Senior Java Developer

jondavidson pte. ltd.; Singapore; On-site; SGD 100,000 - 180,000; Full time

Job summary

jondavidson pte. ltd. seeks an experienced Java/Spring Boot engineer to build secure, high-volume microservices for core banking, including payments and risk/compliance.

You will design and integrate transaction systems (SWIFT/ISO 20022), secure APIs with OAuth2/JWT, and optimize latency while collaborating in an Agile environment with architects and QA teams.

Qualifications

• 7+ yrs Java experience with at least 3 years in banking.

Responsibilities

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

Skills

Java

Spring Boot

REST

JPA

Oracle

Kafka/JMS

Docker

PCI-DSS

Secure coding

AK8?

Tools

Jenkins

Git

ELK

OAuth2/JWT

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