Java Developer (Banking domain)

Java Developer (Banking domain) Apply Project/Client: Banking Start Date: ASAP Duration: Until 2027-02-28 Seniority: Senior Language: English Role Overview: Be part of a Core Banking team modernizing and supporting mission-critical services for a leading banking platform. You will deliver new features, reduce technical debt, and ensure regulatory compliance using Java 11/17+ , Spring Boot , REST APIs , and microservices on highly available, enterprise-scale systems. Expertise with Kafka , Oracle Database , and event-driven architectures is key to maintaining resilient integrations with digital channels. Key Responsibilities: Design, build, and maintain Java microservices with Spring Boot and JPA/Hibernate Develop and integrate REST/SOAP services and Kafka -based messaging solutions Optimize SQL queries and ensure performance on Oracle Database Contribute to core banking transformation and legacy-modernization initiatives Collaborate in Agile/Scrum teams, providing technical leadership and code reviews Ensure high availability, resilience, and regulatory compliance across distributed systems Must-Have Requirements: 5+ years of enterprise Java development (Java 11/17+) Deep Spring Framework / Spring Boot expertise Proven experience with REST APIs , microservices , and event-driven architectures Hands-on with JPA/Hibernate , Maven or Gradle Proficiency in Kafka (or similar messaging) and Oracle Database performance tuning Solid grasp of core banking architecture , integration patterns, and high-availability design Experience in production-critical financial environments and Agile/Scrum delivery Fluent English plus strong analytical and stakeholder-communication skills Nice to Have: Exposure to core banking platforms such as Oracle FLEXCUBE , Temenos T24 , Finacle , Mambu , or Thought Machine Experience with Git , CI/CD pipelines, Kubernetes/OpenShift , and AWS / Azure / GCP Knowledge of Domain-Driven Design (DDD) , automated testing, and ISO 20022 / SWIFT standards Background in core banking migration or transformation programs 📩 Ready to Join? We look forward to receiving your application and welcoming you to our team! Department Software Development Role Java Locations Lithuania, Estonia, Latvia Remote status Fully Remote About Bonapolia For job seekers, BONAPOLIA offers a gateway to exciting career prospects and the chance to thrive in a fulfilling work environment. We believe that the right job can transform lives, and we are committed to making that happen for you.