Gaurav Kumar
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GitHub Activity

Tech Stack

01Language
TypeScript iconTypeScriptJavaScript iconJavaScriptPython iconPythonC++ iconC++
02Frontend
HTML iconHTMLCSS iconCSSReact iconReactNext.js iconNext.jsTailwind CSS iconTailwind CSSShadCN UI iconShadCN UIVite iconVite
03Backend & Database
Node.js iconNode.jsExpress.js iconExpress.jsMongoDB iconMongoDBPrisma iconPrismaPostgreSQL iconPostgreSQLSocket.io iconSocket.ioRedis iconRedistRPC icontRPCCloudFlare iconCloudFlareFirebase iconFirebaseSupabase iconSupabase
04Workflow & Tools
GitHub iconGitHubCursor iconCursorChatGPT iconChatGPTClaude iconClaudeVS Code iconVS CodeGit iconGitVercel iconVercelNetlify iconNetlifyPostman iconPostmanLinux iconLinuxDocker iconDocker
05Other Skills
RAG PipelineAI IntegrationAI AutomationDeploymentSEOAuth IntegrationDomain & EmailPaymentsRate LimitingInngest

Experience

WidgIq

  • Architected and launched WidgIq solo: an embeddable AI support widget (one script tag, 11+ platform integrations) built on Next.js, tRPC, Drizzle, and Neon Postgres.
  • Engineered a hybrid RAG pipeline (pgvector + keyword search, Voyage reranking, SHA-256 dedup) with Standard, Smart, and Advanced agentic modes, streaming multilingual answers in real time.
  • Built a lightweight Preact widget SDK with dashboard-driven, zero-redeploy customization.
  • Shipped credit-based billing with Dodo Payments webhooks, plus Inngest-powered weekly AI analytics and thumbs-down feedback functionality to fill knowledge gaps.
  • Secured the platform with origin-bound HMAC session tokens and Upstash Redis rate limiting.
  • Next.js
  • Better Auth
  • RAG Pipeline
  • TypeScript
  • Docker
  • tRPC
  • Google Cloud
  • React
  • Tailwind CSS
  • Node.js
  • Project Management
  • Preact
  • pgvector
  • Neon
  • Inngest
  • Drizzle ORM
  • Vercel
  • Porkbun
  • Dodo Payments
  • Redis
  • Upstash
  • SEO
  • Founded WidgIq, a B2B SaaS platform enabling businesses to embed AI-powered customer support layer for any website via a single script tag.
  • Sole decision-maker across product, engineering, design, and go-to-market strategy.
  • Business Ownership
  • Business Law
  • Business Tax
  • Business Strategy
  • Business Development
  • Product Management
  • Project Management
  • Marketing
  • Sales

Freelance

  • Built and deployed modern full-stack web applications.
  • Integrated AI Features, APIs, databases, and authentication systems.
  • Optimized application performance, scalability, and user experience.
  • Next.js
  • Strapi
  • Better Auth
  • TypeScript
  • Docker
  • tRPC
  • Google Cloud
  • React
  • Tailwind CSS
  • Node.js
  • Project Management
  • socket.io
  • WebRTC
  • RAG Pipeline
  • pgvector
  • Inngest

Open Source

  • Contributed to open-source full-stack web applications and developer tools.
  • Developed new features, fixed bugs, and improved application performance.
  • Collaborated with maintainers and contributors through pull requests and code reviews.
  • Worked with modern web technologies, APIs, databases, and authentication systems.
  • Improved code quality, documentation, and overall user experience.
  • Next.js
  • Better Auth
  • TypeScript
  • Docker
  • tRPC
  • Google Cloud
  • React
  • Tailwind CSS
  • Node.js
  • Project Management
  • socket.io
  • WebRTC
  • RAG Pipeline
  • pgvector
  • Inngest

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