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Isha Prajapati

@ishaprajapati1

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Data Scientist at Tata Consultancy Services who cut risk identification time by 60% using machine learning and GenAI.

India

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At Tata Consultancy Services, I built machine learning, NLP, and Generative AI solutions using customer data, reducing risk identification time by 60%. I also developed scalable ETL pipelines and cloud analytics workflows that accelerated processing by 70%.

I created Tableau and Power BI dashboards for healthcare pricing and business performance analysis, improving KPI visibility and stakeholder decision-making. I also helped automate reporting, reducing manual effort by up to 40%.

At Connect IOT, I built machine learning models to forecast water usage, reducing error metrics by 20%. My projects include a fraud detection model for 240K+ transactions and an HR policy assistant using RAG, LLMs, and Streamlit.

Experience

Work history, roles, and key accomplishments

Data Science Intern

Connect IOT

May 2025 - Aug 2025 (3 months)

Built ML models (RandomForest, XGBoost, LightGBM, Feed-forward DNN) to forecast water usage, improving prediction accuracy by reducing error metrics by 20%. Conducted feature engineering, time-series analysis, anomaly detection, and class-imbalance handling.

Machine Learning Random Forest XGBoost LightGBM deep neural networks Feature Engineering Time Series Analysis Anomaly Detection Python

System Engineer (Data Science, AI & Analytics)

Tata Consultancy Services

Jul 2022 - Jul 2024 (2 years)

Built and optimized machine learning, NLP, and Generative AI solutions using Python, SpaCy, AWS, and Snowflake, improving predictive performance and reducing risk identification time by 60%. Designed and managed scalable ETL pipelines and cloud-based analytics workflows, and developed interactive Tableau and Power BI dashboards for healthcare pricing and operational analysis.

Python Machine Learning NLP Generative AI SpaCy AWS Snowflake ETL Pipelines SQL Tableau Power BI Data Validation Report Automation Agile

Web Solutions Analyst

Kreartors Pvt Ltd.

Jul 2020 - Jul 2021 (1 year)

Collaborated with developers to design and build client websites, coordinated with 10+ clients to gather requirements, and managed hosting and domain control. Led client demos and presentations, achieving near 100% on-time project delivery.

Web Development Client Communication Requirements Gathering Project Management Hosting Domain Management Presentation Skills