https://jobs.co.uk/job/contract-software-engineer-java-amp-kotlin-spectrum-it-recruitment--f937eaa5-328e-4d69-8edd-047b9a05dc79 RSS feed for Contract Software Engineer (Java & Kotlin) at Spectrum IT Recruitment. en-gb Tue, 14 Jul 2026 18:50:37 GMT https://jobs.co.uk/job/contract-software-engineer-java-amp-kotlin-spectrum-it-recruitment--f937eaa5-328e-4d69-8edd-047b9a05dc79 https://jobs.co.uk/job/contract-software-engineer-java-amp-kotlin-spectrum-it-recruitment--f937eaa5-328e-4d69-8edd-047b9a05dc79 Mon, 13 Jul 2026 23:00:00 GMT Location: London | Salary: £350 - £400/day | Type: Contract | Senior Java & Kotlin Backend Engineer Location: London (Hybrid - Wednesday office attendance required) Contract: Initial 2 months IR35: Outside IR35 Start Date: ASAP The Role We''re working with a leading technology organisation seeking an experienced Senior Java & Kotlin Backend Engineer to join their engineering team on an initial two-month contract. This role offers the opportunity to contribute to greenfield backend development, building scalable, cloud-native microservices within a modern engineering environment. You''ll work alongside cross-functional teams to design, develop and deliver high-quality backend solutions that are secure, reliable and built for scale. Key Responsibilities Design, develop and maintain backend services using Java and Kotlin. Build and enhance RESTful APIs within a microservices architecture. Develop secure, scalable and high-performance applications. Collaborate with Product Managers, Engineers and technical stakeholders to deliver new features. Participate in code reviews and contribute to engineering best practices. Improve system reliability, performance and scalability. Work with cloud-native techn... Contract