Initializing environment
Loading modules
Establishing connections
Ready

0%

AI products.Production ready.

Full Stack Software Engineer | AI Systems Engineer

Full Stack Software Engineer with 4+ years of experience building production web applications, enterprise financial platforms, AI-powered automation systems, and scalable backend services. Reduced dashboard execution time by 83%, backend memory consumption by 62%, built 25+ production APIs, and engineered systems processing over 1M financial records daily. Delivered 70+ client projects, automated 70% of manual lead qualification through AI workflows integrating 27 third-party APIs.

AI AgentsLLM AppsRAG SystemsWorkflow AutomationReactNext.jsNode.jsFastAPITypeScriptPostgreSQLDockerAWS
Harsh Shah
IIT MadrasSoftware Developer INemX InfotechAI & LLM EngineerFull StackIIT MadrasSoftware Developer INemX InfotechAI & LLM EngineerFull Stack

01 / About

A blend of engineering & education.

Software Developer I at NemX Infotech, building enterprise financial platforms and scalable backend services using C#, ASP.NET, React, and PostgreSQL. Redesigned database queries to cut dashboard execution time by 83% (5 min to under 50 sec) for systems processing over 1M financial records daily, and reduced backend memory consumption by 62% (32 GB to 12 GB) through optimization and refactoring.

Alongside my full-time role, I am pursuing a B.Sc. in Data Science from IIT Madras (CGPA 8.73), where I mentor 60+ students as a Python Buddy and build AI-powered solutions using LangChain, OpenAI/Claude APIs, RAG pipelines, and agentic workflows.

Languages

JavaScript, TypeScript, Python, SQL, C#

Frontend

React, Next.js, TypeScript, Tailwind CSS, GSAP, Framer Motion

Backend

Node.js, Express.js, FastAPI, Flask, REST APIs, JWT, OAuth

Databases

PostgreSQL, MongoDB, MySQL, Firebase

AI & ML

OpenAI, Gemini, Claude, LangChain, LangGraph, RAG, AI Agents

DevOps

Git, GitHub Actions, Docker, Linux, Postman, Vercel

02 / Career

Professional Experience

Jun 2025 – Present

Software Developer I

NemX Infotech • Surat, Gujarat, India

  • Reduced dashboard execution time by 83% (5 mins to <50 secs) by redesigning PostgreSQL queries using batching, temporary views, and caching for systems processing over 1M financial records daily.
  • Reduced backend memory consumption by 62% (32 GB to 12 GB) through database optimization and backend refactoring.
  • Designed and deployed 17+ REST APIs, 5 payment integrations (Stripe/Razorpay), and 5 JWT/OAuth auth services.
  • Built CI/CD pipelines using GitHub Actions and custom Bash scripts, automating deployments across production servers.
  • Diagnosed and resolved multiple production incidents, improving platform reliability for over 100 banking entities.

Jan 2020 – Present

Full Stack Software Engineer

Freelance • Remote

  • Delivered 70+ production web applications, dashboards, and automation platforms for 50+ clients.
  • Built scalable full-stack applications using React, Next.js, Express.js, PostgreSQL and MongoDB.
  • Managed projects from requirements gathering through architecture and deployment, yielding multiple repeat clients.
  • Integrated third-party APIs, payment gateways, and workflow automation into production applications.

Feb 2026 – Present

Python Buddy (Teaching Assistant)

Indian Institute of Technology Madras • Remote

  • Mentored 60+ students across three batches through Python programming sessions and debugging support.
  • Guided students on software engineering fundamentals, clean coding practices and problem-solving.

03 / Selected Work

Featured Projects

HirePilot

AI Career Coach & Resume Platform

Live Project

HirePilot 2026

AI-powered ATS resume checker, personalized career coaching assistant, and AI-generated interview preparation quizzes.

Next.jsAI/LLM
View Live Project
Neurox AI

Neural Intelligence Platform

Live Project

Neurox AI 2026

Immersive cyberpunk-inspired UI/UX with real-time dashboard visualizations. Built with React, Tailwind CSS, and Framer Motion.

ReactFramer Motion
View Live Project
Velvet Pour

Premium Mojito Experience

Live Project

Velvet Pour 2026

Elegant product showcase with interactive menu and storytelling sections. Responsive design with smooth animations for a premium brand experience.

ReactNext.jsFramer Motion
View Live Project

AI & Automation

NDA

AI Lead Generation System 2025

End-to-end agentic pipeline: lead sourcing, LLM data cleaning, CRM integration, and WhatsApp/Email outreach automation. Reduced manual operations effort by ~80%.

PythonLangChainFastAPI
Proprietary Project

CRM & Dashboard

NDA

Custom CRM & Invoice System 2025

Business management platform for customers, orders, invoices, and workflow tracking. Designed relational Postgres schema and REST APIs with role-based auth.

Node.jsPostgreSQLReact
Proprietary Project
Snapgram Platform

Full Stack Social Media

Live Project

Snapgram Platform 2024

Full-stack MERN social media app with user auth, media uploads, social feeds, and scalable backend APIs.

ReactNode.jsMongoDB
View Live Project
SoundByte Music Streaming

Music Streaming App

Live Project

SoundByte Music Streaming 2024

Spotify alternative with zero-friction onboarding. Built performant streaming playback and responsive UX using React and Firebase.

ReactFirebaseREST APIs
View Live Project
Personal Blog Site

Content Platform

Live Project

Personal Blog Site 2024

A personal blog for sharing knowledge on web development, AI, and technology. Built with modern web technologies for optimal reading experience.

Next.jsMDXTailwind CSS
View Live Project

Data Analytics & ML

NDA

Business Data Analytics System 2024

End-to-end data analytics pipeline for a textile wholesaler. Applied regression models for demand forecasting and query-optimized reporting.

PythonScikit-learnSQL
Proprietary Project

Backend Automation Services

NDA

AI Workflow Automation Tool 2024

Modular backend automation services with LLM-assisted workflow orchestration. Implemented structured exception handling and pre-execution verification logic.

PythonC#FastAPI
Proprietary Project
Sumz - The AI Summariser

AI Startup Landing Page

Live Project

Sumz - The AI Summariser 2022

AI-powered application with serverless API routes and LLM response integration. Increased traffic by 25% and UX metrics by 15%.

Next.jsOpenAI APITailwind CSS
View Live Project

04 / Contact

Let's build something amazing.

I'm currently available for Remote, Contract, and Full-Time opportunities.