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devadarshh/README.md

Hi 👋, I'm Adarsh Singh

🚀 Full Stack Engineer | AI + SaaS + Microservices | Open Source Contributor

🚀 About Me

  • 👨‍💻 Full Stack Developer specializing in MERN + AI + Microservices
  • 🔥 Contributed to production systems like Logto & Cal.com
  • 🌱 Currently exploring DevOps, AWS & distributed systems
  • 💼 Open to Full Stack / Frontend / Backend Engineer roles
  • 📫 Reach me at imadarshsingh2002@gmail.com

🧠 What I Build

I design and build production-ready systems, not just projects.

→ AI-powered platforms (RAG, LLM-based systems)
→ SaaS applications (multi-tenant, scalable)
→ Real-time collaborative systems
→ Microservices & event-driven architectures

⚡ TypeScript-first across the stack — from frontend to distributed backend systems


🔥 Open Source Contributions

RepoPRImpact
Logto#8638Built and shipped a complete MailJunky email connector → added production-ready email delivery integration with templates, i18n support, API validation, and testing
Logto#8651Improved Audit Log & Webhook filtering by adding search → better developer experience
Cal.com#23964Fixed RTL UI issue in phone input → improved global usability
Cal.com#28719Fixed localization bug (Russian) → ensured accurate multilingual booking flow

💬 Worked on production-grade systems used by real users worldwide


🚀 Featured Projects

Flashbot — AI-Powered SaaS Support Platform

📊 Metrics:

  • 👥 Multi-tenant SaaS architecture
  • ⚡ Sub-100ms support query targets
  • 🤖 AI-powered business knowledge assistant
  • 🔒 Strict tenant data isolation

🌐 Live Demo:https://flashbot.adarshsingh.xyz/

✨ Highlights:

  • 💬 Embeddable support widget for any website
  • 🤖 AI-powered customer support using RAG pipelines
  • 📊 Admin dashboard for conversations, analytics, and configuration
  • 🔐 Authentication and tenant management
  • 📄 Business knowledge ingestion from web content and documents
  • 🐳 Dockerized deployment with CI/CD automation
  • ⚡ Real-time chat experience with source-grounded responses

🛠 Tech:Next.js 15TypeScriptPostgreSQLDrizzle ORMGemini AIRAGTailwind CSSShadCN UI

🧠 NoteBot LM — AI Study Assistant

📊 Metrics:

  • 👥 100+ users tested
  • 📄 500+ PDFs processed
  • ⚡ Avg response time: <2s

🌐 Live Demo:https://notebotlm.xyz/auth/signin

✨ Highlights:

  • 📄 Upload PDFs → get source-grounded answers
  • 🧠 Quiz generation from learning material
  • ⚡ Fast semantic search using vector DB (Qdrant)

🛠 Tech:
Next.jstRPCPostgreSQLQdrantLangChainGemini


🏗️ Trelloid — Microservices SaaS Platform

📊 Metrics:

  • 👥 50+ users tested
  • 🏢 Multi-tenant architecture
  • ⚡ Scalable service-based backend

🌐 Live Demo:https://trelloid.adarshsingh.xyz/

✨ Highlights:

  • 🧩 Boards, lists, cards (Trello-style system)
  • 🔐 Role-based access control
  • 💳 Integrated billing system

🛠 Tech:
Next.jsExpressPostgreSQLPrismaStripeClerk


🎯 Landr — AI Job Prep Platform

📊 Metrics:

  • 👥 75+ users tested
  • 📄 Resume feedback system
  • 🤖 AI-based interview insights

🌐 Live Demo:https://www.landr.xyz/

✨ Highlights:

  • 🤖 AI interview practice
  • 📄 Resume feedback system
  • 📊 Performance insights

🛠 Tech:
Next.jsPostgreSQLDrizzleGemini APIClerk


✏️ Collabydraw — Real-time Whiteboard

📊 Metrics:

  • 👥 Real-time multi-user collaboration
  • ⚡ Low latency WebSocket sync
  • 🎨 Smooth drawing experience

🌐 Live Demo:https://collabydraw-web.vercel.app/

✨ Highlights:

  • 👥 Multi-user real-time collaboration
  • ⚡ Low-latency sync
  • 🎨 Smooth drawing experience

🛠 Tech:
Next.jsWebSocketsFabric.jsPostgreSQLTurborepo


🏗️ System Design & Architecture

  • ⚡ Microservices-based backend systems
  • 🔄 Event-driven architecture (Redis / queues)
  • 🧠 AI pipelines using RAG + vector databases
  • 📦 Scalable database design (PostgreSQL)
  • ☁️ Cloud-ready deployments (AWS, Docker)

🛠️ Core Stack

Frontend — Next.js · React · TypeScript · Tailwind CSS · ShadCN
Backend — Node.js · Express · Microservices · PostgreSQL · Redis · Docker
AI / ML — RAG · LangChain · Qdrant · OpenAI · Gemini
Cloud & Infra — AWS (EC2, S3) · Docker


📄 Resume & Portfolio


🤝 Let's Connect


Pinned Loading

  1. flashbotflashbotPublic

    About A lightning-fast, modern support widget and dashboard for SaaS businesses grounded in scraped business knowledge via a RAG pipeline. Strict tenant data isolation, sub-100ms query targets.

    TypeScript

  2. NoteBotLMNoteBotLMPublic

    AI-powered study assistant that generates quizzes from PDFs, provides RAG-based answers with source citations, and tracks learning progress.

    TypeScript 3 1

  3. trelloidtrelloidPublic

    Trelloid is a modern B2B SaaS project management platform for teams and organizations to collaborate, organize tasks, and manage workflows with boards, lists, and cards.

    TypeScript

  4. collabydrawcollabydrawPublic

    A real-time collaborative whiteboard for sketching diagrams and wireframes with a hand-drawn feel, perfect for teamwork and remote brainstorming.

    TypeScript 1

  5. landrlandrPublic

    Landr is an AI-powered job prep platform that helps candidates practice interviews, improve resumes, and get real-time feedback with personalized insights and progress tracking.

    TypeScript 1