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Highly accomplished Senior Data Scientist with 6+ years of experience driving business impact through AI/ML solutions, statistical modeling, and data-driven decision-making. Proven track record of delivering production-grade models that generate millions in revenue and improve operational efficiency. Expertise in developing and deploying scalable, real-time anomaly detection, customer retention, and LLM models. Skilled in Python, R, SQL, and a range of ML frameworks, with a passion for staying at the forefront of AI research and innovation. Currently exploring the intersection of LLMs and audio models to create immersive, human-like conversational interfaces.
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Senior Data ScientistCvs HealthJacksonville, Fl, Us -
Senior Data ScientistCvs Health Jul 2022 - PresentWoonsocket, Ri, Us- Designed a scalable, real-time anomaly detection model using autoencoders to identify fraudulent coupons, with MLflow tracking and retraining to address drift.- Engineered a Retrieval-Augmented Generation (RAG) model with LangChain, integrating Snowflake and Faiss to enable SQL generation for non-technical users.- Led end-to-end deployment of a predictive survival model, reducing churn through weekly batch predictions and personalized email campaigns.- Built production-grade ensembled ML models for high-value customer acquisition, achieving sustained performance through quarterly retraining.- Developed a ranking algorithm based on purchase history, segmenting 200,000+ products to enable personalized recommendations.- Conducted deep-dive analyses on payment data, translating insights into actionable recommendations to improve payment success.- Designed A/B tests around ML models, defining strategies and refining campaigns with marketing teams, presenting insights to executives.- Applied causal inference to historical data, identifying trends and preferences, and evaluating vendor offers to secure future funding.- Led technical projects while mentoring junior team members, guiding them on code reviews, version control, and GenAI applications. -
Data ScientistBerkleynet (A Berkley Company) Apr 2019 - Jul 2022Manassas, Virginia, Us• Launched a machine learning model to estimate the optimal premium pricing for insurers which centralized the underwriting process that has been in practice for a decade and made a profit of over 380,000$ in two quarters.• Designed and deployed an end-to-end machine learning model to predict the size of an insurance claim. The direct result of the model is the 28% increment in the productivity of claim adjusters.• Explored the raw unstructured XML sheets using python’s XMLTree and ensembled Lightgbm and Catboost machine learning models to boost the accuracy from 74% to 81%.• Spearheaded the common ml framework to handle the process of launching an ML model with ease and packed it as public python package that can be accessed by 8 different sister companies.• Deployed the model using flask and created a pipeline to connect the guidewire for the real-time data to make predictions and demonstrated the model’s behavior to the VP and CEO visually.• Worked solely on Bi-directional Recurrent Neural Network (LSTM) model which involved using NLP techniques like tokenizing, lemmatizing, tf-idf vectorizing, Word2vec word embedding, and BERT embedding to solve the problem of classifying risk types which resulted in reducing the time customers spent on the page by 30%.• Centralized hundreds of different data collection requests by creating SQL scripts and embedding them into a python app which dramatically expedited the process. -
Graduate Research AssistantGeorge Mason University Aug 2018 - Feb 2019Fairfax, Virginia , Us• Developed a very user-friendly web application for non-tech federal employees using R shiny for the filtering, sorting, analyzing, and retrieval of federal agricultural data.• Data collected and aggregated data from multiple federal sources of data like NASS, WASDE, AMS etc into a single structured repository.• Built regression models using linear regression and support vector machines on high-dimensional data to predict product sales.• Created a classification model using the Xgboost algorithm that classifies the products as profitable or non-profitable with an accuracy of around 84 %.• Built a time series model using prophet that accurately estimates the projections of various food product's price change in the future and integrated it into the flask web application.
Sai Teja Skills
Sai Teja Education Details
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George Mason UniversityComputational Science -
Chaitanya Bharathi Institute Of TechnologyComputer Science
Frequently Asked Questions about Sai Teja
What company does Sai Teja work for?
Sai Teja works for Cvs Health
What is Sai Teja's role at the current company?
Sai Teja's current role is Senior Data Scientist.
What is Sai Teja's email address?
Sai Teja's email address is st****@****net.com
What schools did Sai Teja attend?
Sai Teja attended George Mason University, Chaitanya Bharathi Institute Of Technology.
What skills is Sai Teja known for?
Sai Teja has skills like Fortran, R, Deep Neural Networks, Data Science, Classification, C, Matlab, Data Analysis, Keras, Tensorflow, Image Analysis, Data Analytics.
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