1 to 25 of 28 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 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 Engineer Introduction Join a specialist platform operating at the heart of telecoms, compliance, and secure business messaging. This is a senior, hands-on role where you’ll take real ownership of a product that underpins trust, validation ...

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 Software Engineer London (Victoria) · 3 days in office · £100,000 – £120,000 · Permanent Our client is a newly launched, VC-backed tech business operating in a highly traditional professional services sector. Founded by repeat founders with a track record … 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 ...

RSMB is seeking an experienced and highly capable Senior Full Stack Engineer to play a central role in the design, development, and evolution of our expanding product suite, including Barb Ads Hub, NMO XCM, and our Data Fusion platform. You will join … London, and we are currently operating hybrid working: splitting the week between home and office working. The Senior Full Stack Engineer role: This role sits within the Development team in the Technology department and is critical to delivering scalable, high-performance, data ...

RSMB is seeking an experienced and highly capable Senior Full Stack Engineer to play a central role in the design, development, and evolution of our expanding product suite, including Barb Ads Hub, NMO XCM, and our Data Fusion platform. You will join … London, and we are currently operating hybrid working: splitting the week between home and office working. The Senior Full Stack Engineer role: This role sits within the Development team in the Technology department and is critical to delivering scalable, high-performance, data ...

Senior Software Engineer (IC) | HealthTech SaaS | Series A | Remote We’re working with a rapidly scaling Series A HealthTech SaaS business that … building impactful, real-world technology and gaining strong momentum in the market. They’re now hiring a Senior Full Stack Engineer (Individual Contributor) to help drive product development and influence engineering direction. This role offers a balance of ownership, autonomy, and hands ...

Senior Software Engineer (IC) | HealthTech SaaS | Series A | Remote We’re working with a rapidly scaling Series A HealthTech SaaS business that … building impactful, real-world technology and gaining strong momentum in the market. They’re now hiring a Senior Full Stack Engineer (Individual Contributor) to help drive product development and influence engineering direction. This role offers a balance of ownership, autonomy, and hands ...

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 ...

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 Software Engineer - Remote (UK) - £85k-90k We are supporting a rapidly scaling AI driven fintech organisation in their search for a Senior Software Engineer to strengthen their UK based engineering function. This role offers the opportunity to contribute to real world … driven software products What’s on Offer: £85-90k Private healthcare Remote and flexible working across the UK Clear career progression Senior Software Engineer - Remote ...

Senior Software Engineer - Remote (UK) - £85k-90k We are supporting a rapidly scaling AI driven fintech organisation in their search for a Senior Software Engineer to strengthen their UK based engineering function. This role offers the opportunity to contribute to real world … driven software products What’s on Offer: £85-90k Private healthcare Remote and flexible working across the UK Clear career progression Senior Software Engineer - Remote ...

SENIOR FULLSTACK ENGINEER Mission-led Tech | Real-World Impact 📍 Holborn, London (3 days onsite) 💼 Permanent Why this role is interesting Build and scale platforms used by millions, with tangible real-world impact Work in a high-performing, collaborative engineering team that genuinely cares about quality ...

learning, collaboration, and engineering excellence 🌳 Remain technically hands-on, especially while teams scale 💻 Tech Stack We’re seeking strong full-stack engineers who lead by example. Core stack includes: 🌳 .NET (Framework & Core) 🌳 Azure SQL + Azure Cloud 🌳 Vue.js, Vanilla JS, CSS, HTML … These five roles are high priority , with interview slots already reserved for strong candidates. 📌 Please ensure your CV clearly showcases: • technical leadership • full-stack engineering experience • relevant architectural or delivery ownership 🌳 Areti Group – Carbon Positive Tech Recruitment 🌳🌳🌳 People & Planet Before Profit. Building teams that leave ...

learning, collaboration, and engineering excellence 🌳 Remain technically hands-on, especially while teams scale 💻 Tech Stack We’re seeking strong full-stack engineers who lead by example. Core stack includes: 🌳 .NET (Framework & Core) 🌳 Azure SQL + Azure Cloud 🌳 Vue.js, Vanilla JS, CSS, HTML … These five roles are high priority , with interview slots already reserved for strong candidates. 📌 Please ensure your CV clearly showcases: • technical leadership • full-stack engineering experience • relevant architectural or delivery ownership 🌳 Areti Group – Carbon Positive Tech Recruitment 🌳🌳🌳 People & Planet Before Profit. Building teams that leave ...

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 ...

About The Role We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior … process optimisation initiatives. Communicate complex technical concepts effectively to non-technical stakeholders. About You Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Some of the languages and frameworks our teams work with: Java Python C#/ ...

Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring … process optimisation initiatives. Communicate complex technical concepts effectively to non-technical stakeholders. About You Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Significant hands on experience with Java, Spring Boot and Microservices. Strong understanding of Agile ...

showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title: Senior Full Stack Engineer Location: London 4-5 days in office Contract: 12 months contract Rate: £100 per hours inside umbrella As a senior full stack engineer you will be instrumental in designing and developing web font-ends and back-end services for a new platform built to automate the management of the full lifecycle of complex private assets. Your expertise is expected ...

deliver robust solutions Technology Environment Java and Spring Boot (low-latency) Distributed systems and microservices architecture AI Skills mandatory Angular or TypeScript (full-stack capability beneficial) Cloud and containerisation technologies CI/CD, automated testing, and observability tooling Requirements Strong experience in Java and backend development ...

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 ...

Senior Full Stack Engineer - £80-100k - 3 days a week in Central London We’re working with a fast-growing SaaS company building tools that support modern organisations at scale. The product focuses on simplifying complex internal processes through thoughtful design … platform scales Working closely with product, design, and commercial teams What they’re looking for 5+ years experience as a full stack engineer, ideally within a SaaS environment Confidence working as an individual contributor with leadership impact Deep understanding of JavaScript and modern ...

Senior Python Engineer | Full Stack | Real-time Data Platform 3 days onsite (nr Oxford) every 6 weeks This is a backend-led full stack role at an early stage technology company building a production grade SaaS platform … maintainability in a live SaaS environment What we are looking for 5 or more years building production SaaS systems as a Software Engineer, with a backend focus Strong Python fundamentals with real production experience in a SaaS context Working ability in React or frontend development more broadly Cloud ...