1,076 to 1,100 of 1,338 Software Engineer Jobs in London

revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer to work on an exciting Product roadmap over the coming years. This role is based out of central London on a hybrid approach and looking for people that are … Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big Data- desirable Docker- desirable messaging- GRPC/Solis- desirable Responsibilities: Design and development of low latency software components Contribute across the entire SDLC write and enhance well structured, testable, scalable and efficient code setup and maintain development process tools Collaborate in agile development process meetings, stand … someone that wants to play a big part in the growth of a team and a business, where there voice is heard and ideas are shared. The successful Senior Engineer will get the opportunity to work on a trail blazing fintech product with a great bunch of people, with no red tape or bureaucracy. Salary is up to £95k More ❯

revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer to work on an exciting Product roadmap over the coming years. This role is based out of central London on a hybrid approach and looking for people that are … Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big Data- desirable Docker- desirable messaging- GRPC/Solis- desirable Responsibilities: Design and development of low latency software components Contribute across the entire SDLC write and enhance well structured, testable, scalable and efficient code setup and maintain development process tools Collaborate in agile development process meetings, stand … someone that wants to play a big part in the growth of a team and a business, where there voice is heard and ideas are shared. The successful Senior Engineer will get the opportunity to work on a trail blazing fintech product with a great bunch of people, with no red tape or bureaucracy. Salary is up to £95k More ❯

revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer to work on an exciting Product roadmap over the coming years. This role is based out of central London on a hybrid approach and looking for people that are … Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big Data- desirable Docker- desirable messaging- GRPC/Solis- desirable Responsibilities: Design and development of low latency software components Contribute across the entire SDLC write and enhance well structured, testable, scalable and efficient code setup and maintain development process tools Collaborate in agile development process meetings, stand … someone that wants to play a big part in the growth of a team and a business, where there voice is heard and ideas are shared. The successful Senior Engineer will get the opportunity to work on a trail blazing fintech product with a great bunch of people, with no red tape or bureaucracy. Salary is up to £95k More ❯

back to the open-source community through continuous innovation and solution development. What You'll Do This role will allow you to master the three pillars of every organisation: Software Engineering, Infrastructure, and Data. Software Engineering: Develop microservices, libraries, Flink jobs, data pipelines, and Kubernetes controllers. Stakeholder Collaboration: Work closely with both technical and non-technical stakeholders to More ❯

Global HFT Firm - Python Engineer - London A leading global high-frequency trading (HFT) firm, executing over $15 billion in daily trading volume, is seeking a Python Engineer to join its Core Platform Team. This highly efficient, cross-functional group supports all areas of the business and collaborates closely with the DeFi team. The firm holds one of the More ❯

Global HFT Firm - Python Engineer - London A leading global high-frequency trading (HFT) firm, executing over $15 billion in daily trading volume, is seeking a Python Engineer to join its Core Platform Team. This highly efficient, cross-functional group supports all areas of the business and collaborates closely with the DeFi team. The firm holds one of the More ❯

Our client—a global, multi-asset investment manager—has rolled out cutting-edge large-language-model coding assistants across its Risk & Portfolio-Tech organisation. They now need a senior engineer who can turn “moon-shot” ideas into production tools , guiding the business on what LLMs can really do and delivering rapid-fire prototypes that become mission-critical apps. What More ❯

Our client—a global, multi-asset investment manager—has rolled out cutting-edge large-language-model coding assistants across its Risk & Portfolio-Tech organisation. They now need a senior engineer who can turn “moon-shot” ideas into production tools , guiding the business on what LLMs can really do and delivering rapid-fire prototypes that become mission-critical apps. What More ❯

to-end delivery of new AI initiatives from idea and architecture through to deployment, monitoring, and optimisation. Introduce new tools, frameworks, and best practices that strengthen the team’s software engineering foundations. Contribute to a culture of continuous learning by mentoring engineers and helping shape the team’s technical direction. Ensure the stability and reliability of key AI platforms … through proactive monitoring, maintenance, and occasional on-call support. What You’ll Need Extensive hands-on experience building and scaling AI-powered backend systems (8+ years in software development, 3+ focused on AI or ML engineering). Expert proficiency in Python, with strong working knowledge of ML libraries and frameworks. Solid background in data architecture, with proven experience across More ❯

to-end delivery of new AI initiatives from idea and architecture through to deployment, monitoring, and optimisation. Introduce new tools, frameworks, and best practices that strengthen the team’s software engineering foundations. Contribute to a culture of continuous learning by mentoring engineers and helping shape the team’s technical direction. Ensure the stability and reliability of key AI platforms … through proactive monitoring, maintenance, and occasional on-call support. What You’ll Need Extensive hands-on experience building and scaling AI-powered backend systems (8+ years in software development, 3+ focused on AI or ML engineering). Expert proficiency in Python, with strong working knowledge of ML libraries and frameworks. Solid background in data architecture, with proven experience across More ❯

to-end delivery of new AI initiatives from idea and architecture through to deployment, monitoring, and optimisation. Introduce new tools, frameworks, and best practices that strengthen the team’s software engineering foundations. Contribute to a culture of continuous learning by mentoring engineers and helping shape the team’s technical direction. Ensure the stability and reliability of key AI platforms … through proactive monitoring, maintenance, and occasional on-call support. What You’ll Need Extensive hands-on experience building and scaling AI-powered backend systems (8+ years in software development, 3+ focused on AI or ML engineering). Expert proficiency in Python, with strong working knowledge of ML libraries and frameworks. Solid background in data architecture, with proven experience across More ❯

to-end delivery of new AI initiatives from idea and architecture through to deployment, monitoring, and optimisation. Introduce new tools, frameworks, and best practices that strengthen the team’s software engineering foundations. Contribute to a culture of continuous learning by mentoring engineers and helping shape the team’s technical direction. Ensure the stability and reliability of key AI platforms … through proactive monitoring, maintenance, and occasional on-call support. What You’ll Need Extensive hands-on experience building and scaling AI-powered backend systems (8+ years in software development, 3+ focused on AI or ML engineering). Expert proficiency in Python, with strong working knowledge of ML libraries and frameworks. Solid background in data architecture, with proven experience across More ❯

THE COMPANY This organisation is pushing the boundaries of AI and data-driven software, developing next-generation tools that integrate advanced machine learning with scalable backend systems. They're looking for an experienced Python Backend Engineer to support the build and integration of key AI components across their tech stack. THE ROLE As a Contract Python Backend Engineer More ❯

THE COMPANY This organisation is pushing the boundaries of AI and data-driven software, developing next-generation tools that integrate advanced machine learning with scalable backend systems. They're looking for an experienced Python Backend Engineer to support the build and integration of key AI components across their tech stack. THE ROLE As a Contract Python Backend Engineer More ❯

hybrid role where you'll be spending 2/3 days a week onsite in London What you’ll bring: ● Significant professional experience (e.g., 5+ years) in full-stack software development. ● Strong proficiency in Python for backend development. ● Experience with modern frontend frameworks (e.g., React, Vue, Angular). ● Solid understanding of database technologies (e.g., PostgreSQL, MySQL) and data modeling. More ❯

hybrid role where you'll be spending 2/3 days a week onsite in London What you’ll bring: ● Significant professional experience (e.g., 5+ years) in full-stack software development. ● Strong proficiency in Python for backend development. ● Experience with modern frontend frameworks (e.g., React, Vue, Angular). ● Solid understanding of database technologies (e.g., PostgreSQL, MySQL) and data modeling. More ❯

This is the future of HL - and the future of investing. We're building the next generation of platform for one of the UK's largest financial services companies, trusted by over 1.8 million clients and managing £130+ billion in More ❯

Founding Engineer – London – AI Start-up Location: London (Hybrid) Compensation: Up to £150K Atarus have partnered with a rapidly growing YC-backed AI start-up looking to hire a Full Stack Engineer . This is an opportunity to join at the ground floor of a company that’s already secured a strong seed round, launched with enterprise clients … and has ambitious growth plans over the next year. You’ll be joining a small, senior founding team who are building a completely new software paradigm in the AI space, one that’s already seeing major traction with customers ranging from Series A startups to decacorns. 🔍 What You’ll Be Doing Building and shipping features end-to-end across … There are no preset limits on salary or equity. If you believe you’re top-tier, they’ll match it. ✅ What They’re Looking For 5+ years’ experience in software engineering (or impressive personal projects) Strong problem-solving skills and bias for action A genuine builder mindset — someone who loves experimenting and learning on the fly Based in London More ❯

Founding Engineer – London – AI Start-up Location: London (Hybrid) Compensation: Up to £150K Atarus have partnered with a rapidly growing YC-backed AI start-up looking to hire a Full Stack Engineer . This is an opportunity to join at the ground floor of a company that’s already secured a strong seed round, launched with enterprise clients … and has ambitious growth plans over the next year. You’ll be joining a small, senior founding team who are building a completely new software paradigm in the AI space, one that’s already seeing major traction with customers ranging from Series A startups to decacorns. 🔍 What You’ll Be Doing Building and shipping features end-to-end across … There are no preset limits on salary or equity. If you believe you’re top-tier, they’ll match it. ✅ What They’re Looking For 5+ years’ experience in software engineering (or impressive personal projects) Strong problem-solving skills and bias for action A genuine builder mindset — someone who loves experimenting and learning on the fly Based in London More ❯

Senior Full Stack (Backend) Engineer | Build Scalable Systems at Speed Were looking for a Senior Full Stack (Backend) Engineer who loves solving complex problems and building elegant, scalable systems that power real-world products. Youll have the freedom to make architectural decisions, improve developer experience, and shape the backbone of our platform. What Youll Do Design and build More ❯

Senior Full Stack (Backend) Engineer | Build Scalable Systems at Speed Were looking for a Senior Full Stack (Backend) Engineer who loves solving complex problems and building elegant, scalable systems that power real-world products. Youll have the freedom to make architectural decisions, improve developer experience, and shape the backbone of our platform. What Youll Do Design and build More ❯

Full Stack Engineer – New Launch Hedge Fund (L/S Equity) Location: London Type: Full-time (5 days per week on-site in Victoria) A newly launched fundamentally driven long/short equity hedge fund, focused on the European Industrials sector, is seeking a talented Engineer to join its growing London-based team. The firm, currently composed of … Integrate frontend components with Python-based backend services and APIs. Optimise application performance for large datasets, leveraging efficient data manipulation and visualisation techniques. Qualifications: 1–7 years of professional software engineering experience. Strong academic background from a leading university. Deep experience with modern JavaScript frameworks (React preferred), TypeScript, and data visualisation tools. Proficiency in Python and familiarity with data More ❯

Full Stack Engineer – New Launch Hedge Fund (L/S Equity) Location: London Type: Full-time (5 days per week on-site in Victoria) A newly launched fundamentally driven long/short equity hedge fund, focused on the European Industrials sector, is seeking a talented Engineer to join its growing London-based team. The firm, currently composed of … Integrate frontend components with Python-based backend services and APIs. Optimise application performance for large datasets, leveraging efficient data manipulation and visualisation techniques. Qualifications: 1–7 years of professional software engineering experience. Strong academic background from a leading university. Deep experience with modern JavaScript frameworks (React preferred), TypeScript, and data visualisation tools. Proficiency in Python and familiarity with data More ❯

Senior Full Stack (Backend) Engineer | Build Scalable Systems at Speed We’re looking for a Senior Full Stack (Backend) Engineer who loves solving complex problems and building elegant, scalable systems that power real-world products. You’ll have the freedom to make architectural decisions, improve developer experience, and shape the backbone of our platform. What You’ll Do More ❯

Senior Full Stack (Backend) Engineer | Build Scalable Systems at Speed We’re looking for a Senior Full Stack (Backend) Engineer who loves solving complex problems and building elegant, scalable systems that power real-world products. You’ll have the freedom to make architectural decisions, improve developer experience, and shape the backbone of our platform. What You’ll Do More ❯