City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
SeniorFull-StackEngineer (TypeScript & LLM Integration) I am currently recruiting on behalf of a forward-thinking technology company that is pioneering the integration of AI into B2B software solutions. We are seeking a highly skilled SeniorFull-StackEngineer with a strong foundation in TypeScript and a keen interest in working with Large Language Models (LLMs). This role offers the opportunity to contribute to a unified codebase that supports both a robust SaaS platform and advanced AI capabilities. You will … Experience deploying and fine-tuning custom AI models Background in developing B2B software platforms with multi-user functionality If you are a driven engineer looking to work at the intersection of modern web development and AI innovation, I would be delighted to discuss this opportunity with you further More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Switch Tech Talent
Role: SeniorFullStackEngineer (Node/React) 🌍 Location: London (Hybrid - 3 days per week) 💰 Salary: £70,000 - £80,000 per annum, plus benefits 🛠 Key Skills: TypeScript, JavaScript, React, Node, SQL/NoSQL 🎵 Industry: Music-tech 🎧 Unique Opportunity: SeniorFull … Edge Tech We’re partnering with an industry-leading music-tech company on the lookout for a SeniorFullStackEngineer to join their creative and purpose-driven team. This is a rare chance to work on products that empower people to … play and create music in ways never done before. As the SeniorFullStackEngineer, you'll be working across a modern stack – TypeScript, React, Node.js, NoSQL – helping build and scale high-performance platforms that sit at the heart of More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Switch Tech Talent
Role: SeniorFullStackEngineer (Node/React) 🌍 Location: London (Hybrid - 3 days per week) 💰 Salary: £70,000 - £80,000 per annum, plus benefits 🛠 Key Skills: TypeScript, JavaScript, React, Node, SQL/NoSQL 🎵 Industry: Music-tech 🎧 Unique Opportunity: SeniorFull … Edge Tech We’re partnering with an industry-leading music-tech company on the lookout for a SeniorFullStackEngineer to join their creative and purpose-driven team. This is a rare chance to work on products that empower people to … play and create music in ways never done before. As the SeniorFullStackEngineer, you'll be working across a modern stack – TypeScript, React, Node.js, NoSQL – helping build and scale high-performance platforms that sit at the heart of More ❯
SeniorFullStackEngineer - THE AI Scale-Up of 2025 | Future Unicorn Up to £130,000 plus excellent stock options Remote First - London Office for those who want it Next.js | React | Typescript | Node Are you a product-focused SeniorFull … 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 … 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 More ❯
SeniorFull-stackEngineer Location : Remote Job Type : Full-time Help us reinvent the CFO🚀 At Nume, we’re pioneering the world’s first AI CFO. Not a chatbot or a dashboard, but a proactive thought partner that founders can … comprehensive platform while contributing to our AI architecture - a state-of-the-art, autonomous and goal-driven system. You'll bring deep full-stack expertise and help us accelerate development across our entire technology stack. Key Responsibilities: Build and enhance our application Develop robust front-end … systems that will serve thousands of users Support AI system integration and contribute to prompt engineering efforts Required Qualifications: 5+ years developing full-stack software applications Expert-level Python skills Strong experience with modern web frameworks (FastAPI, Django, Flask) Proficiency in frontend technologies (React, TypeScript, JavaScript More ❯
london (city of london), south east england, united kingdom
Nume
SeniorFull-stackEngineer Location : Remote Job Type : Full-time Help us reinvent the CFO🚀 At Nume, we’re pioneering the world’s first AI CFO. Not a chatbot or a dashboard, but a proactive thought partner that founders can … comprehensive platform while contributing to our AI architecture - a state-of-the-art, autonomous and goal-driven system. You'll bring deep full-stack expertise and help us accelerate development across our entire technology stack. Key Responsibilities: Build and enhance our application Develop robust front-end … systems that will serve thousands of users Support AI system integration and contribute to prompt engineering efforts Required Qualifications: 5+ years developing full-stack software applications Expert-level Python skills Strong experience with modern web frameworks (FastAPI, Django, Flask) Proficiency in frontend technologies (React, TypeScript, JavaScript More ❯
london (city of london), south east england, united kingdom
Burns Sheehan
SeniorFullStackEngineer | $60m BioTech Startup - Synthetic Biology 💻 SeniorFullStackEngineer 🧬 $60m funded BioTech - Revolutionary synthetic biology 💰 Industry leading compensation package - Enquire for details 📍 3 Days per week - Central London ⚙️ Stack … in medicine, anatomical understanding, drug development and general biological research for generations. We are looking for a SeniorFullStackEngineer, proficient in a Typescript, React and Python based stack with Kubernetes and AWS. Experience with 3D rendering and visluatisation … understanding and unlock new possibilities in areas such as molecular biology and genetic engineering. Are you a SeniorFullStackEngineer keen to contribute to the future of biological research and understanding? Apply within or reach out to James for more information More ❯
SeniorFullStackEngineer | $60m BioTech Startup - Synthetic Biology 💻 SeniorFullStackEngineer 🧬 $60m funded BioTech - Revolutionary synthetic biology 💰 Industry leading compensation package - Enquire for details 📍 3 Days per week - Central London ⚙️ Stack … in medicine, anatomical understanding, drug development and general biological research for generations. We are looking for a SeniorFullStackEngineer, proficient in a Typescript, React and Python based stack with Kubernetes and AWS . Experience with 3D rendering and … understanding and unlock new possibilities in areas such as molecular biology and genetic engineering. Are you a SeniorFullStackEngineer keen to contribute to the future of biological research and understanding? Apply within or reach out to James for more information More ❯
SeniorFullStackEngineer | $60m BioTech Startup - Synthetic Biology SeniorFullStackEngineer $60m funded BioTech - Revolutionary synthetic biology Industry leading compensation package - Enquire for details 3 Days per week - Central London ⚙️ Stack … in medicine, anatomical understanding, drug development and general biological research for generations. We are looking for a SeniorFullStackEngineer, proficient in a Typescript, React and Python based stack with Kubernetes and AWS . Experience with 3D rendering and … understanding and unlock new possibilities in areas such as molecular biology and genetic engineering. Are you a SeniorFullStackEngineer keen to contribute to the future of biological research and understanding? Apply within or reach out to James for more information More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Burns Sheehan
SeniorFullStackEngineer | VC Funded Gifting/Rewards | Remote 💻 SeniorFullStackEngineer 🎁 Gifting/Rewards Platform 🌍 Remote First - (UK) 💰 Up to £110,000 p/a ⚙️ Stack: Typescript, Node, React … teams and clients with meaningful gifts, vouchers and unique experiences. We are looking for a backend leaning SeniorFullStackEngineer, proficient in Typescript, Node, React with cloud experience to join a growing team of customer-centric, cross functional engineers. If you … are a SeniorFullStackEngineer looking to join a thriving company working to improve employee satisfaction across the country, this will be a perfect opportunity. Interested and available to start within a month? Apply within or reach out to James for More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Burns Sheehan
SeniorFullStackEngineer | VC Funded Gifting/Rewards | Remote 💻 SeniorFullStackEngineer 🎁 Gifting/Rewards Platform 🌍 Remote First - (UK) 💰 Up to £110,000 p/a ⚙️ Stack: Typescript, Node, React … teams and clients with meaningful gifts, vouchers and unique experiences. We are looking for a backend leaning SeniorFullStackEngineer, proficient in Typescript, Node, React and Fastify with cloud experience to join a growing team of customer-centric, cross functional engineers. … If you are a SeniorFullStackEngineer looking to join a thriving company working to improve employee satisfaction across the country, this will be a perfect opportunity. Interested and available to start within a month? Apply within or reach out to More ❯
City of London, Greater London, UK Hybrid / WFH Options
Burns Sheehan
SeniorFullStackEngineer | VC Funded Gifting/Rewards | Remote SeniorFullStackEngineer Gifting/Rewards Platform Remote First - (UK) Up to £110,000 p/a ⚙️ Stack: Typescript, Node, React … teams and clients with meaningful gifts, vouchers and unique experiences. We are looking for a backend leaning SeniorFullStackEngineer, proficient in Typescript, Node, React with cloud experience to join a growing team of customer-centric, cross functional engineers. If you … are a SeniorFullStackEngineer looking to join a thriving company working to improve employee satisfaction across the country, this will be a perfect opportunity. Interested and available to start within a month? Apply within or reach out to James for More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Understanding Recruitment
SeniorFullStackEngineer - London (Hybrid) - Up to £90k A well funded start up who are revolutionising real estate transactions through cutting-edge technology combining sophisticated AI capabilities with robust financial data systems are looking for a SeniorFullStackEngineer to join their team. What will I be doing: Design, develop, test, deploy, and maintain robust and scalable backend systems and APIs using Python Build intuitive, performant, and delightful frontend user interfaces using modern JavaScript frameworks like React Work with databases to … Ensure quality and performance of code through comprehensive testing and monitoring What are we looking for: At least 5+ years in professional full-stack software development Strong proficiency in Python for backend development Experience with modern frontend frameworks (React, Vue, Angular) Solid understanding of database technologies More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Understanding Recruitment
SeniorFullStackEngineer - London (Hybrid) - Up to £90k A well funded start up who are revolutionising real estate transactions through cutting-edge technology combining sophisticated AI capabilities with robust financial data systems are looking for a SeniorFullStackEngineer to join their team. What will I be doing: Design, develop, test, deploy, and maintain robust and scalable backend systems and APIs using Python Build intuitive, performant, and delightful frontend user interfaces using modern JavaScript frameworks like React Work with databases to … Ensure quality and performance of code through comprehensive testing and monitoring What are we looking for: At least 5+ years in professional full-stack software development Strong proficiency in Python for backend development Experience with modern frontend frameworks (React, Vue, Angular) Solid understanding of database technologies More ❯
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 … 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 More ❯
london (city of london), south east england, united kingdom
Ki
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 … 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 More ❯
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 … 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 More ❯
Senior Fullstack Engineer - Node/TypeScrip/React - AI MedTech - Salary + Equity - Hybrid, 1 day a week FRESH has partnered with an exciting start-up that is leveraging Artificial Intelligence to improve healthcare services. Through the use of advanced AI, this software can identify potential … to proactively reach out and find solutions. As they enter their next phase of growth, they are seeking a talented and ambitious software engineer to play a key role in the next phase of their expansion. This is a unique opportunity to take ownership, influence key decisions, and More ❯
london (city of london), south east england, united kingdom
FRESH
Senior Fullstack Engineer - Node/TypeScrip/React - AI MedTech - Salary + Equity - Hybrid, 1 day a week FRESH has partnered with an exciting start-up that is leveraging Artificial Intelligence to improve healthcare services. Through the use of advanced AI, this software can identify potential … to proactively reach out and find solutions. As they enter their next phase of growth, they are seeking a talented and ambitious software engineer to play a key role in the next phase of their expansion. This is a unique opportunity to take ownership, influence key decisions, and More ❯
SeniorFull-stackEngineer Location : Remote Job Type : Full-time Help us reinvent the CFO At Nume, we’re pioneering the world’s first AI CFO. Not a chatbot or a dashboard, but a proactive thought partner that founders can … comprehensive platform while contributing to our AI architecture - a state-of-the-art, autonomous and goal-driven system. You'll bring deep full-stack expertise and help us accelerate development across our entire technology stack. Key Responsibilities: Build and enhance our application Develop robust front-end … systems that will serve thousands of users Support AI system integration and contribute to prompt engineering efforts Required Qualifications: 5+ years developing full-stack software applications Expert-level Python skills Strong experience with modern web frameworks (FastAPI, Django, Flask) Proficiency in frontend technologies (React, TypeScript, JavaScript More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Harnham
SENIOR/STAFF FULLSTACKENGINEER SEMI-REMOTE £100-115K THE COMPANY Love building software that genuinely changes how people work? This ambitious visual tech company is creating best-in-class tools for corporate professionals—turning traditionally tedious workflows into a … sleek, fast, and intelligent experience. Think replacing hours of manual work with tinkering with real-time, intuitive tools. THE ROLE As a Senior/Staff FullStackEngineer , you will design and deliver end-to-end features that elevate the user experience … Scaling infrastructure and deployments Providing mentorship and setting technical direction for squads SKILLS AND EXPERIENCE The successful FullStackEngineer will have the following skills and profile: Experience across the fullstack with strong frontend architecture skills Excellent communication skills More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Harnham
SENIOR/STAFF FULLSTACKENGINEER SEMI-REMOTE £100-115K THE COMPANY Love building software that genuinely changes how people work? This ambitious visual tech company is creating best-in-class tools for corporate professionals—turning traditionally tedious workflows into a … sleek, fast, and intelligent experience. Think replacing hours of manual work with tinkering with real-time, intuitive tools. THE ROLE As a Senior/Staff FullStackEngineer , you will design and deliver end-to-end features that elevate the user experience … Scaling infrastructure and deployments Providing mentorship and setting technical direction for squads SKILLS AND EXPERIENCE The successful FullStackEngineer will have the following skills and profile: Experience across the fullstack with strong frontend architecture skills Excellent communication skills More ❯
SeniorFullStackEngineer - London, hybrid 🚀🔥 A startup who are backed by top-tier investors and building a smarter way for people to manage and move their money across borders are looking for a SeniorFullStackMore ❯
london (city of london), south east england, united kingdom
Few&Far
SeniorFullStackEngineer - London, hybrid 🚀🔥 A startup who are backed by top-tier investors and building a smarter way for people to manage and move their money across borders are looking for a SeniorFullStackMore ❯
City of London, London, United Kingdom Hybrid / WFH Options
Understanding Recruitment
SeniorFullStack Developer – AI-Powered PropTech Start-Up Base Salary: Up to £90,000 per annum + Equity Location: London, Hybrid with 2–3 days per week in-office We are seeking a highly skilled SeniorFullStack … transactional value across hundreds of deals. With strong traction in the UK and EU, they’re now poised for international expansion. As a SeniorFullStack Developer , you’ll play a pivotal role in building and scaling the platform. You’ll take ownership of … and collaborate closely with product, design, and AI engineering teams to deliver real user impact. Ideal candidates will have: 5+ years of full-stack experience with Python and modern JavaScript frameworks (React/Next.js preferred) A product mindset, strong technical fundamentals, and ability to move quickly More ❯
