Jul 2025 – Present · 8 mos · Kolkata, West Bengal, India · Hybrid

Sep 2024 – Aug 2025 · 11 mos · Kolkata, West Bengal, India · Hybrid

• 1. Replaced Firebase with a Redis-based in-house solution on AWS EC2 (2 vCPUs), reducing location tracking costs by 60%; batched and stored data to S3 using Python and Boto3.
• 2. Built a real-time user activity tracker with Redis + Webdis, generating per-user Parquet files and automating daily analytics merges.
• 3. Led document parsing POCs using LlamaParse, Docling, and Qwen-VL to extract structured and semi-structured data.
• 4. Developed a dynamic vendor onboarding frontend using React, TypeScript, Formik, and Yup.
• 5. Created a document builder and extractor in C#, enabling document/template creation and extraction; exposed features to Python using pythonnet and integrated with a FastAPI backend and MongoDB.
• 6. Built RESTful APIs using FastAPI, integrating LLMs into document processing microservices.
• 7. Improved vector database performance via optimized document chunking strategies.
• 8. Performed model distillation using DistillKit, generating synthetic datasets for task-specific fine-tuning.