Senior Java Software Engineer (Spring, SQL)

About Us Established in 2009, Floating Cube Studios - EPOS Vietnam serves as the technical hub of EPOS Singapore, a leading provider of cutting-edge Point-of-Sale (POS) and SaaS solutions. Backed by Ant International — a global leader in digital payments and financial technology — we play a pivotal role in developing innovative, scalable, and user-centric digital solutions that power EPOS products. Our technologies enable thousands of SMEs in Singapore, and with ongoing expansion plans across Asia, to digitize and grow their operations through cost-effective and reliable platforms.  At Floating Cube Studios - EPOS Vietnam, we cultivate a collaborative and dynamic culture driven by innovation and a passion for transforming businesses through technology. Join us to shape the future of digital solutions across Asia and beyond! Key ContributionsWrite clean, well-tested, and maintainable code, adhering to established coding standards and best practices.Ensure component optimization for consistency and performance across all systemsEnhance system reliability and performance through ongoing optimization.Identify, diagnose, and resolve system bugs to maintain stability and efficiency.Establish methodologies and define metrics for system monitoring and performance tracking.Develop and maintain unit tests to prevent regression and ensure code quality.Collaborate with team members to understand business requirements and develop applications.Collaborate with cross-functional teams to design, develop, and deliver new features.Share technical knowledge and best practices with the broader engineering team.Participate in code reviews, offering constructive feedback and ensuring adherence to coding standards.Contribute to and lead the ongoing evolution of the microservices architecture, focusing on ensuring scalability, reliability, and long-term maintainability.