226 to 250 of 332 Full Stack Engineer Jobs in London

Software Engineer - Contract (SC Cleared) Location: London (Hybrid Working) Contract: Outside IR35 Clearance: Active SC Clearance required Email : Phone : Overview We are seeking an experienced AI Software Engineer to join a high-impact programme based in London , working on cutting-edge AI and LLM-driven solutions. … agent-based architectures Build and integrate workflows using LangChain and/or LangGraph Develop robust backend services using Python Contribute to frontend or full-stack development using JavaScript/TypeScript where required Deploy, scale, and maintain solutions on AWS Collaborate with cross-functional teams including data ...

Hiring: Senior Software Engineer – Systems Improvement & Scale 🏢 Company: Car Planet 📍 Location: Enfield 🕘 Full-Time (Open to initial contract trial) Car Planet is a fast-growing car supermarket and automotive retail business building and running our own in-house platforms — including Autogrid (our core Dealer Management System … plus supporting systems like Audiofy (call intelligence) and RoutePortal (logistics & routing). We’re looking for a senior, pragmatic software engineer to inspect, stabilise, and improve live, revenue-critical systems as the business scales. You’ll work hands-on with existing production systems to improve performance, reliability ...

engineer with strong software engineering fundamentals? Have you deployed AI models into production—not just trained them? Want to work on agentic systems, RAG pipelines, and LLM-powered tools? We're working with a high-growth GenAI consultancy building real-world, production-grade AI applications. With a team … client demand and deep partnerships (including OpenAI), the team is scaling fast across the UK, Singapore, and Australia. As a Senior Applied AI Engineer, you’ll take ownership of designing and deploying AI-powered applications that solve real client problems. You’ll work across full-stack ...

Title: Digital Systems Engineer Location: London/Hybrid Salary : £45,000 - £55,000 per annum based upon experience plus discretionary bonus and comprehensive benefits Job Type: Full Time, Permanent techUK Overview: techUK is the trade association which brings together people, companies and organisations to realise … they prepare the UK for what comes next in a constantly changing world. Role purpose: We're looking for a Digital Systems Engineer to design, build, and continuously improve the internal digital tools that support our members and staff. Working as part of our Digital Team ...

Senior Software Engineer, Python, Django, ReactJS, JavaScript, PHP, Mainly Remote, Central London Senior Software Engineer (Python, Django, ReactJS) required to work for a fast growing and exciting business based in Central London. However, this role is mainly remote. We need an experienced Python Developer … more details Responsibilities: Collaborate with product managers, designers, and other engineers to develop and deliver end-to-end features across the stack Lead technical design discussions and make architectural decisions for new features and systems Analyse and optimize code for quality, efficiency, and performance, and provide feedback ...

customer footprint Preparing for Series A with a focus on platform maturity and deeper integrations We're hiring a Senior Lead Software Engineer as a foundational member of our engineering team, someone who will help us build robust, scalable systems and shape how we grow the team around … them. Role Overview This is a key early hire. You'll work across the full stack with a strong emphasis on backend services and infrastructure, helping us build systems that scale as we grow. You'll work closely with the Director of Engineering to establish patterns ...

Backend Engineer (AI Platform) - London £80k–£100k + EMI equity About the Role We’re hiring a Backend Engineer to build the core infrastructure behind Revax’s AI-native platform for professional services. You’ll design, optimise, and scale the systems that power multi-agent drafting … brittle tooling. We turn a firm’s own expertise into structured, auditable, AI-powered systems that draft, analyse, and explain deliverables with full provenance. We’re a fast-moving, well-funded startup backed by leading angels, already working with major firms, and building at the intersection ...

Role : Lead Backend Engineer Salary: up to 125k 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) We're working … 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: 7+ years backend experience - Typescript/Node preferred ...

here, or head over to Dex to find other opportunities with top tech companies, where you can truly find work that matters! Founding Engineer for a Defense-Tech Logistics Disruptor. We’ve partnered with a high-growth, pre-seed startup that is currently tackling one of the most … reduction in computation time for complex logistical needs, ensuring critical supplies reach their destination regardless of environmental constraints. As a Founding Engineer, you won't be just a "coder", you are a core architect of a machine designed for high-stakes, "battle-proven" efficiency. What ...

Location: London/Hybrid Type: Full-time Salary: Flexible - Depending on Experience About Us We’re a fast-growing AI and technology consultancy on a mission to solve complex data challenges for governments and enterprises. Our work combines deep engineering expertise with bold thinking to deliver solutions that … work on projects that genuinely change lives and industries, in a culture that values curiosity, collaboration, and innovation. The Role We’re seeking Full Stack Data Engineers across all levels—from Junior to Senior Manager—who want to apply their technical skills in AI consultancy ...

product improvements Contribute to technical decision-making and help define the product roadmap Ensure high-quality, scalable, and maintainable code across the stack Participate in shaping company culture and engineering best practices Qualifications Required: 3-5 years of experience building and shipping production software (full-stack … fast-paced, and high-uncertainty environments Excellent communication and collaboration skills Demonstrated curiosity and drive to learn through experimentation Preferred: Familiarity with tech stack: Next.js, React, TypeScript, Python, FastAPI, Postgres, Redis Experience with cloud infrastructure (AWS, GCP) Exposure to or experience with foundation models or Generative AI (LLMs ...

Software Developer/Engineer C# .Net AWS (Junior - Mid) London to £80k Are you a bright, ambitious Software Developer who enjoys collaborating and working on complex systems with cutting edge technology? You could be progressing your career at a highly profitable, systematic Hedge Fund that invests in sports … choices that are continuously evolving. There's a focus on backend development with C# .Net and Kubernetes however you will work across the full stack, using TypeScript and React on the client side. You'll take ownership of projects and collaborate with a team of highly ...

Database Engineer/MySQL Engineer | Hybrid/London | up to £90,000 Fast-growing Fintech powering complex finance operations across the UK, EU and the US. They are looking for a Database Engineer/MySQL Engineer to own and evolve the data … that drives their global platform. You will own the performance, reliability, and integrity of their mission-critical MySQL databases. Great opportunity to take full ownership of your work, see the real impact of your decisions, and grow your skills in a culture that values learning, development, and career ...

create robust interfaces to internal AI APIs that transform patient data into actionable health recommendations. This role offers the opportunity to shape the full mobile experience while collaborating with product, design, and clinical teams to deliver features that meaningfully improve patient outcomes. What You'll Do Build … decisions and proactively identify opportunities to improve app performance, reliability, and user experience Minimum Qualifications 5+ years of experience building production mobile or full-stack applications with modern frameworks Strong proficiency in mobile development with demonstrated experience shipping iOS and/or Android applications Track record ...

Founding Engineer | Seed-stage AI SaaS (£100k + equity) We’re hiring for a seed-stage SaaS startup backed by Balderton (near £5m raised) that’s using AI to fundamentally redefine its product. The company is pre-PMF and mid-pivot , at a genuine inflection point, and looking … hands-on engineer (~80% coding) to help shape the product, architecture, and technical foundations from the ground up. 💰 Compensation Up to £100k + meaningful equity 🧑 💻 What you’ll be doing Full-stack engineering (backend-leaning): Next.js (FE + BE), Node.js, TypeScript , with some legacy ...

About PRODA At PRODA (www.proda.ai) we are building software to unlock the full potential of Real Estate Data no matter the asset class, language, or country of origin. Our solution leverages the latest technologies to automatically capture, standardise and quality check Real Estate data into a single, clean … exciting journey delivering best-in-class software to the Commercial Real Estate market globally. Role We are looking for a Software Engineer to join the team at PRODA that works on the automatic extraction, classification, standardisation and validation of financial data documents in commercial real estate. We encourage ...

career in coding. You will also have the reassurance of a job guarantee (£25K-£40K) upon completion. Whether you are working full-time, part-time or are unemployed, this package has the flexibility to be completed at a pace that suits you and can be completed … friendly advisors will be in touch. Keywords: Website, Web Developer, Business Development, Website, Web Design, Front End, Back End, Full Stack, Computer Programmer, Computer Systems Engineer, Systems Analyst, Programmer Analyst, Database Administrator, Front-end Developer, Mobile App Developer, Software Developer, Data Scientist, Cloud Engineer. ...

career in coding. You will also have the reassurance of a job guarantee (£25K-£40K) upon completion. Whether you are working full-time, part-time or are unemployed, this package has the flexibility to be completed at a pace that suits you and can be completed … friendly advisors will be in touch. Keywords: Website, Web Developer, Business Development, Website, Web Design, Front End, Back End, Full Stack, Computer Programmer, Computer Systems Engineer, Systems Analyst, Programmer Analyst, Database Administrator, Front-end Developer, Mobile App Developer, Software Developer, Data Scientist, Cloud Engineer. ...

career in coding. You will also have the reassurance of a job guarantee (£25K-£40K) upon completion. Whether you are working full-time, part-time or are unemployed, this package has the flexibility to be completed at a pace that suits you and can be completed … friendly advisors will be in touch. Keywords: Website, Web Developer, Business Development, Website, Web Design, Front End, Back End, Full Stack, Computer Programmer, Computer Systems Engineer, Systems Analyst, Programmer Analyst, Database Administrator, Front-end Developer, Mobile App Developer, Software Developer, Data Scientist, Cloud Engineer. ...

career in coding. You will also have the reassurance of a job guarantee (£25K-£40K) upon completion. Whether you are working full-time, part-time or are unemployed, this package has the flexibility to be completed at a pace that suits you and can be completed … friendly advisors will be in touch. Keywords: Website, Web Developer, Business Development, Website, Web Design, Front End, Back End, Full Stack, Computer Programmer, Computer Systems Engineer, Systems Analyst, Programmer Analyst, Database Administrator, Front-end Developer, Mobile App Developer, Software Developer, Data Scientist, Cloud Engineer. ...

friendly advisors will be in touch. Keywords: Website, Web Developer, Business Development, Website, Web Design, Front End, Back End, Full Stack, Computer Programmer, Computer Systems Engineer, Systems Analyst, Programmer Analyst, Database Administrator, Front-end Developer, Mobile App Developer, Software Developer, Data Scientist, Cloud Engineer. ...

Backend Software Engineer/Developer (Go/Golang AWS) London to £80k Are you a data savvy, backend focussed Software Engineer who enjoys using a range of programming languages with exposure across the full tech stack? You could be progressing your career … banks, the emergency services and a range of other clients to prevent and detect fraudulent call activities. As a Software Engineer you'll join a collaborative Agile team responsible for building and maintaining the critical, cloud (AWS) based data processing platform that enables real-time call risk analysis. ...

Level Software Engineer (React/TypeScript/Node) Up to £60,000 | Hybrid (3 days onsite) We're looking for a mid-level software engineer to join a small, stable product team working on an internal design and animation tool used widely across the business. This ...

clients. She will pick the best candidates from ivee's network. The next step is to create an ivee profile. Junior Back-end Engineer Company Description: Fast-growing scale-up This is a great opportunity to join a fast-moving engineering team as a Junior Backend Engineer … designing, integrating, and maintaining RESTful endpoints Support database design and optimisation (e.g. PostgreSQL, MongoDB) Collaborate with front-end and product teams to deliver full-stack features Write clean, testable, and maintainable code Help improve system performance, scalability, and security Participate in code reviews and learn from ...

Engineer | T1 VC-backed AI Start-up | Hybrid/London The Client Harmonic is delighted to be partnering with one of London's fastest-growing AI Tech start-ups who have already gained significant traction and have been scaling rapidly (consistent double digit growth month-on-month). … formative stage and play a defining role in shaping both the product and the technical foundations of the business. The Role This AI Engineer position reports directly into the CEO, sitting at the core of the product and engineering effort. You'll be responsible for building and shipping ...