Bhavna Sinha

About Bhavna Sinha

I am a Senior Data Scientist with expertise in forecasting, machine learning, NLP, and causal inference, leveraging AI to drive business impact. My experience spans MLOps, recommendation engines, AI-powered assistants, and supply chain optimization, delivering measurable improvements in efficiency, revenue, and customer engagement.I thrive in cross-functional teams, collaborating with business, product, and engineering stakeholders to develop scalable data science solutions. My technical expertise includes Python, AWS Sagemaker, Hugging Face, LangChain, XGBoost, Prophet, and MLFlow, allowing me to build, deploy, and monitor machine learning models at scale. Key Highlights: Forecasting & MLOps: Developed and deployed time-series models using Prophet, improving labor planning by $129M YTD. Managed ML pipelines using MLFlow. AI-Powered Shopping Assistant: Prototyped a retrieval-augmented generation (RAG) based assistant, reducing hallucinations in responses via FAISS & LangChain for product recommendations. Causal Inference & Experimentation: Implemented synthetic control group methodology to measure the impact of store remodel programs on revenue. Supply Chain Optimization: Built an item-level cost estimation model (XGBoost) to optimize channel disposition, improving retail value recovery by $31.5M. Recommendation Systems: Designed a Market Basket Analysis (MBA) model, increasing sales by 4.1%(~$20M) through upsell recommendations. NLP for Sales & Personalization: Developed customer-matching solutions using TF-IDF, Jaro-Winkler, and clustering models for segmentation, improving targeted sales strategies.I am passionate about leveraging AI-driven insights to solve complex business challenges and continuously explore emerging technologies like LLMs, RAG, and cloud ML solutions.

Experience

1. Senior Data Scientist

   Brex

   Mar 2025 — Present · San Francisco, CA, US

Education

• Indiana University Bloomington

  Master's degree, Data Science

  2018 — 2019

• Kalinga Institute of Industrial Technology, Bhubaneswar

  Bachelor’s Degree, INFORMATION TECHNOLOGY

  2012 — 2016

Skills

• Communication
• Public Speaking
• Management
• Project Management
• Data Structures
• Presentation Skills
• Dbms
• C
• Programming
• Microsoft Office
• Html
• Microsoft Word
• Team Leadership
• Spring Mvc
• Oracle Database
• Research
• Android App Development
• Sql
• Linux
• Pl/Sql
• Microsoft Excel
• Powerpoint
• Core Java
• C++
• Javascript
• Teamwork