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Tejaswini Pallapothu

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Telangana, India

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Jobs verified_user 0% verified
  • HBO Max
    Data Scientist
    HBO Max
    Feb 2025 - Current (1 year 8 months)
    Developed scalable personalization & recommendation systems (Databricks, MLlib, scikit-learn) boosting engagement and conversions by 3-5% in pilot programs.Automated and optimized ETL/data pipelines (AWS Glue, Spark, SQL, Python) improving enterprise data processing efficiency by 20%.Delivered actionable dashboards & insights (Looker, Tableau, Power BI) enabling leadership to make faster, data-driven decisions.Designed and executed A/B tests & experiments (Databricks, SQL, Python) optimizing campaigns, UI/UX flows, and pricing strategies with measurable KPI gains.Applied advanced NLP (sentiment, text mining in Python) on reviews & support data to improve product and service quality.Built accurate forecasting models (ARIMA, Prophet in Databr
  • Fynd
    Data Scientist
    Fynd
    Apr 2022 - Aug 2023 (1 year 5 months)
    Designed and analyzed A/B tests & multivariate experiments (SQL, Python, Databricks) on UI layouts, pricing models, and search ranking, driving measurable lifts in conversion and retention KPIs.Built return/refund prediction models (scikit-learn, XGBoost) to identify high-risk orders, reducing reverse logistics costs and optimizing supply chain efficiency.Conducted customer behavior analytics (SQL, Snowflake, Looker) using funnel analysis, path modeling, and cohort studies, uncovering key drop-off points and increasing checkout completion rates.Developed dynamic pricing & promotion optimization models (Python, Databricks ML, Spark) to recommend discounts and bundles, improving revenue per customer and campaign ROI.Partnered with engineering
  • Sallie Mae
    Data Scientist
    Sallie Mae
    May 2014 - Oct 2024 (10 years 6 months)
    Built data imputation models (scikit-learn, Python, SQL) to fill missing income, employment, credit-bureau and application attributes, boosting risk model accuracy by 3-4%.Developed anomaly detection frameworks to catch transaction anomalies, identity inconsistencies, and application fraud signals, ensuring robust credit decisions and data integrity.Designed portfolio forecasting models (time series, regression, Prophet) to predict delinquencies, prepayments, and charge-offs for better reserves and funding planning.Applied unsupervised clustering to segment borrowers by risk, repayment behavior, product propensity, and cost reduction.Leveraged NLP models (text mining, sentiment analysis in Python) to structure unstructured call-center notes
Education verified_user 0% verified
  • Sastra University
    Bachelor's in Electronics and Communication Engineering
    Sastra University
    Thanjavur, India
  • N
    Master's in Data Science
    NJIT
    New Jersey, USA