26 to 46 of 46 Senior Full-Stack Engineer Jobs in Central London

Senior Full Stack Engineer (Go + React) Location: London (Hybrid – 2 days onsite) Salary: £100,000–£105,000 + 10% bonus + Equity Industry: Series A DeepTech Start-Up About the Company Wedo.tech has partnered with a rapidly scaling Series A DeepTech start-up that’s quickly earning a reputation for its … You’ll join one of five agile product squads focused on the company’s core web application — the heartbeat of their business operations. We’re looking for two Senior Full Stack Engineers who thrive in high-growth start-up environments: people who take ownership, drive architectural decisions, and love getting hands-on with POCs More ❯

Senior Software Engineer - £500 per day - Outside IR35 - London (2 days per week) Contact : Matthew.Makranczy@forsythbarnes.com Overview We are seeking a talented Software Engineer to join an … established team focused on improving a live product. The software supports fraud response teams within banks to investigate accounts suspected of laundering the proceeds of scams. Our full-stack application integrates with other software to surface AI insights driven by cutting-edge data-science techniques and our valuable datasets. The most important parts of our stack More ❯

Senior Software Engineer - £500 per day - Outside IR35 - London (2 days per week) Contact : Matthew.Makranczy@forsythbarnes.com Overview We are seeking a talented Software Engineer to join an … established team focused on improving a live product. The software supports fraud response teams within banks to investigate accounts suspected of laundering the proceeds of scams. Our full-stack application integrates with other software to surface AI insights driven by cutting-edge data-science techniques and our valuable datasets. The most important parts of our stack More ❯

Senior Full Stack Engineer Location: London (Hybrid – 2 days onsite) Package: £120,000 Industry: Series A DeepTech Start-Up About the Company Wedo.tech has partnered with a rapidly scaling Series A DeepTech start-up that’s quickly earning a reputation for its AI-driven product, trusted by global customers. Their technology sits … re looking for a role where you get autonomy, a chance to master your craft with deep purpose then read on. The Opportunity We’re looking for two Senior Full Stack Engineers who loves to coach, lead, mentor, and take ownership of architectural decisions, and love getting hands-on with POCs, innovation, and clean … into your years of hard earnt experience knowing what great looks like, helping them achieve their next phase of growth. As a Senior Full Stack Engineer you will have the following experience: Designed and build scalable microservices, contributing to a growing distributed architecture. You can write code in at least 2 languages More ❯

Senior Full Stack Engineer Location: London (Hybrid – 2 days onsite) Package: £120,000 Industry: Series A DeepTech Start-Up About the Company Wedo.tech has partnered with a rapidly scaling Series A DeepTech start-up that’s quickly earning a reputation for its AI-driven product, trusted by global customers. Their technology sits … re looking for a role where you get autonomy, a chance to master your craft with deep purpose then read on. The Opportunity We’re looking for two Senior Full Stack Engineers who loves to coach, lead, mentor, and take ownership of architectural decisions, and love getting hands-on with POCs, innovation, and clean … into your years of hard earnt experience knowing what great looks like, helping them achieve their next phase of growth. As a Senior Full Stack Engineer you will have the following experience: Designed and build scalable microservices, contributing to a growing distributed architecture. You can write code in at least 2 languages More ❯

which you can use to 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 the 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 us in curating a codebase to be proud of, driving for quality, maintainability and testability More ❯

which you can use to 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 the 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 us in curating a codebase to be proud of, driving for quality, maintainability and testability More ❯

Senior Full Stack Engineer – AI Startup – Up to 150k 🚀🧠 💰 Salary: £80,000 - £150,000 + meaningful equity 🏙️ Location : London, hybrid 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) 📈 Team size: 27 heads Our y-combinator backend client are building an elite engineering team within the AI space. The … Understand the working dynamics of a fast paced start-up If this role sounds like it could be of interest, apply now! Senior Full Stack Engineer – AI Startup – Up to 150k More ❯

Senior Full Stack Engineer (Backend-leaning) - High-Growth eCommerce Platform London/Hybrid (1 day per week) · c £80,000 + Share Options · VC-backed Series A Startup 🚫 This company is unable to offer visa sponsorship at this time Shape the Architecture of a High-Growth eCommerce Platform We’re working with … eCommerce space that is scaling fast and working with some of the most recognisable fashion brands globally. They’re looking for a Senior Full Stack Engineer (backend-leaning) to take ownership of architecture, data flows, and complex integrations powering a platform used by millions. This isn’t about tweaking themes, it’s … engineers who want to shape tech foundations pre-scale. Interview Process 30-min culture & tech fit conversation 60–90 min technical scenario interview (no whiteboarding) Offer Ideal for senior full stack or backend engineers with TypeScript/React/AWS experience who want to shape architecture at a growing, product-led company. More ❯

Senior Full Stack Engineer (Backend-leaning) - High-Growth eCommerce Platform London/Hybrid (1 day per week) · c £80,000 + Share Options · VC-backed Series A Startup 🚫 This company is unable to offer visa sponsorship at this time Shape the Architecture of a High-Growth eCommerce Platform We’re working with … eCommerce space that is scaling fast and working with some of the most recognisable fashion brands globally. They’re looking for a Senior Full Stack Engineer (backend-leaning) to take ownership of architecture, data flows, and complex integrations powering a platform used by millions. This isn’t about tweaking themes, it’s … engineers who want to shape tech foundations pre-scale. Interview Process 30-min culture & tech fit conversation 60–90 min technical scenario interview (no whiteboarding) Offer Ideal for senior full stack or backend engineers with TypeScript/React/AWS experience who want to shape architecture at a growing, product-led company. More ❯

SR2 are currently looking for a experienced Senior Software Engineer for a fast-growing AI start-up in London. Location: Central London (3 days a week onsite). Salary: £75,000 - 85,000. Your Role: Building and maintaining features across the backend (Python, Java or NodeJS). Working across all three cloud platforms (AWS, GCP, Azure … and deploying applications in a cloud environment. Work closely with senior engineers to design, build, and maintain back-end services and systems that support AI-powered products, all whilst meeting tight deadlines. Designing, developing, and deploying scalable APIs. Contributing to system architecture and technical strategy. Writing, testing, and shipping high-quality production code. Participating in code reviews and More ❯

SR2 are currently looking for a experienced Senior Software Engineer for a fast-growing AI start-up in London. Location: Central London (3 days a week onsite). Salary: £75,000 - 85,000. Your Role: Building and maintaining features across the backend (Python, Java or NodeJS). Working across all three cloud platforms (AWS, GCP, Azure … and deploying applications in a cloud environment. Work closely with senior engineers to design, build, and maintain back-end services and systems that support AI-powered products, all whilst meeting tight deadlines. Designing, developing, and deploying scalable APIs. Contributing to system architecture and technical strategy. Writing, testing, and shipping high-quality production code. Participating in code reviews and More ❯

Python Developer - Python, Django, REST API's, AWS, JavaScript OB are partnered with a Global Financial Services company, who are looking to add a highly skilled Python Developer to their team. In this role, you'll be working their Python More ❯

Full Stack Product Engineer – SaaS Startup 🚨 We’re excited to partner with a profitable SaaS startup experiencing rapid growth and strong ARR in a short timeframe. Due to increasing customer demand, they’re expanding their engineering team and looking for product-minded engineers to join them on their journey. 💼 Role Details Title: Senior Product Engineer Location: Hybrid – 3 days/week in Central London office Salary: Up to £120k + Equity Tech Stack: Go, TypeScript, React (open to other strong technical backgrounds) ✅ What They’re Looking For Engineers who think like product owners Prior startup success or fast-paced environment experience A background in top-tier education … growth, product-led team Build features that directly impact customer success Work with a smart, driven team and cutting-edge tech 🚨 Full Stack Product Engineer – SaaS Startup More ❯

architect, coordinate, and maintain our subsystems. We’re doing all of this against a backdrop of continuous innovation and refinement. The Role We are looking for a Fullstack Engineer (Go + React) to help scale and evolve the core Xapien platform as we grow rapidly. Working directly with our Head of Engineering , you will play a key role More ❯

architect, coordinate, and maintain our subsystems. We’re doing all of this against a backdrop of continuous innovation and refinement. The Role We are looking for a Fullstack Engineer (Go + React) to help scale and evolve the core Xapien platform as we grow rapidly. Working directly with our Head of Engineering , you will play a key role More ❯

Futureheads have partnered with an early-stage climate tech venture tackling one of the world’s most urgent challenges. This is a greenfield build where your work will have direct global impact. In this role, you will own the full More ❯

Futureheads have partnered with an early-stage climate tech venture tackling one of the worlds most urgent challenges. This is a greenfield build where your work will have direct global impact. In this role, you will own the full More ❯

London 📅 Fulltime (could be P/T initially) 💵Package: £130,000+ Base Salary: £70,000 - £100,000 + Equity Join us as Senior Full Stack Developer in an AI-powered Fintech/Edtech platform and see your work really come to life as you build software for a leading fintech business driving innovation in … and Learn about money. We are scaling our digital platform and to aid our next phase of product development and growth, we are looking to bring an additional senior hire to grow our engineering function and deliver on an ambitious tech road map. Our Culture We are a highly committed team and have a supportive, growth focussed working More ❯

London 📅 Fulltime (could be P/T initially) 💵Package: £130,000+ Base Salary: £70,000 - £100,000 + Equity Join us as Senior Full Stack Developer in an AI-powered Fintech/Edtech platform and see your work really come to life as you build software for a leading fintech business driving innovation in … and Learn about money. We are scaling our digital platform and to aid our next phase of product development and growth, we are looking to bring an additional senior hire to grow our engineering function and deliver on an ambitious tech road map. Our Culture We are a highly committed team and have a supportive, growth focussed working More ❯

Benefits 39 days holiday 9% pension contribution Stock Options This is your chance to perform the job you love and make a difference in society whilst doing it! Help this one-of-a-kind Social Good platform change the world More ❯