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Compensation: Competitive, based on location and experience .Location: UK or Turkey (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

Hands on experience building backend services and APIs and Microservices.

Design, develop, and maintain robust backend services using Java 9+ and the Spring Framework. Proven experience building backend services, APIs, and microservices.

Back-End developer (python and GCP) - £525 inside IR35.

We are looking for a dedicated BackEnd Technical Support Developer to help handle production issues. BackEnd Technical Support Developer. What we’re looking for from a Back End Developer:.

We’re searching for an experienced backend developer who loves working in a modern startup environment. We are searching for a Senior Python Engineer to join our fast-growing cyber security startup on our backend team.

A Senior Backend Developer (Ruby on Rails) is responsible for designing, developing, and testing server-side logic for web applications using Ruby and the Ruby on Rails framework. Minimum of 8 years of experience as a Backend Developer, including 3+ years of hands‑on experience with Ruby. Lead and

Backend Software Developer (Python) - London - £90,000 + Comps. We’re looking for a Backend Developer who thrives in dynamic environments — someone who loves clean code, scalable architecture, and being part of a team that’s pushing boundaries. Design, build, and optimize high-performance bac

Mobile Backend Developer (JAVA/Kotlin). We have a great opportunity for a Mobile Backend Developer (JAVA/Kotlin) to join the team. Provide advanced technical expertise in Backend Development, supporting the team with effective solutions and practical insights.

A leading technology company in the United Kingdom is seeking a backend developer to design and maintain services using C# and cloud technologies.

You will be involved in both backend and frontend development, building applications and enhancing user interfaces. A leading educational SaaS provider based in Bristol is looking for an experienced PHP Developer to join their growing team on a hybrid basis.

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

A tech solutions company is looking for a Full Stack Web Developer in the UK. The candidate will manage backend systems, develop eCommerce solutions, and collaborate with frontend teams. Strong skills in backend technologies, database management, and system integrations are essential.

An exciting opportunity is on offer for a Java Developer (Backend) to work for a global technology business. Java Developer - Desktop / Oracle / SQL / Backend / Unit testing. The chosen Java Developer will be working with a talented team of engineers and testers.

As a Senior Backend Developer, you will be part of the team that develops the backend components of all Bitfinex services (main trading application, Lightning Network support, Blockchain integrations, etc. Senior Backend Developer - Node. Scalability: ensure backend services remain smooth, responsiv

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

The position as a Backend Python Developer is a permanent full-time position. A start-up in London, looking to expand its highly interdisciplinary team of exceptionally talented mechanical engineers, software developers, data scientists and chemists. As a Python Developer you will have be part of a

A dynamic software vendor in the UK is seeking an experienced Backend Software Developer.

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.

A niche consultancy in the automotive space is seeking a Senior Full Stack Developer to join their team in Maidstone, UK. This role involves a mix of new development and maintenance, with a strong focus on SQL and backend skills. The ideal candidate will be a strong communicator, proactive, and comf

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.

As part of the Platform Developer Experience (PDX) R&D Studio within the Platform Mission, this role will help shape the future of backend engineering by taking ownership of the nuts and bolts that amplify the developer experience. Bring your experience and knowledge of working with Bazel and scalin

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.

Strong backend development experience with Java. Experience designing backend systems, APIs, and data migrations. You will play a critical role in rebuilding and scaling the core backend infrastructure of a growing product.

Java Back-end developer with Azure/AWS skills for London location. Overall 12+ Years of Industry experience in IT and Java Backend should be 10+ Years experience MUST.

ThinkCyber, a growing start-up, seek a Backend Software Developer to join our growing development team. We’re looking for a talented software developer who can seamlessly integrate into our development team and assist in various backend development tasks, including cloud infrastructure, API develo

This full-time Backend Web Developer position is based onsite in our brand-new Ultralytics office in London, UK.

Senior Backend Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (UK based). Designing and building backend services and data pipelines powering a cutting-edge cybersecurity platform. Working closely with product and frontend teams to integrate backend services into the platform experienc

Methods is currently recruiting for a Senior Back End Developer to join our team on a permanent basis. We are looking for a highly skilled Senior Back-End Developer to join our team. The ideal candidate will have a strong background in Python and SQL, with extensive experience in developing and main

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. Delivering high-performance, secure, and maintainable backend services through technical innovation,

S-RM is looking to recruit a skilled Backend Developer to focus on the development and scaling of a strategic cyber security application. As a Backend Developer, your primary responsibility will be to enhance, maintain, and support an existing application that is crucial to our service delivery. Col

Backend WordPress Developer (Remote - UK Only). We’re looking for a skilled and motivated Backend Developer to join our growing team at Zap. Collaborating with front‑end developers, designers and project managers to build cohesive digital experiences.

A growing consulting business in the UK is seeking a talented Backend Python Developer to contribute to their AI-driven platform project. The ideal candidate will have strong experience in Python backend development and familiarity with cloud-native architectures.

Building a secure and performant backend solution. Significant experience with backend development and maintenance using Kotlin or Java. Independent, self-managed working with responsibility as part of a small team of top developers.

Ability to work autonomously and take ownership of complex backend components. At Fogsphere, developers work independently under the Head of Engineering, with focus on open discussion and professional development, where the best ideas are the ones applied. You will be responsible for implementing ne

Independent, self-managed working with responsibility as part of a small team of top developers. Building a secure and performant backend solution on Kotlin. Significant experience with backend development and maintenance using Kotlin or Java.

A dynamic tech company in the UK seeks a Mid-Senior Backend WordPress Developer for a fully remote role.

NET Backend Developer to join a high-impact engineering team building one of the most demanding real-time sportsbook platforms on the market. If youe passionate about distributed systems, performance-driven backend engineering, and have experience working in sports betting or complex, event-based sy

We are looking for an awesome Senior Java Backend Developer to join our growing team.

Join blp – The #1 Solution for ERP Automation.ETH and HSG spin-off redefining ERP automation with AI.We solve real enterprise problems with cutting-edge tech and a strong sense of ownership.Our solution is in production across 40+ countries, used by 20,000+ daily active users, automating 70,000+ p

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

A consulting firm is assisting a Central Government client in seeking a Senior Developer for an initial six-month assignment in Milton Keynes.

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

Backend Developer (Kotlin/Java, Android APIs). Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred.

Backend Developer Web3 - London / Remote. An exciting and well-backed decentralised Crypto project is seeking to bring in an experienced and proven Backend Developer with skills in Solidity, and ideally Golang. The Senior Backend Developer will join a team of experienced and proven Blockchain expert

You’ll act as the backend authority within a small, collaborative team, working closely with a Frontend Developer and Senior UX/UI Designer. I'm now looking for a Backend Developer to join their agile team and play a key role in shaping the future of their technology. This is a hands-on backend ro

We are seeking a highly skilled Backend Developer with hands‑on experience in Python and FastAPI. Proven experience as a Backend Developer or 3+ years in software development. This role requires a deep understanding of backend technologies and the ability to work on robust, scalable solutions.

As a backend developer, you will be responsible for developing the middle- to back-end logic and algorithms of our web app. We are offering a part-time internship where you will be working with a team of experienced developers to build a web-based product on React Native.