Senior Java Developer | Financial Services | 6‑month contract | £500–£550 | | Inside IR35 | Hybrid Swindon A leading financial services organisation in Swindon is looking for an experienced Senior Java Developer to join an established engineering team working on high‑availability, business‑critical payment systems. This is a great opportunity for someone who enjoys complex backend engineering, secure transaction processing, and contributing to a mature agile environment. The Role You’ll be joining a team where you will be responsible for maintaining and enhancing the organisation’s core card platform. Your work will involve a blend of feature development, system optimisation, and technical problem‑solving across a highly regulated, high‑volume environment. What We’re Looking For Strong commercial experience with Java 17 and modern engineering frameworks Solid skills in SQL, Spring Boot, and Hibernate development practices Proven ability to build microservices and reliable RESTful APIs Hands‑on experience applying TDD and BDD testing approaches Good understanding of clean coding principles, SOLID, and cloud technologies Practical experience with AWS services, Docker containerisation, and Git toolingKey Responsibilities Design, implement, and thoroughly test new enhancements across the platform Lead feature development from initial concept through to final delivery Produce high‑quality software that consistently meets performance expectations Mentor junior developers and actively support broader knowledge growth Resolve technical issues promptly to ensure continued platform stability Contribute ideas that evolve and improve the overall product architectureContract Details Location: Swindon (1 days per week on‑site) Duration: 6 months Rate: £500–£550 per day IR35: InsideIf this role is of interest, please respond with your most up to date CV & I'll give you a call. Senior Java Developer | Financial Services | 6‑month contract | £500–£550 | | Inside IR35 | Hybrid Swindon