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AS400 Senior Developer

Infosys · BANGALORE
Posted June 30, 2026 via Infosys

We are seeking an experienced AS/400 Professional to join our team as a AS400 Senior Developer. As an AS400 Senior Developer, you will be responsible for leading and mentoring a team of AS/400 Developers in the design, development, and maintenance of web applications using the IBM AS/400 platform. Your expertise in AS/400 programming languages, tools, and technologies will be crucial in delivering high-quality solutions that meet our business requirements.

• Work with business stakeholders and technical teams to gather and analyze requirements for AS/400 applications.

• Design, develop, and enhance software solutions using AS/400 programming languages, including RPG IV, RPG Free, CL, and DDS.

• Write efficient and well-structured code to implement business logic and functionality on the AS/400 platform.

• Perform unit testing and debugging to ensure the quality and reliability of developed applications.

• Maintain and enhance existing AS/400 applications by troubleshooting issues, implementing bug fixes, and optimizing performance.

• Collaborate with other developers, database administrators, and system administrators to integrate AS/400 applications with other systems and databases.

Bachelor’s degree in Computer Science, Information Technology, or a related field.

• Strong understanding of AS/400 programming concepts, including file handling, program flow control, and data manipulation.

• Proficiency in debugging and troubleshooting AS/400 applications to identify and resolve issues effectively.

• Experience with AS/400 development tools, such as SEU, PDM, and RDi.

• Familiarity with relational databases, particularly DB2 on the AS/400 platform.

• Knowledge of AS/400 performance tuning and optimization techniques.

• Ability to work independently and collaboratively in a team environment, with excellent problem-solving and analytical skills.

• Experience with modernizing AS/400 applications, such as refactoring legacy code, implementing web services, or integrating with other platforms.

• Knowledge of IBM iSeries operating system and administration tasks.

• Familiarity with software development methodologies, such as Agile or Scrum.

• Understanding of software version control systems, such as Git or Subversion.

• Certification in AS/400 or related technologies.
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