Job Description & Details
The demand for legacy system modernization is soaring as companies rely on IBM i (AS/400) platforms to run critical operations. Skilled AS400 developers who can navigate RPG, CL, and DB2/400 are essential to keep these systems efficient and secure. This long‑term contract offers a unique chance to apply your RPG expertise in a dynamic, onsite environment in Issaquah.
Job Summary
We are seeking an experienced AS400 Developer to design, develop, test, and maintain applications on the IBM i platform. The role involves working with RPG III/IV/RPGLE, creating CL programs, managing DB2/400 databases, and providing production support and performance tuning.
Top 3 Critical Skills Table
| Skill | Why it's critical | Mastery Level |
|---|---|---|
| RPG IV / RPGLE | Core language for business logic on IBM i | Senior |
| IBM i (AS400) platform | Underpins all application deployment and maintenance | Senior |
| DB2/400 | Primary database; performance and data integrity depend on it | Senior |
Interview Preparation
- Explain the differences between RPG III, RPG IV, and Free‑Format RPG.
What the interviewer is looking for: Understanding of language evolution, syntax changes, and when to use each style. - How do you approach performance tuning for a DB2/400 query?
What the interviewer is looking for: Knowledge of indexing, query optimization, and tools like Explain. - Describe a scenario where you used CL programming to automate a production task.
What the interviewer is looking for: Practical experience with command‑level scripting and integration with RPG programs. - What steps do you take when debugging an RPGLE program that crashes in production?
What the interviewer is looking for: Systematic troubleshooting, use of debug tools, and error‑handling strategies. - How would you handle a critical incident that impacts a live AS400 application?
What the interviewer is looking for: Incident management process, communication, and rapid root‑cause analysis.
Resume Optimization
- AS400
- IBM i
- RPG III
- RPG IV
- RPGLE
- Free Format RPG
- CL programming
- DB2/400
- Performance tuning
- Production support
Application Strategy
When reaching out to the recruiter, send a concise email that starts with a polite greeting, attach your updated resume, and clearly highlight your top relevant skills. Make sure to mention related skills you possess, such as RPG IV, CL programming, and DB2/400 performance tuning, and reference specific projects where you applied these technologies.
Career Roadmap
| Current Role | Typical Experience | Core Focus | Next Position |
|---|---|---|---|
| AS400 Developer (Contract) | 2‑4 years on IBM i, RPG, DB2/400 | Application development & support | Senior AS400 Developer |
| Senior AS400 Developer | 5‑7 years, leading modules, performance optimization | Architecture & mentoring | AS400 Team Lead |
| AS400 Team Lead | 8‑10 years, strategic planning, cross‑team coordination | Platform strategy & governance | IT Manager / Platform Director |