▋./portfolio --boot

·available for work·India · Remote

Rahul Panchal

Senior Software Engineer

& Automation Consultant

6+ years building scalable Node.js & NestJS systems, MERN apps, and Python-powered AI agents with LangChain, LangGraph, CrewAI, RAG pipelines, and LLM APIs.
Now partnering with businesses to ship automation that cuts costs, kills repetitive work, and unlocks growth.

Start a project→$view work→services →

6+years shipping

20+production builds

~65%avg ops cost cut

01. About

Innovative Senior Software Engineer with 6+ years of experience specializing in scalable Node.js and NestJS architectures, distributed systems, and event-driven microservices. Expert in the MERN stack, Python AI services, and cloud-native engineering on AWS — designing resilient cloud infrastructure with Kubernetes, Terraform, serverless functions, and full CI/CD pipelines. Now operating independently as an automation consultant — partnering directly with businesses to ship systems that cut operational costs and eliminate the repetitive work that drains teams.

I bridge robust backend engineering with intelligent AI integration and production-grade cloud engineering — building LLM-powered applications, RAG pipelines, and autonomous AI agents in Python with LangGraph, CrewAI, and LlamaIndex on top of observable, infrastructure-as-code-driven deployments. Recognized for technical leadership, successfully migrating legacy systems to modern SaaS platforms and delivering 20+ production-ready enterprise solutions. Focused now on translating that engineering depth — system design, scalability, performance, observability — into measurable business outcomes: faster workflows, lower headcount strain, more time for the work that actually moves revenue.

NestJSNode.jsTypeScriptReact.jsNext.jsPythonFastAPIPostgreSQLMongoDBAWSDockerKubernetesTerraformServerlessCI/CDGitHub ActionsCloud InfrastructureCloud EngineeringInfrastructure as CodeDevOpsSystem DesignDistributed SystemsEvent-Driven ArchitectureMicroservicesAPI DesignObservabilityPerformance EngineeringScalabilityLangChainLangGraphCrewAILlamaIndexRAGOpenAI APIAnthropic ClaudeHugging FacepgvectorAI AgentsRedisn8n

02. Experience

Independent Automation Engineer

Self-Employed

/* May 2026 — Present · Remote · India */

Partnering directly with businesses to design and ship automation systems — AI agents, workflow pipelines, and integrations that cut operational costs, eliminate repetitive work, and free teams to focus on growth. End-to-end ownership from discovery to production.

Senior Software Engineer

Codzgarage Infotech Pvt Ltd

/* Mar 2023 — May 2026 · 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 →

[01]

Autonomous QA — AI-Driven Testing Automation Platform

→

Python • FastAPI • TypeScript • Node.js • Playwright • WebExtension API • LangGraph • LangChain • OpenAI • Anthropic Claude • PostgreSQL • Redis • AWS • Docker • GitHub Actions

A centralized testing platform for the AI-coding era: browser extension records visual flows, code SDK runs deterministic tests, and a LangGraph-driven AI healer auto-repairs selector drift and proposes fixes for real regressions.

[02]

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.

[03]

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.

04. Writing

all posts →

[01]AI Automation

How AI Automation Can Cut Support Resources by 70% — When You Build It Right

Most AI support deployments plateau at 20% deflection. The teams that actually hit a 70% reduction in support effort run all four layers — deflection, triage, copilot, bounded auto-resolution — gated by real evals and confidence thresholds. The architecture, the failure modes, and the honest math.

2026-05-14

13 min

→

[02]DevOps

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

→

[03]AI/ML