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Achievements

Achievement: Pair Extraordinairex4Achievement: Pull Sharkx4Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault ContributorAchievement: Starstruck

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harryy2510/README.md

Hariom Sharma

Technical Lead - frontend-heavy full stack, production SaaS, and AI-assisted engineering

Website Blog LinkedIn

I build production systems from messy product ideas. Over the last decade I have shipped SaaS platforms, mobile apps, realtime products, payment systems, analytics pipelines, and internal tooling across companies like GrowthDay, Appointy, Google, and Telefonica.

At GrowthDay, I built most of the Next.js/React/TypeScript platform from scratch and helped scale it from 10K to 400K+ users while leading 15+ engineers. Earlier at Appointy, I worked on a 1M+ user scheduling SaaS, including React scheduling products for Google and Telefonica.

These days I spend a lot of time turning AI-assisted development into a real engineering workflow: repo rules, reusable skills, specialist agents, type checks, tests, and guardrails instead of one giant prompt.

10+ years shipping · 400K+ user platform scaled · 1M+ user scheduling SaaS · 15+ engineers led

Systems I've Built

  • GrowthDay - scaled a Next.js/React platform from 10K to 400K+ users
  • Appointy - helped build a 1M+ user scheduling SaaS on React
  • Google - shipped scheduling products through Appointy for fitness, spa, restaurant, and massage bookings
  • Telefonica - shipped room conference scheduling through Appointy

Open Source

  • dotagent - skills, agents, commands, and rules for AI coding agents
  • agent-toolkit - CLI for repo intelligence, checks, setup, and plugin distribution
  • web-smith - design-to-code tooling for Lighthouse-100 Astro sites
  • vibe-pilot - kanban autopilot for AI coding agents
  • OpenSymphony - WIP desktop control plane for GitHub/Linear-driven agent workflows
  • geocoded - Cloudflare Workers REST API for countries, states, cities, and IP geolocation

Stack

Frontend

React Next.js TypeScript TanStack Astro Tailwind React Native

Backend & Data

Node.js GraphQL PostgreSQL Supabase OpenSearch DynamoDB

Cloud, Delivery & Tooling

AWS Cloudflare Workers Docker GitHub Actions Bun Oxc

AI & Agent Workflows

Claude OpenAI Codex Gemini

Archived Projects
  • ngx-img - Angular image component experiments
  • dnd-editor - drag-and-drop editor prototype
  • rehttp - HTTP utility experiments

Popular repositories Loading

  1. ngx-img ngx-img Public archive

    Angular image upload component with cropping, compression, and validation

    HTML 27 20

  2. dnd-editor dnd-editor Public archive

    Drag-and-drop email and form builder for React

    TypeScript 2 3

  3. nestjs-libs nestjs-libs Public archive

    Relay-compliant GraphQL primitives for NestJS -- pagination, node IDs, mutations

    TypeScript 2 1

  4. ngx-libraries ngx-libraries Public archive

    Collection of 12 Angular component and utility libraries

    JavaScript 1 3

  5. geocoded geocoded Public

    Free geolocation REST API on Cloudflare Workers -- countries, states, cities, IP lookup

    TypeScript 1

  6. agent-toolkit agent-toolkit Public

    Rust 1