer London - 4 days on site Up to £110k + benefits We're hiring for one of the UK's fastest growing fintech scale-ups. As a Senior Software Engineer, you will be deeply hands-on designing, building, deploying and operating scalable infrastructure services ...

Company Description Start up Role Description This is a full-time off-site role for a Software Engineer. The Software Engineer will be involved in designing, developing, apps for both IOS and Android iPhones and tablets as well as Desktops. Must be experienced in using both Xcode … standards. Qualifications Expertise in App Development Proficiency in Programming languages and Object-Oriented Programming (OOP) Excellent problem-solving and analytical skills Experience with AI software development tools and frameworks. ...

White Collar Factory (95009), United Kingdom, London, London Senior Software Development Engineer - Services About this role We are seeking a Senior Software Engineer who can walk in the shoes of our users, communicate & collaborate with teams in Business, Technology and Operations, bringing a passion for using … software and technology to create impactful solutions. To be successful in this role, you will have an understanding of the benefits of business processes automation to enable user efficiency, the importance of well-governed solution development, and how to balance these needs to produce easy-to-use software. ...

Senior Software Engineer - Python - London Salary: Up to £90,000 Location: Hybrid 2 days per week in Canary Wharf (E14) Contract: Permanent, Full Time Interviews: WC 9th February Agency Partner: dcoded The Business dcoded are partnering with a high-growth Real-Time Data SaaS business based in London ...

Role: C++ Software Engineer Salary: Up to £190k + Bonus Location: London (Hybrid) This firm is an elite company with high tech standards who have previously set tech world records. They are made up of some exceptionally talented individuals who above all are passionate about using the latest … Erlang), or purpose-built languages similar to OCaml • Building out low latency infrastructure and tweaking research models What else is in it for you? • Software Engineers are treated as the company's #1 asset • Low attrition rate; people working there love what they do on a daily basis! • Very ...

Forward Deployed Software Engineer | London (Hybrid) | Up to ~£150k depending on level Not every engineering role is about shipping neat features into clean environments; some are about walking into ambiguity and making complex systems work in the real world. I’m partnering with a high-growth technology company ...

Hiring: Full Stack Software Engineer (Node.js & React Native) 📍 Victoria, London | Full-time | 4 days in office, 1 WFH 🧑 💻 Mid-Level (3–5 years’ experience) A fast-growing fintech is looking for a Mid-Level Full Stack Engineer to join their collaborative London-based team. This business powers … Operations to ship new features, resolve customer issues, and continuously improve performance and code quality. ✅ What They’re Looking For 3–5 years’ software engineering experience Strong Node.js backend expertise Proven experience building & deploying React Native apps Solid MongoDB knowledge Detail-oriented, proactive problem-solver Comfortable in a fast ...

Staff Software Engineer London, hybrid (2 days per week) Up to £110,000 (potentially £120,000) plus benefits This is a standout opportunity to join a high-growth, product-led scale-up where you will have real ownership, shape technical decisions, and build solutions that directly impact customers. … standards across the codebase. * Work in an environment that values experimentation, learning, and engineering rigour. Your Skills and Experience * Strong commercial experience building modern software products. * Skilled in designing scalable systems and solving complex technical problems. * Comfortable operating in fast-moving startup or scale-up environments. * Ability to collaborate ...

Software Engineer II (IC3) Location: London, UK (Hybrid – Onsite 3 days per week) Length: 6 months Rate: £34.13 per hour (Inside IR35) Hours: 40 hours per week Job description: Client is seeking Research Engineers to join Fundamental AI Research (FAIR). We are committed to advancing the field … such as programmatically querying LLMs and LLM post-training. Programming experience in Python and hands-on experience with frameworks such as Pytorch Experience writing software and executing complex experiments involving large AI models and datasets. Proven experience to translate insights into business recommendations Bachelor's degree in Computer Science ...

Software Engineer IV (IC5) Location: London, UK (Hybrid – Onsite 3 days per week) Length: 6 months Duration: 27/04/2026 – 27/10/2026 Rate: £54.81 per hour (Inside IR35) Hours: 40 hours per week Job description: Client is seeking Research Engineers to join Fundamental … such as programmatically querying LLMs and LLM post-training. Programming experience in Python and hands-on experience with frameworks such as Pytorch Experience writing software and executing complex experiments involving large AI models and datasets. Proven experience to translate insights into business recommendations Bachelor's degree in Computer Science ...

Software Engineer III (IC4) Location: London, UK (Hybrid – 2 days remote, 3 days onsite) Length: 6 months Duration: 27/04/2026 – 27/10/2026 Rate: £43.27 per hour (Inside IR35) Hours: 40 hours per week Job description: Client is seeking Research Engineers to join … such as programmatically querying LLMs and LLM post-training. Programming experience in Python and hands-on experience with frameworks such as Pytorch Experience writing software and executing complex experiments involving large AI models and datasets. Proven experience to translate insights into business recommendations Bachelor's degree in Computer Science ...

Role: Rust Software Engineer Salary: Up to £200k + Bonus Location: London (Hybrid) This firm is an elite company with high tech standards who have previously set tech world records. They are made up of some exceptionally talented individuals who above all are passionate about using the latest ...

Software Engineer - Quantitative Finance 40+ top trading firms seeking exceptional engineers. Multiple immediate openings. What you'll do: Build trading systems and market data infrastructure Develop quantitative research platforms and tools Optimize performance-critical financial applications Requirements: 2+ years software engineering experience Strong C++/Python/… based on experience Locations: London, Remote Focus: Trading platforms, risk systems, data infrastructure From high-growth prop firms to established systematic funds. Ready to engineer the markets? Apply now for confidential discussions. ...

Java Software Engineer with around 3-6 years professional, post-graduate experience sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading … staff tenure. This hire will be part of a core Software Engineering team, responsible for the vast majority of all applications in the business from front-to-back office.This includes Order Management & Trading Execution, Risk & Finance, Straight-Through-Processing and Corporate Functions. The team deal directly with business users ...

looking for a Senior Software Engineer to join a growing team building smart, scalable tools used by professionals across a range of industries. You'll work onsite in London, helping shape robust backend services and responsive user experiences using React, NextJS and NodeJS. What You'll Do Build ...