Senior Java Backend Engineer — Certificate Management

NEWBRIDGE ALLIANCE PTE. LTD.; Singapore; On-site; SGD 120,000 - 170,000; Full time

Job summary

NEWBRIDGE ALLIANCE PTE. LTD. is seeking an experienced Java Developer to join our client's Development team and deliver a scalable, secure Certificate Management Solution that centralizes certificate lifecycle across their systems.

The role requires strong Java expertise, secure coding, and integration with Keycloak IdP, AWS, and MS SQL Server, along with a solid understanding of MAS TRM and cloud-native practices.

Qualifications

• 5-8 years of hands-on Java backend development (Spring Boot).
• Security and enterprise-grade service development experience.
• Hands-on with Keycloak or similar IdP (Okta, Azure AD, Auth0).
• Hands-on with AWS and MS SQL is mandatory.
• Strong cryptography, certificate handling (X.509, mTLS).
• Knowledge of MAS TRM and banking security standards is preferred.

Responsibilities

• Gather and analyze requirements with Tech Leads and Architects.
• Design and develop a scalable Certificate Management Service.
• Ensure design aligns with security and compliance requirements (MAS TRM).
• Develop backend services using Java 8/17/21 and Spring Boot.
• Integrate with Keycloak IdP for authentication/authorization.
• Integrate with AWS services for certificate storage and lifecycle management.
• Integrate with MS SQL Server for data storage.
• Implement secure coding practices and key management.
• Follow SDLC standards with code reviews and unit testing.
• Support deployment during SIT/UAT and prepare docs.

Skills

Problem solving

Communication

Documentation

Education

Bachelor's Degree in Computer Science, Engineering or related field

Tools

Java 8/17/21

Spring Boot

REST APIs

Microservices

Keycloak IdP

OAuth2 / OIDC / JWT

AWS (ACM, Secrets Manager)

MS SQL Server

Linux

Git

Jenkins / CI/CD

JIRA

Maven/Gradle

Unit Testing (JUnit / Mockito)

MAS TRM compliance

Job description

NEWBRIDGE ALLIANCE PTE. LTD. is seeking an experienced Java Developer to join our client's Development team and deliver a scalable, secure Certificate Management Solution that centralizes certificate lifecycle across their systems.

The role requires strong Java expertise, secure coding, and integration with Keycloak IdP, AWS, and MS SQL Server, along with a solid understanding of MAS TRM and cloud-native practices.