26 to 50 of 132 Senior Full-Stack Engineer Jobs in London

OpenRent Ltd. is seeking a Senior Full-stack Engineer to design and deliver scalable software solutions for the rental market. You will turn real-world problems into intuitive features used by millions. Your role will involve collaborating with various teams and mentoring ...

Conveo is seeking a Senior Full-Stack Engineer to lead the development lifecycle of our AI-powered platform. You will own features from spec to deployment, building applications where AI is central rather than an add-on. You will work directly with ...

Mellon is seeking a Senior Specialist, Full-Stack Engineer to design and build secure, scalable backend services and contribute to modern web frontends from its London base. You will own end-to-end delivery across the product lifecycle in a highly collaborative ...

Senior Full Stack Engineer (Java & React) Location: London, United Kingdom or Glasgow, Scotland (Hybrid) Help Build the Future of global STEM workforce solutions We're reimagining how organisations connect talent, technology, and opportunity. Our team is building the next-generation AI digital … entire technology lifecycle, from product discovery and solution design to deployment and continuous improvement. You will: Design, build, and operate scalable full-stack applications using Java and React Deliver intuitive, accessible, and high-performing user experiences Develop secure, resilient, and observable backend services and APIs Collaborate ...

make calls and own them. Think deeply, execute quickly: speed and rigour, not speed or rigour. The Role We're a lean, senior engineering team, which means broad scope and real ownership from day one - your work is visibly in the product, not lost in layers of process … stack, we'll cross-train you. What You'll Do As the Senior Full-Stack Engineer, you will: Work across the whole stack, picking the right layer to solve a problem in. Design the patterns and abstractions ...

Senior/Lead React AI Engineer Location: London (Hybrid - 3-4 days per week) Salary: £115,000 - £150,000 + Equity + Excellent Benefits Job Type: Permanent Build the Next Generation of AI Products We're partnering with an innovative, fast-growing technology company that … redefining how AI-powered products are built and delivered. This is an exciting opportunity for a Senior/Lead React AI Engineer to join a high-calibre engineering team developing cutting-edge AI applications used by customers globally. You'll play a pivotal role in building ...

regulated businesses. You’ll influence patterns and production health from day one and own meaningful outcomes. As a Senior Full-Stack Engineer, you’ll work across the stack, design reusable abstractions, and push for rapid iteration without sacrificing quality ...

leading AI technology company in London is seeking a Senior Full-Stack Software Engineer to develop innovative AI applications for the public sector. This role requires at least 5 years of engineering experience, specifically with React and cloud technologies. The position involves ...

Nikao Technology is seeking a Senior/Full-Stack Engineer to own end-to-end development of modern web applications on cloud platforms. You will work across front-end and back-end technologies, translating requirements into intuitive user experiences and robust functionality. ...

kind and talented team, and while some have prior security experience, many have been successful at Vanta without it. As a Senior Software Engineer on our Privacy & Data Security team based in London, you'll be an early member of our growing presence in Europe. … analyses data from those sources, and surfaces potential security threats to our customers in real time with guidance to remediate them. As a Senior Software Engineer on our Privacy & Data Security team, you’ll be responsible for setting technical direction to enable our product and infrastructure ...

leading security company in London is seeking a Senior Software Engineer with a full-stack focus. The role involves leading complex projects and mentoring a dynamic engineering team. Candidates should have 7+ years of experience and the ability to work cross-functionally ...

Onetrace Ltd is seeking a Senior Full-Stack Product Engineer to own features from concept to deployment, building scalable backend services and intuitive frontend experiences. You will shape technical decisions and champion best practices while advancing the product direction. Join a hybrid ...

Bite Engineering is looking for a Senior Software Engineer based in London. The role involves shipping features across the full stack, working on technologies like Node.js and React. The successful candidate will have at least 8 years of experience, preferably ...

Commerce, a leading open, AI-driven commerce platform, is seeking a Senior Software Engineer to own complex problems from discovery through production. This role spans backend, APIs, and data workflows, with cross‐team collaboration. You will design reliable services, work with cloud platforms, implement tests ...

Define scalable, secure, and resilient solution architectures across cloud, application, integration, and data platforms. Lead the design and delivery of cloud-native, full-stack solutions using modern frontend, backend, and API technologies across AWS and Microsoft Azure. Make pragmatic technical decisions that balance business objectives, security … Terraform), and release processes Ensure systems are secure, observable, performant, and cost-efficient. What we’re looking for Proven experience as a Full-Stack Developer delivering modern web applications across front-end and back-end technologies. Strong problem-solving skills with the ability to translate business ...

Morgansholding is looking for an experienced full-stack engineer to build and own the web platforms behind Morgan’s Grocer in the UK. You’ll ship the online storefront, APIs, and internal tools, focusing on performance and reliability for high-traffic shopping and delivery. ...

Bloomberg L.P. in London is seeking a Senior Software Engineer to join the Cross-Asset Trading Systems team. You will build a scalable, high‐volume platform using TypeScript, React and Redux, delivering features across frontend and backend services within the CATS initiative. You’ll work with ...

Java Script Works is looking for a Senior Fullstack Engineer in London, United Kingdom. The role involves building user-facing features and core system components using a tech stack that includes React, Go, Node.js, and Java. Candidates are expected to work autonomously while maintaining ...

chains. This is an exciting mix of fullstack software engineering, backend systems engineering, data engineering and data science. We are looking for a Senior Fullstack Engineer to speak the language of decarbonisation for our customers, via product. You'll join our Product Development team and contribute … implementation of our product interface and services as we build our best in class carbon accounting platform. The successful candidate will be a senior software engineer who has previously operated as a hands‐on engineer focused on building enterprise applications in collaboration with design ...

PULL UP LTD in Greater London is looking for a senior software engineer to join our core engineering team. Your role will involve designing scalable backend services and building user interfaces using TypeScript, React, and Node.js. You will also mentor junior engineers and contribute to architecture ...

Senior Software Engineer to help build next-generation technologies and scalable systems across AI, data pipelines, and full-stack work. You will join a full-stack team owning end-to-end development with opportunities to switch projects ...

Google Inc. is hiring a Senior Software Engineer, Full Stack, Publisher Optimization in London. The role requires strong full‐stack experience to develop and optimize publishing workflows, monetization strategies, and ad-Tech pipelines at scale. You will work ...

Creandum Advisor LLP is seeking a Senior Fullstack Engineer to shape WhoSampled as a standalone product within Spotify's ecosystem. Join a small team to enhance backend services, APIs, and frontend interfaces. The ideal candidate will be adept in Python (Django) and Java, with a robust ...

Xcelirate is seeking a senior Full-Stack Developer with deep PHP and frontend skills to join our team. You’ll work on scalable platforms used by thousands of users, delivering features end-to-end and maintaining code quality. You’ll own features from ideation ...

ADLIB is hiring a full-stack engineer to help build a platform that accelerates the transition away from fossil fuels for home heating. You’ll work on React/Typescript across a variety of applications, with opportunities to influence architecture and deliver ...