Khaja Shaik

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Data Analyst

Brex

Oct 2024 - Current (1 year 8 months)

• Managed cross-functional Agile projects on CLV modeling by coordinating sprint planning, backlog refinement, and iterative delivery while collaborating with marketing, product, and data science teams to drive data-driven growth strategies and KPI alignment. • Developed complex SQL queries using JOINs, CTEs, and Window Functions on AWS Athena, Redshift, and EMR to process large-scale Parquet and CSV datasets stored in S3, improving data transformation speed and analytical accuracy. • Created and deployed machine learning models with Python, XGBoost, and Random Forest in AWS SageMaker; worked closely on feature engineering, hyperparameter tuning, and monitoring to increase marketing ROI by 15% and reduce churn by 8%. • Designed and analyzed
Data Analyst

Cognizant Technology Solutions

Jan 2020 - Jul 2023 (3 years 7 months)

• Engineered scalable ETL pipelines using PySpark and Azure Data Factory, orchestrating ingestion of structured and unstructured data from diverse sources, which increased data refresh frequency and reporting availability by over 70% for key business units. • Collaborated with stakeholders and product owners to gather business requirements, define key performance indicators, and shape data models. Delivered insights that aligned with strategic goals and significantly increased satisfaction across multiple business units. • Wrote complex SQL queries and developed efficient data models in Snowflake and Azure Synapse. Reduced query execution time by 45% and supported large-scale analytics across departments with faster, more reliable data a

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