Full-stack engineer building web and mobile products for early-stage startups. Based in Nigeria, working with international teams.https://gr1ntch.vercel.app/https://gr1ntch.vercel.app/projects/the-gap-between-works-and-feels/https://gr1ntch.vercel.app/projects/the-gap-between-works-and-feels/I rebuilt GoClub's step tracking screen in React Native and Reanimated to answer that question in code. Here's what I found.Sun, 24 May 2026 00:00:00 GMThttps://gr1ntch.vercel.app/projects/validating-multiplayer-before-building/https://gr1ntch.vercel.app/projects/validating-multiplayer-before-building/Before writing a single line of game logic for a real-time multiplayer mobile project, I built a test. Here's how I validated boardgame.io across separate devices on different networks.Sun, 10 May 2026 00:00:00 GMThttps://gr1ntch.vercel.app/projects/your-app-feels-broken/https://gr1ntch.vercel.app/projects/your-app-feels-broken/I reviewed two live apps from founders recently. Different industries, different teams, same problem. Here's what I found.Fri, 01 May 2026 00:00:00 GMThttps://gr1ntch.vercel.app/projects/cosmos-wars/https://gr1ntch.vercel.app/projects/cosmos-wars/A physical-digital hybrid collectible game where NFC-embedded metal coins unlock characters in a mobile battle arena. Built across the full stack -- game engine, multiplayer server, animation layer, NFC integration.Wed, 01 Apr 2026 00:00:00 GMThttps://gr1ntch.vercel.app/projects/goclub-ui/https://gr1ntch.vercel.app/projects/goclub-ui/A personal UI study rebuilding GoClub's step tracking screen in React Native and Reanimated. The same screen, the same data -- with every transition and state that most teams leave static made to move.Wed, 18 Mar 2026 00:00:00 GMThttps://gr1ntch.vercel.app/projects/betabridge/https://gr1ntch.vercel.app/projects/betabridge/Agency website built and fully rebuilt across two engagements. Led a 3-person team. Design handoff to live deployment in 3 weeks, 90+ Lighthouse across all pages.Sat, 31 Jan 2026 00:00:00 GMThttps://gr1ntch.vercel.app/projects/ayris-beauty-machine/https://gr1ntch.vercel.app/projects/ayris-beauty-machine/Content management and publishing platform for literary, artistic, and cultural materials. Built for a Belgian client with full auth, SSR, content categorization, search, and Row Level Security.Sat, 10 Jan 2026 00:00:00 GMThttps://gr1ntch.vercel.app/projects/verza/https://gr1ntch.vercel.app/projects/verza/KYC and identity verification mobile app with a Web3 payment layer. Built the complete mobile experience from onboarding to transaction confirmation.Wed, 31 Dec 2025 00:00:00 GMThttps://gr1ntch.vercel.app/projects/penxchain/https://gr1ntch.vercel.app/projects/penxchain/Crypto wallet MVP for Android and iOS. Live prices, market charts, real-time portfolio tracking. Modular architecture built for multi-chain extension.Sun, 30 Nov 2025 00:00:00 GMThttps://gr1ntch.vercel.app/projects/seak-ride/https://gr1ntch.vercel.app/projects/seak-ride/Full rider-side experience for a ride-hailing app -- onboarding, auth, real-time map flow, multi-state bottom sheet, and ride history for Android and iOS.Fri, 31 Oct 2025 00:00:00 GMThttps://gr1ntch.vercel.app/projects/cura/https://gr1ntch.vercel.app/projects/cura/Financial literacy app for student entrepreneurs. Placed 2nd out of 15 teams at NACOS CSCON Hackathon 2025.Wed, 18 Jun 2025 00:00:00 GMT