Rajib Das
AI Engineer | Ex-Deloitte, Professional experiences in Software Development, Data Engineering, ML, and MLOps.
- Role
- Gen Ai Engineer at Pos Upgrades, Inc
- Location
- Buffalo, NY, US
- LinkedIn followers
- 500 followers
About Rajib Das
With over four years of experience as a Machine Learning & AI Engineer, I specialize in…
Experience
Gen Ai Engineer
Aug 2024 — Present · Rochester, NY, US
Built multi-agent security system using CrewAI to parse, analyze and approve user requests, detecting anomalous requests with 95% accuracy.2. Built an end-to-end conversational chatbot using LangGraph reasoning agents, and LLAMA3, allowing 5+ restaurants to query menus, orders, and sales insights via natural language with responses in under 5 seconds.3. Deployed scalable LLM application using FastAPI with LangGraph persistent memory, enabling concurrent, multi-session, and personalized user interactions.4. Conducted comprehensive evaluations of RAG pipelines and agents using openeval by developing extensive test cases based on predefined prompt-response pairs.5. Developed a query routing system using agentic RAG and vector search to better understand restaurant-specific queries, improving relevance and accuracy of responses.
Education
Scaler
PG, Data science
Udacity
Nanodegree, Data Science
2020 — 2020
University at Buffalo
Master's degree, Computer Science
Odisha University of Technology and Research
Bachelor of Technology - BTech
2015 — 2019
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