13 of 13 Senior Backend Developer Jobs in the UK

Senior Backend Developer (Java/Kotlin). Public Sector Contract. Transform Crime Data Management and Make a Difference. Up to £700 a day Inside IR35. 6 Month contract. Hybrid working from a hub of UK wide offices. Join the Electronic Monitoring team, a dedicated group focused … This Assignment: - Impactful Work: Contribute to a project that directly supports law enforcement and community safety. - Innovative Environment: Be at the forefront of developing backend infrastructure that processes crime data efficiently. - Professional Growth: Engage with cutting-edge technologies and methodologies, enhancing your skill set and career trajectory. Key Responsibilities ...

Senior Backend Developer – Node.js, TypeScript, Kafka - up to £70k Leading E-commerce Brand | Up to £70,000 | Hybrid (2 days/week in London) We’re partnering with a leading e-commerce business that’s scaling a modern, event-driven platform to support high transaction volumes … continued growth. They’re looking for a Senior Backend Developer to join a highly capable engineering team working with Node.js, TypeScript and Kafka. This is a hands-on role where you’ll be building and evolving distributed backend services in a fast-paced, product-focused environment. ...

Senior Backend Developer - Node Crypto Payments Remote- (HQ: London) 50k-100k Plexus has a great opportunity with one of our long-term clients in the global payments space. They are an established next-generation payments company, allowing users to accept payment methods across 13 different blockchain networks. … They are looking for senior backend developer to join the team to working with node to build out their platform further. Responsibilities: Design & build wallet backend services, a rchitect and implement scalable Node.js services for wallet operations Blockchain integration, w ork with full nodes, third-party ...

Senior Backend Developer - Node Crypto Payments Remote- (HQ: London) 50k-100k Plexus has a great opportunity with one of our long-term clients in the global payments space. They are an established next-generation payments company, allowing users to accept payment methods across 13 different blockchain networks. … They are looking for senior backend developer to join the team to working with nodes to buil click apply for full job details ...

Senior Backend Developer (.NET | AI-First SaaS Platform) 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 … autonomous systems that plan, build, and operate security awareness and human risk workflows, supported by strong guardrails and observability. We’re looking for a Senior Backend Developer who wants to build production-grade backend services that power these systems, working in a multinational, AI-first engineering ...

Senior Backend Engineer (PHP) - OOP, PHP, MySQL, TDD - Fareham, Hampshire. This is an in office role. - Salary circa £60,000 plus benefits An exciting new opportunity for a Senior Backend Engineer to join an entrepreneurial business based in Fareham. Working within a dedicated LAMP environment ...

client is seeking an experienced Senior Backend Developer to support a major digital programme delivering secure, scalable backend systems. This role focuses on building modern cloud-based microservices, APIs, and data processing services in a highly collaborative and delivery-driven environment. You will work closely with … analysts, and operational teams to design and deliver robust, reusable solutions that can be leveraged across multiple programmes. Key Responsibilities Design, develop, and maintain backend services within a microservices architecture. Build secure, scalable APIs for data exchange between systems. Develop and deploy cloud-native services using AWS infrastructure. Build ...

role Overview & purpose Reporting to the Data Strategy Lead, the Senior Backend Developer will help design and build software solutions in organised, testable and reusable manner. While Ark Data Centres have offices in Farnborough, Corsham and London, this role is 100% remote and the candidate can work … technologies in Back End NodeJS development and share knowledge with the team. About you Experience Experience in architecting large and/or enterprise level Backend-end applications. Ideally 10+ years of Server Side development experience. Experience in using and deploying to cloud technologies. Deep understanding of standard code design ...

client is building a fast growing, marketing platform and looking for a Senior Solutions Architect/Backend Developer to play a pivotal role in shaping the architecture of their next-generation platform. You’ll design, build, and scale mission-critical systems, working closely with experienced backend ...

Position: Senior Back End Developer Location: UK – Fully Remote Salary: £60,000 - £80,000 We’re working with a forward-thinking technology-led organisation that’s looking to hire a Senior Back End Developer to join one of their high-performing engineering teams. This … great opportunity for someone who is passionate about building scalable software, enjoys mentoring others, and wants to play a key role in shaping backend architecture within a modern, agile environment. The Business places a strong emphasis on continuous improvement both technically and culturally and encourages engineers to explore ...

Position: Senior Back End Developer Location: UK – Fully Remote Salary: £60,000 - £80,000 We’re working with a forward-thinking technology-led organisation that’s looking to hire a Senior Back End Developer to join one of their high-performing engineering teams. This … great opportunity for someone who is passionate about building scalable software, enjoys mentoring others, and wants to play a key role in shaping backend architecture within a modern, agile environment. The Business places a strong emphasis on continuous improvement both technically and culturally and encourages engineers to explore ...

base mirrors the diversity of our international team. To professionalise our product development and continue our growth path, we are currently looking for a senior backend developer. The Role The position is embedded in the broader strategy to transform a service lead company into a product lead company. … well is to contribute in discussions and decision making on strategy and building not only the products but also the company. Skills Required · Senior backend skills with at least 5 years of experience with Java, and a good understanding of Python (FastAPI, Flask...), SQL based databases · Must have ...

Senior Back-End Developer – Java Contract duration: 12 months Location: London (hybrid working) Pay: £700-800/day (PAYE) As a Senior Back-End Developer you will be instrumental in designing, developing and maintaining the back-end of complex microservices architecture. Your expertise in Java Microservice ...