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Details

About Me

I'm Bijay Das, a full-stack engineer focused on AI-driven software and real-world product delivery.

Experience

7+ Years

Primary Focus

AI + Full-Stack

Core Stack

Next.js, Python, PostgreSQL

Working Style

Automation + Product Engineering

Experience Highlights

Resume-based highlights from roles focused on Python backend systems, automation, cloud workflows, and production APIs.

TCS — IT Analyst (Jan 2022 - Present)

  • Built a patient-details chatbot using a RAG pipeline (including embeddings) that replaced manual information lookup with simple chat-based retrieval.
  • Automated migration of 100+ GB repositories from TeamForge to GitHub using Bash and Python.
  • Built Python automation for AWS EC2 Security Group creation and configuration.
  • Developed AWS Lambda + API Gateway APIs for S3 bucket cleanup workflows.
  • Automated SQL-based weekly performance reporting, saving around 10 hours per week.

Ameyo — Python Developer (Aug 2020 - Jan 2022)

  • Built Rasa-based voice bot workflows used for automated outbound customer calling.
  • Led a 3-member team to deliver an internal reporting portal using Node.js + React.
  • Delivered feature improvements and third-party integrations across active products.

Earlier Roles — Software Engineer

  • Built secure Laravel APIs used by 200+ employees daily across mobile apps.
  • Implemented scalable REST APIs and contributed to monolith-to-microservices migration.
  • Maintained and modernized legacy PHP systems with improved code quality and reliability.

Tech I Work With

Technologies I am comfortable with in production work across AI, backend systems, and full-stack delivery.

Languages

  • TypeScript
  • JavaScript
  • Python
  • SQL

Frameworks & Backend

  • Next.js
  • React
  • FastAPI
  • Node.js
  • REST APIs

Databases

  • PostgreSQL
  • MongoDB
  • Redis
  • MySQL
  • Prisma ORM

Cloud Services

  • AWS (EC2, S3, RDS, Lambda, API Gateway)
  • Vercel
  • Serverless Deployments
  • Cron/Scheduled Jobs

AI / Tooling

  • OpenAI
  • Claude
  • Gemini
  • LangChain
  • LangSmith
  • RAG
  • Embeddings
  • ChromaDB

Dev Workflow

  • GitHub Actions
  • Jenkins
  • Sentry
  • Postman
  • pnpm
  • Docker
  • Linux