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Work

Eighteen shipped products since 2019, for teams in Nigeria, the US, Canada, the UK and Dubai.

These contracts ran at the same time. The lanes show the overlap.

Showing 18 of 20 projects.

  1. RightNowMD

    — PRESENT · Lead Mobile Engineer · TutuTech · Remote, US

    Telemedicine app in React Native + Expo: four booking paths, VSee video visits and live nurse tracking. Plus DOKITA, an AI medical assistant on Claude.

    ⇄ concurrent with JIFU360 +3

  2. Sinimax

    — · Lead Mobile Engineer · Abuja, NG · Engagement paused by clientStreaming app architected from scratch in React Native, TypeScript and NativeWind: cross-platform video, store-compliant billing, component system.
    Five Sinimax screens: a personalised home rail of Nollywood classics with a genre filter; a watch-together sheet for joining a room by invite code; a CrossWatch player where two viewers chat alongside the film; a plan picker billed against phone credit; and search, with popular titles across the continent.
    • Architected the app from scratch on a component system: Expo, TypeScript and NativeWind.
    • Built a cross-platform video player with platform-specific fullscreen — native AVPlayerViewController on iOS, a manual absolute-overlay approach on Android — resolving sync and callback edge cases.
    • Shipped a consumption-only subscription and billing flow compliant with both stores.
    • Set up Zustand (persist) for global state and TanStack Query for server state with cache invalidation and optimistic updates.

    React Native · Expo · TypeScript · NativeWind · Firebase · SuperTokens · Zustand · TanStack Query · Reanimated · Gesture Handler

    ⇄ concurrent with JIFU360 +4

  3. JIFU360

    — · Lead Mobile Engineer · Dubai, UAE · Live

    Trading education platform: live Dolby Millicast streaming with native iOS PiP and MT4/MT5 broker connectivity. Plus PubNub chat and a full course academy.

    ⇄ concurrent with RightNowMD +6

  4. Leadership News

    — · Lead Mobile Engineer · Leadership Newspaper · Nigeria · Live

    The official Leadership Newspaper app: the full paper on a phone, with Gemini reading aids and seven locales including Igbo, Hausa and Yoruba.

    ⇄ concurrent with Sinimax +5

  5. Lenbi

    — · Lead Mobile Engineer · Remote, CA · Live

    Peer-to-peer equipment rental marketplace: Stripe Connect payouts and Stripe Identity verification. Real-time chat and location search with availability.

    ⇄ concurrent with RightNowMD +6

  6. Nexaflex

    — · Lead Mobile Engineer · Live

    A crypto-native finance app: multi-chain wallet, USD virtual card, Nigerian bill payments and ticketing. All behind a security layer built for coercion.

    ⇄ concurrent with JIFU360 +4

  7. OneWallet MFB

    — · Lead Mobile Engineer · Abuja, NG · Live

    Mobile banking for a microfinance bank: wallet, transfers, contactless QR payments and biometric 2FA. Taken from nothing to live on both stores.

    ⇄ concurrent with RightNowMD +6

  8. UWA

    — · Lead Mobile Engineer · Uwa · Nigeria · Live

    Nigeria's marketplace for skilled and unskilled labour: the full employment lifecycle for employers and workers in one React Native binary.

    ⇄ concurrent with RightNowMD +6

  9. EvriCent

    — · Lead Mobile EngineerAI-powered spending and repayment system with Plaid bank and card linking and Stripe subscriptions. Led with a team of designers and a backend developer.
    • Integrated the Plaid SDK for bank and credit-card linking.
    • Built subscriptions on the Stripe SDK.
    • Shipped Apple and Google social auth, push notifications and in-app messaging.
    • Led mobile with a team of designers and a backend developer.

    React Native CLI · TypeScript · React Query · Plaid · Stripe · Reanimated

    ⇄ concurrent with Gateway Edu

  10. Delta Digital

    — · Lead Mobile EngineerCrypto trading app with live Binance price tickers, a Python trading bot and RevenueCat subscriptions. Designed in Figma, built pixel-perfect.
    15%
    Codebase reduction — via reusable components
    • Wired the Binance price-ticker API for live crypto prices.
    • Built a trading-bot feature in Python.
    • Designed the full app UI in Figma and translated it to pixel-perfect React Native.
    • Shipped Apple in-app purchase and subscriptions via RevenueCat.

    React Native · TypeScript · Redux · React Query · RevenueCat · Python · Figma

    ⇄ concurrent with Gateway Edu

  11. 2022 — SIX concurrent engagements

    1. Gateway Edu

      — · Head of Mobile · NG / UK
      4
      Months to both stores
      • Set the scalable architecture on React Native + React Navigation as head of mobile.
      • Built Google, Apple and Facebook OAuth, and React Query caching over REST.
      • Shipped a gaming adventure system awarding points on completion, and Web3 gaming integrated with a team of game character designers.
      • Built the interactive community system — create communities, post, like, comment, block, leave.
      • Wired Firebase Cloud Messaging push and AppsFlyer analytics and attribution.

      React Native · React Navigation · React Query · Firebase Cloud Messaging · AppsFlyer · Web3

    2. PortsConnect

      — · Lead Mobile Engineer
      Three PortsConnect screens: a role picker offering a personal account that books appointments or an organisation account that approves and declines them; a login screen; and a home screen with an appointment-booking entry point above the day's appointment, showing the staff member and time slot.
      3,000+
      Businesses onboarded — within months of the chat release
      • Built the v2.0 real-time business↔customer chat on Socket.IO.
      • Shipped a subscription tier that opened more features and created revenue.
      • Frontend engineer in a team of four, across mobile and web; shipped to both stores via EAS.

      React Native · React.js · Redux · React Query · Socket.IO · TypeScript · EAS

    3. Brace Finance

      — · Engineering Lead
      20%
      Crash rate cut — on low-end Android
      • Interpreted complex Figma UI into React Native, using Skia for the virtual-card UI.
      • Built an identity architecture verifying every user via live images, facial recognition, biometrics and government-issued ID.
      • Integrated Sentry and optimised API calls, cutting the crash rate 20% on low-end Android.
      • Mentored junior and mid-level engineers and grew the team; shipped via EAS.

      React Native · TypeScript · Skia · Sentry · EAS

    4. BluetanksEV

      — · Lead Mobile Engineer · United States · Live

    5. Sumotrust

      — · Lead Full-Stack Engineer

    6. Truzact

      — · Full-Stack Engineer · Nigeria
      1,000
      Users added in two weeks — by the crowdfunding release
      • Designed the UI in Figma from user research and built it on React Native (Expo managed), Redux and TypeScript.
      • Powered a live price ticker across 80+ assets on CoinGecko infrastructure.
      • Built a crowdfunding/donation system for raising money from family and friends.
      • Wrote custom wallet-address authentication with regex rather than pulling an npm package; cached server state with React Query and client state with Redux Toolkit.

      React Native · Expo · TypeScript · Redux Toolkit · React Query · CoinGecko API · Chakra UI

  12. CheckNCommit

    — · Full-Stack Engineer
    • Sole engineer on the platform: businesses register on a membership plan, customers who dealt with them offline leave ratings from free accounts.
    • Built the frontend in React.js (class components) with Redux.
    • Built the backend on Firebase Cloud Functions with Node.js and Express; designed the UI in Adobe XD.

    React.js · Redux · Firebase Cloud Functions · Node.js · Express · Adobe XD

    ⇄ concurrent with Crowdfacture

  13. Crowdfacture

    — · Full-Stack Engineer
    • Designed the hi-fi interface in Figma.
    • Built the web app in React.js + Redux and the iOS/Android app in React Native (Expo) + Redux.
    • Published to both stores.

    React.js · React Native · Expo · Redux · Figma

    ⇄ concurrent with Truzact +1

Work — Ace Orji