Karan Mavadiya — Full-Stack Engineer

Projects

Things I've built and shipped — B2B SaaS, AI tools, and a few experiments along the way. Each one has a story, a stack, and a live link.

  • AiLeadz

    B2B lead-gen — 250M+ contacts, AI scoring.

    AiLeadz preview

    Live B2B lead-gen SaaS with 250M+ verified contacts, AI lead scoring, automated cold-email campaigns, and real-time analytics. Featured on 47+ platforms (4.9/5). Built end-to-end as sole engineer.

    Next.jsTypeScriptFastAPIPostgreSQLSupabaseOpenAITailwind
  • MaterialMate

    AI construction estimator with vision models.

    MaterialMate preview

    AI construction estimator with Qwen2.5-VL vision, an AS/NZS 3500 plumbing rules engine, and a PostgreSQL SKU matcher — ~10–15% accuracy delta vs licensed plumber benchmarks.

    PythonFastAPINext.jsSupabasePostgreSQLOpenRouterQwen2.5-VL
  • MyClassGPT

    LLM EdTech with RAG — answers in <1.5s.

    MyClassGPT preview

    LLM-driven EdTech for NEP-aligned, region-specific learning in India. Designed the RAG pipeline that serves contextual answers with citations in under 1.5 seconds.

    Next.jsTypeScriptOpenAIRAGVector SearchSupabase
  • SwiftUI

    100+ React/Next.js components with motion.

    SwiftUI preview

    100+ production-ready React/Next.js components with dark/light theming, WCAG accessibility, tree-shaking, plus GSAP and Framer Motion for micro-animations and page transitions.

    Next.jsTypeScriptTailwindFramer MotionGSAPshadcn/ui
  • Dr.Job

    Job portal connecting seekers and employers.

    Dr.Job preview

    Job portal connecting seekers with employers — listings, applications, and recruitment flows with auth and a polished UI.

    Next.jsTypeScriptNextAuthshadcn/uiFramer MotionImageKit
  • Resumind

    AI resume analyzer and dynamic CV builder.

    Resumind preview

    AI-powered resume analyzer and dynamic CV builder — review, feedback, and interactive editing to help people ship stronger applications.

    Node.jsExpressMongoDBJavaScriptRegex
  • SmartNotes

    Realtime notes with GPT summaries & search.

    SmartNotes preview

    Collaborative note-taking with realtime multi-user editing, GPT summarization, vector semantic search, and hierarchical tags — powered by Convex as a reactive backend.

    Next.jsTypeScriptConvexOpenAITailwind
  • NoteForge

    Dev-focused notes for snippets and workflows.

    NoteForge preview

    Note-taking for developers — document code, save snippets, and organize technical knowledge with a clean interface for search and reference.

    ReactViteCSS
  • Klimate

    Weather app with a coffee-shop retro vibe.

    Klimate preview

    Modern weather app with realtime updates and a futuristic / coffee-shop retro visual language — interactive menu, informative and a little playful.

    ReactTailwindFramer Motion
  • LightSaaS

    SaaS landing with 3D carousel & music.

    LightSaaS preview

    Visually engaging SaaS landing with an interactive 3D carousel for images and video, plus an integrated music player for a more immersive first impression.

    Next.jsCSS 3DSoundCloud APIVercel