Jeyamaruthi Jayakumar
Salt lake cit,United States
Summary
Organized and dependable candidate successful at managing multiple priorities with a positive attitude. Willingness to take on added responsibilities to meet team goals.
Overview
8
8
years of professional experience
Work History
Data Engineer III
Zions Bancorporation
04.2024 - Current
- Developed and implemented many Splunk queries to identify and troubleshoot issues, improving data pipeline reliability by 25%.
- Leveraged DBeaver to analyze, design, and update 1,000+ records within DB2 for MDM.
- Analyzed and resolved bugs across transaction data from multiple sources to the master database using Splunk.
- Orchestrated 10 catch-up loads saving manual work weekly. Improved efficiency by 30% using Control-M job scheduling.
Data Engineer
MarketDial Inc
07.2021 - 02.2024
- Profcient in SQL with a focus on BigQuery, experienced in data modeling, schema design, and optimization techniques.
- Optimized the client onboarding process, seamlessly integrating 52+ weeks of client data and reducing setup time by 20%, resulting in a more e cient and time-saving onboarding experience.
- Collaborated with the DevOps team, achieving a 25% reduction in ETL costs through resource optimization.
- Partnered with Data Scientists to address speci c client needs, establish new KPIs, and resolve data issues, achieving a 95% client satisfaction rate.
- Identi ed and addressed performance bottlenecks, enhancing overall system e ciency. Successfully mitigated over 90% of identi ed performance issues, resulting in a more robust and reliable system.
Senior System Engineer
Infosys
08.2016 - 06.2019
- Automated Purchase order analysis during data segregation, slashing deployment time from 15 days to a remarkable 2 days.
- Played a pivotal role in the project owing to unparalleled technical expertise and client-speci c knowledge.
Education
M.S. in Computer Science -
University of Texas at Arlington
05.2021
Skills
- Database Management: Database Indexing, Query Performance Tuning (BigQuery, SQL, PostgreSQL)
- ETL Processes: Data Extraction Strategies Transformation Techniques , Loading Best Practices (BigQuery, SQL, Python, PostgreSQL)
- Scripting and Automation: Python Scripting for Data Operations, Workflow Automation with Python
- Containerization and Orchestration: Docker Containerization, Kubernetes Orchestration
- Adaptability: Rapid Learning of New Technologies, Technology Stack Adaptation
- Data Modeling: Star Schema Design, Snowflake Schema Optimization
- Data Engineering: Warehousing, Integration, Architecture, Migration, Lake, Modeling, Quality Management, Cataloging, Streaming, Governance
Personal Information
Title: Data Engineer
Timeline
Data Engineer III
Zions Bancorporation
04.2024 - Current
Data Engineer
MarketDial Inc
07.2021 - 02.2024
Senior System Engineer
Infosys
08.2016 - 06.2019
M.S. in Computer Science -
University of Texas at Arlington
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