Pachkawade

Ai Software Developer @s d fine-chem limited Official

Mumbai, IN

On-Premise Enterprise GenAI Platform• Architected and deployed an on-prem LLM inference stack using open-source models (LLaMA, Mistral) with HuggingFace Transformers and PyTorch, served via Docker on Linux.• Designed and implemented a production-grade Retrieval-Augmented Generation (RAG) system using LangChain and LangGraph, integrating SAP Business One structured data with large volumes of unstructured enterprise documents.• Built document ingestion, token-aware chunking, embedding, and semantic retrieval pipelines using Sentence Transformers and vector databases (FAISS, Qdrant, Milvus, Weaviate, ChromaDB).• Implemented prompt engineering, context orchestration, and retrieval optimization (top-k, metadata filtering, hybrid search) to improve response accuracy and reduce hallucinations.• Applied LoRA / PEFT fine-tuning with FastAPI-based inference APIs and RBAC-controlled access for domain-specific enterprise QA.ERP-Integrated B2B Commerce Platform (SAP B1)• Developed FastAPI-based backend services for order processing, inventory workflows, and secure business operations.• Built ERP integrations using SAP Business One Service Layer (OData APIs) and developed a modular SPA using Vue.js.• Implemented JWT authentication, RBAC, SQLAlchemy, Redis caching, and Dockerized deployments.Enterprise Automation & Internal Utility Systems• Built Python-based automation for HR and finance workflows using Pandas, Excel automation (OpenPyXL), Salesforce, Apex, and SOQL.• Designed rule-driven data pipelines to improve data consistency and reduce manual effort.Pricing & Quotation Intelligence Portal• Developed a pricing analytics and quotation system integrating SAP Business One data.• Built Pandas-based analytical pipelines over multi-year sales data to generate pricing insights and automated quotations.