Mainframe Developer

Infosys typically conducts a three‑stage interview process: an online aptitude and coding test, followed by a technical interview focusing on mainframe concepts like COBOL, CICS, and DB2, and finally an HR round assessing communication and cultural fit. The difficulty is moderate for freshers, with emphasis on logical reasoning and clear articulation of solutions. Practice coding on mainframe simulators and review core concepts to boost confidence.

Infosys promotes a learning‑first culture with regular up‑skilling sessions, mentorship programs, and a collaborative environment. Employees enjoy flexible work arrangements, a focus on work‑life balance, and clear pathways for career advancement across technology and management tracks.

Bachelor of Engineering, Bachelor of Technology, Bachelor of Science, Bachelor of Computer Applications, Master of Technology, Master of Science, Master of Computer Applications. Minimum aggregate 60% (or CGPA 6.0/10). No active backlogs at the time of joining. Open to graduates of the 2025, 2026, or 2027 batches, but freshers with any recent batch are encouraged to apply.

Round 1: Online assessment (aptitude + coding) → Round 2: Technical interview (mainframe concepts, problem solving) → Round 3: HR interview (fitment, communication, career goals)

Infosys Limited, founded in 1981, is one of India’s largest IT services firms with a global presence across 50+ countries. The company is known for its strong focus on digital transformation, consulting, and engineering services, serving clients in banking, retail, manufacturing, and many other sectors. Infosys has consistently been ranked among the top employers in India for its commitment to learning, employee development, and a culture that encourages innovation. The firm’s work‑culture emphasizes continuous up‑skilling through its flagship learning platform, Lex, and offers a clear career progression path for fresh talent. The role of a Mainframe Developer at Infosys is designed for recent engineering graduates who are eager to dive into the world of enterprise‑grade computing. As a Mainframe Developer, you will be part of the Application Development and Maintenance service line, working on mission‑critical applications that power large financial institutions and government bodies. You will collaborate with senior architects, business analysts, and offshore teams to design, code, test, and support high‑volume transaction processing systems on IBM Z platforms. Key responsibilities include: 1. Analyzing user requirements and translating them into functional mainframe specifications. 2. Designing, building, and maintaining reusable COBOL, PL/1, and JCL code modules. 3. Implementing CICS transaction flows and integrating with DB2 databases. 4. Identifying performance bottlenecks, debugging issues, and recommending optimal solutions. 5. Participating in code reviews and adhering to coding standards and best practices. 6. Contributing to agile ceremonies, sprint planning, and daily stand‑ups. 7. Creating and maintaining database schemas that align with business processes. 8. Developing automated test scripts and unit tests using IBM Rational tools. 9. Communicating progress and challenges effectively with remote and on‑site teams. 10. Supporting production deployments and providing post‑go‑live support across multiple environments. Technical stack: IBM Z mainframe, COBOL (VS COBOL II), PL/1, CICS, JCL, DB2, IBM Rational suite (IDz, RDz, RBD, RTC), Agile tools, and basic object‑oriented concepts. The role also offers exposure to modern DevOps practices on legacy platforms, making it a unique blend of traditional and contemporary IT skills. Growth path: Freshers start as Junior Mainframe Developers, progress to Senior Developer within 2‑3 years, and can move into Technical Lead, Solution Architect, or Project Manager roles. Infosys also encourages cross‑skill mobility, allowing developers to transition into cloud, AI, or data analytics tracks after gaining core expertise. Why join Infosys? The company provides a structured onboarding program, mentorship from industry veterans, and a robust learning ecosystem. You will work on high‑impact projects that shape critical business operations, gain exposure to global best practices, and enjoy a supportive environment that values work‑life balance and continuous growth.