Backend Developer jobs in London

Backend Developer (Go) Salary: Up to £61,000 per annum Contract: 12-month FTC, with potential for extension Location: London - hybrid, 2 days a week on site Our prestigious client is looking for a Backend Developer to join a growing AI and automation team, building services and integrations across a

Goldman Sachs

What We Do At Goldman Sachs, our Engineers don't just make things - we make things possible. Change the world by connecting people and capital with ideas. Solve the most challenging and pressing engineering problems for our clients. Join our engineering teams that build massively scalable software a

Goldman Sachs

Goldman Sachs in London is seeking a Quantitative Developer to design, build, and maintain high-performance trading infrastructure and strategies. You will work closely with traders and engineers to translate complex models into robust, low-latency systems. The ideal candidate has a solid technical

Webspherehub

# Backend DeveloperSenior LevelLondonPosted 8 days ago### Role OverviewWe are heavily recruiting a Senior Backend Developer to spearhead our core infrastructure in London. Central to this role is the expert development of robust server-side logic, sophisticated e-commerce API systems, and high-stake

Guardian Media Group

Join our team at the Guardian and be a part of a diverse and inclusive global organisation that delivers fearless, investigative journalism and holds power to account. Our team of award-winning journalists, cutting-edge commercial professionals and industry-leading digital experts are committed to m

Octopus Energy

About Octopus Electroverse We’re making electric vehicle public charging simple, by building the giant, virtual charging platform of the future. In just five years, Octopus Electroverse has become Europe’s largest eMobility charging network , with over 1.4 million connected electric vehicle chargers

Praxis Tech

The Mid-Level Backend Developer will be responsible for designing, developing, and maintaining the backend systems that power Stakemate's iGaming platform. About Stakemate Stakemate is a fast-growing iGaming agency based in London with a team of 20 employees. Estimated Benefits Health Insurance Reti

Franklin Bates

A leading technology company in the United Kingdom is seeking a backend developer to design and maintain services using C# and cloud technologies. This role involves contributing to the product lifecycle, collaborating with diverse teams, and ensuring code reliability. Ideal candidates will have sol

Talenzon group

# Java Backend Developer,November 30, 2025### Job Description**On behalf of our client, we are seeking a Java Backend Developer – London, UK (Full-Time Permanent Role).**Our client, a fast-growing technology organisation, is looking for a skilled Java Backend Developer to build secure, scalable back

Tata Consultancy Services

A leading technology consulting firm in Greater London is seeking a Dot Net Backend Developer to build secure, scalable backend services and cloud-native applications. This role involves developing with .NET Core, managing Azure PaaS components, and collaborating with cross-functional teams. The ide

Wise

Описание: Wise is a global technology company building a way to move and manage money worldwide. It enables international transfers, spending abroad, and cross-border payments for people and businesses. Задачи Drive the technical vision for the owned domain within an autonomous team Contribute to th

Fogsphere - A Trading Name of Redev AI Ltd.

Fogsphere is a London‑based innovator focused on transforming workplace and urban safety through advanced AI, Computer Vision, and Industrial IoT. Built on a principled “Edge‑to‑Fog‑to‑Cloud” architecture, our platform turns passive CCTV cameras and sensors into proactive hazard detectors, capable o

Merantix

Briink is seeking a Backend/AI Product Engineer to join a small, high-ownership team building AI-powered sustainability tools for professionals in London. You’ll own problems end to end, from discovery and design through implementation, deployment, measurement and iteration. You’ll design scalable b

WARACLE

Waracle are looking for a Senior Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest

Wheely

Описание: Wheely provides premium transportation in major cities across Europe, the US, and the Middle East, combining technology with five-star chauffeuring. Its service is used by more than 100,000 active riders and 1,200 corporate accounts. Задачи: Write high-quality, performant code primarily in

Medialake Inc

Overview We’re searching for a talented, proactive Mid-Level Backend Engineer to join our rapidly growing engineering team. Reporting directly to the CTO, you will play a pivotal role in scaling and enhancing our innovative media platforms. You will work alongside senior developers and cross-functio

Medialake Inc

Overview: We’re searching for a talented, proactive Mid-Level Backend Engineer to join our rapidly growing engineering team. Reporting directly to the CTO, you will play a pivotal role in scaling and enhancing our innovative media platforms. You will work alongside senior developers and cross-functi

Doit

About Doit We are focused on reinventing how people spend, save, invest, exchange, travel, and more. Our objective is to build tools that will help people get more from their money and and become an expert at ease. We believe AI will help make finance smart, assessible and safe. We are looking for t

Methods

• Design, develop and maintain high-quality backend services using TypeScript • Design and implement serverless, cloud-native solutions • Develop and maintain AWS applications and services, including AWS Lambda • Build secure, scalable and reliable APIs and backend services • Translate user and busi

Machine Medicine Technologies

About Us We are a med-tech company leveraging cutting-edge AI to build scalable, regulatory-grade tools for video-based motor assessments. As part of our growing technical team, we’re looking for a highly capable and motivated Backend Developer to design, build, and maintain our cloud infrastructure