126 to 150 of 332 Full Stack Engineer Jobs in London

Full-Stack Product Engineer - London (Full-time in office) A Y Combinator-backed startup that just raised $13M in seed funding to fix one of the most broken parts of insurance: the admin Insurance companies waste countless hours on manual, repetitive processes. … This team is building AI-powered solutions that actually work, and insurers are paying attention. The opportunity: Join as a founding engineer in a YC company with serious funding and traction Build production LLM applications that eliminate hours of manual work for real businesses Own features ...

Software Engineer/Full Stack Developer (TypeScript Data ETL) London/WFH to £90k Are you a data savvy Software Engineer with full stack skills? You could be progressing your career in a senior, hands-on Software Engineer … scaling Fintech who have built an energy trading platform to revolutionise energy buying for large industrial and commercial users click apply for full job details ...

1. Position Overview The team is looking for a hands-on Full-Stack Engineer who can hit the ground running to design, develop, and ship a new web-application. The role requires deep expertise in a C#/.NET back-end, a React front … understands the full application lifecycle, from development through deployment and maintenance --- 4. Experience & Education Requirement Details Professional Experience =?4 years of full-stack development with the above stack; at least 2 years delivering production-grade applications end-to-end. Education Bachelor ...

hands-on (still happy to build/code) Head of Engineering to lead this change from the front who is a full-stack technologist who codes with confidence, architects with foresight, and inspires teams to deliver with purpose. Youll own the engineering direction across multiple domains … Embed engineering best practice: implement CI/CD, code quality gates, automated testing, and observability from build to production. Guide platform evolution: re-engineer legacy .NET and SQL systems into modular, API-driven architectures. Build and empower teams: mentor full-stack, DevOps, and Automation ...

Senior Software Engineer 📍 Location: Onsite, London, United Kingdom ⌛ Type: Full-time 💰 Compensation: Negotiable (Competitive salary + equity) About Ontik Ontik is an ambitious, early-stage B2B financial operations platform designed to streamline and simplify complex financial workflows for heavy duty industries. We’re scaling rapidly … ownership-driven environment, where you can make a direct impact on the product and help shape its future. Role overview As a Software Engineer (Full-Stack) at Ontik, you’ll play a pivotal role in building and scaling our financial operations platform. This ...

Software Engineer (MidSenior) Python Full Stack A fast-growing, technology-led consumer health & beauty scale-up is looking for a mid-level to senior Software Engineer to join its collaborative engineering team. The business builds and operates multiple direct-to-consumer brands … flexibility to work remotely for part of the week. The role Youll join an agile, cross-functional tech team working across the full stack, partnering closely with Product, Design, and Operations to deliver scalable, high-impact software. The role has a strong backend focus in Pytho ...

Software Engineer (Mid–Senior) Python Full Stack A fast-growing, technology-led consumer health & beauty scale-up is looking for a mid-level to senior Software Engineer to join its collaborative engineering team. The business builds and operates multiple direct-to-consumer … flexibility to work remotely for part of the week. The role You’ll join an agile, cross-functional tech team working across the full stack, partnering closely with Product, Design, and Operations to deliver scalable, high-impact software. The role has a strong backend focus ...

Full Stack Software Engineer | London | £80,000 - £150,000 | Python | React Location: London-based (hybrid) Salary: £80,000 - £150,000 + equity Tech Stack: Backend: Python (Flask or FastAPI or Django - ideally a blend of 2) Frontend: React, TypeScript Cloud Systems … software engineer who enjoys shipping real products, solving tangible customer problems, and seeing your work in production quickly? We are working with a Series A AI technology company building automation software that sits directly in the operational core of key businesses. This is not experimental AI. This ...

Senior Full Stack Developer We are looking for a high-caliber Senior Full Stack Developer (L5 equivalent) to join a specialized innovation 'incubator.' Our mission is to accelerate the AI transformation of global business operations by building next-generation tooling from … teams. You will be part of an elite, agile pod consisting of three engineers, a UX designer, and a Product Manager. Core Tech Stack : Expert-level Python (Backend) and Angular (Frontend). Experience : 5-15+ years of development experience. AI/ML Focus : Experience with Large Language ...

Senior Full Stack Developer We are looking for a high-caliber Senior Full Stack Developer (L5 equivalent) to join a specialized innovation "incubator." Our mission is to accelerate the AI transformation of global business operations by building next-generation tooling from … teams. You will be part of an elite, agile pod consisting of three engineers, a UX designer, and a Product Manager. Core Tech Stack : Expert-level Python (Backend) and Angular (Frontend). Experience : 5-15+ years of development experience. AI/ML Focus : Experience with Large Language ...

Senior Software Engineer Location: London (Hybrid) Contract Duration: 6 months Join a specialized Applied AI team driving innovation in business operations. The group accelerates AI transformation by developing agentic systems and full-stack infrastructure to automate workflows and drive efficiency. We're seeking … Senior Software Engineer (L5) to deliver production-grade code while architecting autonomous AI workflows. This role combines technical expertise, product thinking, and scaling AI solutions across complex systems, working in a small agile team within a larger engineering organization. Key Responsibilities Design, develop, and deploy AI-powered systems ...

Senior Software Engineer Location: London (Hybrid) Contract Duration: 6 months Join a specialized Applied AI team driving innovation in business operations. The group accelerates AI transformation by developing agentic systems and full-stack infrastructure to automate workflows and drive efficiency. We're seeking … Senior Software Engineer (L5) to deliver production-grade code while architecting autonomous AI workflows. This role combines technical expertise, product thinking, and scaling AI solutions across complex systems, working in a small agile team within a larger engineering organization. Key Responsibilities Design, develop, and deploy AI-powered systems ...

Senior Full Stack Developer We are looking for a high-caliber Senior Full Stack Developer (L5 equivalent) to join a specialized innovation 'incubator.' Our mission is to accelerate the AI transformation of global business operations by building next-generation tooling from … ground up click apply for full job details ...

Java Developer/Software Engineer (AWS React Full Stack) London/WFH to £80k Are you a technologist Java Developer looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role … Fintech start-up, set up by a small team of finance and technology entrepreneurs with a hugely successful track record click apply for full job details ...

Senior Engineer (£90k-£120k) - Greenfield Platform Build This is a senior, high-trust engineering role for someone who wants to build core systems properly , not inherit legacy or operate inside rigid delivery structures. You'll be joining a small, engineering-led team at an early stage, working … Collaborating closely with a small, senior team where quality matters What they're looking for Strong experience as a backend or backend-leaning full-stack engineer Comfortable operating in early-stage, ambiguous environments Experience building production systems that need to be robust and dependable ...

Position: Senior Software Engineer Location: London, UK Salary: £75K - £110K OTE Equity: Competitive equity Signing Bonus: Up to $10k for unique cases Are you a builder at heart who thrives in early-stage startup environments? Join a dynamic, Series A-funded company revolutionizing corporate travel with AI-powered … solutions. We're managing over $4B in corporate travel spend for world-leading enterprises and are on the lookout for a Senior Software Engineer to be part of our founding team. What You'll Do: Design, build, and deploy end-to-end features across the full ...

Role : Senior Product Engineer (Backend) Salary: up to 105k Location : East/Central London (x4 days per week onsite) Tech stack includes : NodeJS, TypeScript, React, PostgreSQL, GraphQL, AWS, GitHub Actions, Pulumi. Current team size : x2 Engineers (plan is to grow to 4 in total … with a profitable Tech4Good startup company, their mission - making high quality mental health support more accessible! They're recruiting for x2 Engineers - Senior Full Stack/Back End + Lead Backend Essentials for the Lead role: 5+ years Full Stack experience (backend ...

CONTRACT PALANTIR DATA ENGINEER - eDV CLEARED NEW CONTRACT OPPORTUNITY AVAILABLE WITHIN A HIGHLY SECURE DELIVERY PROGRAMME FOR A DV CLEARED PALANTIR FOUNDRY DATA ENGINEER. Contract opportunity for a Palantir Data Engineer to support cutting-edge National Security projects £600 - £750 per day Enhaced DV clearance … essential for high-side IT access Based full-time onsite in London Initial 12-month contract, with strong potential for long-term extension To apply, please email: WHO WE ARE? We are growing our customer delivery team off the back of major success in the secure consultancy space. ...

Lead/Senior Software Engineer - Insurance Hybrid Working - City of London A growing specialist insurance underwriter focused on complex property and catastrophe-driven risks is bringing its technology capability in-house. This is a rare opportunity to join as the first in-house Software Engineer, with … while advising senior stakeholders and shaping long-term technical direction. What Youll Do Rebuild and enhance pricing systems and algorithms Design and develop full-stack solutions Contribute to system design and solution architecture Build and integrate APIs in a microservices environment Partner closely with senior stakeholders ...

Flutter Software Engineer About us: Tewke is a growing startup on a mission to change the way people live within their homes, empowering them to automatically save energy and improve their living environment. Tewke is revolutionizing the way homes operate by focusing on sustainable and efficient living. … with version control software from providers such as GitHub or GitLab - Write clean, efficient, and reusable code Nice to have: - Experience as a full stack engineer to work across cloud and app infrastructure - Experience publishing apps in the Apple App Store - Experience ...

future of Intellectual Property. We have real paying users, massive traction, and a mission to build a billion-dollar company. 🏗️ The Role: AI Engineer We are looking for a super-talented engineer to help us build state-of-the-art AI products extremely fast . … models and steer the direction of our R&D. Advanced Prompt Engineering: Research and implement cutting-edge prompting methods to maximize model efficacy. Full-Stack Impact: While focused on AI, you’ll work across the stack (Python, Postgres, React) to ensure our research translates ...

.NET Developer, CMS, Sitecore, Optimizely, Umbraco - London (Tech stack: .NET Developer, CMS, Sitecore, Optimizely, Umbraco, .NET 10.0, C# 14, Angular 21, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Established in the 1990s our client is one the fast growing technologies brands ...

.NET Developer (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, Angular 21, Vue.js, TypeScript, Programmer, Full Stack Engineer, Architect, .NET Developer) We have several fantastic new roles for .NET Developer ...

ensure that solutions align with client expectations. Leverage a broad spectrum of technologies, particularly JavaScript and TypeScript, with a solid understanding of full-stack application patterns. Promote the growth and success of your team members, taking pride in their development. Essential experience required for the Senior … Technical Lead: Prior demonstrable experience in software development focussed roles using .Net or Java Extensive experience in software development with a focus on full-stack technologies, especially JavaScript and TypeScript. In-depth knowledge of the entire software development lifecycle. Proven expertise in developing cloud-native applications ...

hands-on Python engineering rather than pure people management. Role overview British Council are looking for a Technical lead/Lead engineer - they need to have hands-on technical experience. They will not be leading a team to begin with however once settled they will be leading full stack & QA developers. Any experience in full stack support would be beneficial. Project Overview BC have created an in house Chat box called AIBC ( candidates won't have this experience in this particular chat box). This will be rolled ...