Hi, I am

Harmik Lathiya

Full Stack Developer | React.js, Next.js, Node.js, TypeScript

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Work Experience

Trissino AI logo - Founding Software EngineerTrissino AI

Founding Software Engineer

June 2025 - Present

Remote

Architected and shipped an AI-powered SaaS platform 0 to 1 across full-stack web (Next.js, tRPC) and a serverless backend on AWS Lambda and SQS.

Engineered fault-tolerant, event-driven pipelines that unify 6 call-recording providers and process 8–10K calls per month with an idempotent, retry-safe design.

Built and owned 14+ third-party integrations (HubSpot, Salesforce, Slack, Teams, Zoom, Gong, and more), making integrations a core sales driver and growing active accounts 2.5x.

Led HubSpot and Salesforce CRM integration with AI-based field mapping and automated sync, cutting manual data entry by 40–50% and saving reps nearly 5 hours/week.

Designed an AI-powered battle-card engine with edit-preservation and version tracking, cutting content-prep time by up to 50% and delivering competitive insights 3x faster.

Built role-based access control (RBAC) and a multi-tier subscription, plan, and payment system with feature-gating and billing, enabling a self-serve revenue channel.

Improved performance with lazy-loading, code-splitting, and Redis caching, cutting initial page-load time by 45%.

Designed a custom Connector platform that lets users link their own MCP connectors and feed personal and company data into the product for trusted, context-aware AI results.

QBack logo - Founding Software Engineer (0→1 Product)QBack

Founding Software Engineer (0→1 Product)

Jan 2024 - May 2025

Bangalore, India

Built an AI-powered SaaS platform from scratch (0→1), reaching 100+ users, converting Figma designs into a fully functional product.

Built a full authentication system using Next.js, JWT, and Node.js.

Implemented content capture and scraping features across G2, LinkedIn, and Reddit, letting users collect and save insights instantly and cutting manual research by 8+ hours per week.

Engineered a Chrome Extension browser tool that captured critical webpage data, improving user workflow efficiency by 40%.

Orchestrated a content-to-PDF export system, enabling users to download structured summaries and captured data.

Integrated Sentry for error monitoring and real-time issue tracking, improving system reliability and user experience.

UpWork (Freelance) logo - Full Stack DeveloperUpWork (Freelance)

Full Stack Developer

Aug 2022 - Dec 2023

Remote

Built a custom E-commerce jewelry store that allows users to customize products (rings, chains) and pay securely via Razorpay.

Developed a Telemedicine app for booking doctor appointments, managing prescriptions, and video consultations.

Boosted website speed by 80% using image optimization and faster loading techniques.

Fixed 30+ bugs and reviewed code to ensure high-quality software, maintaining 100% client satisfaction.

Sattvam Soft logo - Full Stack DeveloperSattvam Soft

Full Stack Developer

July 2021 - June 2022

Surat, India

Built scalable APIs processing 300K+ records per cycle, improving load time from 3 minutes to 1 minute (3x faster).

Designed a reusable component architecture in React and backend services using Node.js.

Created REST APIs to sync data smoothly between mobile apps and the website.

Lathiya Solutions logo - Web Developer InternLathiya Solutions

Web Developer Intern

Jan 2021 - June 2021

Surat, Gujarat

Built backend APIs using Node.js and MongoDB for web applications.

Updated older code to modern ES6+ JavaScript, making it easier to maintain.

Fixed UI/UX bugs and improved the overall user experience.

Technical Skills

I use modern tools and technologies to build fast, responsive, and user-friendly web applications.

Programming Languages

logo-JavaScript

JavaScript

logo-TypeScript

TypeScript

logo-C++

C++

Frontend Development

logo-Next.js

Next.js

logo-React.js

React.js

logo-Tailwind CSS

Tailwind CSS

logo-Shadcn UI

Shadcn UI

logo-Redux Toolkit

Redux Toolkit

logo-React Query

React Query

logo-Material UI

Material UI

logo-HTML

HTML

logo-CSS

CSS

Backend Development

logo-Node.js

Node.js

logo-Express.js

Express.js

logo-tRPC

tRPC

logo-RabbitMQ

RabbitMQ

logo-Socket.io

Socket.io

logo-Zod

Zod

Databases & ORMs

logo-MongoDB

MongoDB

logo-PostgreSQL

PostgreSQL

logo-MySQL

MySQL

logo-Redis

Redis

logo-Prisma

Prisma

logo-Drizzle ORM

Drizzle ORM

logo-SQLite / Turso

SQLite / Turso

AI & Automation

logo-OpenAI API

OpenAI API

logo-Gemini API

Gemini API

logo-Claude API

Claude API

logo-MCP

MCP

logo-Puppeteer

Puppeteer

Cloud & DevOps

logo-AWS (Lambda, SQS, S3)

AWS (Lambda, SQS, S3)

logo-Docker

Docker

logo-Vercel

Vercel

logo-Git

Git

logo-GitHub

GitHub

logo-Ubuntu

Ubuntu

Tools & Services

logo-Stripe

Stripe

logo-Clerk

Clerk

logo-Sentry

Sentry

logo-Postman

Postman

Nontechnical Skills

logo-Problem Solving

Problem Solving

logo-Collaboration

Collaboration

logo-Analytical Skills

Analytical Skills

My Projects

Here are some of my recent projects. I build web apps, Chrome extensions, and full-stack applications using React, Next.js, and Node.js.

project-Scraper Flow

Scraper Flow

Private
Screenshot of Scraper Flow

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A web scraping platform with user authentication, payment processing, and modern UI built using Next.js and TypeScript.

Next.jsTypescriptTailwind CSSShadcnPrismaClerkStripe
project-Chrome Extension

Chrome Extension

Public
Screenshot of Chrome Extension

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A Chrome extension to capture any webpage or reviews like G2, LinkedIn, Reddit. and save it to your account.

React.jsJavascriptChrome Extension
project-E-learning (LMS)

E-learning (LMS)

Public
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Learning Management System with real-time features, course management, and payment integration.

Next.jsReduxNode.jsStripeMongodbRedisWebSocket
project-CodeReviewAI

CodeReviewAI

Public
Screenshot of CodeReviewAI

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AI platform that reviews GitHub pull requests automatically — webhooks queue background Inngest jobs that analyze the diff, post inline comments, and score risk on a dashboard.

Next.jsTypeScripttRPCPrismaPostgreSQLInngestOpenAIBetter Auth
project-API Monitoring System

API Monitoring System

Public
Screenshot of API Monitoring System

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Event-driven API hit tracking platform — a RabbitMQ-buffered ingest service with a circuit breaker, a consumer writing to MongoDB + PostgreSQL, and a real-time analytics dashboard.

Node.jsExpress.jsRabbitMQMongoDBPostgreSQLDockerReact.jsJWT
project-Miki Jewel

Miki Jewel

Private
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E-commerce platform for jewelry with product management and shopping cart functionality.

React.jsAntdMaterial-uiNode.jsMongoDB
project-Finder

Finder

Public
Screenshot of Finder

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Networking platform with user profiles and connection management built using MERN stack.

React.jsNode.jsExpress.jsMongoDB
project-Flipmart (E-commerce)

Flipmart (E-commerce)

Private
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E-commerce platform with product management and shopping cart functionality using PHP and MySQL.

PHPMySQLHTMLCSSJavaScript
project-AI Resumes Builder

AI Resumes Builder

Public
Screenshot of AI Resumes Builder

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AI-powered resume builder with multiple templates and real-time preview using Gemini AI.

Next.jsTypeScriptTailwind CSSGemini AIDrizzle ORMRTK
project-Online Shopping (Multi Vendor)

Online Shopping (Multi Vendor)

Public
Screenshot of Online Shopping (Multi Vendor)

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Multi-vendor e-commerce platform with product catalogs and vendor management using MERN stack.

React.jsTailwind CSSMaterial UIReduxNode.jsExpress.jsMongoDB

Contact Me

Have a project idea? Let's work together.