Sachin Raj
Mainframe Developer at Cognizant | COBOL, JCL, VSAM, DB2 | Batch Processing | Data Integration & SQL
- Role
- Mainframe Developer at Cognizant
- Location
- Patna, BR, IN
- LinkedIn followers
- 500 followers
About Sachin Raj
Currently working as a Mainframe Developer at Cognizant, with hands-on experience in COBOL, JCL, VSAM, and DB2. Involved in batch processing and enterprise-level systems, focusing on writing efficient, reliable, and maintainable code.Previously worked with Python, SQL/MySQL, and ETL tools like Talend, which helped me build a strong foundation in data processing, transformation, and automation. This background allows me to understand both legacy systems and modern data workflows.I’m interested in understanding how large-scale systems operate, improving performance, and continuously strengthening my problem-solving skills. Looking forward to growing in the mainframe domain while contributing to real-world, business-critical applications.
Experience
Mainframe Developer
Feb 2026 — Present · Chennai, IN
Mainframe Developer at Cognizant, working with COBOL, JCL, VSAM and DB2. Gaining hands-on experience in batch processing and contributing to enterprise-level applications, while continuously strengthening my problem-solving skills.
Education
Patna Science College
Bca, Computer Science
2022 — 2025
Kendriya Vidyalaya
12th
2010 — 2022
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