Senior Java Trade Systems Engineer

PERSOL SINGAPORE PTE. LTD.; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

PERSOL Singapore Pte Ltd is seeking an experienced Java backend developer to design, build, and maintain scalable trading applications. You will work across the full stack, including backend services and frontend interfaces, translating business requirements into robust technical solutions.

You will contribute to high performance, reliability, and security, troubleshoot production issues, and collaborate with QA, DevOps, and business stakeholders.

Qualifications

• 5+ years of Java development experience (Java 8 or above).
• Backend development with multithreading and concurrency.
• Experience with trading or financial applications preferred.
• Solid understanding of databases (SQL/NoSQL).
• Familiarity with microservices architecture and cloud environments a plus.
• Ability to work independently with minimal supervision.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork skills.

Responsibilities

• Design, develop, and maintain scalable trading applications.
• Work across the full stack, including backend services and frontend interfaces.
• Analyze business requirements and translate them into technical solutions.
• Ensure high performance, reliability, and security of applications.
• Troubleshoot and resolve production issues promptly.
• Collaborate with QA, DevOps, and business stakeholders.
• Participate in code reviews and contribute to engineering best practices.

Skills

Java development

Backend development

Concurrency

SQL/NoSQL

Microservices

Cloud environments

Independent work

Problem solving

Communication

Tools

Spring Framework

Hibernate

Docker

Kubernetes

Job description

PERSOL Singapore Pte Ltd is seeking an experienced Java backend developer to design, build, and maintain scalable trading applications. You will work across the full stack, including backend services and frontend interfaces, translating business requirements into robust technical solutions.

You will contribute to high performance, reliability, and security, troubleshoot production issues, and collaborate with QA, DevOps, and business stakeholders.