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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.

We work at the intersection of finance and technology, helping institutions, startups, and developers navigate a digitally native economy.

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.

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.

Backend WordPress Developer (Remote - UK Only). We’re looking for a skilled and motivated Backend Developer to join our growing team at Zap. Researching and implementing innovative ways to improve our backend capabilities across client websites.

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

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.

You will be responsible for implementing new product features, maintaining and writing database migration scripts, identifying and fixing bugs autonomously, and ensuring high-quality, reliable backend services across our platform. Develop, maintain, and optimize backend microservices powering the Fo

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

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

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

You will work mainly on the backend of a key platform, utilizing Python and ideally C#. A Central London tech consultancy is seeking a Python Developer to join their growing team in a hybrid role.

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

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.

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

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

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

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

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

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

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.

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.

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

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

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.

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

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

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

Senior Backend Developer - UK Remote - Up to £75,000. A leading software company, renowned for its dynamic and ever-evolving nature, is seeking a Senior Backend Developer to join their team. As a Senior Backend Developer, the successful candidate will be at the forefront of developing and enhancing

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

A BAFTA-winning game studio is seeking an experienced Backend Developer to design and implement scalable microservices for a high-traffic digital platform. The role involves collaborating with technical teams to create robust backend services, utilizing technologies like Javascript, C#, and cloud pl

At TripleTen, we’re creating innovative learning products that empower people to master 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 skills and a

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

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.

We are looking for an experienced Senior Backend Developer to play a key role in the development of our Digital Production Office® platform and related payroll systems used across the film, television and media industries. Architect, develop, and maintain secure, scalable backend applications and A

Minimum 3 years of professional experience as a backend engineer. Strong backend development experience with Java. Experience designing backend systems, APIs, and data migrations.

Experience designing and scaling backend services. Years of experience is a poor yard stick but likely 5-7+ years working on backend systems. Build and extend backend features using internal and third‑party APIs (e.

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…

A highly profitable hedge fund in London is seeking a Backend Software Engineer (C#.

Objectively restore stand-alone markets rather than enterprise-wide products.Uniquely underwhelm best-of-breed mindshare through adaptive niches.Seamlessly parallel task open-source content without resource sucking technology.Be involved in every step of the product design cycle from discovery and u