Java Software Engineer (Senior)

About EPOS VietnamEstablished in 2009, 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 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 Contributions• Develop and maintain clean, scalable, and reliable Java backend services

• Optimize system performance, reliability, and development workflows
• Identify workflow bottlenecks and leverage AI tools and automation to improve team productivity
• Define and promote AI usage standards and best practices across the engineering team
• Establish validation practices for AI-generated code to ensure quality and maintainability
• Build reusable AI playbooks, templates, and toolkits to scale effective practices across the team
• Develop and maintain unit tests and participate in code reviews to ensure code quality
• Collaborate with engineers and cross-functional teams to design and deliver new features
• Contribute to the evolution of microservices architecture, focusing on scalability, reliability, and maintainability
• Mentor and guide junior engineers, sharing technical knowledge and best practices

• Bachelor’s degree in Computer Science / Information Technology / Software Development, or related fields
• At least 6 years of experience in Java Backend and Spring frameworks (Spring Boot, JUnit, etc)
• Solid experience with Cloud platforms (AWS, Azure, GCP) and cloud-based application development
• Experience with AI-assisted development, workflow automation, or AI tools is a must
• Good knowledge of Relational Databases, SQL, and ORM
• Strong understanding of OOP, data structures, design patterns, concurrency, and problem-solving
• Understanding of SDLC and software engineering best practices
• Good/Fluent English communication is mandatory
• Proactive, open-minded, and willing to challenge existing ways of working and drive continuous improvement

We are a multinational, product-driven company specializing in proprietary POS solutions — developing in-house and delivering directly to our worldwide customers.

Benefits

• Recognition & Rewards:
• Performance Bonus (subject to the company’s business results and the employee’s performance evaluation)
• Biannual Performance Review and Salary Adjustment

• Comprehensive Insurance Coverage:
• Full government public insurance contributions based on gross salary
• Premium health insurance from Liberty Insurance
• Annual health check

• Clear career development and growth structure; Training sessions and Learning workshops
• 14 days of annual leave and one additional day of leave for every year of service
• Laptop/MacBook and top-notch facilities are provided based on each role
• Agile/Scrum-based internal workflows for efficient and collaborative development
• Company trips, parties and regular team-building activities; Weekly happy hour, coffee, snacks, and board games

Working Environment & Culture

• International Workplace: English-speaking environment
• Positive and Open-Minded Culture: Engineers are encouraged to propose innovative solutions that enhance productivity and code quality
• 1-on-1 Mentorship: Monthly coffee sessions with managers offer personalized feedback, goal setting, and career development opportunities
• Flexible Working Hours: Promote work-life balance and individual productivity