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Compensation: Competitive, based on location and experience .Location: UK (Hybrid – Office & Remote).Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale.Keepnet runs autonomous

Holisticly communicate integrated channels via backend interfaces.

Strong commercial experience as a backend developer using Python ideally within a start-up or scale up environment. Experience designing scalable and maintainable backend architectures. You will play a key role in designing, building, and scaling specific backend applications that support complex sc

We’re seeking a seasoned Backend Developer with a proven track record in building scalable and robust architectures, and an instinctive understanding of how to deliver seamless digital experiences. You will work closely with the game team and technical leads to create and explore new and exciting

We are seeking a Backend Java Developer to design and deliver high‑quality applications using Java/JEE and modern web technologies. If you enjoy developing secure, reliable backend solutions and working closely with other technical teams, we’d love to hear from you. Design, develop, and maintain

Trayport is actively looking for a Software Developer to join our team for the design and development of our flagship data analytics platform where you will contribute to system architecture, aid colleagues to help coordinate our projects and review code too.

We're looking for a Backend Developer to build and maintain our platform infrastructure.

Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. Demonstrable experience working in multi-disciplinary/DevOps teams which include product owner/manager, UX designers, UX researchers, Developers

Corgi is an AI-powered insurance company designed for tech startups.The company has raised $108M and holds regulatory approval as a licensed carrier.The platform is built on Django, utilizes Stripe for payments, and features AI-driven underwriting.Corgi is currently scaling operations into the UK an

Our client is looking for experienced Senior Java Backend Engineers to join high-performing engineering squads working on modern, cloud-native platforms. They’re looking for strong backend engineers with deep technical expertise across event-driven systems, microservices, and scalable cloud archit

We are seeking a Backend Java Developer to design and deliver high‑quality applications using Java/JEE and modern web technologies. If you enjoy developing secure, reliable backend solutions and working closely with other technical teams, we’d love to hear from you. Design, develop, and maintain

Collaborate regularly in a cross-functional team made up of product managers, quality assurance teams, designers and other developers to translate business requirements into technical solutions. Collaborate with Front-end developers to integrate user-facing elements with server-side logic. Stay upda

The documentation engineering team is responsible for creating world‑class developer tools and framework‑level support for the documentation workflows on the developer website and Xcode. We’re looking for a software engineer to join the backend team and continue to scale and improve our existi

We are a global network of highly skilled developers, activists and professionals all on a mission to help solve the greatest threat of humankind.

Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. Demonstrable experience working in multi-disciplinary/DevOps teams which include product owner/manager, UX designers, UX researchers, Developers

We’re seeking Mid and Senior Python Developers to join our back‑end development team.

Looking for a passionate and skilled.In this role, you will work on building secure, scalable, and high-performance financial applications that power modern digital finance solutions.You will be part of a fast-paced environment working on cutting-edge systems such as payment platforms, banking integ

We are partnered with an energy trading client and are looking for a Backend Developer with strong Node.

Strong backend engineering experience with Node.

Developers are a core part of this process, taking full ownership of their software throughout its lifecycle—from design and development to testing, review, and production support.

This organisation is seeking a Senior Software Developer with strong technical skills, a passion for improving outcomes and user experience, and the ability to contribute innovative ideas within a multi-disciplinary team. Collaborate within multi-disciplinary/DevOps teams (product owners, UX designe

We're seeking Senior Python Developers to join our back-end development team.

A modern tech firm is seeking a proactive PHP Developer Intern to join their development team in Greater London. This role offers a fantastic opportunity to gain real-world experience in backend and web application development using PHP. Interns will collaborate with experienced developers on live p

Build and maintain core data infrastructure and backend services used across R&D. Experience in distributed systems and enterprise-scale backend development. This role combines backend engineering excellence with deep familiarity in modern data systems.

Develop and maintain backend services and APIs using.

Onyx-Conseil is seeking a Java Developer – Backend to join their team in Greater London.

A technology-focused recruitment company is seeking a Mid-Level Backend Developer to join their core product teams in North Bristol.

IBM is seeking a Backend Java Developer in the Greater London area to design and deliver high-quality applications using Java/JEE and modern web technologies. You will develop secure, reliable backend solutions, collaborate with technical teams, and contribute to DevOps practices.

Python Backend Developer Engineer AWS Lambda London. A leading IT Consultancy is seeking a Python Backend Developer Engineer AWS Lambda on a contract basis. The Python Backend Developer Engineer AWS will have experience in.

Collaborate regularly in a cross-functional team made up of product managers, quality assurance teams, designers and other developers to translate business requirements into technical solutions. Collaborate with Front-end developers to integrate user-facing elements with server-side logic. Stay upda

YO IT Consulting is seeking a Java Developer - AI Expert for a part-time remote role. You will design, implement, and improve backend APIs while collaborating with AI research teams. The ideal candidate has 3+ years of backend experience and strong Java expertise.

Brown & Brown UK is looking for a skilled Backend Developer to work on their custom online platform.

The successful candidate will take ownership of core backend services, enhancing developer experience through well-designed APIs and reliable infrastructure.

Are you a Senior Backend Developer who wants to own features end-to-end and build products used at scale?. This is a hands‑on engineering role where you’ll combine strong backend development with architecture input, best practice, and real ownership. Design, build and ship high-quality backend f

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 entails mentoring junior developers and leading project delivery in a hybrid setting, where you will work one day in the office.

Specialist II – Backend Development. Design, develop, and maintain backend applications using. Java backend/application engineering.

You will contribute to building a developer ecosystem, focusing on scalable backend services and resilient systems, while collaborating closely with cross-functional teams. A financial technology company based in Greater London is seeking a Senior Backend Engineer to join their App Store & Ecosystem

As a Backend Developer (Kotlin/Java) at CIMAR, you will:. Build and support backend services in Kotlin to support a web UI and a set of remote gateways. Contribute to pragmatic architectural decisions and help shape backend patterns and standards.

The documentation engineering team is responsible for creating world‑class developer tools and framework‑level support for the documentation workflows on the developer website and Xcode. We’re looking for a software engineer to join the backend team and continue to scale and improve our existi

We are now expanding our team and are looking for skilled, goal-oriented backend developers to join our teams. Design backend services using Python and modern cloud‑native architecture.

We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. The team brings together strong backend, frontend, product, and busi

If your idea of backend engineering is more than CRUD APIs and microservices boilerplate — this role is for you. Build core backend services in. Backend/platform services that sit in the.

We are looking for a Senior Backend Developer to join a growing product-focused engineering team. Strong commercial experience as a backend developer using Python ideally within a start‑up or scale‑up environment. Experience designing scalable and maintainable backend architectures.

Join BLP Digital — The #1 Solution for ERP Automation.BLP Digital is redefining ERP automation with agentic AI.Spun out of ETH Zurich and HSG, we build AI agents that automate finance, procurement, logistics, sales, and more for some of the world's largest enterprises.We solve real enterprise prob

Senior Backend Developer – United Kingdom. As a senior developer, you will contribute to the architecture, optimization, and security of critical backend infrastructure while collaborating with product, engineering, and design teams in an Agile environment. The role focuses on building and maintai

Transport for London is seeking Senior Developers to enhance its Contactless platform.