Mainframe Developer

Infosys interviews typically consist of an online assessment followed by two technical rounds and an HR interview. The assessment tests aptitude, logical reasoning, and basic coding in languages like C or Java, while technical rounds focus on mainframe concepts, data structures, and problem‑solving. Candidates should practice COBOL basics, DB2 queries, and be ready to discuss projects. Clear communication and a structured approach to problem solving are key to success.

Infosys promotes a collaborative work culture with a strong emphasis on continuous learning and skill development. Employees benefit from flexible work arrangements, mentorship programs, and clear career progression pathways, ensuring a balanced professional and personal life.

Graduates with a Bachelor of Engineering, Bachelor of Technology, Bachelor of Science, Bachelor of Computer Applications, Master of Technology, Master of Science, or Master of Computer Applications. Minimum aggregate of 60% (or CGPA 6.0/10) in the qualifying degree. No active backlogs at the time of joining. Candidates from the 2025 batch are preferred, but recent graduates up to 2026 are also considered.

Round 1: Online Assessment (coding and aptitude) → Round 2: Technical Interview (core mainframe concepts, problem solving) → Round 3: HR Interview (fitment, communication, career aspirations)

Infosys Limited, a global leader in consulting, technology, and outsourcing solutions, has been at the forefront of digital transformation for over four decades. Headquartered in Bangalore, the company serves more than 200 clients across 50+ countries, delivering end‑to‑end services that span cloud, AI, automation, and legacy system modernization. Infosys is renowned for its strong learning culture, robust mentorship programs, and a commitment to sustainability, making it a preferred destination for fresh engineering talent in India. The Mainframe Developer role is positioned within the Application Development and Maintenance service line, where the incumbent will work on mission‑critical legacy applications that power the core operations of large enterprises. As a fresher, you will be mentored by senior architects and will get hands‑on exposure to IBM mainframe environments, enabling you to bridge the gap between modern software practices and traditional mainframe technologies. This role offers a unique blend of learning opportunities, from understanding complex batch processing to implementing agile delivery models on legacy platforms. Key responsibilities include: 1. Analyzing user requirements and translating them into functional mainframe specifications. 2. Designing, coding, testing, and maintaining efficient COBOL, PL/1, and JCL programs. 3. Working with CICS and DB2 to develop transaction‑driven applications. 4. Identifying performance bottlenecks, debugging issues, and recommending optimization strategies. 5. Participating in daily stand‑ups, sprint planning, and retrospectives within an Agile framework. 6. Collaborating with cross‑functional teams to ensure seamless integration with modern front‑end services. 7. Creating and maintaining database schemas that align with business processes. 8. Implementing automated unit tests using IBM Rational tools and ensuring code quality. 9. Documenting design decisions, technical specifications, and support procedures. 10. Communicating progress and challenges effectively with remote and on‑site stakeholders. The technical stack revolves around Mainframe technologies such as COBOL (VS COBOL II), PL/1, JCL, CICS, DB2, and IBM Rational suite (IDz, RDz, RBD, RTC). Familiarity with object‑oriented concepts, Agile methodologies, and basic testing frameworks is also essential. Infosys offers a clear growth path: freshers start as Associate Developers, progress to Senior Developers, Technical Leads, and eventually Solution Architects or Project Managers, with regular performance reviews and upskilling opportunities. Why join Infosys? The company provides a structured learning ecosystem, exposure to global clients, and a supportive environment that encourages innovation. Fresh graduates gain real‑world experience on large‑scale systems while being part of a community that values continuous improvement and work‑life balance.