Infosys Hiring 2026: Mainframe Developer (Bangalore) | Ref: INFSYS-EXTERNAL-246126

Company :- Infosys Limited
Job Title :- Mainframe Developer
Job ID / Reference Code :- INFSYS-EXTERNAL-246126
Service Line :- Application Development and Maintenance
Work Experience :- 0 – 4 Years (Freshers to Junior Developers eligible)
Employment Type :- Full-Time
Location :- Bangalore, Karnataka, India

The Application Development and Maintenance (ADM) practice at Infosys manages core enterprise applications for global clients across banking, financial services, insurance, retail, and healthcare sectors.

As a Mainframe Developer, you will work on mission-critical legacy and modernized environments, ensuring system stability, building reusable software routines, optimizing batch job performance, and resolving production/development bottlenecks.

Core System Engineering & Maintenance

• Code Development: Analyze business requirements to design, build, test, and maintain robust mainframe code routines using COBOL, PL/1, CICS, and JCL.
• System Optimization: Identify performance bottlenecks, debug complex batch routines, and implement system solutions balancing custom development vs. standard fixes.
• Architecture & Database Integration: Design and maintain database schemas (DB2), writing routines to interact with embedded and external enterprise databases.

Quality Assurance & Agile Collaboration

• Automated Unit Testing: Execute unit testing frameworks and validation checks before deploying code to staging and production environments.
• Tool Deployment: Leverage modern developer workbenches, including IBM Rational tools (IDz, RDz, RBD, RTC) for modern mainframe code maintenance.
• Cross-Functional Communication: Collaborate with distributed global teams, troubleshoot cross-platform incidents, and support architectural alignment under Agile delivery methodologies.

Eligible Educational Degrees

• Bachelor of Engineering (B.E.) / Bachelor of Technology (B.Tech)
• Master of Engineering / Master of Technology (M.Tech)
• Bachelor of Computer Applications (BCA) / Master of Computer Applications (MCA)
• Bachelor of Science (B.Sc.) / Master of Science (M.Sc.)

Primary Technical Requirements

• Core Mainframe: COBOL, VS COBOL II, PL/1, CICS, JCL
• Database Management: IBM DB2, VSAM, SQL queries, schema creation
• Developer Tools: IBM Rational Tools suite (IBM Developer for z/OS – IDz, RDz, RBD, RTC)
• Methodologies & Concepts: Object-Oriented Design principles, Agile SDLC, architectural pattern awareness

Estimated Salary Expectations

For a Mainframe Developer (0 – 4 years experience) at Infosys Bangalore:

• Freshers / System Engineer (0–1 Year): ₹3,60,000 to ₹5,50,000 INR per annum.
• Experienced Lateral (2–4 Years): ₹6,00,000 to ₹9,50,000 INR per annum depending on skill rating and prior employer band.

1. Profile Shortlisting (Job ID: INFSYS-EXTERNAL-246126 - Qualification Check)
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2. Online Technical Assessment (Coding Logic, Mainframe Fundamentals & SQL)
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3. Technical Interview Round 1 (COBOL, JCL Statements, DB2 Queries & CICS Concepts)
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4. Technical / System Design Round 2 (Troubleshooting, VSAM, IBM Rational Tools & Project Discussion)
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5. HR Interview & Offer Discussion (Location, Relocation & Travel Flexibility)

• COBOL & VS COBOL II: File status codes, PERFORM vs EVALUATE constructs, copybooks, subprogram calls, and memory management.
• JCL (Job Control Language): JOB, EXEC, and DD statements, handling COND parameters, DISP parameter options, and PROC vs INCLUDE.
• DB2 & Database Operations: Cursor management, SQL error codes (e.g., -803, -904, -818), table joins, host variables, and dynamic vs static SQL.
• CICS & Mainframe Tools: Pseudoconversational design, mapsets, basic commands (EXEC CICS), and hands-on exposure to IBM IDz / RTC.

Core Technical Keywords

• Mainframe Developer
• VS COBOL II / COBOL / PL/1
• JCL (Job Control Language)
• CICS (Customer Information Control System)
• DB2 / VSAM / SQL Database Schema
• IBM Rational Tools (IDz, RDz, RTC)
• Substantive Testing & Code Optimization
• Agile SDLC & Unit Testing

• Cross-Functional Collaboration
• Production Support & Troubleshooting
• Flexibility to Travel
• System Architecture & Best Practices

1. What is the Reference Code to search this opening on Infosys Careers?

Search for INFSYS-EXTERNAL-246126 on the official Infosys careers portal.

2. Are 2024, 2025, and 2026 fresh graduates eligible to apply?

Yes, the role accepts applicants with 0 to 4 years of experience, making freshers with eligible degrees (BE/BTech/BCA/MCA/BSc/MSc) fully eligible.

3. Is travel required for this position?

The job description explicitly mentions a “high flexibility to travel” as an operational requirement.

4. Where is the work location?

The primary work location for this job posting is Bangalore, Karnataka, India.