AS400 Senior Developer

OSI Digital, Inc.; Hyderabad; On-site; INR 2,500,000 - 3,200,000; Full time

Job summary

OSI Digital, Inc. seeks an experienced Senior Analyst Developer for AS400 (iSeries) to design, develop, and maintain business applications. You will work on RPG/RPGILE/RPGLE, CL, and DB2, linking with REST APIs and web services, while guiding a team of developers.

The role requires strong problem-solving, collaboration with cross-functional teams, and a focus on performance, security, and reliability of AS400 systems. Senior expertise and leadership are essential for driving robust solutions.

Qualifications

• 10+ years of AS400 development and analysis experience.
• Proven expertise in RPG/RPGILE/RPGLE, CL, DB2, stored procedures, and SQL.
• Experience with AS400 system tools and architecture (iNavigator, Hawkeye, Turnover, SEU).
• Knowledge of REST APIs and web services integration.

Responsibilities

• Design, develop, and maintain AS400 applications using RPG/RPGILE/RPGLE, CL, DB2, SQL.
• Collaborate with analysts and stakeholders to translate requirements into technical solutions.
• Analyze, debug, and optimize AS400 applications for performance.
• Lead development efforts with focus on scalability, security, and reliability.
• Create test plans and perform thorough testing for quality releases.
• Mentor junior developers and document technical processes.
• Support system migrations, upgrades, and integrations with modern tech.
• Ensure efficient interfaces and workflows across systems.

Skills

AS400 RPG

DB2

SQL

RPGILE/RPGLE

CL

Web services/rest APIs

SFTP

iNavigator

Education

Bachelor's degree in Computer Science/IT or related field

Tools

Hawkeye

Turnover

SEU

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.