1 to 25 of 30 Permanent Senior Full-Stack Engineer Jobs in London

Senior Frontend Engineer/Full Stack Product Engineer - Energy About the Role Our client is hiring a Frontend Engineer/Full Stack Product Engineer to help build the software that their customers … 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 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 ...

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 (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 (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 ...

About the Job Senior Fullstack Engineer (React/.Net) – London (Victoria) | Hybrid £80k - £110k Are you ready to craft the next generation of data-driven digital experiences for one of Europe’s most technically advanced SaaS innovators? Our client, a pioneer in B2B SaaS solutions … providing cutting-edge data visualisation and dynamic dashboards for high-velocity business & artificial intelligence. About the Role As a Senior Full-stack Engineer , you’ll play a key role in architecting and developing scalable, high-performance web applications that bring complex data ...

About the Role We are seeking a Senior Full-Stack Engineer to join our team and help build the next generation of AI solutions. This is a unique opportunity to be a key technical contributor in a fast-paced, innovative environment where … wear many hats and have significant impact on our product and engineering culture. As a full-stack engineer, you'll work across the entire technology stack—from backend services and data pipelines to infrastructure and deployment. You'll collaborate closely with ...

Senior Frontend Engineer/Full Stack Product Engineer - Energy About the Role Our client is hiring a Frontend Engineer/Full Stack Product Engineer to help build the software that their customers ...

company building the intelligence layer for industrial machines – forklifts, cranes, excavators and other heavy equipment. They’re hiring a Senior Full-Stack Engineer to own the product experience around teleoperation and fleet workflows. You’d lead a new UX/UI build … expose the right controls and telemetry Help shape the long-term direction of fleet management tooling. What you'll need Strong full-stack engineering experience, with clear frontend depth Excellent React and TypeScript skills Experience building real-time product interfaces, ideally with streaming or live state ...

Senior Full Stack Engineer/Developer (C# Python AWS SQL IaC) London 12 month FTC to £180k Are you a full stack technologist with a product based mindset? You could be progressing your career in a hands … Senior Full Stack Engineer role at a tech driven, global Asset Manager with multiple billions of dollars under management, on a 12 month Fixed term Contract. As a Senior Full Stack Engineer you will ...

vision, and we're looking for people who want to build something that matters from the ground up. About the role As a Senior Software Engineer at Clearly, you will own and shape the full technical stack - from the data pipelines that … closely with product and commercial teams to ship features that create direct customer value What we’re looking for Proven experience as a senior or lead engineer across the full stack — backend, data, and frontend Strong fundamentals in building and maintaining data ...

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 ...

/Senior/Staff Backend Engineer | Full stack, Data/AI | Greentech, B2B Logistics | Recent Series A Raise | Salary up to £160,000 + Equity, Bonus, Benefits | London, Hybrid (4 days PW) The Company We are working with a Series A backed … They have hired a Director of Engineering from Meta who is scaling out the engineering devisions with 11 Backend Engineers across Mid/Senior and Staff Level. The company has signed some off the biggest brands in Ecommerce and now they are looking to increase features, functionalities ...

Ocean Orchestra - Senior Full Stack Engineer At a glance : £75–95K + equity Climate tech with global impact Early engineer, greenfield build Remote-first UK + London office a few days Autonomy, ownership, and direct impact About the Company Founded ...

high-growth international Fintech building at the intersection of crypto and traditional finance, looking for a proven Senior Full Stack Engineer to help scale its core platforms. This is a fantastic opportunity to work on cutting-edge technology, building products that support … stack, shaping architecture and delivering scalable solutions used by clients worldwide. The Role As Senior Full Stack Engineer, you will: Design, build, and maintain scalable platforms using modern frameworks and tools. Work across backend (Node, SQL) and frontend (Angular ...

make soime weeks 2 days a week from home. Please also note - sponsorship is not an option here unfortunately. The role As a Senior Software Engineer, you will: Understand complex business problems then propose and implement technical solutions Have input into the architecture, working closely with … Head of Technology and other senior team members Work with other engineers and the business to improve user experiences Bring your experience and enthusiasm to our engineering culture Promote excellence with technical mentoring, feedback, and code reviews Participate in planning sessions, retrospectives, stand-ups and demos Join ...

Senior Full Stack Engineer/Developer (C# Python AWS SQL IaC) London 12 month FTC to £180k Are you a full stack technologist with a product based mindset? You could be progressing your career in a hands … Senior Full Stack Engineer role at a tech driven, global Asset Manager with multiple billions of dollars under management, on a 12 month Fixed term Contract click apply for full job details ...

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 ...

GenAI Full Stack Engineer - Consultant Salary: £45,000 - £55,000 plus benefits, perks and healthcare options Job Type: Permanent - Hybrid/2 x days per week - Travel to client site Base Locations: London, Manchester, Newcastle, Glasgow Overview: We're looking for a GenAI Full Stack Engineer who is passionate about solving real-world challenges through technology. You'll work closely with senior stakeholders both internally and within key clients to create GenAI strategies that translate business issues into relevant technical solutions and competitive propositions that ...

What we do. Electric Car Leasing Why we do it. Greener. Fairer. Future. We’re looking for a Senior Fullstack Software Engineer (Python and React) to join our product and engineering team building the systems that power our ability to revolutionize the electric car leasing industry. ...

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 ...

Security Clearance or ability to get SC in short timescales. About the Role We are seeking a Senior Full Stack Engineer who is passionate about building high‐quality software and designing robust systems. You will work on complex, large‐scale solutions across … collaboration, and continuous learning, and we actively support innovation and knowledge sharing. Your Future Role As a Senior Full Stack Engineer, you will: Design, build, and deploy scalable, high‐quality systems Translate business and client requirements into technical solutions Work directly with ...

launch, and we operate like a top-tier creative engineering studio: small team, high taste, high ownership, low bureaucracy. We’re hiring a Senior Fullstack engineer to build the enterprise backbone that makes all of this possible: high-concurrency APIs, event-driven systems, and reliability foundations … high-impact areas: Enterprise-grade architecture Standardised patterns from intake → build → QA → deploy → measure. Secure by default, GDPR-safe, compliance-ready. Full-stack workflow automation Scalable GraphQL APIs, integrations, event-driven systems, monitoring/logging, error handling, and documentation that scales beyond you. What ...