76 to 100 of 133 Full-Stack Development Jobs in the City of London

Software Engineer London/Hybrid | Perm Role £60,000 - £80,000 Harrington Starr has partnered with a fast-growing fintech that’s transforming how businesses manage foreign exchange and treasury operations. Their technology enables clients ...

Stack Engineer Location: London Area, United Kingdom · On-site Company Description At Affinity Labs, we’re building a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. By combining AI-native development … experiences across web and mobile. This is an early-stage, hands-on role with significant autonomy and responsibility . You will own full-stack product delivery, from infrastructure and AI integrations through to React/React Native interfaces, collaborating closely with founders, creators, product, and design ...

Strong React or React Native experience AWS serverless infrastructure and Docker experience for bespoke services Nice to Haves B2C mobile app experience Node.js development alongside Python Vector databases such as Chroma and embedding pipelines LangChain, CrewAI, or similar orchestration frameworks Practical security and data-privacy awareness Experience using … similar planning tools Experience with Gemini and/or NanoBanana Pro or any other image modelling AI systems Experience with AI-assisted development using tools like Claude Code Previous startup experience is ideal. Employee Benefits Base salary of £90,000, with a guaranteed increase post-fundraise 25 days ...

problem-solver Requirements Degree in Computer Science or a related field, or equivalent experience 5+ years of experience working with cross-functional software development teams Experience shipping and iterating on production-grade software components professionally and/or in the open-source community Ability to write robust, well … tested, and well-designed code that frequently gets deployed to users Strong understanding of product development and navigating large codebases Located in London/Paris and open to working in office Tech Stack: Python FastAPI Typescript + React Open source LLMs On premise deployments Benefits Currently ...

functional team working on high-traffic, production-grade systems. You will be responsible for building and scaling core backend services, contributing to product development, and collaborating closely with Product, Design, and AI teams. Key Responsibilities Design, build, and maintain scalable backend systems Work on high-traffic applications used … working in cross-functional teams Proactive approach with strong ownership and problem-solving ability Experience using AI tools (such as ChatGPT, Copilot) in development workflows Important Information This role involves working on a product that includes adult-oriented (NSFW) content , delivered in a professional and regulated environment. Candidates ...

Marsh is hiring a full-stack engineer to join our Innovation & Applied AI team within the DCX initiative, focused on building a competitive digital platform. The team is 20 people, primarily based in London, and were looking for someone who can significantly increase productivity while adapting … data foundations and a proven ability to apply AI at scale in real-world, production environments. The ideal candidate is a versatile full-stack data professional who thrives in complex, fast-paced environments, combining deep technical expertise with strong business acumen in retail operations and insurance ...

product decisions as well as delivery. You will be involved in: Designing and building core features across ordering, payments and discovery Backend development in Node (some python) Frontend development using Next.js, React and TypeScript AWS infrastructure, CI/CD and tooling such as Terraform Integrating ...

edge, data-intensive, event-driven systems that power real-time market data, analytics, and execution workflows — and they’re looking for a Full-Stack Python Engineer to join them. 💻 What you’ll be working on: • Designing, developing, and optimising full-stack applications … driving performance improvements 🛠️ Core tech & experience: • Strong Python expertise (Django, FastAPI) • Experience with REST APIs, WebSockets, and real-time data integration • Cloud-native development (Azure preferred) • CI/CD, automated testing, and production support • Hands-on experience with AI agents/AI-assisted development workflows 📈 Nice ...

Full-Stack Engineer Location: London (Hybrid) Salary: Up to £80,000 + benefits We have partnered with a well-funded, founder-led technology startup operating in the sports and media space, building next-generation systems for processing and analysing live content in real time. … platform scales, they’re hiring a Full-Stack Engineer to design and deliver high-performance systems across real-time data pipelines, modern frontend applications, and AI-enhanced product features. What You'll Do as a Full-Stack Engineer: Design and build resilient ...

Full Stack Product Engineer (London) We’re looking for a Full Stack Product Engineer to help build and scale a high-growth product in a fast-paced ...

Full-Stack Engineer (Mid-Level) – £75k + Equity – London (Hybrid) A well-funded AI startup based in central London is growing its engineering team and hiring a mid-level full-stack engineer. The company is focused on helping businesses integrate AI into … lean into your strengths, but you’ll have ownership across the stack. What they’re looking for 3–7 years’ experience in full-stack development Strong skills in Python and/or React/Vue Interest in AI-driven products or “AI-native” thinking ...

will be required to work through an umbrella company for the duration of the contract. I am seeking a Senior Full-Stack Engineer with several years of experience who operates as a hands-on, independent contributor and takes full ownership of building, scaling … React, Kubernetes & Docker. Experience in building responsive, component based user interfaces using modern front end frameworks. Hands on expertise in API design and development (REST/JSON), including versioning and backward compatibility. Experience with UI testing, component testing, and front end build tooling. Experience in CI/ ...

Engineer to their team. This isn’t your typical “we use AI” environment. Engineering here is genuinely LLM-first. Think day-to-day development powered by tools like Claude Code and Codex, with engineers actively shaping how AI integrates into real production workflows. 💻 What you’ll be doing … with product and data to solve complex, real-world problems • Playing a key role in evolving how the team leverages AI in software development • Mentoring and raising the bar across engineering 🧠 Tech environment • TypeScript at the core, alongside Python and Ruby • Modern backend frameworks and distributed systems • Cloud ...

Senior Full Stack Developer Stack: Django/Python, HTML/Typescript, AWS Location: London, Hybrid The Package: £70,000 - £80,000+ generous holidays + work abroad allowance My client ...

Full Stack Software Engineer | London | £60,000 - £73,000 + equity | Python | Vue.js | AI Product Location: London based, hybrid (1 day per week) A growing product led technology company is building ...

factory operating system. Key Responsibilities: Architect, design, and develop critical systems supporting factory automation, real-time data processing, and operational workflows. Own full-stack development across infrastructure, backend services, frontend interfaces, and monitoring tools. Work closely with leadership and factory-floor teams to identify ...

Also advertised as Product Engineer About the Company At Alecto, we're on a mission to fix one of the UK's most broken consumer experiences: conveyancing - the legal process behind every property transaction. Today ...

tools. Deliver high-quality, complex software that enhances and elevates the engineering standards across the bank. Contribute to every stage of the software development lifecycle, from initial development through rigorous testing and successful deployment to production. Work closely with product teams, business stakeholders, and other technical … experts to create strategic solutions that ensure seamless integration and exceptional outcomes. Key Priorities: Proficiency in Java and AWS Experience with Salesforce development and React A strong focus on engineering efficiency, including knowledge of DORA metrics, DevOps methodologies, and practices like TDD or BDD An ambitious growth mindset ...

ADRs, runbooks, READMEs Take your turn on production issues and write honest postmortems What We're Looking For Core experience 5+ years full-stack with production Node.js, Next.js, and React Native Supabase fluency, or deep enough Postgres (RLS, functions, realtime) to get there fast Shipped mobile ...

platforms like Rightmove and Zoopla, reaching millions of homeowners per year. About The Role We're looking for a strong Product Engineer (full-stack) to join our product engineering team. You'll be someone who thinks of yourself as an engineer first, with deep hands … must. What You'll Do Build polished, responsive frontend experiences using Hotwire (Turbo & Stimulus) and Tailwind CSS Design and build full-stack features across our Rails application, from database to UI Collaborate with product and design to translate requirements into intuitive, well-crafted interfaces Build ...

design and ship, and be the person clients trust when things get hard. You will also shape the standards, tooling and career development for one of our most critical pods. The work speaks for itself: a Single Customer View built on Treasure Data, advanced analytics … management and secure, repeatable deployments across both platforms. Partner cross-pod with Customer Activation, Data Science & Analytics, Marketing Automation and Full Stack Development — because we win as One Silverbullet, not as siloed teams. Own technical quality and production stability — you're the last line ...

.NET Developer, .NET 10.0, C# 14 - Computer Gaming Company - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core ...

team working on cutting-edge solutions in the broadcast and media technology space . This role combines strong backend engineering with modern frontend development, giving you the opportunity to build end-to-end systems that support video and broadcast workflows. Experience in the video or broadcast industry … production systems Collaborating with engineers, product teams, and stakeholders to deliver high-quality solutions Contributing to and improving CI/CD pipelines and development workflows Technical Skills & Experience Strong experience with C# Strong experience building modern UIs with ReactJS Building and supporting APIs and microservices Working with databases ...

reliability in every sprint. Ensuring best practices around security, authentication, authorization, and data protection. Establishing and promoting backend coding standards, tooling, and development practices. Contributing to technical strategy discussions and helping shape long-term platform architecture. Proactively identifying technical risks and opportunities for improvement as the product scales. … data modelling, and distributed systems. Experience working with databases (SQL and/or NoSQL) and caching layers. Comfortable owning systems end-to-end: development, testing, deployment, and monitoring. Strong communicator who enjoys collaborating, sharing ideas, and giving and receiving feedback. Opinionated but pragmatic, you care about building ...

Senior Full Stack Engineer | Series A | London | Up to £120k Are you a Senior Full Stack Engineer looking for your next challenge at a fast-paced, high ...