Senior Java Developer | Up to $3,500 | Join After Tet or Early Next Year

1. INTRODUCTIONa. About WAO Hire:WAO Hire company, is a collective group of tech recruiters and developers. We help fast growing companies connect with talented developers. We take the humanized approach to hire and work with developers, because we know that's the best way to find the best developers for businesses. b. Obout client: Established in 2009, our client 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 — our client plays a pivotal role in developing innovative, scalable, and user-centric digital solutions that power EPOS products.Their technologies enable thousands of SMEs in Singapore (and expanding across Asia) to digitize and grow their operations through cost-effective and reliable platforms.2. RESPONSIBILITY: Write clean, well-tested, and maintainable code, adhering to established coding standards and best practices.Ensure component optimization for consistency and performance across all systems.Enhance 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 micro-services architecture, focusing on ensuring scalability, reliability, and long-term maintainability 3. REQUIREMENTS At least 7 years of hands-on experience in Java backendStrong hands-on experience in frameworks such as Spring Boot, JUnit, etc.Familiar knowledge of Relational Databases, SQL and ORM technologies.Good understanding and knowledge of OOP, data structure, design patterns, concurrency programming and problem-solvingUnderstanding of software development lifecycle (SDLC).Hands-on experience in Cloud (AWS, Azure, GCP) is a plus.At least Upper-intermediate English communication is mandatory.Understanding of software development lifecycle (SDLC).Optimistic and proactive; dare to innovate and challenge different things.Ability to research, learn quickly, be open-minded, and work in a fun environment.Associate's/ Bachelor’s degree in Computer Science/ Information Technology/ Software Development, or related fields. 4. BENEFITS:Being a member of us, you will experience a youthful, flexible, and creative work environmentOpen for Senior (from 7+ yoe - max 3,000 USD) and Tech Lead (max 3,500 USD) + Performance bonusFull government public insurance contributions based on gross salaryPremium health insuranceAnnual health checkClear career development and growth structure; Training sessions and Learning workshops14 days of annual leave and one additional day of leave for every year of serviceLaptop/MacBook and top-notch facilities are provided based on each roleAgile/Scrum-based internal workflows for efficient and collaborative developmentCompany trips, parties and regular team-building activities; Weekly happy hour, coffee, snacks, and board gamesOverseas travel opportunities based on the individual performance and policies for each evaluation period Working Environment Culture \International Workplace: English-speaking environmentPositive and Open-Minded Culture: Engineers are encouraged to propose innovative solutions that enhance productivity and code quality1-on-1 Mentorship: Monthly coffee sessions with managers offer personalized feedback, goal setting, and career development opportunities 5. WORKING TIME: Monday - Friday, 09:00 AM – 6:00 PM 6. INTERVIEW PROCESS: Round 1: Phone Screening from HRRound 2: Technical Interview (100% in English) - Online/OfflineRound 3: Culture-Fit Interview - Offline7. LOCATION: Dinh Tien Hoang, Tan Dinh ward, HCM