https://jobs.co.uk/job/senior-backend-engineer-javanet-amp-microservices-arm--5e5382b0-d4ee-4a58-983e-e2f358705b83 RSS feed for Senior Backend Engineer (Java/.Net & Microservices) at ARM. en-gb Wed, 01 Jul 2026 20:17:03 GMT https://jobs.co.uk/job/senior-backend-engineer-javanet-amp-microservices-arm--5e5382b0-d4ee-4a58-983e-e2f358705b83 https://jobs.co.uk/job/senior-backend-engineer-javanet-amp-microservices-arm--5e5382b0-d4ee-4a58-983e-e2f358705b83 Tue, 30 Jun 2026 23:00:00 GMT Location: City of London | Salary: £500 - £550/day Inside IR35 | Type: Contract | Senior Backend Engineer (.NET / Java Microservices) Contract: Inside IR35 Duration: 6 Months+ Hybrid - 2 days per week on site in London We''re seeking a Senior Backend Engineer to design, build and enhance scalable backend services and APIs within a complex enterprise environment. You''ll play a key role in delivering modern microservices while contributing to technical design and engineering best practice. Key Responsibilities Design and develop backend services using C#/.NET and Java (Spring Boot) . Build and support REST APIs and microservices. Contribute to architecture, technical design and system integration. Troubleshoot, optimise and support production systems. Collaborate with stakeholders and mentor other engineers. Essential Skills Strong commercial experience with C#/.NET and Java (Spring Boot) . Proven delivery of microservices and REST APIs . Experience with distributed systems and enterprise integration. Strong SQL experience (SQL Server and/or Oracle). We''re Looking For Engineering Ownership - Takes responsibility for delivery end-to-end, including debugging, optimisation and resolving production issues. Microservices & Dis... Contract