Justine O. is an accomplished mobile engineer with a rich experience in developing and deploying mobile and web applications, particularly in eCommerce and fintech sectors. At MAKA, a video and social commerce platform, Justine excelled as a Founding Mobile Engineer by integrating video and eCommerce SDKs, which significantly enhanced user engagement and increased conversion rates by 40%. Justine's technological expertise includes Flutter, Firebase, AWS, and various analytics and integration tools such as AppsFlyer and… Show more

1. Founding Mobile Engineer

   MAKA (Video & social commerce marketplace & platform)Nov 2022 — Nov 2024

   • Develop and deploy mobile and web applications for a fashion & beauty marketplace: integrated video & eCommerce SDKs, troubleshoot and debug issues to ensure a seamless user experience.
   • Implemented Rewards and Video Reviews features, garnering over 1.5k reviews within three months and resulting in a 40% increase in checkout conversions and increased user engagement.
   • Developed Vendor Dashboard to improve order & inventory management, with robust notifications; dashboard reduced otder delays and boosted sales for vendors.
   • Revamped Sign-up, Cart, and Checkout features; integrated drop-off locations feature (for cheaper delivery fees) which reduced checkout dropoff for users in remote locations.
   • Migrated payment stack to Paystack to offer additional payment options; this significantly reduced failed payments.
   • Collaborated with the backend team to resolve network-related performance issues and reduce endpoint wait times.

   FlutterSentryAlgoliaAmplitudeAppsFlyerAgoraFirebaseAWSShorebirdFastlane
2. Lead Mobile Engineer

   Cashir (Fintech platform providing constant access to cash ) Apr 2022 — Nov 2022

   • Built Android app (with Flutter), scaling the user base from 0 to over +1k users within the first 3 months.
   • Integrated Google Maps & geolocation services which increased transaction volume by enhancing matching precision between cash requesters & providers, and driving prompt user interactions through Pusher's real-time socket connections.
   • Integrated third-party payment solutions and company backend APIs to facilitate seamless cash transactions, bill payments, and virtual account creation, optimizing user experience and ensuring immediate funding upon onboarding.
   • Set up aCI/CD pipeline to automate app deployment to Firebase App Distribution for testers and the store.

   FlutterFirebaseWebsocketsGithub ActionsFastlaneOneSignal
3. Lead Mobile Developer

   AvocatApp (Parent company: Remotili) (Timely legal aid for Nigerians) Sep 2021 — Mar 2022

   • Led the development of the Avocat mobile application from inception to launch on app stores; developed an admin panel (in Flutter) to regulate/moderate lawyers and users activities, and manage payments and settlements.
   • Implemented algorithm to match users with nearby lawyers and integrated Google Maps for visual guidance. This optimized legal consultations, especially in cases of rights violations.
   • Integrated real-time chat and video SDKs, enabling swift and efficient legal assistance.

   FlutterDartJavaServerpodFirebase

1. Bachelor of Science, Computer Science

   University of Jos, NigeriaNigeria2017 — 2021