Java developer

Our client is looking for 1x experienced Java Developer to work with their Development team to deliver a scalable secure and compliant Certificate Management Solution. The solution will be a central service for managing the lifecycle of certificates across the banks systems. The role requires strong expertise in Java secure coding practices and integration with identity and cloud platforms.

A. Requirement & Design

• Gather and analyze business and technical requirements; perform impact assessment together with our clients Tech Leads and Architects.
• Design and develop a scalable highly available Certificate Management Service.
• Ensure solution design aligns with our clients development standards security policies and compliance requirements (MAS TRM).

B. Development & Integration

• Design and develop backend services using Java 8/17/21 and Spring Boot.
• Integrate with Keycloak IdP for authentication and authorization.
• Integrate with AWS services (ACM Secrets Manager) for secure certificate storage and lifecycle management.
• Integrate with MS SQL Server for application data storage and management.
• Implement secure coding practices data encryption and key management.

C. Quality Compliance & Support

• Follow our clients SDLC standards including code reviews unit testing and documentation.
• Ensure compliance with security and regulatory guidelines (MAS Technology Risk Management).
• Provide deployment support and fix defects during SIT / UAT phases.
• Prepare technical design documents deployment guides and operational handbooks.

• Core: Java 8 / 17 / 21 Spring Boot REST APIs Microservices
• Security / IdP: Keycloak IdP OAuth2 / OIDC / JWT
• Cloud: AWS - ACM (AWS Certificate Manager) Secrets Manager EC2/S3 basics
• Database: MS SQL Server - SQL queries stored procedures
• OS: Linux
• Tools & Practices: Git Jenkins / CI/CD JIRA Maven/Gradle Secure Coding Unit Testing (JUnit / Mockito)
• Compliance Knowledge: MAS TRM secure key/certificate handling is a strong plus

1. Requirement Analysis & Impact Assessment Document
2. Technical Design Document (HLD / LLD)
3. Developed & Unit-Tested Certificate Management Service
4. Integration with Keycloak AWS and MS SQL
5. Deployment Package & Support during SIT/UAT

• 5-8 years of hands-on experience in Java backend development (Spring Boot).
• Proven experience in building secure enterprise-grade services.
• Hands-on experience with Keycloak or similar IdP (Okta Azure AD Auth0).
• Hands-on experience with AWS and MS SQL is mandatory.
• Strong understanding of cryptography certificates (X.509 mTLS keystores) encryption at rest/in-transit.
• Familiarity with MAS TRM and banking security standards is highly preferred.
• Excellent problem-solving communication and documentation skills.
• Bachelors Degree in Computer Science Engineering or related field.