Agentic AI Microservice – Production System at Techkhana (FastAPI + LangChain + AWS Bedrock)

Built a production Agentic AI microservice from scratch as the primary engineer at Techkhana, serving real clients over 360 working hours.

Key features built:

- Full service architecture designed and owned end-to-end

- FastAPI backend with clean layered architecture

- AWS Bedrock integration for cloud-based LLM capabilities

- Multi-agent orchestration pipelines using LangGraph

- RAG (Retrieval-Augmented Generation) systems with LangChain

- PostgreSQL for data persistence

- Deployed on AWS infrastructure

- Resolved real production challenges: performance bottlenecks, model inconsistencies

- Also contributed to Construction Management Platform backend (Node.js + PostgreSQL)

Officially certified by Techkhana CTO — 360 production hours.