Hey, I'm Gaurav Singh 👋

I'm a Mobile-First Full-Stack Developer with 3+ years of hands-on experience building production-grade apps using React Native, Expo, and Next.js. I operate at the intersection of mobile engineering, AI tooling, and security research — writing clean cross-platform code by day and hunting vulnerabilities by night.

const gaurav: Developer = {
  title:     "Mobile-First Full-Stack Developer",
  location:  "Noida, India 🇮🇳",
  focus:     ["React Native & Expo", "AI Tools & Apps", "Security Research"],

  experience: [
    { role: "Software Engineer",  company: "Geosparrow Innovations", period: "Aug 2025 – Mar 2026" },
    { role: "Software Engineer",  company: "Mercor",                  period: "May 2025 – Present"  },
    { role: "Freelance Developer",company: "Self-employed",           period: "2022 – Present"      },
  ],

  achievements: {
    vulnerabilities_found : "24+",
    hall_of_fame          : ["Apple Inc.", "Samsung", "SideFX"],
    companies_helped      : ["Samsung", "Apple", "Oppo"],
    hackathon_finalist    : "New India Vibrant Hackathon 2023",
  },

  building:  "Crossbuild UI — React Native/Expo component toolkit",
  funFact:   "Discovered 24+ CVEs in major tech companies while shipping mobile apps 🔐",
};

A production-ready UI toolkit designed to supercharge Expo development.

• ⚡ 24+ themeable, pixel-perfect UI components built with TypeScript
• 🛠 cbui-cli — instant Expo app scaffolding from the terminal
• 🌗 Dark / Light mode support out of the box
• 💎 Free & Premium component tiers
• 🧩 Built on modern React patterns & Expo SDK 53+

I build intelligent, mobile-first applications powered by modern LLMs and AI APIs. My current focus areas:

• AI-powered mobile apps — integrating OpenAI, Anthropic, and other LLM APIs into React Native
• Voice & multimodal interfaces — push-to-talk, transcription, real-time AI on device
• Agentic tools — building lightweight AI agents for productivity and automation
• AI security research — studying adversarial prompting and LLM attack surfaces

📦 Expo SDK 53+          — Latest features & APIs
🗂 Expo Router           — File-based navigation
🔨 EAS Build             — Cloud builds for iOS & Android
📡 Expo Updates          — OTA update delivery
🎞 React Native Reanimated — High-performance animations
🔣 Expo Vector Icons     — Comprehensive icon library
🧩 Crossbuild UI         — My own Expo component toolkit