Hello All,

Greetings from ZettaMine!!!

Job Title: AS400 Developer

Location: Pune/Hyderabad

Experience: 8-10 Years

Notice Period: Immediate Joiners

Location: Pune / Hyderabad

Job Title: AS400 Developer In This Role, You Will:

- Own technical design and delivery for IBM i initiatives, ensuring solutions are secure, resilient, and supportable.
- Have hands-on experience in data migration projects, migrating data from one system to another by developing transformation and loading scripts/builds.
- Provide day-to-day technical direction to developers, including coding standards, design reviews, estimation, and prioritisation.
- Partner with architecture, infrastructure, security, and product owners to align delivery with strategic roadmaps.
- Ensure documentation is fit for purpose, including solution designs, runbooks, support guides, and knowledge articles.
- Design, develop, and maintain IBM i applications using RPGLE (Free preferred), CL/CLLE, and COBOL (as applicable).
- Work with DB2 for i, including SQL, performance tuning, indexing strategies, and locking/journalling considerations.
- Lead root-cause analysis for major incidents and drive permanent fixes through problem management.
- Apply IBM i operational concepts, including subsystems, job queues, output queues, work management, and scheduling.
- Implement robust exception handling, logging, and recovery patterns to improve operational resilience.
- Provide L3 production support and technical oversight for L2 teams; participate in on-call and major incident support as required.
- Drive stability improvements through trend analysis, defect prevention,



and proactive monitoring enhancements.
- Own release readiness, including deployment planning, back-out strategies, post-release validation, and production sign-off.
- Enable and consume integrations using API concepts (REST/JSON), service enablement patterns, and middleware where relevant.
- Ensure integrations are observable and supportable through logging, alerts, error handling, and retries.
- Preferred: Build automation using Python (or similar technology) for products, data migration, operational tasks, reconciliation, reporting, and input/output validation.
- Good to have: Explore AI-enabled improvements, such as log analytics, anomaly detection, and incident triage support, in collaboration with platform/tooling teams.
- Promote CI/CD and test automation practices for IBM i delivery where tooling supports them.
- Lead technical delivery in Agile (Scrum/Kanban), including refinement, estimation, sprint planning, and continuous improvement.
- Coach the team on engineering practices, including quality gates, peer reviews, definition of done, and technical debt management.
- Keep up to date with current tools, technologies, cybersecurity, and regulations pertaining to data privacy, consent, and data residency.

To Be Successful in This Role:




- 12+ years of hands-on experience with IBM i / iSeries / AS400 in enterprise environments.
- Strong development experience in RPGLE (Free) and CLLE; COBOL is a plus, depending on the estate.
- Strong DB2 for i capabilities, including SQL, performance tuning, data modelling concepts, and troubleshooting.
- Participate in broader discussions about future-state software architecture.
- Knowledge of APIs and microservices, including designing and developing responsive UI components.
- Valuable troubleshooting skills.
- Strong leadership skills.
- Proven track record in production support, troubleshooting, and major incident/root-cause analysis.
- Solid understanding of exception handling, resilience patterns, and operational controls.
- Working knowledge of API usage and integration concepts, including REST, JSON, and authentication basics.
- Strong analytical and communication skills, with the ability to translate complex technical issues into clear actions and decisions.
- Exposure to AI/ML concepts or practical AIOps use cases.
- Experience leading data migration programmes, including ETL, reconciliation, and cutover.
- Python scripting and automation experience.

Good to Have:

- Experience modernising IBM i applications, including service enablement, refactoring, and hybrid integration.
- Familiarity with DevOps practices, version control (Git), and automated testing approaches.

Interested candidates kindly share your updated CV to [email protected] or WhatsApp to (phone hidden).

Thanks & Regards,

Gangadhar.B

📌 Developer (Hyderabad)
🏢 ZettaMine Labs
📍 Hyderabad