Sairam Reddy Yelaka

About Sairam Reddy Yelaka

Data Engineer with expertise in building scalable ETL pipelines using Python, PySpark…

Experience

1. Data Analyst Data Engineer

   Welkin Technologies Llc

   Sep 2024 — Present

   I transformed and preprocessed complex, unstructured datasets by applying data wrangling and cleaning techniques in Python, ensuring improved data quality and consistency for analytics. Utilizing Python and SQL, I evaluated, refined, and optimized data integrity, identifying and rectifying inconsistencies to enhance overall data processing efficiency. By analyzing log data and forecasting event occurrences using TensorFlow, I leveraged predictive modeling to enhance operational insights and enable proactive decision-making. I applied advanced machine learning algorithms, including Linear Regression, Decision Trees, Neural Networks, and Random Forests, to extract meaningful patterns and improve data-driven strategies. Additionally, I led the migration of data warehouses exceeding 5TB, including ETLs and stored procedures, to MySQL, optimizing database performance and ensuring seamless interoperability. I further optimized complex MySQL queries, leveraging algorithmic efficiency to enhance data retrieval speed. Integrating and automating data pipelines, I imported data from multiple sources and developed Power BI reports, improving accessibility and decision-making efficiency. Moreover, I designed and implemented a STAR schema for data marts, ensuring structured and scalable data modeling for business intelligence applications. To support strategic business growth, I conducted in-depth market research and competitor analysis, utilizing diverse data sources to drive actionable insights.