london (city of london), south east england, united kingdom Hybrid / WFH Options
Matched
SeniorFullStack Software Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? start-up financial services, revolutionising the industry Location : Hybrid - 1/2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at … consumers. The organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. SeniorFullStack Software Engineer - Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Guiding and develop the skills of … optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols SeniorFullStack Software Engineer - Experience Required Proven experience as a SeniorFullStack Developer or similar role with a strong portfolio of projects. More ❯
SeniorFull-StackEngineer London AI Start-up Up to £120,000 + Shares + Private Healthcare + Pension Were working with a well-funded AI start-up in London thats gearing up for huge growth. Theyre expecting to scale 10x over the next 18 months. Theyre now looking for a SeniorFull-StackEngineer to help design and build the next generation of their AI-driven platform. Reporting directly into the CTO and collaborating closely with product and research teams, this is a unique chance to take ownership across the stack and make a lasting impact in a company at the … big plus. The role is full-time, 3/4 days a week in their London office. What theyre looking for Strong experience as a Full-StackEngineer across React, Next.js, Node.js, and Python. Solid knowledge of SQL databases and data modelling. Hands-on experience with cloud platforms (AWS or GCP). More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Burns Sheehan
SeniorFullStackEngineer THE AI Scale-Up of 2025 | Future Unicorn Up to 125,000 plus excellent stock options London Office - 2 days a week Next.js | React | Typescript | Node Are you a product-focused SeniorFullStackEngineer who enjoys autonomy and wants … to build products from end-to-end? If so, read on SeniorFullStackEngineer We have been exclusively engaged by one of the most exciting tech start-ups in the UK, who are looking for SeniorFullStack Engineers as they continue to grow significantly … They believe in building fast and iterating, working closely with product and customers, to evolve their cutting-edge AI solutions. What is SeniorFullStackEngineer for them? The SeniorFullStackEngineer will have experience of building complex solutions in product-driven companies More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Burns Sheehan
SeniorFullStackEngineer – THE AI Scale-Up of 2025 | Future Unicorn Up to £125,000 plus excellent stock options London Office - 2 days a week Next.js | React | Typescript | Node Are you a product-focused SeniorFullStackEngineer who enjoys autonomy and wants … to build products from end-to-end? If so, read on... SeniorFullStackEngineer – We have been exclusively engaged by one of the most exciting tech start-ups in the UK, who are looking for SeniorFullStack Engineers as they continue to grow significantly … They believe in building fast and iterating, working closely with product and customers, to evolve their cutting-edge AI solutions. What is SeniorFullStackEngineer for them? The SeniorFullStackEngineer will have experience of building complex solutions in product-driven companies More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Twelve
Senior Fullstack Engineer (Python) | GenAI-Powered Fintech We are looking for a Senior Fullstack Engineer whose primary language is Python with a strong GenAI-led engineering approach to join this highly profitable, mid-sized fintech in London thats experiencing continuous growth. The successful Snr Fullstack Engineer will join a dynamic … innovation. They offer a flexible hybrid working model and are deeply focused on leveraging AI to revolutionise their development process. We're looking for a solid, experienced full-stack practitioner who can make a substantial impact across the platform. Your Core Expertise: Python (Primary Language) Solid full-stack development experience. Proven experience … iterate on code that is generated by AI agents. 'Good Looks Like': Insights into which available GenAI tools and workflows yield the best results for robust, maintainable full-stack engineering. What's on Offer Highly Competitive Salary and a comprehensive benefits package. Hybrid Working model based in London. A genuinely great culturecollaborative, empowering, and focused on More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Twelve
Senior Fullstack Engineer (Python) | GenAI-Powered Fintech We are looking for a Senior Fullstack Engineer whose primary language is Python with a strong GenAI-led engineering approach to join this highly profitable, mid-sized fintech in London that’s experiencing continuous growth. The successful Snr Fullstack Engineer will join a … innovation. They offer a flexible hybrid working model and are deeply focused on leveraging AI to revolutionise their development process. We're looking for a solid, experienced full-stack practitioner who can make a substantial impact across the platform. Your Core Expertise: Python (Primary Language) 🐍 Solid full-stack development experience. Proven experience … iterate on code that is generated by AI agents. 'Good Looks Like': Insights into which available GenAI tools and workflows yield the best results for robust, maintainable full-stack engineering. What's on Offer 🎁 Highly Competitive Salary and a comprehensive benefits package. Hybrid Working model based in London. A genuinely great culture—collaborative, empowering, and focused More ❯
london (city of london), south east england, united kingdom
Burns Sheehan
SeniorFullStackEngineer | AI SaaS | Typescript/React/Node SeniorFullStackEngineer Up to 90,000 per annum + Equity d.o.e Required Skills: Typescript, React, Node AI-Powered SaaS for thriving sectors Were working with a fast-growing SaaS company building … leading firms across Europe, the company is scaling quickly and expanding its engineering team to meet demand. Theyre now looking for a SeniorFullStackEngineer to help evolve the core product, extend automation capabilities, and support new data-driven features. What youll be doing as a SeniorFull … intricate user needs into clean, reliable solutions Contributing to architectural discussions and mentoring across the engineering team What youll bring as a SeniorFullStackEngineer: Strong experience building production systems across the stack (React, Node, Typescript) Good understanding of system design, data modelling, and API architecture Experience with cloud More ❯
SeniorFullStackEngineer | AI SaaS | Typescript/React/Node SeniorFullStackEngineer Up to £90,000 per annum + Equity d.o.e Required Skills: Typescript, React, Node AI-Powered SaaS for thriving sectors We’re working with a fast-growing SaaS company … firms across Europe, the company is scaling quickly and expanding its engineering team to meet demand. They’re now looking for a SeniorFullStackEngineer to help evolve the core product, extend automation capabilities, and support new data-driven features. What you’ll be doing as a SeniorFull … user needs into clean, reliable solutions Contributing to architectural discussions and mentoring across the engineering team What you’ll bring as a SeniorFullStackEngineer: Strong experience building production systems across the stack (React, Node, Typescript) Good understanding of system design, data modelling, and API architecture Experience with cloud More ❯
Senior Fullstack Engineer (React/Python) Salary: Up to £80k Location: 1 day p/week in London Senior Fullstack Engineer (React/Python) - would you like the opportunity to work for a start-up who are helping organisations reduce their energy costs? They have raised over £2.5 million so far and … are pushing for Series A funding. As a Senior Fullstack Engineer, you will work with their product team to design, code and test their platform, while also working together with their customers and partners Key requirements: 4+ years’ experience working with JavaScript and React. Experience working with Python. Experience working with Django. AWS. Bonus if you … have worked in start-ups before. If you’re a Senior Fullstack Engineer (React, Python) looking for a new challenge, please apply. More ❯
Senior Software Engineer (Music Tech/AI) - TypeScript, NestJS, NextJS 📍Location: West London, 2-3 days a week on site 💸Salary: £90,000-110,000 📈 Incubated: A startup within a global music business ⚙️Required Skills: TypeScript, NextJS, Nextjs, GCP, ReactJS 👥 *High Societal Impact* Join a startup redefining music technologies' role within health and wellbeing.. We're … and across the stack with TypeScript Experience working with ReactJS or similar on the front end Motivated to work on ambiguous projects with relatively novel challenges Senior Software Engineer (Music Tech/AI) - TypeScript, NestJS, NextJS, GCP More ❯
london (city of london), south east england, united kingdom
Burns Sheehan
Senior Software Engineer (Music Tech/AI) - TypeScript, NestJS, NextJS 📍Location: West London, 2-3 days a week on site 💸Salary: £90,000-110,000 📈 Incubated: A startup within a global music business ⚙️Required Skills: TypeScript, NextJS, Nextjs, GCP, ReactJS 👥 *High Societal Impact* Join a startup redefining music technologies' role within health and wellbeing.. We're … and across the stack with TypeScript Experience working with ReactJS or similar on the front end Motivated to work on ambiguous projects with relatively novel challenges Senior Software Engineer (Music Tech/AI) - TypeScript, NestJS, NextJS, GCP More ❯
About the Job Senior Fullstack Engineer (React/.Net) – London (Victoria) | Hybrid £80k - £110k Are you ready to craft the next generation of data-driven digital experiences for one of Europe’s most technically advanced SaaS innovators? Our client, a pioneer in B2B SaaS solutions , is … building “Your Shipping Analytics Supercomputer” , providing cutting-edge data visualisation and dynamic dashboards for high-velocity business & artificial intelligence. About the Role As a SeniorFull-stackEngineer , you’ll play a key role in architecting and developing scalable, high-performance web applications that bring complex data to life. Working across both … This is an outstanding opportunity to design and deliver the front-end of a platform that’s redefining how businesses interact with data. If you’re a passionate engineer who loves solving complex problems through clean, intelligent design — let’s connect More ❯
london (city of london), south east england, united kingdom
Impala Search
About the Job Senior Fullstack Engineer (React/.Net) – London (Victoria) | Hybrid £80k - £110k Are you ready to craft the next generation of data-driven digital experiences for one of Europe’s most technically advanced SaaS innovators? Our client, a pioneer in B2B SaaS solutions , is … building “Your Shipping Analytics Supercomputer” , providing cutting-edge data visualisation and dynamic dashboards for high-velocity business & artificial intelligence. About the Role As a SeniorFull-stackEngineer , you’ll play a key role in architecting and developing scalable, high-performance web applications that bring complex data to life. Working across both … This is an outstanding opportunity to design and deliver the front-end of a platform that’s redefining how businesses interact with data. If you’re a passionate engineer who loves solving complex problems through clean, intelligent design — let’s connect More ❯
SeniorFullStackEngineer | Node.js & SQL | DataHeavy FinTech Platform Youll join a 50person, London/US SaaS scaleup serving toptier investment firms with a marketleading, data analytics platform for global credit investors (think Reuters and Bloomberg) The engineering org is Londonbased (circa 1314 people across DevOps, Frontend, AI/ML, Backend, and … cycle to work; choice of quality hardware A great role here and the chance to work with an awesome team. Apply ASAP! SeniorFullStackEngineer | Node.js & SQL | DataHeavy FinTech Platform More ❯
london (city of london), south east england, united kingdom
Prism Digital
SeniorFullStackEngineer | Node.js & SQL | DataHeavy FinTech Platform Youll join a 50person, London/US SaaS scaleup serving toptier investment firms with a marketleading, data analytics platform for global credit investors (think Reuters and Bloomberg) The engineering org is Londonbased (circa 1314 people across DevOps, Frontend, AI/ML, Backend, and … cycle to work; choice of quality hardware A great role here and the chance to work with an awesome team. Apply ASAP! SeniorFullStackEngineer | Node.js & SQL | DataHeavy FinTech Platform More ❯
SeniorFullStackEngineer | Node.js & SQL | Data‐Heavy FinTech Platform You’ll join a 50‐person, London/US SaaS scale‐up serving top‐tier investment firms with a market‐leading, data analytics platform for global credit investors (think Reuters and Bloomberg) The engineering org is London‐based (circa 13–14 people … cycle to work; choice of quality hardware A great role here and the chance to work with an awesome team. Apply ASAP! SeniorFullStackEngineer | Node.js & SQL | Data‐Heavy FinTech Platform More ❯
london (city of london), south east england, united kingdom
Prism Digital
SeniorFullStackEngineer | Node.js & SQL | Data‐Heavy FinTech Platform You’ll join a 50‐person, London/US SaaS scale‐up serving top‐tier investment firms with a market‐leading, data analytics platform for global credit investors (think Reuters and Bloomberg) The engineering org is London‐based (circa 13–14 people … cycle to work; choice of quality hardware A great role here and the chance to work with an awesome team. Apply ASAP! SeniorFullStackEngineer | Node.js & SQL | Data‐Heavy FinTech Platform More ❯
backed by top investors, with a world-class team combining expertise in AI, behavioral science, and strategic simulation. We’re now looking for a SeniorFull-StackEngineer to help us build the next generation of applied AI tools. What You’ll Do Build and ship production features end-to-end across … system patterns. Refactor and optimise existing systems for performance and maintainability. Improve quality and speed through testing and CI/CD. Work side-by-side with founders and senior engineers — we collaborate on-site four days a week. Requirements What We’re Looking For 5+ years’ experience building production software (exceptional 4+ considered). Strong proficiency in Python More ❯
london (city of london), south east england, united kingdom
Electric Twin
backed by top investors, with a world-class team combining expertise in AI, behavioral science, and strategic simulation. We’re now looking for a SeniorFull-StackEngineer to help us build the next generation of applied AI tools. What You’ll Do Build and ship production features end-to-end across … system patterns. Refactor and optimise existing systems for performance and maintainability. Improve quality and speed through testing and CI/CD. Work side-by-side with founders and senior engineers — we collaborate on-site four days a week. Requirements What We’re Looking For 5+ years’ experience building production software (exceptional 4+ considered). Strong proficiency in Python More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
SeniorFullStackEngineer London based, hybrid working, 2 days a week in office Salaries paying £85k-£130k + Bonus Oliver Bernard have partnered with a challenger bank in London who are building the next generation of financial products. We are looking for SeniorFullStack … looking for someone to start as soon as possible and they are moving quickly with interviews! Please apply now for more information! SeniorFullStackEngineerMore ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
SeniorFullStackEngineer London based, hybrid working, 1 day a week in office Salaries paying £85k-£130k + Bonus Oliver Bernard have partnered with a challenger bank in London who are building the next generation of financial products. We are looking for SeniorFullStack … looking for someone to start as soon as possible and they are moving quickly with interviews! Please apply now for more information! SeniorFullStackEngineerMore ❯
research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. We're looking for a SeniorFull-stackEngineer to join our Development team. Principal Accountabilities: • Build robust and scalable software for business critical, web-based applications • Build eye-catching, functional, efficient, and … for one or more of Ki’s core technologies • Mentor and coach colleagues in both engineering and business domain subjects Required Skills and Experience: • Experience as a mid-senior level engineer working across a modern web stack • Strong software engineering principles (SOLID, DRY, ER modelling) • Professional experience with a server-side language, ideally JVM More ❯
london (city of london), south east england, united kingdom
Ki
research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. We're looking for a SeniorFull-stackEngineer to join our Development team. Principal Accountabilities: • Build robust and scalable software for business critical, web-based applications • Build eye-catching, functional, efficient, and … for one or more of Ki’s core technologies • Mentor and coach colleagues in both engineering and business domain subjects Required Skills and Experience: • Experience as a mid-senior level engineer working across a modern web stack • Strong software engineering principles (SOLID, DRY, ER modelling) • Professional experience with a server-side language, ideally JVM More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Capsa AI
At a Glance Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring senior software engineers who are comfortable contributing across all layers of the application and developing features end to end. Details: Role : Senior Software Engineer - FullStack Location : London … companies like QinetiQ and retail tech startups such as Standard AI. The entire team consists of early-stage startup veterans passionate about building exceptional products. The Role A senior software engineer at Capsa is expected to own projects and features from conception to production, working across the stack to deliver improvements to our AI … will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if: You have 4+ years of experience as a software engineer in a venture backed startup or top tech firm. You have taken entire products or features from ideation to production and you've measured their impact. You have experience More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Capsa AI
At a Glance Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring senior software engineers who are comfortable contributing across all layers of the application and developing features end to end. Details: Role : Senior Software Engineer - FullStack Location : London … companies like QinetiQ and retail tech startups such as Standard AI. The entire team consists of early-stage startup veterans passionate about building exceptional products. The Role A senior software engineer at Capsa is expected to own projects and features from conception to production, working across the stack to deliver improvements to our AI … will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if: You have 4+ years of experience as a software engineer in a venture backed startup or top tech firm. You have taken entire products or features from ideation to production and you've measured their impact. You have experience More ❯
