Java Microservices

Job Title: Java Microservices Developer (Banking) Engagement Type: Contract (Inside IR35) Duration: Long-term / Ongoing Location: Hybrid (2 days onsite per week – London, Birmingham, Manchester, Leeds, or Scotland) Overview We are working with a leading banking client seeking a Java Microservices Developer with around 5 years of experience to join a long-term programme of work. This role sits within a high-performing engineering team delivering scalable, secure, and high-availability systems across core banking platforms. This is an excellent opportunity for a mid-level engineer looking for a stable, long-term contract within a regulated financial environment. Key Responsibilities • Design, develop, and maintain Java-based microservices in a cloud-enabled environment • Collaborate with cross-functional teams including product owners, architects, and QA • Contribute to system design, architecture discussions, and technical decision-making • Build RESTful APIs and ensure high performance, scalability, and reliability • Write clean, testable, and maintainable code following best practices • Participate in code reviews and continuous improvement initiatives • Work within Agile/Scrum delivery frameworks • Ensure compliance with banking/security standards and regulatory requirements Required Skills & Experience • ~5 years of experience in Java development • Strong experience with Java (8/11/17) and Spring Boot • Solid understanding of Microservices Architecture • Experience building RESTful APIs • Familiarity with Docker and containerisation • Exposure to cloud platforms (AWS, Azure, or GCP) • Experience with CI/CD pipelines (Jenkins, GitLab CI, etc.) • Strong understanding of SQL/NoSQL databases • Knowledge of version control systems (Git) • Experience working in Agile environments Desirable Skills • Experience within banking or financial services • Knowledge of event-driven architecture (Kafka, RabbitMQ) • Familiarity with Kubernetes / container orchestration • Understanding of security best practices in regulated environments • Exposure to monitoring/logging tools (e.g., Splunk, ELK, Prometheus) Soft Skills • Strong communication and stakeholder engagement skills • Ability to work independently and as part of a team • Proactive mindset with a focus on delivery and quality • Comfortable working in a fast-paced, regulated environment Additional Information • Hybrid working model: 2 days onsite per week • Onsite locations available: London, Birmingham, Manchester, Leeds, or Scotland • Inside IR35 engagement • Long-term programme with strong likelihood of extension • Opportunity to work on high-impact, large-scale banking systems