26 to 50 of 120 Full-Stack Engineer Jobs in the City of London

operations, algorithm research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. We're looking for a Senior Full-stack Engineer to join our Development team. Principal Accountabilities: • Build robust and scalable software for business critical, web-based applications • Build eye-catching, functional, efficient, and … or more of Ki’s core technologies • Mentor and coach colleagues in both engineering and business domain subjects Required Skills and Experience: • Experience as a mid-senior level engineer working across a modern web stack • Strong software engineering principles (SOLID, DRY, ER modelling) • Professional experience with a server-side language, ideally JVM based • Professional experience building More ❯

largest disseminator of knowledge in the world. In fact, we're probably one of the largest already. Our platforms can be viewed here: www.beamazed.media We need a software engineer to work in our growing, dynamic team. We are building internal products to help our team perform, execute and excel at their job. These tools integrate with various social … MUST have the following skills: Production level Python, including building web-based backends and APIs Building and architecting web-apps using suitable frameworks Designing, implementing, and deploying full-stack web applications Quantitative degree from a top university The following is DESIRABLE, not essential: Experience with Node.JS to a production level Familiarity with various machine learning APIs More ❯

Full Stack Engineer | Python | Typescript | React | AWS | Hybrid, London We are seeking a highly skilled Full Stack Engineer to strengthen our internal team and ensure the high quality, reliability, and continuous development of our platform. You’ll join an interdisciplinary team of machine learning experts, engineers, and scientists … We’re looking for passionate innovators who thrive on solving complex technical problems with the potential for global impact. About You You are a strong full stack engineer, proficient in TypeScript or JavaScript and Python. You have experience building high-performance, responsive web applications, and a deep understanding of HTTP protocols, REST APIs, WebSockets … dynamic, collaborative, and mission-driven work environment We are committed to building a diverse and inclusive team. We welcome applicants from all backgrounds and experiences. Full Stack Engineer | Python | Typescript | React | AWS | Hybrid, London More ❯

A leading AWS Premier Consulting Partner is seeking a Lead Full Stack Engineer to join its growing technical team. As a key member of this cloud-native consultancy, you'll work on innovative digital solutions for a diverse range of clients – from fast-growing start-ups to established enterprises. You’ll bring technical leadership More ❯

Senior Full Stack Engineer Salary £80k to £85k + Bonus and excellent pension/benefits Location: Central London About the client Our client is an infrastructure communications technology company providing end-to-end fibre solutions and now Cloud solutions, Wi-Fi, Firewalls/Security, SD WAN, Managed LAN and UC services for businesses and … wholesale/carrier/channel organisations across London. What you will do: We are looking for a Senior Full Stack Engineer to own end-to-end delivery of critical features, drive architectural excellence, and establish best practices. You ll work hands-on across React, Node.js, and Python services, own our CI/CD and … with product, operations and customer success to translate requirements into robust technical solutions. A good fit candidate will have: 5+ years hands-on as a full stack engineer in a SaaS environment Expert in React (hooks, state management, performance) Strong backend skills in Node.js (Express) and Python (FastAPI, Celery) Deep familiarity with Microsoft Azure More ❯

mission is to combine premium consulting with deep technology and data knowledge to add value to our clients. The opportunity: Valcon UK is seeking a Full Stack Engineer to join our growing Software Engineering capability within our Technology Practice. We’re at the forefront of empowering the future of work, helping organisations of all More ❯

Software Engineer – NodeJS TypeScript Salary: Up to £100'000– plus bonus NodeJS, React, JavaScript, TypeScript, React Framework, NextJS, Azure, Kubernetes, Docker, Digital Investments. SQL, Harrington Starr has partnered with an innovative Digital Investment & Crypto Currency house that specialise in developing unique software systems for Crypto Trading, Risk Management and Data Systems are now in the market for a … NodeJS Software Engineer with experience using React Framework. This is an exciting opportunity to join and Lead the Software Development lifecycle for Crypto Trading and Risk Management within the organisation. This is a Greenfield project and we are looking for a Hands on Software Engineer where you will utilise the JavaScript ecosystem. This organisation are developing More ❯

Full Stack Developer Pearson Carter are currently working with a start up in the financial services industry who have grown to a decent size, have just raised multi million pounds worth of funding and about to More ❯

Senior Full Stack Engineer | $60m BioTech Startup - Synthetic Biology 💻 Senior Full Stack Engineer 🧬 $60m funded BioTech - Revolutionary synthetic biology 💰 Industry leading compensation package - Enquire for details 📍 3 Days per week - Central London ⚙️ Stack: Typescript, React, Python, WebGL (3d rendering), K8s, AWS I'm working with an … synthetic biology. This will unlock new possibilities in medicine, anatomical understanding, drug development and general biological research for generations. We are looking for a Senior Full Stack Engineer, proficient in a Typescript, React and Python based stack with Kubernetes and AWS . Experience with 3D rendering and visluatisation (e.g WebGL) and industry … of engineers using tech to advance human understanding and unlock new possibilities in areas such as molecular biology and genetic engineering. Are you a Senior Full Stack Engineer keen to contribute to the future of biological research and understanding? Apply within or reach out to James for more information on the role and compensation. More ❯

Our mission is to bring the intelligence of modern machine learning directly to the in-store shopping experience. Role: We’re looking for an experienced Full Stack Engineer to work closely with product, design, mobile, and machine learning team members to design & build experiences that re-define in-store shopping. You'll help help … Integrate AI-driven personalisation and real-time insights into user flows Contribute to overall system design: service boundaries, data ownership, scaling, and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication More ❯

Full Stack Engineer/Developer (Java Angular SQL API) London/WFH to £90k Are you full stack technologist? You could be progressing your career in a hands-on, impactful, Senior Full Stack Developer role, working on a 'tech for good' product that is helping to … a highly complex real-time shift rota application, hosted on AWS and available via the web or mobile device (iOS/Android). As a Full Stack Engineer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You … software engineering best practices and Agile development methodologies You're collaborative and pragmatic with great communication skills What's in it for you: As a Full Stack Engineer/Developer you will receive a competitive package: Salary to £90k Pension 25 days holiday Excellent career progression to Technical/Team lead Apply now to More ❯

Founding Full Stack Engineer London-based | Remote-friendly | Equity + competitive salary Our startup client is looking for Employee #1 on the tech side of their AI-driven social care platform. Work directly with experienced founders, own technical architecture, lead scalability efforts, and help build the future tech team while making a real impact. More ❯

We are looking for Fullstack Developer for our client's project based at London, UK– Hybrid Rates: 270 GBP per day Inside IR35 Role Description: As it is full stack requirement, Angular is must to have More ❯

Full Stack Developer – £60,000 – Remote (UK ONLY) We’re looking for a Full Stack Developer to join a growing, well-structured web applications team delivering internal tools and client-facing platforms. More ❯

FULLSTACK ENGINEER -SaaS STARTUP- NODE, REACT, TYPESCRIPT, JAVASCRIPT About the Company: We've partnered with a high growth SaaS company having recently completed their Series A and are scaling. They have built an insights and analytics platform already being used by some of the worlds biggest brands. You'll deliver nascent technology revolutionising how brands engage with new … audiences! About the Role: We are hiring an experienced Fullstack Engineer with a strong flair for data to join their team and help shape the future of their platform. You'll be responsible for mentoring junior engineers, leading projects end2end and assigning work throughout the team. On top of the technical leadership, we're also looking for someone … being a team player! Technologies include Node, React, AWS, Typescript ,Javascript, Kubernetes, Docker and more. Location: The role is hybrid, working out of their central London offices. FULLSTACK ENGINEER - SaaS STARTUP - NODE, REACT, TYPESCRIPT, JAVASCRIPT, AWS, FULLSTACK More ❯

Join a fast-growing health tech company using AI to solve high-impact, real-world problems. Building tools that help frontline professionals reduce admin and focus on delivering care, my client are looking for engineers who want their code to More ❯

The Role: We’re looking for a Senior Full stack Engineer with a strong background in analytics, data pipelines, and marketing automation . You’ll lead the development of data-driven features , enabling enterprises to measure and optimize their digital business card interactions. As part of this role, you’ll help migrate our backend More ❯

I am exclusively working with an Online Marketplace (C2C) who are looking for a Senior Full-Stack Engineer to join their team! You'll predominately be brought on board to work on their core platform and online marketplace. They are a Certified B CORP Organisation as well! They are forward thinking, collaborative and team … this company for a number of years and its a fantastic opportunity to join a really great team! They are looking for a Senior Engineer - Full-Stack and working on both the front and backend They are FULLY REMOTE and do not have office expectations. With this in mind, you'll need to be More ❯

Backend-Leaning Full-Stack Engineer – AI x LegalTech | £150,000 + Equity | 5 Days/Week in Central London A high-growth AI startup is redefining one of the world’s most complex industries with cutting-edge generative models and large-scale data systems. They’re hiring a backend-leaning full-stack engineer to build the infrastructure powering novel, AI-driven workflows, from scratch. 💰 What’s on offer: • Up to £150,000 salary + equity • Full visa sponsorship + generous relocation support • Greenfield AI product work in a high-autonomy environment 🔍 What you’ll be doing: • Architect secure, scalable backend infrastructure • Build and maintain data pipelines … product and engineering direction ⚙️ Tech environment: Python, PostgreSQL AWS, Docker, Microservices CI/CD pipelines, Secure system design 🎯 You bring: • 3+ years’ experience as a backend or full-stack engineer • Strong proficiency in Python and relational databases (PostgreSQL) • Experience building distributed systems or data platforms • Bonus: hands-on with AWS, Docker, CI/CD More ❯

Frontend-Leaning Full-Stack Engineer – AI x LegalTech | £150,000 + Equity | 5 Days/Week in Central London One of Europe’s fastest-growing AI startups is building next-gen tools that are redefining how legal professionals work with complex information. They’re hiring a frontend-leaning full-stack engineer to help craft novel UX for AI-powered workflows, a space where no design playbook exists yet. 💰 What’s on offer: Up to £150,000 salary + equity Generous relocation support Greenfield AI product work with real-world user impact 🔍 What you’ll be doing: Design and build human-centric UIs using React + TypeScript … WYSIWYG editors, CI/CD pipelines 🎯 You bring: Deep frontend expertise and a strong sense for UX Experience with scalable component systems and performant UIs Comfort working full-stack in a fast-paced, high-ownership environment Excited to define the future of AI user interfaces - and ship fast? Apply now More ❯

to intuitive frontend experiences (React) - and collaborate closely with product, design, and AI engineering teams to deliver real user impact. Ideal candidates will have: 5+ years of full-stack experience with Python and modern JavaScript frameworks (React/Next.js preferred) A product mindset, strong technical fundamentals, and ability to move quickly in a start-up setting More ❯

We’re partnering with a mission-driven HealthTech company to find a talented Full-Stack Engineer. This role offers the chance to contribute to the development of a cutting-edge AI platform that transforms patient care through predictive analytics. As a key member of a collaborative engineering team, you'll work across the stack … applications that support proactive healthcare delivery. Ideal for someone passionate about using technology to solve real-world challenges in the healthcare space. We are looking for a Fullstack Engineer who will work across our internal tools and data platforms, with a strong focus on implementing robust security practices and scalable architectures while collaborating with various teams to deliver More ❯

.NetCore, SQL, Microservices London – Perm Role Fin-Tech - Portfolio management – £50000 - £80000 Harrington Starr has partnered with a Software Provider that is looking to hire a Senior Software Engineer with FullStack Development experience using Angular and Angular Material and C#, .NET Core to come and work on a Greenfield Project where you will take full ownership … on a major UI project. This is a great opportunity for a Full Stack Software Engineer to take the next step where you will join a highly dynamic and collaborative Development team As a Software Engineer you will join the team and be responsible for both high level and low level technical More ❯

Senior Full Stack AI Engineer | Node.js | React.js | LLMs | Remote Europe | Up to £100K Maze is proud to be partnering on a retained basis with one of the fastest-growing platforms in the creator economy … space to hire a Senior Full Stack AI Engineer . This is a high-impact role for an expert Full Stack Engineer with demonstrable experience implementing AI models in production. Key Requirements Subject Matter Expert (SME) with Typescript, Node.js, React, Next.js Strong experience with LLMs, Image/Video More ❯

Full Stack Engineer (React/JavaScript) – Early-Stage Construction Tech Start-up Digitech are partnered with a profitable early-stage start-up building modern software to transform how the construction industry operates — streamlining project tracking, collaboration, and compliance from the ground up. They are looking for a talented Full Stack Engineer with strong front-end skills in JavaScript and some backend experience (python, node, java) You’ll be one of our first technical hires and will have the opportunity to help shape both their product and our engineering culture. What you’ll do: Own and build core product features across the stack, with a More ❯