19 of 19 Permanent Senior Full-Stack Engineer Jobs in London

Senior Full-Stack Software Engineer London, England, United Kingdom (Hybrid) Senior Full-Stack Software Engineer London (Victoria) · 3 days in office · £100,000 – £120,000 · Permanent Our client is a newly launched, VC-backed … delivered. The opportunity This is a rare greenfield engineering role at a genuinely early-stage business. The successful candidate will join a small, senior founding team and take real ownership of the technical foundation from day one — building the stack, setting the architecture, and establishing ...

Senior Full-Stack Engineer/Software Developer/JavaScript Engineer (Node.js/React/Next.js – AWS Serverless) London (Hybrid – Farringdon Tues/Weds/Thurs) £85k–£90k + Bonus + Excellent Benefits Discretionary bonus (10%), Private Healthcare, 25 Days holiday … particularly interested in engineers who enjoy owning both the frontend experience and the Node.js APIs behind it. You’re a thoughtful, solutions-driven engineer who cares about architecture, performance, scalability, and long-term product impact. You don’t just close tickets, you take ownership, think systemically, and write ...

Senior Full Stack Engineer (Frontend Focus) Location: London (Hybrid) 1 day a week Salary: up to £90,000 Evantis Technology is working with a fast-growing digital marketplace platform operating in the creative/consumer space, helping them hire a Senior … high-impact features Contributing to technical discussions around architecture, scalability and product direction What they’re looking for Strong experience as a full-stack engineer with a frontend bias, particularly with modern JavaScript/TypeScript frameworks Comfortable contributing across both frontend and backend services ...

Title: Senior Full-Stack Engineer – Web Platform & Integrations Company: Broadlab Location: Covent Garden, London About Broadlab Broadlab is a dynamic, fast-growing business on a mission to simplify and optimise Addressable TV advertising on behalf of our agency partners and their clients. … analytics and optimisation logic into intuitive, performant user interfaces. Qualifications/Requirements Experience – 5+ years of professional experience in front-end or full-stack engineering, ideally within high-growth or startup environments. JavaScript Expertise – Strong fundamentals in modern JavaScript (ES6+), modular architecture, and browser behaviour. Framework ...

Senior Full Stack Engineer (Node.js/React) Location: London (Hybrid) Salary: up to £100,000 We’re working with a well-funded, early-stage startup building a next-generation, AI-powered platform in the fintech/regtech space. They’re looking … Senior Full Stack Engineer to play a key role in scaling a modern microservices architecture and shaping the future of the product. What you’ll be doing: • Designing and building scalable microservices using Node.js (Nest.js) and React • Driving an API-first architecture ...

Senior Fullstack Software Engineer Location: London (3 days in the office) Contract Type: Permanent Salary: Up to £110,000 (DOE) plus stock options, private medical/dental, and £1,200 L&D budget Build fullstack platforms that generate real social impact globally, from user-facing experiences … fastest-growing companies in the UK, combining commercial success with meaningful social good. They're looking for a fullstack software engineer to join their London team and help build platforms that have already had a huge impact on the world. If you have 4+ years of professional software ...

Join an elite engineering team building a high‐performance trading platform. Are you a seasoned Full‐Stack Engineer who thrives in highly technical, autonomous environments? Do you love designing reliable, long‐lived systems and solving complex performance challenges? A leading engineering organisation is hiring … Senior Full‐Stack Engineer to join an established trading platform development programme for a major enterprise client. Although the wider business is recognised for distributed ledger and advanced cryptography work, this role focuses on a non‐blockchain, production‐critical trading platform built ...

Senior Fullstack Engineer: Cyber Startup Location: London or easy commute for hybrid setup We're partnering with a well-funded, cybersecurity intelligence company building a next-generation third-party and supply chain risk platform. The Opportunity You’ll work across the stack (backend-leaning ...

Senior Fullstack Engineer (Backend) Hybrid/Remote - has to be based in London Role Overview We’re looking for a Senior Full Stack (Backend) Engineer who thrives on building clean, scalable systems quickly. You’ll play ...

Senior/Lead Full Stack TypeScript Engineer 📍 Remote/Hybrid 💰 Up to £130k + Up to 0.3% Equity We’re looking for a Senior/Lead Full Stack TypeScript Engineer with 5+ years … real product impact Work closely with experienced founders and operators Competitive salary and equity Flexible working environment If you're a strong TypeScript engineer who enjoys building in high-growth startup environments, apply directly or reach out to learn more. ...

build, scale, and innovate at the edge. The Role We're looking for a full-stack software engineer with Angular, TypeScript, and Node.js experience to help build the next generation of Verifi's SaaS platform. You'll be contributing to both frontend and backend … application stack. What You’ll Do Write clean, maintainable code across the Angular frontend and Node.js backend services. Learn and contribute to full-stack architecture—understanding patterns, quality standards, and modern best practices for both client and server-side development. Collaborate cross-functionally with Product Management ...

recognized digital product studio that sits at the sweet spot of high-end aesthetic design and hardcore engineering. They're looking for a Senior & Lead Full-stack Engineer to join the growing function. This isn't a "ticket-taking" role. This ...

Role : Senior Full Stack JavaScript Engineer Location: Abu Dhabi (Full relocation covered if outside UAE) We are seeking a talented Full Stack JavaScript Developer with solid expertise in React, Node.js, WebSockets, and Kubernetes to join … equivalent) Collaborate on end-to-end solutions for AI-driven analytics products Core Requirements (Must-Have) 6+ years of consistent full-stack JavaScript development experience 5+ years hands-on with Node.js building scalable APIs, microservices, and event-driven systems 5+ years hands-on with React (TypeScript ...

role: Must-have Skills: Strong fundamentals in Software Engineering. Direct experience with TypeScript and React. Proven ability to adapt across different full-stack environments. Demonstrated high performance in fast-paced, dynamic environments. Strong adaptability to shifting priorities and self-organizing teams. Clear and effective communication skills ...

Senior Full Stack Data Engineer – Decho Group (Part of Accenture) About Decho Group Decho Group is a fast-growing Tech and AI consultancy, founded to solve complex data challenges for governments and enterprises. We specialise in Palantir technologies, advanced analytics … team that thrives on curiosity, collaboration, and bold thinking, working on projects that genuinely change lives and industries. The Role We’re seeking Senior Consultant Engineers who want to apply their technical mastery in AI consultancy and Palantir engineering while shaping the future of data-driven decision-making. ...

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 ...

global consulting company is looking for a Full Stack Developer & Power Platform Engineer in Greater London. You will design and build applications, utilize .NET Core and C#, and contribute to architectural decisions. Candidates should have 7-10+ years of full stack ...

versatile full stack engineer who thrives on variety and innovation? We’re hiring two engineers to join a newly formed Special Operations team — dedicated to building out initiatives that can’t be supported by busy delivery teams. Think of this as the Swiss Army ...

Benefits 9% pension contribution Stock Options Health Insurance L&D Budgets This is your chance to perform the job you love and make a difference in society whilst doing it! Help this one-of-a ...