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We are looking for a Mid-Level Golang Backend Developer to join a team building a next-generation cyber security platform designed to safeguard industrial control systems.

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

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.

A high-performance web design agency is seeking an experienced Back End WordPress Developer to join their team in London.

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.

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.

We are looking for an ambitious, experienced and creative Back End WordPress Developer to join our growing team. In this role, you will work closely with other Back End and Front End WordPress Developers and will report directly to our Technical Director. Collaborating with the front-end developers

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

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.

We are seeking a senior developer with extensive experience in building scalable Python backend solutions.

A global digital agency is seeking a Senior Backend Developer to create robust backend services for complex digital products.

We are working with an established software house based in Central London who are looking to hire a Lead C# Backend Developer to join their growing engineering team. Deep understanding of backend development principles and architecture. Proven experience in a Lead or Senior Developer position.

A leading financial services provider in Greater London seeks a Java API Developer to join their Digital Asset development team. This role involves designing, developing, and testing RESTful APIs and backend services.

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

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

We are seeking an experienced Backend Developer to design, develop, and maintain scalable backend services and REST APIs using Python and Node. Strong experience with backend development in Node.

You’ll be one of the founding members of a new backend team that builds products for our Generation areas. You’ll have the chance to make a huge impact and influence how the backend grows to meet new challenges, whilst working alongside talented engineers and supported by an experienced commerci

Extensive professional experience in backend development with Java and Node.

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

Backend Grok and xAI Rust Developer at xAI. We are seeking an experienced Backend Engineer to join the team responsible for powering Grok. This role focuses on developing highly scalable, reliable backend systems capable of processing tens of thousands of queries per second.

Sweatcoin is a London-based and well-funded scale-up with a team of 100 and the mission to make the world more physically active.Our iOS and Android apps have more than 150MM installs, 15M+ active users, more than 300 commercial partners and confirmed by the independent academic research ability to

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:.

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.

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

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

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.

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

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.

Lead Backend Developer / Software Engineer (Python Java AWS) London / WFH to £115k. Are you a backend-focused software developer with leadership skills?. You're an experienced, backend-focused software developer with Python, Java, and good knowledge of AWS.

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 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

Teamtailor is an Employer Branding & ATSSaaS platform used by over 3.Working at Teamtailor means working at a young, international, and fast‑pace tech startup with smart people who are passionate about their work.You can read more about our product at teamtailor.Daniel Wellington, SOS Alarm, Eloom

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

As a Senior Backend Developer in our Insurance Analytics team, you will play a leading role in the continued development of InsurSight, our award-winning insurance analytics platform. You will have the benefit of the guidance of our lead C# developer and Python developer, but also the opportunity to

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.

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

A leading technology firm in London is seeking a Senior Software Developer passionate about user experience and innovative 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.

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

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets.Our platform, Ubuntu, is widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT.Our customers include the

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

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

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.