backend software engineer jobs in Greater London

You will work on a diverse range of challenges, from model-serving APIs and data pipelines to infrastructure for intelligent agents and automation frameworks.

You will collaborate closely with the CTO and engineering team to design, build, and scale production systems that integrate AI into real-world applications.

Job Description About the Team Dex is an AI-powered recruiter, matching exceptional software engineers with top tech companies. We're one of the fastest-growing UK startups, and have raised $3.1M from a16z and Concept Ventures to build a best-in-class voice agent, matching engine and web app experience that will redefine the way that talent and opportunity connect. We're hiring a Python...

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

You will play a critical role in designing and developing backend services that power Io T products used across high‑integrity industries including Fire, Security, Telecare, Retail, Water, and National Infrastructure.

You will:Build and maintain backend systems using .

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

Job Description Benefits - 9% pension contribution - Stock Options - Health Insurance etc 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 by developing this one-of-a-kind eCommerce solution. The Company - $120m VC-backed Scale-Up - One of the fastest-growing companies in the...

Backend Engineer (AI Platform) - London £80k–£100k + EMI equity About the Role We’re hiring a Backend Engineer to build the core infrastructure behind Revax’s AI-native platform for professional services. You’ll design, optimise, and scale the systems that power multi-agent drafting, knowledge graphs, and auditable AI workflows used by accountants, tax advisors, and consultants at leading...

Backend Engineer (AI Platform) - London £80k–£100k + EMI equity All candidates should make sure to read the following job description and information carefully before applying. About the Role We're hiring a Backend Engineer to build the core infrastructure behind Revax's AI-native platform for professional services. You'll design, optimise, and scale the systems that power multi-agent...

You will push the frontier of foundation models for an under-explored, massively valuable domain. - Team: We are a small, collaborative, world-class research team based in central London. - Founding level equity + competitive salary: We want you to share in the upside of what we are building.

Senior Backend Engineer London (Occasional Travel required) Salary: £75,000 - £95,000 An established, global technology business within the hospitality-tech industry is seeking a talented Backend Software Engineer to help build and scale cutting-edge digital solutions. This is a chance to work on greenfield projects - building new, scalable products that help venues create seamless,...

Job Description Our Mission Ferry is pioneering a new wave of Manufacturing Operations Platforms for the AI age. Our software powers some of the largest manufacturers globally, providing the tools, insights & capabilities for them to revolutionize what & how they produce. We are backed by leading VC funds across both the US and Europe, and partner with some of the largest companies on Earth....

Job Description Affinity Labs: Founding Engineer (Backend) Location: London Area, United Kingdom · On-site Company Description At Affinity Labs, we’re building the future of company creation, a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. By combining AI-native development with creator-led distribution, we're pioneering...

You will push the frontier of foundation models for an under-explored, massively valuable domain. - Team: We are a small, collaborative, world-class research team based in central London. - Founding level equity + competitive salary: We want you to share in the upside of what we are building.

Affinity Labs: Founding Engineer (Backend) Location: London Area, United Kingdom · On-site Company Description At Affinity Labs, we’re building the future of company creation, a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. By combining AI-native development with creator-led distribution, we're pioneering a new model of...

Job Description Benefits - 9% pension contribution - Stock Options - Health Insurance etc 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 by developing this one-of-a-kind eCommerce solution. The Company - $120m VC-backed Scale-Up - One of the fastest-growing companies in the...

About the Team Dex is an AI-powered recruiter, matching exceptional software engineers with top tech companies. We're one of the fastest-growing UK startups, and have raised $3.1M from a16z and Concept Ventures to build a best-in-class voice agent, matching engine and web app experience that will redefine the way that talent and opportunity connect. We're hiring a Python engineer to join our...

Job Description Backend Engineer (AI Platform) - London £80k–£100k + EMI equity About the Role We’re hiring a Backend Engineer to build the core infrastructure behind Revax’s AI-native platform for professional services. You’ll design, optimise, and scale the systems that power multi-agent drafting, knowledge graphs, and auditable AI workflows used by accountants, tax advisors, and...

About Prighter If you want to know about the requirements for this role, read on for all the relevant information. Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their...

You will work on a diverse range of challenges, from model-serving APIs and data pipelines to infrastructure for intelligent agents and automation frameworks.

You will collaborate closely with the CTO and engineering team to design, build, and scale production systems that integrate AI into real-world applications.

About Prighter If you want to know about the requirements for this role, read on for all the relevant information. Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their...