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Java Software Engineer

Aquariux Fintech

Singapore, Singapore, Singapore Full-time May 28, 2026
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Vacancy Description

We are seeking a Backend Engineer to design, develop, and maintain backend services and APIs that power our internal and customer-facing applications. You will work closely with cross-functional teams to build reliable, scalable, and secure systems using Spring Boot, PostgreSQL, and AWS.


Responsibilities

  • Develop, enhance, and maintain backend services using Java and Spring Boot.
  • Design and implement RESTful APIs, ensuring performance, scalability, and reliability.
  • Work with PostgreSQL, including schema design, query optimization, and performance tuning.
  • Write clean, maintainable, and testable code following best practices.
  • Troubleshoot production issues and contribute to improving system stability and observability.
  • Participate in code reviews, architectural discussions, sprint planning, and technical decisions.

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