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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

Backend Developer Romsey, Hampshire (Hybrid - 3 days office / 2 remote, flexible)£45,000 - £50,000 + BenefitsOOP, PHP, LaravelMy client build innovative SaaS solutions that help organisations monitor, manage, and optimise critical infrastructure.

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.

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

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 backe

As a Senior Backend Developer, you'll be working in an environment that is collaborative, fast-moving, and delivery-focused where engineers are trusted to own features end-to-end, contribute to technical direction, and make sensible architectural decisions as the platform evolves. Senior Backend Dev

Our favourite candidates are developers that follow best practices in any programming language, who use the best tool for the job and can adapt to a rapidly changing environment. You will have experience with using a modern programming language for backend development on a daily basis during a solid

A leading global consulting firm in the UK is seeking a Senior Java Developer to lead the development of scalable Java-based applications.

As a Senior Backend Engineer working in the Developer Experience team, you’ll take on a challenging role in collaborating with product managers, stakeholders, and fellow engineers to build and optimize a dynamic, scalable, and high-impact platform. You'll contribute to architectural decisions, and

This job is brought to you by Jobs/Redefined, the UK's leading over‑50s age inclusive jobs board.IT professions like software engineering, data science, business intelligence, and QA - no matter their prior experience.Our AI‑driven and thoughtfully designed platform helps students build real ski

What if the systems you built changed how millions of developers work — not just at Spotify, but across the industry?You’ll join the AI Fleet Management team within Platform Developer Experience. From mature platform engineering organizations to teams investing in developer experience for the fi

Blockchain & Backend Developer. Blockchain & Backend Developer – Cofounder | Play-To-Earn Gaming. As our Blockchain & Backend Developer, you will design and deliver both the decentralised and centralised layers of our gaming infrastructure.

I'm looking for a Senior Backend Developer with strong TypeScript and Node. Designing, building, and maintaining scalable, secure backend services using Node. Mentoring junior developers and contributing to a culture of technical excellence.

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.

Develop and maintain backend features using Java, that provide the best developer experience possible including local development experience. Do you love being in the flow as a developer and want to enable that for everyone else as well? Do you believe that the key to personal flow is in making the

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:.

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

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.

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 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

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 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.

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

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

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.

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.

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

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

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

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.

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 maintaining robust backend systems. You will work closely with our front-end developers, data engineers, an

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

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

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.

This is more than a backend engineering role – it’s a chance to be part of a team building technology that helps some of the world’s largest enterprises stay ahead of attackers. Senior Backend Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (UK based). Designing and building backe

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. Our Product Area, Platinum, has historically owned and operated both

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

Senior Software Developer with a Backend Focus. To professionalise our product development and continue our growth path, we are currently looking for a senior backend developer. Senior backend skills with at least 5 years of experience with Java, and a good understanding of Python (FastAPI, Flask…

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. Solid understanding of computer science fundamentals (data structures, algorithms, networking) and a

Our favourite candidates are developers that follow best practices in any programming language, who use the best tool for the job and can adapt to a rapidly changing environment. You will have experience with using a modern programming language for backend development on a daily basis during a solid

We're looking for an experienced data-focused backend developer to help supercharge our product, integrations and APIs. Get notified about new Back End Developer jobs in.

Backend Java Developer – Data Fabric / Platform Engineering. If your idea of backend engineering is more than CRUD APIs and microservices boilerplate — this role is for you. Build core backend services in.

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.

Holisticly communicate integrated channels via backend interfaces.

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.

Bridge the gap between backend web development and data science teams. Work on backend data pipeline development. Integrate backend web services with databases/data warehouses.