Senior Java Developer

JONDAVIDSON PTE. LTD.; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

A leading technology company in Singapore is seeking an experienced developer to build secure, high-volume Java microservices for core banking applications. This role demands expertise in Java and Spring Boot, as well as compliance with PCI-DSS standards. Ideal candidates should have over 7 years of Java experience, with a minimum of 3 years in the banking sector. Successful applicants will integrate transaction systems and optimize API performance under Agile methodologies.

Qualifications

• 7+ years of Java development experience, with at least 3 years in banking.
• Strong understanding of Spring Boot, JPA, and REST APIs.
• Experience with PCI-DSS compliance and secure coding practices.

Responsibilities

• Build secure, high-volume Java microservices for core banking.
• Integrate transaction systems using SWIFT/ISO 20022.
• Optimize API latency and ensure secure APIs.

Skills

Java

Spring Boot

REST

Secure coding

Agile methodologies

Tools

Docker

Oracle

Kafka

Job description

Role: Build secure, high-volume Java/Spring Boot microservices for core banking (payments, Banking systems, risk, compliance).

Key Duties

• Code & integrate transaction systems (SWIFT/ISO 20022)
• Secure APIs (OAuth2/JWT), optimize latency
• CI/CD (Jenkins/Git), monitor (ELK)
• Agile delivery with architects & QA

Must-Have

• 7+ yrs Java; 3+ in banking
• Java 8+, Spring Boot/Security, JPA, REST
• Oracle, Kafka/JMS, Docker
• PCI-DSS, secure coding

Nice-to-Have

• K8s, TDD, real-time payments