Sneha Selvakumar

Sneha Selvakumar

Data Science and AI
India
Marathi, Tamil, Hindi, English

About Me

Data Science professional with nearly 4 years of experience in analytics and applied machine learning, with growing focus on Generative AI and intelligent automation. Strong interest in Generative AI and intelligent auto…

Experience

Data Analyst

IPSOS
May 2022 - Present · 4 years 2 months

Worked with large-scale structured datasets to perform advanced data preprocessing, transformation, and validation for analytics and modeling use cases.
Explored opportunities for process automation using Python-based workflows.
Supported data-driven decision-making by presenting structured analytical findings to stakeholders.
Utilized SQL and Python to extract, manipulate, and analyze high-volume datasets for business insights.
Conducted exploratory data analysis (EDA) to identify trends, patterns, and anomalies influencing business decisions.
Applied statistical techniques including hypothesis testing and distribution analysis to validate data assumptions.
Engineered feature-ready datasets and data transformation workflows to support predictive modeling and advanced analytics initiatives.
Automated recurring analytical workflows using Python, improving operational efficiency.
Collaborated with cross-functional teams to translate business requirements into data-driven insights.

Data Analyst

IPSOS
May 2022 - Present · 4 years 2 months

Worked with large-scale structured datasets to perform advanced data preprocessing, transformation, and validation for analytics and modeling use cases., Explored opportunities for process automation using Python-based workflows., Supported data-driven decision-making by presenting structured analytical findings to stakeholders., Utilized SQL and Python to extract, manipulate, and analyze high-volume datasets for business insights., Conducted exploratory data analysis (EDA) to identify trends, patterns, and anomalies influencing business decisions., Applied statistical techniques including hypothesis testing and distribution analysis to validate data assumptions., Engineered feature-ready datasets and data transformation workflows to support predictive modeling and advanced analytics initiatives., Automated recurring analytical workflows using Python, improving operational efficiency., Collaborated with cross-functional teams to translate business requirements into data-driven insights.

Executive Post Graduate Program in Data Science & Artificial Intelligence

IIT Roorkee (Intellipaat) Certification and 1 year Internship
Jul 2025 - Jan 2026 · 6 months

Built end-to-end machine learning solutions from data preprocessing to model evaluation and inference pipeline development.
Compared different ML/NLP models to understand performance differences across use cases.
Designed and implemented ML models including Logistic Regression, Random Forest, K-Means, and Time Series forecasting.
Developed deep learning models using TensorFlow/Keras including LSTM-based sentiment analysis systems.
Built Retrieval-Augmented Generation (RAG) pipelines using LangChain, Hugging Face Transformers, Sentence-BERT, and ChromaDB.
Implemented similarity search using vector embeddings for context-aware conversational AI systems.
Evaluated models using performance metrics such as Accuracy, Precision, Recall, F1-score, and ROC-AUC.

Skills

Python Structured Query Language (SQL) Statistics A/B Testing Azure Keras Linear Algebra Logistic Regression NumPy TensorFlow Amazon Web Services (AWS) PowerBI Pandas Scikit-learn Linear Regression Decision Trees Random Forest K-Means Clustering Time Series Forecasting Model Evaluation Hyperparameter Tuning Cross-Validation Hugging Face Transformers BERT NLTK SpaCy RAG Architecture LangChain Prompt Engineering ChromaDB Sentence-BERT Probability Hypothesis Testing Azure AI services Gradio
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