Senior IBM i / Db2 for i Engineer

We are looking for an experienced IBM i / Db2 for i Engineer to develop, maintain, and modernize database applications on the IBM i platform. The ideal candidate has strong hands-on experience in Db2 for i SQL Stored Procedures, RPG modernization, and production support, along with the ability to work directly with US-based teams.

Key Responsibilities

• Develop and maintain database applications on IBM i using SQL (including dynamic SQL), ILE RPG (free-format) and CL.
• Build and tune Db2 for i objects: tables, views, indexes, stored procedures and triggers, with proper logging and exception handling.
• Modernize legacy code: convert RPG logic to SQL stored procedures and DDS files to SQL DDL.
• Troubleshoot production issues (job logs, locks, batch failures) and find root causes.
• Support data integration between IBM i and other systems.
• Analyze requirements with the US team: clarify scope, ask the right questions and turn business needs into technical solutions and estimates.
• Provide responsive support to business and IT users: handle requests and incidents, and communicate status, issues and fixes clearly.
• Work directly with the US teams: stand-ups, estimates and documentation.

Requirements

• 3+ years of hands-on production experience on IBM i (AS/400, iSeries), including real production support on live systems, not only training projects.
• Expert in SQL stored procedure development on Db2 for i (mandatory). Candidates with only embedded SQL and RPG experience will not be shortlisted.
• Proven experience converting/modernizing RPG code to SQL stored procedures.
• Strong SQL on Db2 for i, including embedded SQL (SQLRPGLE) and performance tuning (Visual Explain, Plan Cache).
• Able to read and maintain RPG IV, RPGLE and free-format RPG programs and CL; good understanding of DDS physical/logical files.
• Experience with IBM i tools such as RDi, ACS and Aldon.
• Professional English communication: able to join technical meetings and write clear emails and documents.
• Good communication skills: explain technical topics clearly to both technical and non-technical stakeholders.
• Strong requirement analysis skills: understand business needs, identify gaps and confirm requirements before development.
• Customer-support mindset: responsive, accountable and calm when handling user requests and production incidents.

Nice to Have

• Application development connecting IBM i to front ends via REST APIs and JSON (IBM i web services).
• Git source control and integration; change management tools such as ARCAD or Turnover.
• Exposure to Python, microservices and VS Code development.

Why you’ll love working here

• Attractive salary and benefits packages, including full social insurance on salary.
• 100% salary during Probation Period.
• Premium Healthcare and Accident insurance coverage.
• 14 days of leave, including 12 days of annual leave and 2 personal leave days.
• English-speaking working environment.
• Gifts on special occasions + holidays (Tet, Full-moon festival, Birthday, Christmas etc.)
• Employee Referral Program.
• Additional bonuses (13th bonus, Talented retention bonus).
• Engaging team-building activities, company trips, and year-end parties.
• Diverse training opportunities for technical and soft skills.
• Commitment to community development, including regular charity initiatives and blood donation drives.