Java Microservices Backend Engineer - FinTech

IDC TECHNOLOGIES (SINGAPORE) PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

IDC Technologies (Singapore) Pte. Ltd. seeks a Backend Software Engineer to develop cloud-native Java 17+ microservices for lending origination and to refactor legacy J2EE code into modern services.

You will implement contract-first REST APIs aligned with Swagger specs and integrate with core banking, credit bureau checks, and Singpass MyInfo. You will collaborate in an Agile squad, ensuring zero-regression platform evolution while delivering scalable DB schemas and robust automated tests.

Qualifications

• 3 to 6 years of backend software engineering experience in enterprise environments.
• Proven track record building RESTful microservices with Java and Spring Boot.
• Strong analytic skills to translate complex lending rules into microservices.
• Hands-on Agile project experience with Scrum/Kanban ceremonies.
• Solid SQL, relational database modeling, and transaction handling.
• Experience with asynchronous messaging using Kafka or RabbitMQ.
• Familiarity with automated testing frameworks (JUnit 5, Mockito, Postman).
• Banking/FinTech domain experience is an advantage.
• Excellent communication for cross-functional collaboration.

Responsibilities

• Develop cloud-native Java 17+ with Spring Boot microservices for lending origination.
• Refactor legacy J2EE monoliths into clean, decoupled microservices.
• Extend onboarding platform domain patterns and orchestration with zero regression.
• Design RESTful APIs optimized for ReactJS MFE onboarding journeys.
• Integrate with Credit Bureau checks, decisioning engines, and Singpass MyInfo.
• Model and optimize relational DB schemas and write efficient SQL.
• Implement event-driven processing with Apache Kafka for status and auditing.
• Write unit and integration tests; implement circuit breakers and idempotency.
• Collaborate in an Agile squad with product, tech lead, and QA.
• Demonstrate ownership and accountability as a reliable team player.

Skills

Analytical thinking

Agile experience

Ownership

Cross-functional collaboration

Problem solving

Tools

Java

Spring Boot

OpenAPI / Swagger

PostgreSQL

MariaDB

Oracle

Apache Kafka

Docker

Kubernetes

JUnit 5

Mockito

Testcontainers

Job description

IDC Technologies (Singapore) Pte. Ltd. seeks a Backend Software Engineer to develop cloud-native Java 17+ microservices for lending origination and to refactor legacy J2EE code into modern services.

You will implement contract-first REST APIs aligned with Swagger specs and integrate with core banking, credit bureau checks, and Singpass MyInfo. You will collaborate in an Agile squad, ensuring zero-regression platform evolution while delivering scalable DB schemas and robust automated tests.