Unison Group
Java Developer (Banking)
Unison GroupSingapore22 hours ago
Full-timeOther
Job Summary:

We are seeking an experienced Backend Developer with strong expertise in Java and Spring Boot, preferably with prior experience in the banking or financial services domain. The role involves designing and developing secure, high-performance backend systems and APIs to support mission-critical banking applications. The ideal candidate should have hands-on experience with microservices architecture, API integrations, and secure transaction processing.

Required Skills & Experience:

  • 5 years of experience in Java backend development.
  • Strong expertise in Spring Boot, Spring MVC, Spring Security, and Microservices.
  • Experience in banking/financial applications, payment systems, or transaction-based platforms.
  • Solid understanding of RESTful APIs, JSON/XML, and secure API communication.
  • Proficient in Hibernate/JPA, MySQL/PostgreSQL, and database optimization.
  • Experience with Git, Jenkins, Docker, and Maven/Gradle.
  • Knowledge of CI/CD pipelines and cloud deployment (AWS/Azure).
  • Familiarity with Agile/Scrum methodologies

Key Responsibilities:

  • Design, develop, and maintain scalable backend services using Java, Spring Boot, and Microservices.
  • Build, secure, and integrate RESTful APIs with internal and third-party banking systems.
  • Work on core banking modules, payment gateways, and transaction management systems.
  • Implement data validation, encryption, and authentication mechanisms following banking security standards.
  • Collaborate with business analysts, frontend developers, and QA teams to deliver robust and compliant solutions.
  • Optimize backend performance and ensure high availability and reliability of services.
  • Participate in code reviews, testing, CI/CD, and cloud deployment (AWS/Azure).
  • Troubleshoot production issues and support live banking applications.

Key Skills

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