18 of 18 Permanent Senior Full-Stack Engineer Jobs in London

Senior Product Engineer, Full Stack - Energy £70,000 to £95,000 Permanent London, hybrid The opportunity Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer … business and are pleased to be supporting them again on this important hire. This is a genuinely exciting opportunity for a frontend-strong engineer who wants real ownership, autonomy, and the chance to build products from scratch. They are looking for someone with strong React and TypeScript capability ...

About the Role Our client is hiring a Frontend Engineer/Full Stack Product Engineer to help build the software that their customers interact with directly, as they continue to scale their product and technology function. We have already recruited 3 individuals … operate with a high level of ownership, move quickly, and help shape both product and engineering direction in a growing business. Senior Frontend Engineer/Full Stack Product Engineer - Role Purpose We are looking for a Frontend Engineer ...

Senior Full-Stack Engineer (Backend-Leaning) – SaaS + AI Join a seed-stage SaaS startup backed by leading VCs, adopting AI to redefine their product. They’re pre-PMF, mid-pivot, and need a hands-on engineer (~80% coding … help build, define, and scale. 💰 Comp: Up to £100k + strong early stack equity package 🧑 💻 What you’ll do Full-stack engineering, backend-leaning (Next.js FE + BE, Node.js, TypeScript, legacy Python) Collaborate with product & CEO to shape the roadmap Help guide a small ...

Senior Full Stack Engineer (Python/React) Fast-Growing Sports AI Company KEY POINTS Hybrid role based in London Build real time, data rich web applications for the sports industry Full ownership of the stack, from Next.js front … you. THE ROLE, SENIOR FULL STACK ENGINEER As a Senior Full Stack Engineer, you will own the full product lifecycle, from building intuitive, performant web interfaces in Next.js and React through ...

core architecture, product direction, and scaling challenges. Requirements: • 5+ years of software engineering experience in high-performance production environments • Strong backend or full-stack engineering skills • Experience building scalable distributed systems and production infrastructure • Strong product engineering mindset with ability to move quickly and own features … Experience with TypeScript/Node.js strongly preferred • Experience with modern frontend frameworks (React/Next.js) is a plus for full-stack candidates • Strong understanding of system design, reliability, scalability, and observability • Experience in startups or fast-paced product environments is highly desirable • AI-native mindset — comfortable ...

Fullstack Software Engineer to help shape their product and deliver value to ambitious, scaling teams. If you are an experienced full-stack developer with strong TypeScript expertise and a track record of shipping quality features in SaaS environments, this is an excellent chance … Support customers and sales teams by understanding their needs and translating feedback into product improvements. Requirements 5+ years of professional experience in full-stack web application development, (some of this must be within SaaS environments.) Strong expertise in TypeScript and a genuine appreciation for the language ...

Senior Fullstack Software Engineer (Signals Team) Location: London, UK (Hybrid) Department: Engineering Reports To: Engineering Manager Job Type: Full-Time About the Role We are looking for a Senior Fullstack Software Engineer to join our Signals Team, contributing ...

Senior Fullstack Engineer (AI-Native) — Freelance via Shakers We're hiring a Senior Fullstack Engineer to help build the enterprise backbone of an AI hiring intelligence platform that's redefining recruitment through voice-first, capability-based assessment. You'll join a lean ...

well funded, product led, and building at the intersection of HR technology, workflow automation and AI. This is a great opportunity for a Senior Software Engineer who enjoys building real products, not just writing tickets. You would join a lean engineering team where engineers have genuine … stage SaaS company • A personal project, website, product, open-source work or portfolio that shows product taste and craft • Background as a founding engineer, early hire, or someone who has worked in a small team with broad ownership • Computer Science degree or strong technical fundamentals from another route ...

Senior Software Engineer (Node + React)£85,000 + 10% Bonus + BenefitsLondon, Hybrid (2 days per week in the office) The Opportunity Our client are hiring three Senior Software Engineers to join a growing engineering function that builds technology powering large-scale advertising … media platforms. This is a hands-on senior role for engineers who enjoy thinking about the "why" , not just the "how". You'll help shape technical decisions, guide less experienced engineers, and contribute to building well-designed, scalable systems used across major advertising campaigns. The Challenge ...

A great energy client based in London is looking for a Full Stack Python Engineer. Fantastic benefits, bonus, training, events, cycling scheme, pension, free breakfast and much more! If you’re ...

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 ...

repeatable, AI-assisted workflows across data ingestion, analysis, reporting, review, and compliance. We are looking for a Senior Full Stack Engineer to take ownership of both product and infrastructure development. This is a broad, hands-on engineering role for someone ...

services across various use cases, starting with industrial applications. We are looking for a passionate and skilled Senior Full Stack Engineer to join our innovative team in London. Our Mission At Humanoid we strive to create the world’s leading, commercially scalable ...

HIRING: FULL STACK ENGINEER ( Next.js + Google Cloud) who we are: fan3 are building a new entertainment ecosystem. A platform that gives artists control and ownership of their data, and puts genuine tickets in the hands of genuine fans. A team born in music … rapid product development and business expansion. the opportunity: This is a rare opportunity as a Full Stack Engineer to work at a venture-backed startup on a totally greenfield project where you will have direct responsibility in making technology choices and defining the future ...

where you saw this job advert, or by sending an email to hiring@getpurpledot.com with your resume/CV and LinkedIn profile and “Senior Full Stack UK” in the subject line. About Us At 🟣 Purple Dot, our vision for e-commerce is simple: Everything … customers, but that in turn means our customers use Purple Dot in different ways. As a Senior Full Stack Engineer, your goal is to grab ideas for new features for our pre-commerce platform and turn them into reality, as quickly ...

Senior Full Stack Engineers | Green Tech & AI | React.js/Node.js/TypeScript | London 2 Days Per Week | £50K - £120K+Equity Company: I'm looking for Full Stack Engineers who are excited about elegant systems as they are about real-world impact. … move Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Mid & Senior Full Stack Engineers | Green Tech & AI | React.js/Node.js/TypeScript | London 2 Days Per Week | £50K - £120K+Equity -> 2+ years commercial ...

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