101 to 125 of 183 Software Engineer Jobs in the City of London

We're looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript and Node Exposure of Laravel and/or More ❯

entering an exciting scale-up phase. This is a unique opportunity to join and directly shape a pioneering consumer product. Role Overview We are looking for an outstanding Senior Software Engineer to join our fast-moving journey. You’ll be a key contributor across the stack in our Rust-based environment, building intuitive experiences and scalable systems while … code reviews, mentor engineers, and support hiring as we grow Take ownership from concept to delivery, including infrastructure (deployments, observability, CI/CD) Must-Have Qualifications 5+ years in software engineering (flexible if skills and impact are strong) Strong foundations in typed languages (e.g., C++, Scala, Rust, Java, C#, Swift) Strong understanding of core programming concepts, including variable assignments More ❯

entering an exciting scale-up phase. This is a unique opportunity to join and directly shape a pioneering consumer product. Role Overview We are looking for an outstanding Senior Software Engineer to join our fast-moving journey. You’ll be a key contributor across the stack in our Rust-based environment, building intuitive experiences and scalable systems while … code reviews, mentor engineers, and support hiring as we grow Take ownership from concept to delivery, including infrastructure (deployments, observability, CI/CD) Must-Have Qualifications 5+ years in software engineering (flexible if skills and impact are strong) Strong foundations in typed languages (e.g., C++, Scala, Rust, Java, C#, Swift) Strong understanding of core programming concepts, including variable assignments More ❯

SR2 are currently looking for a Principal Software Engineer (Python/React) for a fast-growing start-up company in London. Location: Central London (2-3 days a week onsite). Salary: £100 - 120k. What we are looking for: Key skills: Python, React, TypeScript & AWS. Proven track record in a client-facing technical role, dealing with internal & external … stakeholders. Ability to lead on projects and deliver high quality software on time. Experience working at a start-up company or a strong preference for working in a growing, fast paced environment. You must have full right to work in the UK to apply for this role. If interested, please apply with your updated CV and we’ll line More ❯

SR2 are currently looking for a Principal Software Engineer (Python/React) for a fast-growing start-up company in London. Location: Central London (2-3 days a week onsite). Salary: £100 - 120k. What we are looking for: Key skills: Python, React, TypeScript & AWS. Proven track record in a client-facing technical role, dealing with internal & external … stakeholders. Ability to lead on projects and deliver high quality software on time. Experience working at a start-up company or a strong preference for working in a growing, fast paced environment. You must have full right to work in the UK to apply for this role. If interested, please apply with your updated CV and we’ll line More ❯

Graduate Software Engineer/Quantitative Developer/Quantitative Researcher 📍 Location: London (Hybrid) 💷 Salary: Up to £170,000 + Bonus + Full Benefits 🏢 Client: Elite Fund Kickstart Your Career! Just graduated and ready to launch your career in high-performance technology and quantitative finance? Join a leading global trading firm where innovation rules — no legacy systems, no bureaucracy, just More ❯

Graduate Software Engineer/Quantitative Developer/Quantitative Researcher 📍 Location: London (Hybrid) 💷 Salary: Up to £170,000 + Bonus + Full Benefits 🏢 Client: Elite Fund Kickstart Your Career! Just graduated and ready to launch your career in high-performance technology and quantitative finance? Join a leading global trading firm where innovation rules — no legacy systems, no bureaucracy, just More ❯

next-gen labour automation unit, providing highly efficient services across various use cases, starting with industrial applications. We are looking for a passionate and skilled Sr Full-Stack Robotics Software Engineer to join our innovative team in London. Our Mission At Humanoid, we strive to create the world’s leading, commercially scalable, safe, and advanced humanoid robots that … KPIs using modern front-end frameworks like React. Develop robust backend services to support the platform, including APIs for communication, data management, and integrations with robotic systems. Build lightweight software services that run on the robots, enabling remote control, data collection, diagnostics, and state management. Integrate Human Interface Devices (HID) such as game controllers or joysticks to provide intuitive … low-latency remote control over robot movements and actions. Streamline and automate workflows, including software deployment, performance monitoring, and diagnostics, to enhance reliability and efficiency. Implement testing pipelines to validate the functionality of the UI, backend, robot-side services, and HID-driven control flows. Ensure smooth communication and functionality between the platform, backend services, robot-side services, hardware systems More ❯

next-gen labour automation unit, providing highly efficient services across various use cases, starting with industrial applications. We are looking for a passionate and skilled Sr Full-Stack Robotics Software Engineer to join our innovative team in London. Our Mission At Humanoid, we strive to create the world’s leading, commercially scalable, safe, and advanced humanoid robots that … KPIs using modern front-end frameworks like React. Develop robust backend services to support the platform, including APIs for communication, data management, and integrations with robotic systems. Build lightweight software services that run on the robots, enabling remote control, data collection, diagnostics, and state management. Integrate Human Interface Devices (HID) such as game controllers or joysticks to provide intuitive … low-latency remote control over robot movements and actions. Streamline and automate workflows, including software deployment, performance monitoring, and diagnostics, to enhance reliability and efficiency. Implement testing pipelines to validate the functionality of the UI, backend, robot-side services, and HID-driven control flows. Ensure smooth communication and functionality between the platform, backend services, robot-side services, hardware systems More ❯

at https://www.eunice.ai! About the role At Eunice, we are building the trusted infrastructure for digital assets and tokenized finance. We’re looking for a full-stack software engineer to join our fast-growing startup. This is an exciting opportunity for someone who enjoys a fast paced environment; loves the challenge to solve some of the … knowledge in at least one popular coding language for building web-based applications on both FE and BE, ideally Typescript, Javascript/NodeJS, etc. You have experience with common software and system design patterns and infrastructure including APIs, cloud infrastructure tools, storage solutions, data structures etc. Ideally you have experience working on AI/Crypto projects, or you are More ❯

at https://www.eunice.ai! About the role At Eunice, we are building the trusted infrastructure for digital assets and tokenized finance. We’re looking for a full-stack software engineer to join our fast-growing startup. This is an exciting opportunity for someone who enjoys a fast paced environment; loves the challenge to solve some of the … knowledge in at least one popular coding language for building web-based applications on both FE and BE, ideally Typescript, Javascript/NodeJS, etc. You have experience with common software and system design patterns and infrastructure including APIs, cloud infrastructure tools, storage solutions, data structures etc. Ideally you have experience working on AI/Crypto projects, or you are More ❯

Urgent contract role - 3 months initial We're looking for a skilled contract Software Engineer with Security Clearance working Inside Ir35. London based - 2/3 days onsite Essential Skills: Javascript React Typescript Node for application development More ❯

Role: Distributed Systems Software Engineer - Up to £190k + Bonus Salary: Up to £190k + Bonus Location: London (Hybrid) Skills: Language agnostic, just need to be a keen technologist (Ideally experienced in Rust, Python or C++) This firm is an elite company with high tech standards who have previously set tech world records. They are made up of … languages (such as Rust and Erlang), or purpose-built languages similar to OCaml • Building out Machine Learning 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 friendly, tight-knit environment • Flat More ❯

time | Salary + Equity | Purpose-led startup Joyned is on a mission to help organisations build strong, safe communities through better communication. We’re looking for a hands-on software engineer to take ownership of our codebase and help shape how the product evolves. We’re a funded startup, built in partnership with Brightec (the team behind apps … transform how they connect with their communities. This is a solo engineering role, as we kick-off our in-house engineering team. You'll be our only full-time engineer, writing, testing and shipping code across the whole stack. You won’t be micromanaged - you’ll lead and pioneer. Our founder will be involved in technical decisions and we More ❯

We’re partnering exclusively with one of the most prestigious trading firms in London to find a highly skilled Front-End Software Engineer to join their world-class engineering team. This is an opportunity to work at the very heart of high-performance trading technology — building ultra-responsive, visually intuitive web interfaces for some of the most demanding … trading, gaming, or top-tier tech) Passion for clean, maintainable code and UI craftsmanship 🌍 Why Join? Collaborate with some of the sharpest minds in trading and technology Contribute to software that drives real-time trading decisions Work in a flat-structured, engineering-led environment with rapid decision-making Top-tier compensation, full autonomy, and state-of-the-art tools More ❯

We’re partnering exclusively with one of the most prestigious trading firms in London to find a highly skilled Front-End Software Engineer to join their world-class engineering team. This is an opportunity to work at the very heart of high-performance trading technology — building ultra-responsive, visually intuitive web interfaces for some of the most demanding … trading, gaming, or top-tier tech) Passion for clean, maintainable code and UI craftsmanship 🌍 Why Join? Collaborate with some of the sharpest minds in trading and technology Contribute to software that drives real-time trading decisions Work in a flat-structured, engineering-led environment with rapid decision-making Top-tier compensation, full autonomy, and state-of-the-art tools More ❯

and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. Portfolio We would love to see your recent frontend works! If … experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. Work on More ❯

and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. Portfolio We would love to see your recent frontend works! If … experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. Work on More ❯

back of 3 years of exceptional performance, the firm are looking for elite talent to help continue this streak. Our client is looking for a commercially aware, data-oriented Software Engineer to join their central functions team, with extensive experience in financial services with Python and SQL to build and deliver solutions, and act as an expert point More ❯

back of 3 years of exceptional performance, the firm are looking for elite talent to help continue this streak. Our client is looking for a commercially aware, data-oriented Software Engineer to join their central functions team, with extensive experience in financial services with Python and SQL to build and deliver solutions, and act as an expert point More ❯

Software Development Engineer in Test with strong experience in Data Testing of financial products required for a prestigious financial service client in London. The role will involve working on a big Transformation Programme, and suited candidates will have the following hands-on experience; C#, Python, JavaScript/Typescript, SQL and test automation frameworks such as Playwright, Specflow, Agile … consensus-building and collaboration. Strong Microsoft Skills, including PowerPoint & Excel; understand and document Process Maps using tools such as Visio. The ideal candidate will have recently completed a similar Software Development Engineer in Test role for another Asset Manager, will have a passion for delivering innovative technical solutions and will have a broad knowledge of Asset Management, including More ❯

Software Development Engineer in Test with strong experience in Data Testing of financial products required for a prestigious financial service client in London. The role will involve working on a big Transformation Programme, and suited candidates will have the following hands-on experience; C#, Python, JavaScript/Typescript, SQL and test automation frameworks such as Playwright, Specflow, Agile … consensus-building and collaboration. Strong Microsoft Skills, including PowerPoint & Excel; understand and document Process Maps using tools such as Visio. The ideal candidate will have recently completed a similar Software Development Engineer in Test role for another Asset Manager, will have a passion for delivering innovative technical solutions and will have a broad knowledge of Asset Management, including More ❯

billion-dollar businesses. The company’s trajectory is ambitious, from zero to seven figures in recurring revenue within its first year and this is only the beginning. As a Software Engineer, you’ll join a small, high calibre team where ownership is everything. You’ll work primarily on the backend, integrating with LLMs, and collaborating directly with the … s nothing quite like building the next tech unicorn, together, in the same room, ask the big players. What you’ll need to succeed: Strong experience building production quality software (Java, TypeScript, or Python) Curiosity and adaptabilit y: you learn new technologies quickly and apply them effectively Hunger and drive: you’re comfortable working in ambiguous, fast paced environments More ❯

billion-dollar businesses. The company’s trajectory is ambitious, from zero to seven figures in recurring revenue within its first year and this is only the beginning. As a Software Engineer, you’ll join a small, high calibre team where ownership is everything. You’ll work primarily on the backend, integrating with LLMs, and collaborating directly with the … s nothing quite like building the next tech unicorn, together, in the same room, ask the big players. What you’ll need to succeed: Strong experience building production quality software (Java, TypeScript, or Python) Curiosity and adaptabilit y: you learn new technologies quickly and apply them effectively Hunger and drive: you’re comfortable working in ambiguous, fast paced environments More ❯

Senior Software Developer London – Twice a week in the office £70,000-£90,000 C#/Python/Azure I’m currently working for a well-established tech consultancy business of over 70 years who are based in Central London and looking for a Senior Software Developer , paying up to £90,000 and requiring office working of twice More ❯