We are seeking a Chief Developer to serve as a senior technical leader within the Hanoi engineering team. In this role you will define and drive technical direction for our ERP platform, lead and manage a team of developers and Business Analysts, and ensure the quality, security and scalability of our solutions.
You will work closely with the Singapore headquarters to translate evolving product requirements into robust technical solutions, and you will champion best practices in architecture, code quality, and AI-driven development methodologies.
Key Responsibilities
Technical Direction and Architecture
- Define, evaluate and review technical solutions using Java EE, Hibernate/JPA, JSF, PrimeFaces and PostgreSQL.
- Propose and present architectural decisions and technology strategies to leadership.
- Research and implement emerging technologies to improve product quality and developer productivity.
Team Management and Development Leadership
- Collaborate within a team of Senior Developers to guide and support junior and mid-level engineers on complex development tasks.
- Lead code reviews and establish development standards that promote code quality and maintainability.
- Support teams in scoping and creating technical proposals for new modules and project features.
- Provide technical coaching and guidance, and share constructive feedback to support professional development.
- Manage the Hanoi Business Analyst team.
Production Support and Problem-Solving
- Investigate and resolve critical production issues related to debugging, performance optimisation, workload management and security.
- Communicate directly with third-party vendors and integration partners on technical matters.
Cross-functional Collaboration
- Work closely with Business Analysts and the Singapore HQ to clarify requirements and ensure technical feasibility.
- Collaborate with the Hanoi Business Analyst team on requirement analysis, solution design and technical feasibility.
- Contribute to pre-sales and proposal activities by providing technical input on solution scope and effort estimation.
- Work with the Singapore Business Analyst Manager to expand the job scope of the Hanoi R&D team.
Job Requirements (Must Have)
- Proven experience as a Chief Developer, Senior Developer or in a technical leadership role, preferably within an ERP or enterprise software company.
- 7+ years of Java (JSF, CDI/EJB or Spring, JPA/JDBC), with the ability to separate business logic from view logic in legacy code.
- 3+ years leading a development team, with experience mentoring developers.
- Proven experience designing and shipping REST APIs (OpenAPI, versioning, error contracts).
- Strong knowledge of authentication and authorisation (OAuth2/OIDC, JWT) and multi-tenant data isolation.
- Hands-on experience with Next.js, React and TypeScript, enough to set architecture and review work.
- Experience migrating a legacy monolith to an API plus modern front end incrementally.
- Strong PostgreSQL skills (functions, triggers, query tuning).
- Excellent communication and interpersonal skills with business-level English proficiency.
- High integrity and a genuine passion for code quality, knowledge sharing and building a strong engineering culture.
- Commitment to confidentiality and proactive security risk management.
Preferred Qualifications (Nice to Have)
- Experience developing or operating large-scale ERP or enterprise web applications.
- Familiarity with Agile/Scrum methodologies.
- Experience in a multinational or cross-cultural development environment.
Ideal Candidate Profile
- A technically deep individual who balances hands-on problem-solving with a strong drive to raise the level of the team around them.
- Someone who takes ownership of product quality and proactively identifies gaps in architecture, process or code.
- A clear communicator who can bridge technical complexity and business needs across the Singapore and Hanoi teams.
- A lifelong learner who stays current with technology trends and brings new ideas to the team.
Salary and Benefits
Salary: Competitive, commensurate with experience (13th and 14th month bonuses included)
- Social insurance, health insurance, and unemployment insurance per Vietnamese labor law.
- Salary review twice per year.
- 14 days annual leave + 10 sick days + additional public holidays (including Christmas,
- International Women’s Day, Vietnamese Women’s Day).
- Private medical insurance enrollment.
- Birthday celebration, team-building activities, and annual company trip.
- Free fruits, snacks, tea, and coffee in the office.
Working at Our Hanoi Office
Location: C Tower, 25th Floor, Central Point Tower, 219 Trung Kinh, Yen Hoa, Cau Giay, Hanoi
Working hours: Monday to Friday, 8:00 a.m. to 12:00 p.m. and 1:00 p.m. to 5:00 p.m. Saturday and Sunday off.
About Synergix Technologies
As a subsidiary of Miroku Jyoho Service Co., Ltd. (MJS), a Tokyo Stock Exchange-listed company with decades of expertise in ERP and accounting solutions, Synergix Technologies is backed by strong financial stability, proven technology, and deep industry know-how.
Founded in Singapore in 1990, Synergix is a leading ERP solutions provider serving over 600 clients across multiple industries. With a team of more than 150 professionals operating across Singapore, Vietnam, and the Philippines, we specialise in delivering localised, scalable ERP implementations built for regional business needs.
Our Hanoi development centre has been growing steadily since 2010 and plays a central role in the product engineering of our flagship Java EE-based ERP platform.
How to Apply
Send your CV and cover letter to the contact below, with Chief Developer in the subject line.
Email: sunny.bui@synergixtech.com
Phone: 0796 353 325 (Ms Sunny)
Note: Please be informed that our company may use AI-based tools to screen and evaluate applications as part of the recruitment process.