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Rahul Panchal
Senior Software Engineer
6+ years building scalable Node.js & NestJS systems, MERN stack applications, and Python-powered AI agents using LangChain, LangGraph, CrewAI, RAG pipelines, and LLM APIs. Based in India. Always shipping.
01. About
Innovative Senior Software Engineer with 6+ years of experience specializing in scalable Node.js and NestJS architectures. Expert in the MERN stack, Python AI services, and cloud-native solutions on AWS.
I bridge robust backend engineering with intelligent AI integration — building LLM-powered applications, RAG pipelines, and autonomous AI agents in Python with LangGraph, CrewAI, and LlamaIndex. Recognized for technical leadership, successfully migrating legacy systems to modern SaaS platforms and delivering 20+ production-ready enterprise solutions.
02. Experience
Senior Software Engineer
Codzgarage Infotech Pvt Ltd/* Mar 2023 — Present · Ahmedabad, Gujarat */
Lead developer architecting end-to-end web applications with NestJS and Node.js. Spearheaded AI integration using Gemini and OpenAI with LangChain & RAG pipelines. Designed AWS infrastructure and mentored junior developers in NestJS design patterns.
Freelance Full-Stack Developer
Self-Employed/* May 2020 — Feb 2023 · Remote */
Developed bespoke MERN stack applications for clients, migrating legacy PHP/monolithic systems to modular Node.js architectures. Built business automation pipelines using n8n and custom scripts to sync third-party APIs with PostgreSQL databases.
// education
B.Sc. Mathematics
Bundelkhand University, Jhansi/* 2018 – 2021 */03. Projects
all projects →Enterprise Cash Flow Management
Node.js • PostgreSQL • React.js • AWS • Mobile App
Transformed a manual Excel-based workflow into a secure web and mobile FinTech solution for a Dubai-based enterprise with multi-company support.
AI-Driven Marketing & CRM Platform
NestJS • Node.js • React.js • OpenAI API • n8n • AWS
Unified CRM and advertising platform that automates lead scoring and ad campaign optimization, boosting conversion rates by 35%.
AI CRM — Proposal Engine & Social Media Suite
NestJS • Next.js • TypeScript • PostgreSQL • pgvector • Redis • BullMQ • LangChain • OpenAI • Gemini • AWS • Docker • Stripe
All-in-one CRM with embedded LLM-powered proposal generation and a unified social media manager — publish, schedule, and reply across Twitter/X, LinkedIn, Facebook, and Instagram from a single dashboard.
04. Writing
all posts →n8n Workflows: Local Setup to Cross-Platform Deployment
A practical guide to running n8n locally, persisting workflows properly, and deploying production-grade instances on Docker, AWS, Railway, and Kubernetes — with queue mode, secrets, and CI for workflow versioning.
2026-05-13
12 min
→Understanding AI Chatbots and LLM Integration
Comprehensive guide to implementing AI chatbots using LLMs, vector databases, and proper prompt engineering.
2026-03-10
15 min
→05. Say Hello
Have a project in mind or want to discuss opportunities? Send me a message and I'll get back to you within 24–48h.