126 to 150 of 172 Senior Full-Stack Engineer Jobs in London

WeMaintain is seeking a Senior Fullstack Engineer to own product features from concept to production in a fully remote European setup. You’ll work across the stack with a TypeScript-based architecture, collaborating with product, engineering leadership and field teams to deliver scalable maintenance ...

Experis in London/Remote is seeking a Quality Engineer - FullStack to lead testing strategy and raise software quality across releases. This 12-month umbrella contract provides a flexible London/remote setup, with responsibilities focused on defining standards and guiding release decisions. You will work across teams ...

Ports North is looking for a talented Senior Fullstack Software Engineer to join their product engineering team. The ideal candidate will work primarily on backend services while also contributing to frontend applications, designing scalable systems, and collaborating with international teams. This remote position requires strong expertise ...

Applied Intuition UK in London is seeking a Senior Fullstack Engineer to join our UK team. You will design and ship production software spanning front-end and back-end, ensuring coherence with the broader product line. You will work closely with designers and product managers, owning ...

thoughtfully rather than rewriting it, and being trusted to deliver without heavy supervision, this role will feel unusually well-matched. The role As Senior Fullstack Software Engineer, you will help design, build and maintain the production systems that power Outsmart’s platform. You’ll work closely … systems that matter. The environment We are a small, intellectually serious company. That has advantages and responsibilities. You will: Speak directly with senior decision‐makers when needed Operate without perfect documentation Balance speed with long‐term maintainability This role suits someone comfortable with autonomy, accountability and cross‐functional ...

Millennium is seeking a Full Stack Developer for Treasury Technology. You will partner with stakeholders, develop Treasury applications and own delivery timelines in a global tech environment. The role requires hands ...

hiring hyper-talented people who want to work at the forefront of AI and revolutionise an industry. At a glance Role: Senior Fullstack Engineer Location: London, UK (Hybrid, in-person 4 days per week) Team: Engineering Compensation: Top of market. Competitive base + OTE The role ...

built for performance from day one. Every campaign is measurable, optimised in real time, and designed to scale. With in-house tech, full-stack analytics, and a compliance-first mindset, we give our partners an edge. We drive confident decisions and growth in regulated and high … team is growing and we'd love you to grow with us. We're looking for a Senior Full Stack Engineer to help shape and scale our technology platform as we pursue our ambitious vision. In this role, you'll take ...

companies can actually use? That's what our Cloud team is building. We're looking for a Senior Full Stack Engineer to take ownership of significant parts of that platform. The opportunity You'll work across the stack, from … gets built and the technical decisions we make as we scale. What we're looking for You'll have substantial commercial full-stack engineering experience and a track record of building high-quality production software. You'll bring: Strong React and modern TypeScript Strong Python , ideally ...

Humaans is building the next generation of infrastructure for the workplace; software designed for companies that are scaling fast, operating globally, and pushing into new boundaries. What started as a system of record has evolved ...

AtkinsRéalis Nuclear is seeking a Senior Full Stack Engineer to shape and develop XR products that connect field teams with project information, digital work packs, asset data and spatial models. You will balance hands-on development with technical leadership across web, cloud ...

looking for a Lead Full Stack Engineer to join us in London. You will join Liberty Global's AI Platform team in London, working directly with the VP Software Engineering to build and evolve the next generation platforms that power AI driven experiences across … leadership role for someone who enjoys solving complex engineering challenges and influencing how platforms are designed and built. As one of the most senior engineers in the team, you will help shape architectural decisions, define engineering standards and build production software that operates securely and reliably at enterprise ...

Fosse Associates is seeking a Senior Full Stack Software Engineer to own a production SaaS platform and help shape product strategy in a London hybrid setting. You will design and scale full-stack apps using TypeScript, React, Next.js, Go and Python on AWS, while building AI-powered features and AI tooling for enterprise customers. ...

Mimica, a fully remote-first AI-powered process intelligence platform, is seeking a senior software engineer to join the Mapper Team. You will own projects end-to-end, build data-visualisation features and real-time frontend services, and help shape the technical direction of the Engineering ...

Experian, we’re redefining employment and income verification, and we need a Fullstack Engineer who thrives in a TDD-first, product-driven environment. Reporting into our Engineering Director you'll work across frontend and backend, pair-programming with a collaborative team to ship high-quality, impactful features. Although … Playwright) Backend: TypeScript, Vitest, TypeORM, Python, FastAPI, SQLAlchemy, pytest, Docker Compose Experience and Skills Experience as a full stack engineer An end-to-end systems-mindset; we are building a product that should grow itself and require minimal intervention from our team Experience working ...

Data Science Festival is seeking a .Net Developer to take ownership of a core product platform that evolves with the organization. This senior role is primarily focused on enhancing the platform to deliver interactive experiences. You will closely collaborate with product, design, and engineering teams to improve features ...

About the Job you are considering:We are hiring a Senior Full Stack Engineer AI , AIML focused with strong technical leadership to join our team in Sheffield This role is hands on and suited to someone who can lead by example partner … Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time.Your Role:Senior full stack engineering capability with a strong frontend foundationReactJS and TypeScriptStrong backend engineering mindset API design integration performance securityAIML engineering skills ...

Capsa AI is looking for a Senior Fullstack Engineer to take ownership of product features and enhance the development process. You will work primarily in London in a hybrid role, responsible for delivering value across all layers of our application. The ideal candidate has a strong ...

Engineers will work within a complex production environment, combining deep technical expertise with strong capital markets knowledge. Responsibilities Design, develop, and support full-stack solutions across frontend and backend components. Build and enhance event-driven trading and post-trade applications. Contribute to architecture and technical design ...

About the Role This is a hands-on senior individual contributor role within Champion Data's Technology function, delivering reliable, secure and maintainable software through AI-native engineering. The role has a front-end focus, building polished, high-performing user interfaces for Champion Data's sports data products … supported by solid capability across back-end services and cloud infrastructure. The engineer works directly in code, uses AI coding agents as a core part of design, build, test, review and improvement, and retains accountability for correctness, security and quality. They collaborate with product, design, delivery and engineering ...

Oritain is a global leader in forensic origin verification, based in London. We seek an Experienced Product Engineer to design and deliver customer-facing applications and APIs, spanning backend services and modern front-end experiences in a cloud-native Azure environment. You will collaborate with cross-functional teams ...

FlexTrade is seeking a Senior Web Developer to join the FlexONE team and own critical product surfaces across web and mobile apps. You’ll work end-to-end on a Scala + Play backend and a React + AG-Grid frontend, using gRPC for communication with our core ...

client is a global investment management company. Job Title Senior Full Stack Software Engineer The Role Our client, one of the world's largest investment management companies, serves individual investors, institutions, employer-sponsored retirement plans, and financial professionals click apply for full ...

growing engineering company in Greater London is seeking a Senior Fullstack Software Engineer responsible for designing, building, and maintaining critical production systems. The role emphasizes ownership, systems thinking, and high-quality engineering on mature platforms. The ideal candidate will have 8-15 years of experience, strong … complex legacy code. This position offers an opportunity to make architectural decisions and contribute to the company's operational growth, while working alongside senior decision-makers. #J-18808-Ljbffr ...

serverless applications into AWS cloud Exceptional communication skills within the team and across technical and non-technical stakeholders A passion for mentoring junior engineer, sharing knowledge, and cultivating a collaborative learning environment Flexible and adaptable problem-solving skills, capable of adjusting strategies in response to changing priorities ...