526 to 550 of 1,078 Software Engineer Jobs in London

Forward Deployed Software Engineer AI & Robotics London (On-site) | Up to 120k + equity + 7% employer pension Free meals | Private health & dental | High-growth AI startup The Opportunity Join a mission-driven AI company building the software that powers the next generation of autonomous systems and robotics. Youll work hands-on with customers to deploy and … complex real-world environments, from defence to autonomous operations. Expect high ownership, technical depth, and direct impact from day one. What Youll Do Deploy and integrate AI and robotics software in customer environments Collaborate across AI, robotics, and systems teams to deliver scalable solutions Write production-grade code in Python, C++ or Java , plus React/TypeScript for tooling More ❯

Forward Deployed Software Engineer AI & Robotics London (On-site) Up to 120k + equity + 7% employer pension Free meals Private health & dental High-growth AI startup The Opportunity Join a mission-driven AI company building the software that powers the next generation of autonomous systems and robotics. Youll work hands-on with customers to deploy and … complex real-world environments, from defence to autonomous operations. Expect high ownership, technical depth, and direct impact from day one. What Youll Do Deploy and integrate AI and robotics software in customer environments Collaborate across AI, robotics, and systems teams to deliver scalable solutions Write production-grade code in Python, C++ or Java , plus React/TypeScript for tooling More ❯

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 is a great opportunity for someone passionate about automation, exploratory … to-end tests Conduct exploratory 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 scenario testing Exploratory testing Desirable … Low Latency experience Low Level coding What We are Looking For: Strong communication skills – comfortable engaging with technical & non-technical teams Inquisitive mindset – you enjoy finding ways to "break" software Proactive & self-driven – you shape your role and seek improvements Adaptable – able to pivot with changing priorities and requirements No sponsorship provided. More ❯

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 is a great opportunity for someone passionate about automation, exploratory … to-end tests Conduct exploratory 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 scenario testing Exploratory testing Desirable … Low Latency experience Low Level coding What We are Looking For: Strong communication skills – comfortable engaging with technical & non-technical teams Inquisitive mindset – you enjoy finding ways to "break" software Proactive & self-driven – you shape your role and seek improvements Adaptable – able to pivot with changing priorities and requirements No sponsorship provided. More ❯

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, mentoring teammates, and ensuring best practices across the development lifecycle. … for non-technical colleagues. Experience 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 to completion, often involving multiple team More ❯

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 with some Low Latency experience. Job Overview You will 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 as a Senior Software Engineer C++, you will be a proponent of agile methodology and … modern software best practices. You can produce detailed technical work in OOP and work with other members of the Development team to produce code of high-quality standards. Ideally, you should have worked in critical systems development in the past. Responsibilities and Duties Codes, tests, integrates, and documents software. Provides technical leadership to more junior employees and other teams. More ❯

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 with some Low Latency experience. Job Overview You will 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 as a Senior Software Engineer C++, you will be a proponent of agile methodology and … modern software best practices. You can produce detailed technical work in OOP and work with other members of the Development team to produce code of high-quality standards. Ideally, you should have worked in critical systems development in the past. Responsibilities and Duties • Codes, tests, integrates, and documents software. • Provides technical leadership to more junior employees and other teams. More ❯

Java Software Engineer Our client, a fast-growing payments technology company building next-generation solutions that power seamless, secure transactions around the world are seeking talented Java Engineers to join their collaborative and high-performing engineering team. Design and build robust Microservices using Java and Spring Boot Work on scalable, event-driven systems that process millions of transactions … Collaborate with cross-functional teams (Product, DevOps, QA) to deliver high-quality software Contribute to technical discussions, architecture decisions, and best practices Continuously improve system performance, reliability, and security Strong experience with Java (11+) and Spring Boot Experience with AWS or another cloud platform A passion for writing clean, maintainable code and solving real-world problems Hybrid setup More ❯

Job Title: SC & NPPV3 Cleared Software Engineer Organisation Overview Our Client is a leading provider of software solutions operating within a niche industry. With a strong focus on innovation and cutting-edge technology, they have built a reputation for excellence in their field. Their commitment to growth and development, coupled with a supportive and dynamic work culture … them a great place to work for driven professionals. Role Summary Due to strategic initiatives and project expansions, Our Client is looking to hire a talented SC & NPPV3 Cleared Software Engineer. This role is of paramount importance within the organisation, contributing directly to high-impact programmes in the UK public sector. As part of an agile team, you will More ❯

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 a key part in shaping systems that directly influence trading More ❯

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 a key part in shaping systems that directly influence trading More ❯

to clients. The London Market Underwriting & Reinsurance Performance team, consisting of Actuaries, Reinsurance Specialists, and Engineers, is focused on transforming the underwriting business with cutting-edge technology. As a Software Engineer, you will play a pivotal role in researching, designing, testing, developing, and supporting software solutions that drive the future of Property & Casualty underwriting. This is an … exciting opportunity to be part of a dynamic, cross-functional team working on full-stack solutions such as Underwriting Dashboards and Actuarial Model Management platforms. Core Responsibilities: Collaborate with software engineers, data engineers, and underwriters to shape the future of underwriting. Improve workflows and maintain focus on the underwriting experience. Deliver software in small, incremental releases. Drive technical … across the team. Essential Skills & Experience: Strong experience in Python (FastAPI desirable). Frontend experience with technologies such as TypeScript and React. 3+ years of experience in developing complex software solutions. Solid understanding of object-oriented programming and test-driven development (TDD, BDD). Familiarity with agile software engineering practices. Passion for continual learning and experimentation. Desirable Skills More ❯

This Salesforce Software Engineer will work closely with existing in-house technology, data and operations teams, and will play a key role in defining the overall solution design and build, and to then ensure its correct implementation. Responsibilities: Lead the design, development, and implementation of Salesforce solutions tailored to meet the specific needs of our financial services business. … resolve issues related to Salesforce configuration, customization, and integration, ensuring minimal disruption to business operations. Skills/Experience: Minimum of 6 years of experience as a Salesforce Developer or Engineer, preferably in the financial services sector. Extensive knowledge of the Salesforce platform, including Apex, Visualforce, Lightning Components, Lightning Web Components and Salesforce APIs. Good Knowledge on Sales Cloud, Service … Cloud, Experience Cloud. Additional Knowledge on Geogrid, Google Maps or Esri maps implementation along with Salesforce Managed packages such as Conga , Conga Batch , Salesforce Maps. Agile Software Project Management methodologies such as SCRUM and experienced on Dev Ops tools such as ADO Boards and Jira for tracking purpose and project management purpose. Strong understanding of Salesforce architecture, data modeling More ❯

Full-Stack Software Engineer – C# .NET Business area: Platform Development team Permanent, Hybrid working Located: London, City *Priority hire, so moving quickly!* Talensa are working with a market leading Financial Trading platform company in the City looking to add a talented C# .NET developer to support and drive through platform maintenance, development and innovative solutions for their Institutional … great role, team and platform to work with!! Key tasks and responsibilities · Development and Testing: Develop new features, write unit and E2E tests and maintain the company's main software platform. · Coding Practices and Quality: Follow industry coding standards, striving for high-quality, self-documented code. · Debugging and Troubleshooting: Analyze issues, debug critical errors, and resolve bugs. · Better Engineering More ❯

Full-Stack Software Engineer – C# .NET Business area: Platform Development team Permanent, Hybrid working Located: London, City *Priority hire, so moving quickly!* Talensa are working with a market leading Financial Trading platform company in the City looking to add a talented C# .NET developer to support and drive through platform maintenance, development and innovative solutions for their Institutional … great role, team and platform to work with!! Key tasks and responsibilities · Development and Testing: Develop new features, write unit and E2E tests and maintain the company's main software platform. · Coding Practices and Quality: Follow industry coding standards, striving for high-quality, self-documented code. · Debugging and Troubleshooting: Analyze issues, debug critical errors, and resolve bugs. · Better Engineering More ❯

Full-Stack Software Engineer – C# .NET Business area: Platform Development team Permanent, Hybrid working Located: London, City *Priority hire, so moving quickly!* Talensa are working with a market leading Financial Trading platform company in the City looking to add a talented C# .NET developer to support and drive through platform maintenance, development and innovative solutions for their Institutional … great role, team and platform to work with!! Key tasks and responsibilities · Development and Testing: Develop new features, write unit and E2E tests and maintain the company's main software platform. · Coding Practices and Quality: Follow industry coding standards, striving for high-quality, self-documented code. · Debugging and Troubleshooting: Analyze issues, debug critical errors, and resolve bugs. · Better Engineering More ❯

Full-Stack Software Engineer – C# .NET Business area: Platform Development team Permanent, Hybrid working Located: London, City *Priority hire, so moving quickly!* Talensa are working with a market leading Financial Trading platform company in the City looking to add a talented C# .NET developer to support and drive through platform maintenance, development and innovative solutions for their Institutional … great role, team and platform to work with!! Key tasks and responsibilities · Development and Testing: Develop new features, write unit and E2E tests and maintain the company's main software platform. · Coding Practices and Quality: Follow industry coding standards, striving for high-quality, self-documented code. · Debugging and Troubleshooting: Analyze issues, debug critical errors, and resolve bugs. · Better Engineering More ❯

time to join our business. We are on an exciting growth journey to become the UK's most loved retirement expert. The Role We're looking for a Senior Software Engineer to join one of our multidisciplinary, cross-functional, lean delivery squads, focused on rapidly delivering value to our customers through our mobile app and website. Our ideal … right way. You will lead by example; getting your hands dirty in the code, inspiring your peers & helping to educate your stakeholders. You are passionate about the craft of software development and contribute to technical and non-technical discussions that help shape the direction of digital product delivery. You are able to work independently, as well as collaboratively, on … user stories within an agile delivery environment and are versed in modern software delivery practices. You care about creating quality software that delivers value to consumers, in a thoughtfully pragmatic way. As well as contributing to production-grade code bases, you will also be keen to help shape the vision for the product, happy to mentor and upskill More ❯

Senior Software Engineer - London - £120k Please note - this role will require you to work from the London based office three days per week. You must have the unrestricted right to work in the UK to be eligible for this role - this organisation is not able to offer sponsorship. Are you passionate about building cutting-edge technology solutions that … building out our new front-end analytics platform, delivering intuitive, high-performance tools that empower users with real-time insights and advanced visualization capabilities. Collaborate with commercial teams to engineer and optimize processes and analytical models. Build and maintain Python-based services and APIs using modern frameworks and best practices. Develop solutions for data modeling, market analysis, and position More ❯

Senior Software Engineer - London - £120k Please note - this role will require you to work from the London based office three days per week. You must have the unrestricted right to work in the UK to be eligible for this role - this organisation is not able to offer sponsorship. Are you passionate about building cutting-edge technology solutions that … building out our new front-end analytics platform, delivering intuitive, high-performance tools that empower users with real-time insights and advanced visualization capabilities. Collaborate with commercial teams to engineer and optimize processes and analytical models. Build and maintain Python-based services and APIs using modern frameworks and best practices. Develop solutions for data modeling, market analysis, and position More ❯

Java Software Engineer An ambitious AI company on a mission to reshape how businesses harness the power of data and automation are seeking Java Developers who thrive in modern, cloud-native environments and want to make real impact. Design and develop high-performance microservices using Spring Boot Build scalable, cloud-based applications on AWS Collaborate with AI engineers More ❯

Principal Software Engineer Join a once in a career opportunity to help build a premium private bank from the ground up. Which is currently in stealth mode , backed by significant capital and led by a visionary team. With mobilisation underway, were assembling a lean, elite engineering team to architect and deliver a secure, scalable, multi-cloud banking platform … using modern technologies. This is a career-defining role for a polyglot engineer with deep expertise in Rust and Python , and a passion for building robust systems in highly regulated environments. What Youll Do Design and build core banking services and infrastructure using Rust , Python , and other modern languages. Develop secure, scalable systems across AWS and GCP , leveraging best More ❯

Applied AI Software Engineer - Python, Fast API, AWS, LLMs OB are partnered with a high-growth, B2B SaaS start-up who are looking to hire a highly skilled Applied AI Engineer to their Product Engineering team, where you'll pioneer the development of complex applications leveraging GenAI models. This role won't be a role focused on More ❯

Forward Deployed Software Engineer AI & Robotics London (On-site) Up to 120k + equity + 7% employer pension Free meals Private health & dental High-growth AI startup Join a mission-driven AI company building the software that powers the next generation of autonomous systems and robotics. Youll work hands-on with customers to deploy and integrate advanced … AI into complex real-world environments, from defence to autonomous operations. Deploy and integrate AI and robotics software in customer environments Collaborate across AI, robotics, and systems teams to deliver scalable solutions Write production-grade code in Python, C++ or Java , plus React/TypeScript for tooling Travel occasionally to customer sites across the UK and internationally Strong coding More ❯

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern Next.js TypeScript stack, your … Exposure to backend or full-stack development (Node.js, Express, etc.) Developing white-label applications Building internationalised applications Familiarity with frontend observability best practices (we use Datadog) Experience in agile software development methodologies Why Travelex? To remain the world’s leading foreign exchange specialist, we are focused on making our customers’ lives simpler, more engaging and hassle free while they More ❯