801 to 825 of 1,293 Software Engineering Jobs in London

help us build the next generation of customer interactions—powered by data, AI, and a passion for making healthy living simple and accessible. We're looking for a Senior Software Engineer to join our mission-focused engineering squad and help us bring this ambitious vision to life. What You'll Be Doing Collaborate within an agile, cross-functional … team of frontend and backend engineers, product managers, and engineering leaders. Partner closely with teams across Design, Data, and Customer Service to deliver seamless AI-driven customer experiences. Shape and deliver a roadmap that drives the digital transformation of a beloved 150-year-old brand. Define and track success metrics that showcase your team's impact. Thrive in a … occasional in-person team days and visits to our London (Oxford Street), Nuneaton, or Amsterdam offices to connect, collaborate, and celebrate milestones. Key requirements: What You'll Bring Proven software development experience with TypeScript, Go, Python , or similar languages. Hands-on experience with OpenAI or other large language models (LLMs) . Strong understanding of RDBMS and NoSQL databases (e.g. 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 ❯

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 ❯

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 ❯

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 ❯

Full Stack Software Engineer - AI/ML Full Stack Software Engineer - AI/ML The location of the role is London (hybrid working) . The duration of the contract is 6 months . The pay rate on offer is £750 - £880 per day (via Umbrella - inside IR35) . Key skills: Python, generative AI, language models/NLP, AI … ML, front end development Summary Competitive candidates will have a track record of writing and shipping quality, well-documented and well-tested software in the AI/ML industry. We are looking for candidates with experience in the field of Responsible AI, preferably for generative AI or language applications. In addition to ML engineering and data science skills … Perform user research to understand the application's risks and failure modes. Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high quality software implementations according to best practices and expected to participate in code reviews. Liaise with other technical staff and data engineers in the team and across allied teams, to build More ❯

Job Title: Embedded Firmware Engineer Location: West London (Full-time, Permanent) Salary: £50,000–£60,000 + hybrid working and benefits About the Company: A leading technology innovator is seeking an Embedded Firmware Engineer to join their growing team. Specializing More ❯

Job Title: Embedded Firmware Engineer Location: West London (Full-time, Permanent) Salary: £50,000–£60,000 + hybrid working and benefits About the Company: A leading technology innovator is seeking an Embedded Firmware Engineer to join their growing team. Specializing More ❯

Job Title: Embedded Firmware Engineer Location: West London (Full-time, Permanent) Salary: £50,000–£60,000 + hybrid working and benefits About the Company: A leading technology innovator is seeking an Embedded Firmware Engineer to join their growing team. Specializing More ❯

Senior Software Engineer (MongoDB/Django) 6-Month Contract Outside IR35 Fully Remote About the Role Were looking for a Senior Software Engineer with deep expertise in MongoDB to help solve complex integration challenges between Django and MongoEngine within a live production environment. This is a hands-on engineering role, suited to someone who can move beyond … theory designing, implementing, and optimising real-world solutions that enhance the performance, scalability, and maintainability of our data layer. Youll join a collaborative engineering team and act as a subject-matter expert in MongoDB usage, schema design, and data interaction patterns within Django applications. What Youll Do Design and implement solutions that improve how Django and MongoDB interoperate. Review … on effective MongoDB usage patterns and integration strategies. Help evolve internal tooling, libraries, and data access layers to streamline development. What Were Looking For Proven experience as a Senior Software Engineer with a strong focus on backend systems and database design. Advanced MongoDB knowledge schema design, aggregation pipelines, performance tuning, replication, and indexing strategies. Strong experience with Django and More ❯

About Faculty At Faculty, we transform organisational performance through safe, impactful and human-centric AI. With more than a decade of experience, we provide over 350 global customers with software, bespoke AI consultancy , and Fellows from our award winning Fellowship programme . Our expert team brings together leaders from across government, academia and global tech giants to solve the … learn from, some of the brilliant minds who are bringing Frontier AI to the frontlines of the world. About the Role We're looking for a full-stack Senior Software Engineer to work in our Customer Development team on our ground-breaking Frontier platform. Your role will focus on scaling our Decision Intelligence offering - providing AI capabilities across high … Customer Development team, you'll lead the technical delivery of customer-facing projects, working as part of small, cross-functional teams. You'll collaborate directly with customers and their engineering teams to understand their systems and data, and help integrate Frontier into their workflows. This often includes extending or adapting our frontend, backend, and infrastructure-as-code components, as More ❯

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 that helps millions manage how they earn, save, and spend from one … Real users. Real outcomes. I’ve seen a lot of roles, and this one stands out because the mission isn’t a veneer. It runs through product, data, and engineering decisions day to day. Why this is worth your time Work that matters. You’ll ship features that improve financial wellbeing for people who actually need it. Scale that … and data you can do 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 scalability, evolve architecture, and still ship. More ❯

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 that helps millions manage how they earn, save, and spend from one … Real users. Real outcomes. I’ve seen a lot of roles, and this one stands out because the mission isn’t a veneer. It runs through product, data, and engineering decisions day to day. Why this is worth your time Work that matters. You’ll ship features that improve financial wellbeing for people who actually need it. Scale that … and data you can do 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 scalability, evolve architecture, and still ship. More ❯

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 that helps millions manage how they earn, save, and spend from one … Real users. Real outcomes. I’ve seen a lot of roles, and this one stands out because the mission isn’t a veneer. It runs through product, data, and engineering decisions day to day. Why this is worth your time Work that matters. You’ll ship features that improve financial wellbeing for people who actually need it. Scale that … and data you can do 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 scalability, evolve architecture, and still ship. More ❯

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 that helps millions manage how they earn, save, and spend from one … Real users. Real outcomes. I’ve seen a lot of roles, and this one stands out because the mission isn’t a veneer. It runs through product, data, and engineering decisions day to day. Why this is worth your time Work that matters. You’ll ship features that improve financial wellbeing for people who actually need it. Scale that … and data you can do 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 scalability, evolve architecture, and still ship. More ❯

and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product, and architecture – designing services, writing … mind – always Write and maintain automated unit and integration tests within our CI/CD pipeline Contribute to technical planning, estimation, and documentation Continuously improve our development processes and engineering standards WHAT YOU’LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding More ❯

and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product, and architecture – designing services, writing … mind – always Write and maintain automated unit and integration tests within our CI/CD pipeline Contribute to technical planning, estimation, and documentation Continuously improve our development processes and engineering standards WHAT YOU’LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding More ❯

and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product, and architecture – designing services, writing … mind – always Write and maintain automated unit and integration tests within our CI/CD pipeline Contribute to technical planning, estimation, and documentation Continuously improve our development processes and engineering standards WHAT YOU’LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding More ❯

and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product, and architecture – designing services, writing … mind – always Write and maintain automated unit and integration tests within our CI/CD pipeline Contribute to technical planning, estimation, and documentation Continuously improve our development processes and engineering standards WHAT YOU’LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding More ❯

team and are looking to speak with motivated individuals looking to build a successful career in recruitment! Our client are a highly successful global recruitment agency specialising in blockchain, software engineering and IT . But dont worry, you dont need prior knowledge as they will teach you all you need to know in their intensive learning and development … your earning potential, progress your career and be rewarded with additional incentives along the way. Why join? Uncapped commission structure up to 40% Investment in leading recruitment technology and software Vitality health insurance Discounted gym membership Shopping dashes Spin the wheel prizes Birthday off work - (if it falls on a weekend either the Monday or Friday off) Casual dress More ❯

team and are looking to speak with motivated individuals looking to build a successful career in recruitment! Our client are a highly successful global recruitment agency specialising in blockchain, software engineering and IT . But dont worry, you dont need prior knowledge as they will teach you all you need to know in their intensive learning and development … your earning potential, progress your career and be rewarded with additional incentives along the way. Why join? Uncapped commission structure up to 40% Investment in leading recruitment technology and software Vitality health insurance Discounted gym membership Shopping dashes Spin the wheel prizes Birthday off work - (if it falls on a weekend either the Monday or Friday off) 32 days More ❯

team and are looking to speak with motivated individuals looking to build a successful career in recruitment! Our client are a highly successful global recruitment agency specialising in blockchain, software engineering and IT . But dont worry, you dont need prior knowledge as they will teach you all you need to know in their intensive learning and development … your earning potential, progress your career and be rewarded with additional incentives along the way. Why join?: Uncapped commission structure up to 40% Investment in leading recruitment technology and software Vitality health insurance Discounted gym membership Shopping dashes Spin the wheel prizes Birthday off work - (if it falls on a weekend either the Monday or Friday off) 1 extra More ❯

team and are looking to speak with motivated individuals looking to build a successful career in recruitment! Our client are a highly successful global recruitment agency specialising in blockchain, software engineering and IT . But don’t worry, you don’t need prior knowledge as they will teach you all you need to know in their intensive learning … your earning potential, progress your career and be rewarded with additional incentives along the way. Why join? Uncapped commission structure up to 40% Investment in leading recruitment technology and software Vitality health insurance Discounted gym membership Shopping dashes Spin the wheel prizes Birthday off work - (if it falls on a weekend either the Monday or Friday off) 1 extra More ❯

firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. You will join a 5-strong Data Engineering team in a Senior Individual Contributor capacity, working directly with Quant Researchers, Portfolio Managers and Traders, and designing and engineering the ingestion, storage, transformation and distribution of tick More ❯

firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. You will join a 5-strong Data Engineering team in a Senior Individual Contributor capacity, working directly with Quant Researchers, Portfolio Managers and Traders, and designing and engineering the ingestion, storage, transformation and distribution of tick More ❯