Mainframe Developer

The Infosys interview process typically starts with an online aptitude test covering quantitative, logical, and verbal abilities, followed by a technical interview focusing on core programming concepts, data structures, and mainframe fundamentals like COBOL and DB2. The final HR round assesses cultural fit, communication skills, and career aspirations. Candidates report moderate difficulty, emphasizing clear problem‑solving approaches and practical examples.

Infosys promotes a learning‑first culture with regular upskilling initiatives, flexible work arrangements, and a strong emphasis on work‑life balance. Employees enjoy clear career progression, mentorship, and a collaborative environment that encourages innovation.

Graduates (B.Tech/B.E/M.Tech) in Computer Science, Information Technology, Electronics & Communication or related streams. Minimum 60% aggregate (or CGPA 6.0/10). Freshers from 2025‑2027 batches are eligible. No active backlogs at the time of joining. Candidates should have a basic understanding of programming concepts and an interest in mainframe technologies.

Round 1: Online Aptitude Test → Round 2: Technical Interview (focus on core programming and mainframe concepts) → Round 3: HR Interview

Infosys Limited, founded in 1981, is one of India’s largest IT services and consulting firms with a presence in over 50 countries. The company has built a strong reputation for delivering end‑to‑end digital transformation solutions to Fortune 500 clients across banking, healthcare, manufacturing, and retail sectors. With a workforce of more than 300,000 professionals, Infosys invests heavily in upskilling its talent through programs like Infosys Wings, NxtGen, and continuous learning platforms, making it an attractive destination for fresh engineering graduates. As a Mainframe Developer at Infosys, you will join a dedicated team that maintains and modernises mission‑critical legacy systems for global enterprises. The role offers exposure to high‑volume transaction processing environments, where you will work on designing, coding, testing, and supporting mainframe applications that power core business functions such as banking, insurance, and supply‑chain management. You will collaborate with senior architects, business analysts, and quality engineers to ensure that solutions are robust, scalable, and aligned with client expectations. Key responsibilities: 1. Analyse user requirements and translate them into detailed mainframe design specifications. 2. Design, develop, and maintain efficient, reusable COBOL and JCL code while adhering to coding standards. 3. Identify performance bottlenecks, debug issues, and propose optimal solutions. 4. Participate in code reviews and ensure compliance with security and regulatory guidelines. 5. Contribute to team meetings, providing updates on development progress and challenges. 6. Support production deployments and troubleshoot incidents across multiple environments. 7. Collaborate with database teams to optimise DB2 and VSAM interactions. 8. Document technical specifications, test cases, and user manuals. 9. Stay updated with emerging mainframe technologies and suggest modernization pathways. 10. Assist in knowledge transfer sessions for junior team members. Tech Stack: COBOL, JCL, DB2, CICS, VSAM, IMS, z/OS, TSO/ISPF, IBM Rational tools. Growth Path: Junior Mainframe Developer → Senior Mainframe Developer → Lead Developer → Solution Architect → Practice Lead, with opportunities to transition into cloud‑native or digital domains. Why Join Infosys: Working at Infosys provides a structured career roadmap, exposure to global clients, and access to world‑class learning platforms. Freshers benefit from mentorship programs, a collaborative culture, and the chance to work on high‑impact projects that shape industry standards.