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Senior Full Stack Developer

Senior Full-Stack Developer Location: London (Hybrid) Industry: FinTech Startup Employment Type: Full-timeAbout the Company We are a fast-growing fintech startup building modern financial products that simplify how businesses and consumers manage money. Our ...

Senior Engineering Manager

United Kingdom - London Posted: 03/04/2026 Salary: £0.00 to £800.00 per Day ID: 37223_BH Apply OR Senior Engineering Manager - Backend Platform6 months contract initially, Outside IR35, London based office (1 day a week on site preferred)<b ...

Senior Engineering Manager

United Kingdom - London Posted: 03/04/2026 Salary: £0.00 to £800.00 per Day ID: 37223_BH Apply OR Senior Engineering Manager - Backend Platform6 months contract initially, Outside IR35, London based office (1 day a week on site preferred)<b ...

Backend Software Engineer C#.Net Azure API

Backend Software Engineer / Developer (C# .Net Azure API) London / WFH to £75kAre you a backend focused Software Engineer with a strong knowledge of Azure?You could be progressing your career in a senior, hands-on Backend Software Engineer role at a hugely successful, global health / well ...

Backend Software Engineer C#.Net Azure API

Backend Software Engineer / Developer (C# .Net Azure API) London / WFH to £75kAre you a backend focused Software Engineer with a strong knowledge of Azure?You could be progressing your career in a senior, hands-on Backend Software Engineer role at a hugely successful, global health / well ...

Senior Software Engineer

Role Title / Position: Software Development Engineer Type : Contract Duration:12 months Location : London (EC2A 2FA), UK Hybrid / Onsite : 5 days required onsite. Job Description: Must Haves : Strong backend exp ...

Senior Software Engineer

Role Title / Position: Software Development Engineer Type : Contract Duration:12 months Location : London (EC2A 2FA), UK Hybrid / Onsite : 5 days required onsite. Job Description: Must Haves : Strong backend exp ...

Quant Developer OTC Pricing

A high-growth institutional trading business in the digital assets market is expanding its London team and hiring a Quant Developer to join its OTC pricing function. This is a great opportunity to join a successful firm adding headcount as it continues to grow, and to work on highly visible quantitative systems ...

Quant Developer OTC Pricing

A high-growth institutional trading business in the digital assets market is expanding its London team and hiring a Quant Developer to join its OTC pricing function. This is a great opportunity to join a successful firm adding headcount as it continues to grow, and to work on highly visible quantitative systems ...

Senior Software Developer, UK (Full Stack)

Senior Full-Stack Software Developer, UK – Job Description Reports To: Development Manager, UK Location:  Hybrid (2 days in the office) London, England About the Job: We’re looking for a Senior Full-Stack Software Developer to build high-impact features powering high-volume systems in the liv ...

Senior Software Developer, UK (Full Stack)

Senior Full-Stack Software Developer, UK – Job Description Reports To: Development Manager, UK Location:  Hybrid (2 days in the office) London, England About the Job: We’re looking for a Senior Full-Stack Software Developer to build high-impact features powering high-volume systems in the liv ...

Release Manager – Active SC, AWS

Release Manager – Active SC, AWSUp to £500 per day – Inside IR35Remote / Must be UK based6 monthsMy client is an instantly recognisable consultancy who require a Release Manager with Active SC clearance for an end client within the public sector.Key Requirements:Provenmercial experience working as a Release ...

Release Manager – Active SC, AWS

Release Manager – Active SC, AWSUp to £500 per day – Inside IR35Remote / Must be UK based6 monthsMy client is an instantly recognisable consultancy who require a Release Manager with Active SC clearance for an end client within the public sector.Key Requirements:Provenmercial experience working as a Release ...

Backend Engineer, AI (Agent Systems)

About the Role A1 is building a proactive AI chat app for everyday users to bring intelligence to conversations, errands, organising and workflows. Unlike traditional chat-based applications, our product focuses on achieving high reliability for long-running workflows, persistent context, and rea ...

Hybrid Senior Backend & Elasticsearch Architect

A leading property technology company in Greater London is seeking a Principal Engineer. In this senior role, you will shape the future of engineering in the consumer domain, leading scalable systems and driving architectural direction. You’ll require deep expertise in complex systems and strong leadership skill ...

Senior Reliability Engineer Backend & Observability

A global technology company is seeking a Senior Software Engineer for their Reliability Engineering team to enhance the reliability and performance of their products. The ideal candidate will have experience with microservices and cloud architecture, and will work cross-functionally to optimize backend services ...

Senior Backend Engineer Trust Detection

Company DescriptionDepop is the community-powered circular fashion marketplace where anyone can buy, sell and discover desirable secondhand fashion. With a community of over 35 million users, Depop is on a mission to make fashion circular, redefining fashion consumption. Founded in 2011, the company is headquart ...

Senior Backend Software Engineer (UK)

JoinPigment: The AI Platform Redefining Business Planning Pigment is the AI‑powered business planning and performance management platform built for agility and scale. We connect people, data, and processes in one intuitive, feature‑rich solution, empowering every team—from Finance to HR—to ...

Fractional Senior Backend Software Engineer

Who you are You will be an established Senior Engineer with a diverse Backend focused skill set We would ideally like to see a strong focus with Golang as your primary language but if you have a polyglot approach to engineering across a range of backend languages and some exposure to ...

Ruby on Rails Backend Engineer

Senior Ruby on Rails Engineer Fulham (2/3 days on-site) £60,000 - £80,000 + Private Healthcare & BenefitsThis is an excellent opportunity for a Mid-to-Senior Ruby on Rails Engineer to join a start-up in a role where you will play a major part in future developments.This co ...

Senior Backend Engineer Commercial Technology

Your MissionAs a Backend Engineer in our Commercial cluster, you will be at the heart of On's digital ecosystem. You will design, build, and scale the critical services that power our global e-commerce platform, B2B partner portals, and retail experiences. Your work will directly impact how we d ...

Full Stack Engineer (Backend Heavy)

ABOUT QUANTUMLOOPAIQuantumLoopAI is one of the UK's fastest-growing healthtech companies. Our AI-powered platform, EMMA, is used by hundreds of organisations across the UK to manage communications, automate workflows and deliver better outcomes through intelligent automation. Backed by leading investor ...

Senior Backend Engineer Data Governance

Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving int ...

Backend Engineer – Music Tech – PHP

Job Description The Role As a senior backend PHP engineer for this scaling Music Tech Startup you will join a team of 5 to deliver on a variety of greenfield projects and new feature builds. You will join a supportive and collaborative team that regularly meets and enjoy cel ...

Senior Backend Engineer Commerce Platform

The Subscriptions Mission team focuses on building the systems and experiences that help Spotify acquire, convert, and retain subscribers around the world. The team works across product, engineering, and data to power Spotify’s subscription offerings, ensuring seamless purchase, billing, and customer service ...

Software Engineering Intern, Backend Development

About the Hiring TeamLevel Infinite is Tencent’s global gaming brand. It is a global game publisher offering a comprehensive network of services for games, development teams, and studios around the world.We are dedicated to delivering engaging and original gaming experiences ...

Mid Backend Software Engineer Python

About ZepzZepz is the group powering two leading global remittance brands: WorldRemit and Sendwave. Since 2010, we have been disrupting an industry previously dominated by offline legacy players with our relentless focus on reducing the cost of remittances and increasing safety and ...

Staff Backend Engineer Data Platform

Staff Backend Engineer - Data PlatformTeam: Engineering & DataLocation: Depop - LondonCompany DescriptionDepop is the community-powered circular fashion marketplace where anyone can buy, sell and discover desirable secondhand fashion. With a c ...

Backend Engineer Spend Clearing & Transactions

Company Description Wise is one the fastest growing companies in Europe and we’re on a mission: to make money without borders the new normal. We’ve got over 16 million customers across the globe and we’re growing. Fast. Current banking systems don’t let us send, spend or rec ...

Backend/Data Engineer Data Platform

You’ll join the Data Collection Product Area within our Platform mission, where we build and operate the systems that power how data flows across Spotify. Our team develops the core event delivery infrastructure that enables hundreds of teams to collect and use data at massive scale. Every day, we support the de ...

Senior Backend Engineer (Remote) UK

The role:We are looking for highly talented and driven software engineers who take pride in their work, to expand our Engineering team in London. Successful candidates will join a cross functional team including product managers and designers working closely with the rest of our business to deli ...

Senior Product Engineer (Backend) London

About SequenceIf you join Sequence, you'll help build the platform that lets companies get paid - we’re already processing $1bn+ in annual invoice volume and growing fast.We're building the AI-powered revenue platform for modern finance teams, replacing fragile spreadsheets ...

Senior Backend Software Engineer Infrastructure

A World-Changing CompanyPalantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more.The R ...

Backend Engineer Spend Clearing & Transactions

Company Description Wise is one the fastest growing companies in Europe and we’re on a mission: to make money without borders the new normal. We’ve got over 16 million customers across the globe and we’re growing. Fast. Current banking systems don’t let us send, spend or rec ...

Senior Backend Engineer Commerce Platform

The Subscriptions Mission team focuses on building the systems and experiences that help Spotify acquire, convert, and retain subscribers around the world. The team works across product, engineering, and data to power Spotify’s subscription offerings, ensuring seamless purchase, billing, and customer service ...

Staff Backend Engineer Data Platform

Staff Backend Engineer - Data PlatformTeam: Engineering & DataLocation: Depop - LondonCompany DescriptionDepop is the community-powered circular fashion marketplace where anyone can buy, sell and discover desirable secondhand fashion. With a c ...

Senior Backend Engineer Commercial Technology

Your MissionAs a Backend Engineer in our Commercial cluster, you will be at the heart of On's digital ecosystem. You will design, build, and scale the critical services that power our global e-commerce platform, B2B partner portals, and retail experiences. Your work will directly impact how we d ...

Software Engineering Intern, Backend Development

About the Hiring TeamLevel Infinite is Tencent’s global gaming brand. It is a global game publisher offering a comprehensive network of services for games, development teams, and studios around the world.We are dedicated to delivering engaging and original gaming experiences ...

Backend/Data Engineer Data Platform

You’ll join the Data Collection Product Area within our Platform mission, where we build and operate the systems that power how data flows across Spotify. Our team develops the core event delivery infrastructure that enables hundreds of teams to collect and use data at massive scale. Every day, we support the de ...

Senior Backend Engineer Data Governance

Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving int ...

Senior Product Engineer (Backend) London

About SequenceIf you join Sequence, you'll help build the platform that lets companies get paid - we’re already processing $1bn+ in annual invoice volume and growing fast.We're building the AI-powered revenue platform for modern finance teams, replacing fragile spreadsheets ...

Mid Backend Software Engineer Python

About ZepzZepz is the group powering two leading global remittance brands: WorldRemit and Sendwave. Since 2010, we have been disrupting an industry previously dominated by offline legacy players with our relentless focus on reducing the cost of remittances and increasing safety and ...

Ruby on Rails Backend Engineer

Senior Ruby on Rails Engineer Fulham (2/3 days on-site) £60,000 - £80,000 + Private Healthcare & BenefitsThis is an excellent opportunity for a Mid-to-Senior Ruby on Rails Engineer to join a start-up in a role where you will play a major part in future developments.This co ...

Backend Engineer – Music Tech – PHP

Job Description The Role As a senior backend PHP engineer for this scaling Music Tech Startup you will join a team of 5 to deliver on a variety of greenfield projects and new feature builds. You will join a supportive and collaborative team that regularly meets and enjoy cel ...

Full Stack Engineer (Backend Heavy)

ABOUT QUANTUMLOOPAIQuantumLoopAI is one of the UK's fastest-growing healthtech companies. Our AI-powered platform, EMMA, is used by hundreds of organisations across the UK to manage communications, automate workflows and deliver better outcomes through intelligent automation. Backed by leading investor ...

Senior Backend Software Engineer Infrastructure

A World-Changing CompanyPalantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more.The R ...

Senior Backend Engineer (Remote) UK

The role:We are looking for highly talented and driven software engineers who take pride in their work, to expand our Engineering team in London. Successful candidates will join a cross functional team including product managers and designers working closely with the rest of our business to deli ...

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