Summary
Overview
Work History
Education
Skills
Websites
Research Highlights
Timeline
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Chinmaya Samal

Summary

AI Engineer with 5+ years of experience building custom LLM tools, intelligent agents, RAG systems, and NLP solutions. Delivered production-grade AI products across healthcare, finance, and internal knowledge search. Skilled in turning real-world use cases into fast, scalable systems, including agent-based workflows with multi-step reasoning. Currently helping startups and teams ship AI MVPs with speed and clarity.

Overview

9
9
years of professional experience

Work History

Freelance AI/ML Developer (Remote)

Unwind Finance Inc.
San Francisco
01.2025 - 04.2025
  • Built a Private Data Q&A Platform to streamline reinsurance submission analysis using RAG-based architecture.
  • Parsed complex PDFs, DOCX, Excel files, and internal databases via custom pipelines to extract underwriting insights and reduce review time by 80%.
  • Developed a hybrid vector search + agent routing system using LangChain, LlamaIndex, and LangGraph, enabling precise answers from fragmented document sources.

Tools: LangChain, LlamaIndex, LangGraph, Qdrant, OpenAI, FastAPI, AWS

Freelance AI Engineer (Remote)

Talkdoc Inc.
San Francisco
10.2024 - 03.2025
  • Developed a Clinical Note Summarization System to automate post-appointment documentation for healthcare providers.
  • Used Whisper for speech transcription, OpenAI for summarization, and LangChain to generate structured SOAP notes.
  • Reduced documentation time by 70%, improved note consistency, and ensured HIPAA compliance for EMR workflows.
  • Delivered scalable APIs using FastAPI and deployed end-to-end on AWS.

Tools: OpenAI, Whisper, LangChain, Python, FastAPI, AWS

AI Engineer

Stealth startup
Amsterdam
02.2023 - 09.2024
  • Built a scalable AI platform to analyze 1M+ social posts/day across Twitter, Reddit, and financial news—linking sentiment to stocks and crypto tokens.
  • Used OpenAI for sentiment classification, Neo4j for entity graph mapping, and Qdrant for RAG-based insight retrieval.
  • Enabled graph-aware natural language queries, reducing research time by 80% and improving signal interpretability.
  • Designed a backtesting pipeline to validate sentiment signals against historical price trends, improving prediction accuracy.
  • Delivered a production-grade backend using FastAPI, Docker, and PostgreSQL, built to process terabytes of financial data in real time.

Tools: OpenAI, Neo4j, Qdrant, FastAPI, Docker, PostgreSQL

Backend & ML Engineer

Talkdoc Inc.
San Francisco
12.2020 - 03.2023
  • Core contributor to backend infrastructure supporting appointment workflows, clinician tools, and data pipelines.
  • Developed ML models for client–clinician matching, appointment optimization, and billing/claims assistance, leveraging BERT and Transformer-based architectures.
  • Built robust data pipelines to process and analyze large volumes of text, audio, and video data, ensuring reliable model performance across diverse formats.
  • Helped deliver the MVP and production rollout, integrating AI features into clinician workflows and admin automation.

Tools: Python, FastAPI, PostgreSQL, AWS, BERT, Transformers, Docker

Founder & CEO

Sheck Technologies
Bengaluru
11.2019 - 11.2020
  • Founded and led an AI-driven analytics platform to improve public transportation in India using real-time insights and predictive modeling.
  • Designed and built data pipelines to ingest and process GPS, fare, and schedule data; applied clustering and forecasting techniques to optimize route efficiency and passenger load distribution.
  • Delivered the MVP with a small team, conducted pilot tests with regional transit operators, and iterated based on field feedback.
  • Although shut down due to COVID and product-market fit challenges, the venture strengthened my product strategy, technical leadership, and applied ML execution.

Graduate Research Assistant

Vanderbilt University
Nashville
08.2016 - 07.2019
  • Led data engineering efforts for NSF-funded Smart Cities research, focusing on large-scale transportation analytics and AI-driven mobility solutions.
  • Designed and implemented robust data pipelines to process multi-terabyte transportation datasets from public transit, rail, and traffic sensor systems.
  • Contributed to models for traffic speed estimation, congestion response to incentives, and transit on-time performance optimization.
  • Developed predictive systems for freight train arrival time estimation across U.S. rail networks using spatiotemporal analysis and machine learning.
  • Published multiple peer-reviewed papers in top-tier transportation and urban analytics journals.

Tools: Python, SQL, ArcGIS, PyTorch, Tensorflow, PostgreSQL, Pandas, Scikit-learn

Education

Master of Science - Computer Science

Vanderbilt University
Nashville, TN
04-2019

B.Tech - Information Technology

Veer Surendra Sai University of Technology
Sambalpur, India
05-2016

Skills

  • AI & Machine Learning
  • Natural Language Processing (NLP)
  • LLM Integration (OpenAI, Claude, etc)
  • Data Pipeline Development
  • API & Backend Development (FastAPI, Python)
  • Cloud & DevOps (AWS, Docker)

Research Highlights

  • Time-Dependent Decentralized Routing Using Federated Learning- IEEE RTDS 2020. Designed a privacy-preserving routing system using federated learning across edge devices. Enhanced adaptive routing in real-time without centralized data sharing.
  • Data-Driven Prediction of Freight Train Arrivals on US Railroads- IEEE ITSC 2018. Built machine learning models to forecast freight train arrival times across national rail networks. Supported logistics and scheduling improvements for freight operators and agencies.
  • SpeedPro: Predictive Multi-Modal Urban Traffic Speed Estimation. IEEE SMARTCOMP 2017. Developed a real-time traffic speed prediction model using multimodal data streams. Improved transit planning with hybrid ML-based traffic analytics.

Timeline

Freelance AI/ML Developer (Remote)

Unwind Finance Inc.
01.2025 - 04.2025

Freelance AI Engineer (Remote)

Talkdoc Inc.
10.2024 - 03.2025

AI Engineer

Stealth startup
02.2023 - 09.2024

Backend & ML Engineer

Talkdoc Inc.
12.2020 - 03.2023

Founder & CEO

Sheck Technologies
11.2019 - 11.2020

Graduate Research Assistant

Vanderbilt University
08.2016 - 07.2019

Master of Science - Computer Science

Vanderbilt University

B.Tech - Information Technology

Veer Surendra Sai University of Technology
Chinmaya Samal