Rahul Murmu
Data Analyst at Wipro || Microsoft Azure 3x Certified || Informatica PowerCenter|| Snowflake || SQL || Power BI || Python
- Role
- Project Engineer at Wipro
- Location
- Kolkata, WB, IN
- LinkedIn followers
- 500 followers
About Rahul Murmu
Detail-Oriented Data Analyst with expertise in data analysis, statistical analysis…
Experience
Project Engineer
Apr 2022 — Present · Kolkata, IN
Data Analyst (USA Client)• Led Lift-and-Shift data migration of over 10 TB of data from Netezza to Snowflake,ensuring seamless data transfer and system integration with zero data loss.• Developed and optimized SQL code for data transformation and reporting,improving data processing efficiency by 25%.• Designed Informatica mappings and workflows, and monitored ETL jobs, increasingdata pipeline reliability and reducing processing time by 30%.• Rewrote legacy code in Snowflake, resulting in improved performance and 40%faster query execution.• Upgraded Informatica PowerCenter from version 10.2 to 10.5, optimizing ETLprocesses and reducing job failure rates by 20%.• Scheduled and managed 50+ ETL jobs using Control-M, ensuring a 98% on-time jobexecution rate.• Documented development changes, tracked progress using Excel, and utilizedBeyond Compare for version control, ensuring 100% version consistency.• Created 10+ data visualization reports from Snowflake data, providing actionableinsights and improving decision-making efficiency by 35%.
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