Sai Kiran Tejaswara

Data Analyst with 4+ years of experience delivering analytics, ETL, BI reporting, and data-driven insights across finance, telecom, and marketing domains. Skilled in transforming raw, multi-source data into analytics-ready datasets using SQL, Python, Spark, AWS (S3, Redshift, Athena, Glue, EMR), and Azure (Databricks, Data Lake, Azure ML). Strong in building dashboards using Tableau and Power BI to track KPIs, campaign performance, sales trends, and customer behavior. Experienced in designing ETL pipelines across MySQL, PostgreSQL, MongoDB, and DynamoDB, and automating data workflows in cloud environments. Hands-on with feature engineering, PCA, clustering, and predictive modeling using scikit-learn and Spark ML. Adept at statistical analysis with R, experimentation (A/B testing), data mining, and building customer segmentation solutions. Collaborative, detail-oriented analyst with strong communication skills, delivering insights that support product, marketing, and business strategy.