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Hi, I’m

HardiMehta

Senior Software Engineer

I build web applications end to end — the interface, the API, and the infrastructure underneath. Five years with React, Node.js and the MERN stack, and the AI features that increasingly live inside them.

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About

Who I am.

5+ years experienceAhmedabad, Gujarat, India

Career vision

Five years building and scaling production web applications on React, Node.js and the MERN stack — multi-tenant SaaS platforms, e-commerce systems, RESTful APIs, third-party integrations and the AWS infrastructure underneath. I drive architecture decisions, review the work that ships, and mentor the engineers around me. I also build AI into products where it earns its place — LLM tool-calling, retrieval and agent loops — as part of the same stack rather than a separate specialism.

Quick facts

  • Clean, maintainable code the next person can change safely
  • Comfortable across the stack — React through Node to AWS
  • Mentor junior engineers and run technical interviews
  • Drive architecture decisions and review what ships
  • Build AI features into products where they earn their place
  • Open to contract, freelance and full-time work
Services

What I can do for you.

What I get hired for.

  • Full-stack development

    React and Next.js front ends on Node.js services, built end to end.

  • Responsive design

    Interfaces that hold up from a phone in one hand to a wide desktop.

  • Website maintenance

    Keeping a live product patched, dependable and safe to change.

  • Performance optimization

    Finding what makes a page slow under real traffic, and fixing it.

  • Agentic AI integration

    LLM tool-calling, RAG and multi-step agents that do real work in a product.

  • APIs & integrations

    REST APIs and the third-party services that hang off them, built to last.

Tech stack

Technologies I work with.

Eleven areas, filtered however you want to read them.

  • AI & Automation

    6 tech
    • LLM Integration
    • AI Agents (ReAct)
    • RAG (Qdrant)
    • Prompt Engineering
    • OpenAI / Claude / Grok APIs
    • Workflow Automation

  • Frontend

    8 tech
    • React.js
    • Next.js
    • HTML
    • CSS
    • Tailwind CSS
    • Material UI
    • Bootstrap
    • Chakra UI

  • Backend

    2 tech
    • Node.js
    • Express.js

  • Databases

    3 tech
    • MySQL
    • MSSQL
    • MongoDB

  • Languages

    3 tech
    • JavaScript
    • TypeScript
    • PHP

  • Cloud & DevOps

    7 tech
    • AWS EC2
    • S3
    • Lambda
    • API Gateway
    • Cognito
    • SNS
    • SES

  • Architecture

    3 tech
    • Microservices
    • REST APIs
    • System Design

  • APIs

    2 tech
    • RESTful APIs
    • Third-party integrations

  • Authentication

    2 tech
    • JWT
    • OAuth
Experience

Five years, four companies.

Ownership of core modules, architecture decisions, and the systems other people build on.

  1. Feb 2024 — Sep 2026Ahmedabad, India

    AppVentory

    formerly Coachbar

    Senior Software Engineer

    Architected the redesign of Clara, AppVentory's in-product AI assistant, from a rigid fixed pipeline into an agentic, tool-calling system (ReAct architecture) using LLM function-calling, RAG (Qdrant), Node.js and Redis

    Software Engineer

    Owned end-to-end architecture and delivery of a multi-tenant SaaS platform built from the ground up using the MERN stack, within a broader system that also included Java-based services

  2. Jan 2021 — Jan 2024Ahmedabad, India

    AutoDAP

    A Gateway Group Company

    Engineer — Software Developer

    Contributed to the design and development of an e-commerce platform managing 5M+ product records, optimized using MySQL

    Project Trainee

    Built full-stack applications using JavaScript, React, Node.js, and PostgreSQL

  3. Apr 2020 — May 2020Vadodara, India

    Navpad Infotech

    Intern, Android Developer

    Developed an Android-based apartment management application for gated communities

  4. May 2019 — Jun 2019Bhavnagar, India

    Leeway Softech Private Limited

    Intern, Android Developer

    Built Android applications for educational and community-based use cases

Full history
Selected work

Things I've built.

Open one for the full story.

Education

Where it started.

  • B.Tech in Information Technology

    CSPIT, Charusat University

    Aug 2018 — Jun 2021CGPA 9.33

  • Diploma in Information Technology

    Sir Bhavsinhji Polytechnic Institute, GTU

    Aug 2015 — Jul 2018CGPA 9.87

Contact

Let’s work together.

Open to full-time roles, contract and freelance work. Tell me what you need.