london (city of london), south east england, united kingdom Hybrid / WFH Options
Capsa AI
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, UK (Hybrid, In-Person 4 days a week) Experience Required: 4+ years Remuneration : £80k → £110k + Generous ESOP Visa : Unfortunately, we … 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 platform. Key responsibilities include … 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 ❯
Senior FullStackEngineer Location: London (Onsite – 5 days per week) Salary & Benefits: £80,000–£120,000 + Equity + Benefits A high-growth AI technology company is seeking a Senior FullStackEngineer to join their world-class engineering team. This is a rare opportunity to work … and testing to debugging and optimisation. Contribute to architectural decisions and help shape the technical direction of the platform. Skills & Experience 3+ years of professional experience building full-stack applications at scale. Strong backend development skills in Python or Go, with experience designing APIs and working with databases such as PostgreSQL and Redis. Proven experience with More ❯
Senior FullStackEngineer Location: London (Onsite – 5 days per week) Salary & Benefits: £80,000–£120,000 + Equity + Benefits A high-growth AI technology company is seeking a Senior FullStackEngineer to join their world-class engineering team. This is a rare opportunity to work … and testing to debugging and optimisation. Contribute to architectural decisions and help shape the technical direction of the platform. Skills & Experience 3+ years of professional experience building full-stack applications at scale. Strong backend development skills in Python or Go, with experience designing APIs and working with databases such as PostgreSQL and Redis. Proven experience with More ❯
Senior FullStackEngineer Location: London (Onsite – 5 days per week) Salary & Benefits: £80,000–£120,000 + Equity + Benefits A high-growth AI technology company is seeking a Senior FullStackEngineer to join their world-class engineering team. This is a rare opportunity to work … and testing to debugging and optimisation. Contribute to architectural decisions and help shape the technical direction of the platform. Skills & Experience 3+ years of professional experience building full-stack applications at scale. Strong backend development skills in Python or Go, with experience designing APIs and working with databases such as PostgreSQL and Redis. Proven experience with More ❯
london (city of london), south east england, united kingdom
Investigo
Senior FullStackEngineer Location: London (Onsite – 5 days per week) Salary & Benefits: £80,000–£120,000 + Equity + Benefits A high-growth AI technology company is seeking a Senior FullStackEngineer to join their world-class engineering team. This is a rare opportunity to work … and testing to debugging and optimisation. Contribute to architectural decisions and help shape the technical direction of the platform. Skills & Experience 3+ years of professional experience building full-stack applications at scale. Strong backend development skills in Python or Go, with experience designing APIs and working with databases such as PostgreSQL and Redis. Proven experience with More ❯
Senior FullStackEngineer Location: London (Onsite – 5 days per week) Salary & Benefits: £80,000–£120,000 + Equity + Benefits A high-growth AI technology company is seeking a Senior FullStackEngineer to join their world-class engineering team. This is a rare opportunity to work … and testing to debugging and optimisation. Contribute to architectural decisions and help shape the technical direction of the platform. Skills & Experience 3+ years of professional experience building full-stack applications at scale. Strong backend development skills in Python or Go, with experience designing APIs and working with databases such as PostgreSQL and Redis. Proven experience with More ❯
by the end of 2025. Join us and be part of a team that’s revolutionizing how entrepreneurship is taught and practiced! The Role As a Senior Fullstack Engineer at Oneday, you will play a pivotal role in building a performant, reliable, and elegant product experience across our platform – both frontend and backend. Our product includes a learning More ❯
by the end of 2025. Join us and be part of a team that’s revolutionizing how entrepreneurship is taught and practiced! The Role As a Senior Fullstack Engineer at Oneday, you will play a pivotal role in building a performant, reliable, and elegant product experience across our platform – both frontend and backend. Our product includes a learning More ❯
For Racers & Builders – Join Pre-Funding as a Founding Engineer -- EQUITY ONLY UNTIL FUNDING -- Tired of building yet another corporate tool, banking app, or security compliance dashboard? If you have always been thinking you should co-found a product you can truly own and shape, this is your chance. At XRACEAI , we’re creating a next-generation sport … been thoroughly validated with real users who have a strong interest and an average NPS score of 8-9. Your Role: As our Founding FullStackEngineer, you will own the end-to-end engineering of XRACEAI — from data pipelines to AI integration, from cloud infrastructure to frontend experiences. You’ll work directly … onboarded top talent across Product, creative, and Racing domains — now we’re looking for the technical backbone to complete the founding team. You’ll wear multiple hats: backend engineer, frontend developer, architect, DevOps, and data engineer- This is not a regular job. It’s a founding opportunity for someone who lives and breathes racing and wants More ❯
For Racers & Builders – Join Pre-Funding as a Founding Engineer -- EQUITY ONLY UNTIL FUNDING -- Tired of building yet another corporate tool, banking app, or security compliance dashboard? If you have always been thinking you should co-found a product you can truly own and shape, this is your chance. At XRACEAI , we’re creating a next-generation sport … been thoroughly validated with real users who have a strong interest and an average NPS score of 8-9. Your Role: As our Founding FullStackEngineer, you will own the end-to-end engineering of XRACEAI — from data pipelines to AI integration, from cloud infrastructure to frontend experiences. You’ll work directly … onboarded top talent across Product, creative, and Racing domains — now we’re looking for the technical backbone to complete the founding team. You’ll wear multiple hats: backend engineer, frontend developer, architect, DevOps, and data engineer- This is not a regular job. It’s a founding opportunity for someone who lives and breathes racing and wants More ❯
operations, algorithm research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. We're looking for a Senior Full-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 … 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 based • Professional experience building More ❯
operations, algorithm research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. We're looking for a Senior Full-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 … 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 based • Professional experience building More ❯
operations, algorithm research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. We're looking for a Senior Full-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 … 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 based • Professional experience building More ❯
london (city of london), south east england, united kingdom
Ki
operations, algorithm research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. We're looking for a Senior Full-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 … 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 based • Professional experience building More ❯
operations, algorithm research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. We're looking for a Senior Full-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 … 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 based • Professional experience building More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ocean Orchestra
Ocean Orchestra - Senior FullStackEngineer At a glance : 💰 £75–95K + equity 🌍 Climate tech with global impact 🛠 Early engineer, greenfield build 🏠 Remote-first UK + London office a few days 🎯 Autonomy, ownership, and direct impact About the Company Founded in January 2025, Ocean Orchestra aims to be a generational force for More ❯
Ocean Orchestra - Senior FullStackEngineer At a glance : 💰 £75–95K + equity 🌍 Climate tech with global impact 🛠 Early engineer, greenfield build 🏠 Remote-first UK + London office a few days 🎯 Autonomy, ownership, and direct impact About the Company Founded in January 2025, Ocean Orchestra aims to be a generational force for More ❯
london, south east england, united kingdom Hybrid / WFH Options
Ocean Orchestra
Ocean Orchestra - Senior FullStackEngineer At a glance : 💰 £75–95K + equity 🌍 Climate tech with global impact 🛠 Early engineer, greenfield build 🏠 Remote-first UK + London office a few days 🎯 Autonomy, ownership, and direct impact About the Company Founded in January 2025, Ocean Orchestra aims to be a generational force for More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Ocean Orchestra
Ocean Orchestra - Senior FullStackEngineer At a glance : 💰 £75–95K + equity 🌍 Climate tech with global impact 🛠 Early engineer, greenfield build 🏠 Remote-first UK + London office a few days 🎯 Autonomy, ownership, and direct impact About the Company Founded in January 2025, Ocean Orchestra aims to be a generational force for More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Ocean Orchestra
Ocean Orchestra - Senior FullStackEngineer At a glance : 💰 £75–95K + equity 🌍 Climate tech with global impact 🛠 Early engineer, greenfield build 🏠 Remote-first UK + London office a few days 🎯 Autonomy, ownership, and direct impact About the Company Founded in January 2025, Ocean Orchestra aims to be a generational force for More ❯
NG1, Nottingham, Nottinghamshire, United Kingdom Hybrid / WFH Options
Rebel Recruitment Limited
Role: Senior Fullstack Engineer Location: Nottingham Working Arrangement: Hybrid, 3 days per week in office with flexibility around working hours Salary up to £75k Tech for Good – Renewable Energy Are you ready to shape the future of a growing tech company in the renewable energy sector? With a new CTO at the helm and major investment in place … is a pivotal moment to join. They’re embarking on an ambitious journey to enhance their product suite and launch cutting-edge greenfield projects. As a Senior Software Engineer, you’ll play a key role in high-impact product teams, driving new development while ensuring top-tier quality and performance. You’ll have the autonomy to influence technical … C#, .NET 9 ·React - open to Typescript & other SPA framework experience (Angular/Vue) ·AWS - open to other cloud experience (Azure/GCP) If you’re an experienced engineer looking for a role where you can make a tangible impact while working with the latest tech, we’d love to hear from you! Apply now for immediate consideration More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Client Server
FullStackEngineer/Developer (TypeScript Elixir AWS) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on FullStack … Healthcare Continuous career development and learning opportunities Influential role as part of a small, close knit team Complex and interesting work Your role: As a FullStackEngineer you will take ownership, working on technically challenging Greenfield development projects. You'll be working on complex problems with scalability and reliability in mind, across the …/SMEs and have good business acumen Ideally you will have a good understanding of financial markets Apply now to find out more about this FullStackEngineer/Developer (TypeScript FullStack Elixir) opportunity. At Client Server we believe in a diverse workplace that allows people to play to More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
FullStackEngineer/Developer (TypeScript Elixir AWS) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on FullStack … Healthcare Continuous career development and learning opportunities Influential role as part of a small, close knit team Complex and interesting work Your role: As a FullStackEngineer you will take ownership, working on technically challenging Greenfield development projects. You'll be working on complex problems with scalability and reliability in mind, across the …/SMEs and have good business acumen Ideally you will have a good understanding of financial markets Apply now to find out more about this FullStackEngineer/Developer (TypeScript FullStack Elixir) opportunity. At Client Server we believe in a diverse workplace that allows people to play to More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
FullStackEngineer/Developer (TypeScript Elixir AWS) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on FullStack … Healthcare Continuous career development and learning opportunities Influential role as part of a small, close knit team Complex and interesting work Your role: As a FullStackEngineer you will take ownership, working on technically challenging Greenfield development projects. You'll be working on complex problems with scalability and reliability in mind, across the …/SMEs and have good business acumen Ideally you will have a good understanding of financial markets Apply now to find out more about this FullStackEngineer/Developer (TypeScript FullStack Elixir) opportunity. At Client Server we believe in a diverse workplace that allows people to play to More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Client Server
FullStackEngineer/Developer (TypeScript Elixir AWS) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on FullStack … Healthcare Continuous career development and learning opportunities Influential role as part of a small, close knit team Complex and interesting work Your role: As a FullStackEngineer you will take ownership, working on technically challenging Greenfield development projects. You'll be working on complex problems with scalability and reliability in mind, across the …/SMEs and have good business acumen Ideally you will have a good understanding of financial markets Apply now to find out more about this FullStackEngineer/Developer (TypeScript FullStack Elixir) opportunity. At Client Server we believe in a diverse workplace that allows people to play to More ❯
