Senior Java Developer - Microservices & Payments

PERSOL SINGAPORE PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

PERSOL SINGAPORE PTE. LTD. is seeking a skilled Java backend professional to design, develop and maintain scalable banking and payment systems. You will work on Spring Boot microservices, REST APIs, and high-performance transaction processing within a collaborative, multi-disciplinary team.

The role requires strong Core Java expertise, multithreading/concurrency mastery, and experience with REST APIs and SQL databases. Join a global MNC delivering reliable financial solutions.

Qualifications

• Bachelor's degree in computer science or engineering.
• 5+ years of experience in Java, Microservices, Multithreading, SpringBoot, Payments.
• Strong hands-on experience in Core Java.
• Strong knowledge of Multithreading / Concurrency.
• Hands-on experience with Spring Boot and Microservices Architecture.
• Experience developing REST APIs and SQL/databases.

Responsibilities

• Design, develop, and maintain scalable Java-based applications for banking and payment systems.
• Develop and maintain Spring Boot Microservices and REST APIs.
• Work on Java Multithreading / Concurrency for high-performance transaction processing.
• Develop and integrate payment processing solutions and banking applications.
• Troubleshoot performance, production, and transaction-related issues.
• Collaborate with business, technical, and QA teams to deliver reliable solutions.

Skills

Java

Microservices

Multithreading

Spring Boot

Payments

REST APIs

SQL/Databases

Education

Bachelor's degree in computer science or engineering

Job description

PERSOL SINGAPORE PTE. LTD. is seeking a skilled Java backend professional to design, develop and maintain scalable banking and payment systems. You will work on Spring Boot microservices, REST APIs, and high-performance transaction processing within a collaborative, multi-disciplinary team.

The role requires strong Core Java expertise, multithreading/concurrency mastery, and experience with REST APIs and SQL databases. Join a global MNC delivering reliable financial solutions.