AS400 Developer Senior (IBM i / iSeries)

fis; Pune District; On-site; INR 1,800,000 - 2,600,000; Full time

Job summary

FIS in Pune is seeking an AS400 Developer with 5+ years of hands-on IBM i experience to design, develop, and support mission-critical applications on the AS400 platform.

You will analyze business requirements, prepare technical designs, and collaborate with Product Management, QA, and Operations to deliver reliable, scalable solutions. This role involves code reviews, on-call rotation, and mentoring junior engineers in a fast-paced, global environment.

Qualifications

• 5+ years hands-on IBM AS400 (IBM i / iSeries) development and support.
• Expertise in RPG/RPGLE, SQLRPGLE, CL/CLLE, DB2/400 and batch processing.
• Experience with IBM i APIs, Data Queues, User Queues and Message Queues.
• Strong SDLC knowledge with Agile / iterative delivery.
• Excellent communication and collaboration in global teams.

Responsibilities

• Design, develop, enhance, and maintain IBM i applications.
• Analyze requirements and create technical designs.
• Estimate effort and contribute to delivery planning.
• Collaborate with PM, BAs, QA and stakeholders to deliver solutions.
• Provide on-call support and incident response.
• Mentor junior engineers and promote best practices.

Skills

RPG/RPGLE

SQLRPGLE

CL/CLLE

DB2/400

Batch processing

DFU

Query tools

Agile/iterative delivery

Tools

IBM i APIs

Data Queues

User Queues

Message Queues

Journaling

Multi-threading

Job description

AS400 Developer(IBM i / iSeries) - 5 to 9 Yrs - Pune Location

About the team

As a Senior Software Engineer, you will be part of a team responsible for developing, enhancing, and supporting a flagship post-trade processing platform that serves global futures, options, and clearing markets. You will work across the full software development lifecycle, delivering high-quality solutions that support exchanges, clearing organizations, brokers, and financial institutions worldwide. Success in this role requires strong technical expertise, problem-solving abilities, and collaboration with cross-functional teams to ensure reliable, scalable, and efficient business solutions.

What You Will Be Doing

• Design, develop, enhance, and maintain mission-critical applications on the IBM i (AS400) platform.
• Analyze business requirements and create detailed technical design documentation.
• Estimate development efforts, track progress, and contribute to delivery planning.
• Collaborate with Product Management, Business Analysts, QA teams, and stakeholders to prioritize and deliver solutions.
• Develop and optimize RPG, RPGLE, SQLRPGLE, CL, and DB2/400 based applications.
• Troubleshoot, diagnose, and resolve production issues to ensure platform stability and performance.
• Perform application enhancements, defect resolution, and system maintenance activities.
• Support batch processing, system integrations, and operational workflows.
• Participate in code reviews, release management, and continuous improvement initiatives.
• Provide rotational on-call support and respond to critical business and operational incidents.
• Partner with Operations, Client Services, and other teams to ensure seamless service delivery.
• Mentor junior engineers and contribute to technical best practices within the team.

What you bring

• 5+ years of hands‑on experience in IBM AS400 (IBM i / iSeries) application development and support.
• Strong expertise in RPG/RPGLE, SQLRPGLE, CL/CLLE, DB2/400, batch processing, DFU, and query tools.
• Experience supporting production environments and resolving complex application and system issues.
• Knowledge of IBM i APIs, Data Queues, User Queues, Message Queues, Multi‑threading, Journaling, and IBM i library‑based file systems.
• Strong understanding of software development lifecycle methodologies, including Agile and iterative delivery models.
• Experience with source control, code management, deployment, and release processes.
• Strong analytical, debugging, problem‑solving, and troubleshooting skills.
• Excellent communication, stakeholder management, and collaboration skills.
• Ability to work effectively in a fast‑paced, global team environment.

What We Offer

• A dynamic role with significant responsibility and diverse challenges
• Extensive opportunities for professional growth and career development
• Competitive compensation and benefits package
• Access to a wide range of learning resources and development tools

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