AS400 Senior Developer

OSI Digital, Inc.; Hyderabad; On-site; INR 1,800,000 - 3,800,000; Full time

Job summary

OSI Digital, Inc. is seeking a Senior Analyst Developer with AS400 expertise to join our Hyderabad/Bangalore/Chennai team. You will analyze, design, develop, and maintain AS400-based applications, collaborating with cross-functional teams to deliver robust software solutions.

The role requires 10+ years of hands-on AS400 development, RPG/RPGILE/RPGLE, CL, DB2, and SQL, with exposure to web services and REST APIs. Mentorship and strong problem-solving are essential for success.

Qualifications

• 10+ years of AS400 development experience required.
• Proven expertise in RPG/RPGILE/RPGLE, CL, DB2, and SQL.
• Experience with sFTP, REST APIs, and web services is a plus.

Responsibilities

• Design, develop, and maintain AS400 applications using RPG/RPGILE/RPGLE, CL, DB2, SQL.
• Collaborate with analysts to translate requirements into technical solutions.
• Analyze, troubleshoot, and optimize AS400 software for performance.
• Lead development of scalable, secure, reliable solutions.
• Develop and execute test plans for high-quality releases.
• Mentor junior developers and provide technical guidance.
• Create technical documentation for systems and processes.
• Coordinate migrations, upgrades, and integrations with modern tech.
• Ensure efficient interfaces and workflows with cross-functional teams.
• Monitor and optimize application performance.

Skills

RPG/RPGILE/RPGLE

CL

DB2

Stored Procedures

SQL

sFTP

AS400/iSeries

REST APIs

Web Services

Debugging

Team Collaboration

Education

Bachelor’s degree in Computer Science/Information Technology

Tools

iNavigator

Hawkeye

Turnover

SEU

RLU

Deployment tools

Job description

Job Title: Senior Analyst Developer AS400

Location: Hyderabad/ Bangalore/ Chennai

Experience: 10+ Years

Position Overview

We are seeking a highly skilled and experienced Senior Analyst Developer with expertise in AS400 (iSeries) to join our dynamic team. In this role, you will be responsible for analyzing, designing, developing, and maintaining business applications and systems on the AS400 platform. You will collaborate with cross-functional teams to deliver high-quality software solutions that meet business needs while ensuring optimal system performance and stability.

Key Responsibilities

• Design, develop, and maintain applications and systems on the AS400 (iSeries) platform, leveraging RPG/RPGILE/RPGLE, CL, DB2, Stored Procedures, SQL and other relevant tools. Experience with Web Services and API would be a plus.
• Collaborate with business analysts and stakeholders to understand requirements and translate them into effective technical solutions.
• Perform system analysis, troubleshooting, and debugging of AS400 applications to resolve issues and improve performance.
• Lead the development and enhancement of software solutions with a focus on scalability, security, and reliability.
• Develop and execute test plans and conduct thorough testing of applications to ensure high-quality releases.
• Provide mentorship and guidance to junior developers, helping them improve their skills and advance their careers.
• Create and maintain comprehensive technical documentation for systems and processes.
• Work on system migrations, upgrades, and integrations with modern technologies, ensuring minimal disruption to business operations.
• Collaborate with cross-functional teams to ensure that application interfaces and workflows are efficient and aligned with business goals.
• Monitor and optimize the performance of applications, ensuring systems are running efficiently and reliably.

Required Skills & Qualifications

• Proven experience as an AS400 SR. Analyst Developer, with at least 10 years of experience in RPG/RPGILE/RPGLE, CL, DB2, Stored Procedures, sFTP, and SQL.
• Solid understanding of AS400 system architecture and tools (e.g., iNavigator, Hawkeye, Turnover, SEU, RLU, etc.).
• Experience in software development lifecycle management, from requirements gathering through to post-implementation support.
• Strong debugging, troubleshooting, and performance optimization skills.
• Familiarity with software integration and application interfaces, including REST APIs and web services.
• Ability to work independently as well as part of a collaborative team.
• Excellent communication skills, with the ability to interact effectively with technical and non-technical stakeholders.
• Strong problem-solving skills with attention to detail and a proactive approach to issue resolution.

Preferred Skills

• Knowledge of modern technologies (e.g., Java, .NET, SAP, or cloud platforms) and how they integrate with AS400 systems.
• Experience with Agile or other software development methodologies.
• Familiarity with change management software (e.g., Turnover) and automated deployment tools.
• AS400 system administration experience.

Education & Experience

• Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent work experience).
• 10+ years of experience in AS400 development and analysis.