Sai Charan Reddy Gankidi

Data Engineer

ADAA IT Solutions Private Limited•  April 2022 - December 2023•  Bengaluru, India

Designed Python (Pandas, NumPy) + SQL ETL pipelines orchestrated by Apache Airflow; automated ingest from 10 + APIs & CSV feeds. Loaded raw data into AWS Redshift and transformed it with dbt Core; query latency improved 65 %. Managed MySQL & PostgreSQL OLTP databases; scripted schema migrations under Git + GitHub Actions CI. Deployed serverless enrichment on AWS Lambda, integrated with S3 tiered storage; pipeline cost down 30 %. Implemented data-quality tests (Great Expectations) raising accuracy rate from 88 % → 99 %. Built Tableau & Power BI performance dashboards adopted by 3 departments, accelerating decision-making 20 %.