76 to 100 of 341 Full Stack Engineer Jobs in London

Full Stack AI Engineer Fully Remote (UK-Based) Salary Up to £45,000 + Benefits Method Resourcing working with a UK-based SaaS scale-up building a next-generation data visualisation and diagram-driven platform, helping users interact with complex data, documents, and visuals … intuitive ways click apply for full job details ...

Founding Engineer - £100k plus equity You're an engineer who gets bored when things move too slowly. You've spent time at places where "move fast" means shipping a few features a month, and you're done with that. You want to build something from scratch … early decisions define how this company scales. You're the Right Fit If 5+ years building and scaling systems at places that matter Full-stack with serious backend chops: TypeScript/JavaScript, Python, FastAPI, Next.js, PostgreSQL, ClickHouse Ready to ditch colleagues who think in terms ...

Senior Product Engineer (Fullstack Software Engineer+AI) London, Old Street, Onsite, AI Agents, Skippr AI (direct, no agency please) ⭐ About the role We’re looking for a Product Engineer to join our small but high-calibre team in Old St . We’re a team that … backed by top VCs, like Bessemer ( Anthropic , Perplexity , Shopify ), and executives from Fiverr , Meta , Google , Lyft and more. 🏗️ What you’ll do Modern stack : Build scalable systems using FastAPI, React, Supabase or similar modern technologies — we care more about your ability to ship quality code than specific stack ...

Senior Full Stack Data Engineer – Decho Group (Part of Accenture) About Decho Group Decho Group is a fast-growing Tech and AI consultancy, founded to solve complex data challenges for governments and enterprises. We specialise in Palantir technologies, advanced analytics, and AI-driven solutions … deliver transformation at scale. Key Responsibilities Lead & Architect: Own the design of innovative solutions using Palantir software, ensuring scalability and long-term impact. Engineer Data at Scale: Build, optimise, and maintain complex pipelines and ETL processes powering mission-critical decision models. Strategic Workflows: Develop enterprise-grade workflows ...

Affinity Labs: Founding Engineer (Backend) Location: London Area, United Kingdom · On-site Company Description At Affinity Labs, we’re building the future of company creation, a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. … mindset: high ownership, pace, ambiguity; willing to burn the midnight oil when needed . Growth mindset & flexibility: open to feedback; not rigid about stack/tools. Clear communicator & collaborator; lean on your experience to guide product decisions. Evidence of shipping quickly in small teams (links to repos, case ...

shaping the future of our company - from hands-on engineering and product work, to high-level strategic decisions. As a Fullstack Software Engineer at Diligent AI, you’ll be responsible for the development and scaling of our core platform, working closely with enterprise customers, as well as building … React, Node.js) 2+ years of experience with AWS, specifically serverless Experience building and deploying scalable backend systems and APIs Comfortable working across the full stack, from database design to frontend implementation Track record of shipping high-quality code quickly and iterating based on user feedback Strong ...

technologies and best practices from other industries Provide solutions to technical problems and be able to implement it. Requirements You're an experienced full-stack engineer with at least 5 years of experience and have a solid understanding of software development principles (such … plus Experience in refactoring and improving code performance and design is a plus Experience with Unit Testing is a plus Current tech stack C# .NET MVC Entity Framework (Code-First) MSSQL HTML & CSS JavaScript Git Azure Infrastructure Redis Third-Party APIs Benefits Part of a fast-growing company ...

Group is partnered with one of our London based Energy Trading clients looking for a Full-Stack C# and Angular Developer. This will be an equal split between front and back end depending on the task. The role sits within their Applications Team in the Front ...

dedicated to accelerating the transition to greener energy. They pride themselves on cultivating an innovative and collaborative environment. Role Looking for a Full Stack Developer skilled in .NET and React to help design, implement and maintain applications for interfacing with energy markets. The ideal candidate will … Computer Science, Engineering, or a related field. Benefits Salary up to 140k with fantastic bonuses If you’re interested in this software engineer position, or know someone else who might be, we would love to hear from you. Please submit your resume for immediate consideration. ...

Role We are hiring Full-Stack Data Engineers across multiple levels (Junior through Senior Manager) to design, build, and deliver secure, scalable data solutions for complex client environments. This is a hands-on engineering role where you will work across data ingestion, transformation, operational workflows ...

team that thrives on curiosity, collaboration, and bold thinking, working on projects that genuinely change lives and industries. 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 … data pipelines, operational workflows, and AI models. Key Responsibilities Design & Solve: Break down client problem sets and design innovative solutions using Palantir software. Engineer Data: Build and maintain pipelines and ETL processes to power decision-making models. Create Workflows: Develop operational workflows and decision-support tools that transform ...

Senior Software Engineer – YC-Backed AI Startup Location: London (Old Street) Salary: £130K–£160K + significant equity (projected 20x growth) I'm working with a hyper-growth, YC-backed startup that raised significant Series A funding – one of the largest in tech history. Founded by proven entrepreneurs with … platforms in the financial sector. What They’re Looking For Experience: 7+ years (minimum 5) in software engineering; ideally with startup exposure. Tech Stack:Frontend: React, Next.js, TypeScript Backend: Python (FastAPI, Flask, Django), Go, Rust Mindset: Founding engineer mentality – proactive, curious, thrives in fast-paced environments. ...

Senior Software Engineer - YC-Backed AI Startup Location: London (Old Street) Salary: £130K-£160K + significant equity (projected 20x growth) I'm working with a hyper-growth, YC-backed startup that raised significant Series A funding - one of the largest in tech history. Founded by proven entrepreneurs with … platforms in the financial sector. What They're Looking For Experience: 7+ years (minimum 5) in software engineering; ideally with startup exposure. Tech Stack:Frontend: React, Next.js, TypeScript Backend: Python (FastAPI, Flask, Django), Go, Rust Mindset: Founding engineer mentality - proactive, curious, thrives in fast-paced environments. ...

China, built by a team of China experts, technologists, and startup operators. We provide a plug-and-play solution that manages the full cross-border ecommerce and social commerce stack - from store operations and pricing to influencer partnerships and logistics - all powered by our proprietary technology … click apply for full job details ...

Role:?Fullstack Engineer Location:?London, UK (?2 days per week in the office) Type: Fixed Term Contract (initial 6 Months) Note: VISA SPONSORSHIP IS NOT PROVIDED Role This role is central to Clients mission of creating a bank that combines technological excellence with human intelligence click apply … full job details ...

becoming the go-to AI education platform for all major exams worldwide. The Role We are looking for a passionate Junior Fullstack Engineer to join our growing team at Medly. This is a new role working closely with our hands-on Technical CEO and other Full Stack Engineers to build and improve our web and mobile products. You will play a pivotal role in high-impact projects across our entire stack, from crafting polished user interfaces in Next.js and React Native to building robust backend services in Python. This ...

professionals. The work would focus on building out a brand new OMS system, while also augmenting and extending current features of other apps. Stack: C#, React, AWS, Python The firm has a modern tech stack, hybrid work model and also a leading compensation package. If this ...

haven't already, you should check out what we're building, and why you should work here. We’re looking for an engineer who loves building products in a fast-paced, iterative environment. In this role, you will come up with new ways to unlock value ...

Founding Software Engineer x3 (Python, NodeJS, TypeScript, React) Salary up to £110k + Equity London - 1 Day a week Sponsorship available for UK based candidates We're looking for a Senior Software Engineer to join a founding engineering team and help scale a fast-growing platform … process Equally strong across frontend and backend Energised by startup pace, ambiguity, and ownership What You Bring 4+ years of experience as a full-stack software engineer Strong experience building B2B SaaS products Proficiency with: Frontend: React, TypeScript Backend: Node.js and/or Python ...

average once per week), and were happy to discuss flexibility to make this work for you. We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers … questions & early-stage hiring eg cv screening or technical assessments when required 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 .NET and React. Strong understanding of Agile and DevOps ...

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

commerce Domain Location : London, UK Hybrid to office JD : · Experience in delivering ecommerce solutions. · Design and development experience in eCommerce. · 10+ years of full stack development expertise (Node.js, React.js, Lambda programming, GraphQL, Type Script, workflow) · Should have used and enabled AI across design, development and testing. ...

average once per week), and were happy to discuss flexibility to make this work for you. We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions click apply for full job details ...

This includes defining reusable patterns, improving observability, and setting standards that teams can adopt to move faster with confidence. On the frontend, the stack includes React and TypeScript. On the backend, services are built using Kotlin-based APIs. You’ll work closely with Product and Design partners ...

Senior Full Stack Engineer - C#, .Net, TypeScript, JavaScript Hybrid, 1-2 days near Liverpool Street Up to £90,000 + bonus + benefits If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely … modern stack, working on scalable backend services and intuitive front-end applications that present complex data clearly. Key Responsibilities: Building full-stack features using C#, .NET and TypeScript/React Developing scalable backend services for complex data workflows Creating responsive, user-friendly interfaces Exploring ...