About
Me
Hi, I’m Ephraim Umunnakwe, but most people know me as King Raym. I’m a Mobile developer from Nigeria, passionate about turning ideas into beautiful, functional apps. Through Raym Universe, I bring creativity and precision together to build digital experiences that inspire, solve problems, and stand out.
Skills
Experience
Flutter Developer
Coder's Triangle
Collaborated with a cross-functional team to maintain and enhance 'Confide' (Social Media App) and 'CTLearn' (Ed-Tech Platform). Integrated push and in-app notifications using Firebase Cloud Messaging, improving user engagement by 25%. Implemented secure user authentication and optimized app performance, reducing ANR rates to below 0.5%.
Flutter Developer
ProjKonnect
Built a scalable Ed-Tech Flutter application with features like notifications, chat, video streaming, media download, and payment integration. Deployed application on Play Store and App Store; currently runs on over 500 devices nationwide. Integrated third-party services such as Paystack for in-app purchases and secured user data using encryption algorithms.
Senior Flutter Developer
Xeno Technologies
Developed and maintained a cross-platform crypto mining application using Flutter, achieving over 150k installations and 17k+ daily active users. Implemented JWT-based authentication, notifications using FCM and OneSignal, and CRUD API operations. Optimized app performance to achieve less than 1% ANR reports and a 4.0 rating on the Play Store
Achievements
Community Development and Growth
2023Google Developer Student's Club
Growth and Promotion of Technology Across Campus.
Incubation Finalist (Top 2)
2025NITDA
Placed Second with my Startup Ahiaoma Technologies for Outstanding product development and Roadmap