Rutvik Deshpande
Data Scientist @ Aetna, a CVS Health Company
About
I’m an AI Engineer with a Master’s in Data Science from Rutgers University and hands-on experience building end-to-end machine learning and Generative AI products. My work spans developing RESTful APIs, automated fine-tuning ecosystems (LoRA, PEFT), and intelligent ETL/data pipelines using tools like Airbyte and MongoDB. I’ve led impactful projects like an Interview Analysis platform using OpenAI + Deepgram, and a fine-tuning platform supporting Hugging Face and Lamini models. My background also includes cyber threat data modeling, real-time analytics, and publishing Alzheimer’s research using machine learning with missing data imputation. Passionate about solving real-world problems with AI, I bring a blend of software engineering, research, and deployment skills across NLP, RAG, LLMs, and MLOps.
United States
New York
Computer Software
Retrieval-Augmented Generation (RAG), AI Agents, API Development, Cyber Threat Intelligence (CTI), Systems Design, Artificial Intelligence (AI), AWS, Generative AI, Google Cloud Platform (GCP), Statistics, Data Analysis, Prompt Engineering, AWS SageMaker, Data Analytics, Large Language Models (LLM), Fine Tuning, Optical Character Recognition (OCR), Computer Vision, Natural Language Processing (NLP), Unsupervised Learning
Experience

Data Scientist
Newark, New Jersey, United States
• Built predictive models using Random Forest, Linear Regression, and Artificial Neural Networks to predict dementia risk in older African Americans, employing imputation methods (MICE, MissForest, MICEForest) to handle 65% missing data. • Published research papers as part of a $7.4 million NIH-funded grant, advancing machine learning methods for neurodegenerative disease prediction; presented findings at the Alzheimer’s Association International Conference (AAIC). • Engineered a Python-based ETL pipeline to automate REDCap data ingestion into MySQL, including database design, access control, and structured loading for 400+ patient records.

AI Engineer
New Jersey
• Developed a modular LoRA fine-tuning framework that reduced trainable parameters by 81%, enabling fine-tuning, deployment, and evaluation of 10+ seq2seq models across Hugging Face and Lamini for tasks such as summarization and classification. • Developed an automated data pipeline using Airbyte’s REST API and Python SDK to enable transfer of client data from any database to any destination (e.g., Google Cloud Storage, MongoDB), facilitating scalable data ingestion across the organization. • Built the core backend service that extracts defanged IOCs from unstructured sources (e.g., PDFs, blogs), maps them to MITRE ATT&CK tactics and techniques, and exposes this intelligence via REST APIs used by SOC analysts across client organizations.

Data Science Research Assistant
New Brunswick, New Jersey, United States
• Created a high level literature review on Open Data used in ML/AI by conducting research review on 20+ research papers • Improved resource and time management by predicting crime in Los Angeles by performing Statistical Analysis and fitting a Linear Regression Model on Crime Data • Fashioned Box Cox transformation on the non normal data • Devised hypothesis testing on various parameters to find the parameters for best fit

Data Science Intern
New York City Metropolitan Area
• Reduced query resolution time by designing a Slack RAG chatbot using LangChain and prompt engineering for query automation. • Optimized Slack chatbot performance by utilizing Arize AI for real-time model monitoring, performing anomaly detection and using CallbackManager for clusters with a drift score close to -1. • Fine-tuned T5 small model using LoRA (PEFT method) for text summarization, achieving a 69% increase in ROUGE Score.

Business Intelligence and Big Data Analyst
Pune, Maharashtra, India
• Reduced customer data retrieval time by 30 minutes per cycle by optimizing ETL processes in Ab Initio using parallel ingestion component. • Saved 6 hours of task processing per week by reorganizing and automating tasks in Ab Initio through Unix shell scripting. • Collaborated in developing an ETL database model on Ab Initio GDE to handle new procedures for customer complaints, processing over 3 million rows improving data processing efficiency.

Machine Learning Intern
Pune, Maharashtra, India
• Accomplished a 96.4% accuracy in predicting future clients by building and deploying a PyTorch-based deep learning model on AWS Beanstalk, resulting in a 40% reduction in marketing costs through targeted outreach. • Enhanced service recommendation system by utilizing K-Means and Hierarchical Clustering with 6000 attributes for marketing campaigns, resulting in cumulative marketing cost cuts by 40%.

R&D Data Science Intern
Sapas Telematics
Pune, Maharashtra, India
• Designed a real-time prediction model by integrating data from Telematics, surveys, web scraping and APIs into an Oracle database. • Improved journey planning by performing EDA on unstructured data and applying ARIMA for time-series forecasting.
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