Karthik Ramakrishnan
- Role
- Data Engineer at Walmart Global Tech
- Location
- Bellevue, WA, US
- LinkedIn followers
- 500 followers
About Karthik Ramakrishnan
As a Data Engineer at Walmart Global Tech, I build data pipelines to process petabytes of…
Experience
Data Engineer
Jun 2022 — Present
Data Engineer with the Shrink Avoidance (formerly Asset Protection) team of the Store Vision Services organization under Omni Tech. Built data pipelines to process PBs of Transaction data to help with AI model tuning Created Airflow jobs to generate daily and weekly reports for business Helped tune queries used by Data Analysts to improve query performance by over 40% and reducing report generation time Reengineered the data model to have a single point of reference for all reporting needs. Designed and developed the Data API to consolidate data into meaningful hierarchical structure to help with faster querying and ease of reference.
Skills
- Microsoft Excel
- Computer Security
- Powerpoint
- Html
- Javascript
- Computer Science
- Linux
- Git
- Machine Learning
- C
- Distributed Systems
- Programming
- Databases
- Data Analysis
- Apache Spark
- Apache Pig
- Data Science
- Teaching
- Teamwork
- Shell Scripting
- Big Data
- Software Development
- Information Security
- Algorithms
- R
- Social Media
- Volunteering
- Sql
- Hadoop
- Operating Systems
- Team Leadership
- Cassandra
- Hive
- Microsoft Word
- Web Development
- Python
- Blogging
- Sun Certified Java Programmer
- Statistical Data Analysis
- Etl
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