Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Nana Agyemang Gyamfi, a web and mobile developer specializing in React.js, React Native, and Kotlin. I build scalable, user-focused applications and optimize front-end architecture, API integration, performance, and CI/CD automation. I lead cross-functional teams to deliver high-quality software with measurable impact, and I stay committed to continual learning and innovation.…

Nana Agyemang Gyamfi

App Developer, Back-End Developer, Front-End Developer, +3





I'm Nana Agyemang Gyamfi, a web and mobile developer specializing in React.js, React Native, and Kotlin. I build scalable, user-focused applications and optimize front-end architecture, API integration, performance, and CI/CD automation. I lead cross-functional teams to deliver high-quality software with measurable impact, and I stay committed to continual learning and innovation.…

Available to hire

I’m Nana Agyemang Gyamfi, a web and mobile developer specializing in React.js, React Native, and Kotlin. I build scalable, user-focused applications and optimize front-end architecture, API integration, performance, and CI/CD automation.

I lead cross-functional teams to deliver high-quality software with measurable impact, and I stay committed to continual learning and innovation.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Lead Software Developer, Co-founder, CEO at Hostelhubb

November 1, 2024 - November 4, 2025

Architected a scalable React Native/Firebase platform for Hostelhubb, driving user growth to 4,000+ active users, integrating real-time Paystack payments, and automating notifications for a 30%+ engagement boost. Led the full mobile app lifecycle, including Play Store and App Store releases, 100+ CI/CD-powered updates, maintaining zero critical production issues and maximizing booking workflow efficiency.

Full Stack Software Developer at KNUST

August 1, 2025 - August 1, 2025

Developed and deployed KNUST Attendance App with React Native, React.js, Firebase, Node.js, and geolocation; enabling real-time secure tracking, RBAC, notifications, and automated data sync for 2,000+ users; reduced errors by 40%. Led CI/CD, app/store deployment, automated testing, and uptime monitoring, achieving 99.9% reliability and scalable mobile rollout.

Software Engineer at Computer Science Society

May 1, 2025 - November 4, 2025

Developed MobiCare app (React Native, mobile healthcare) with appointment scheduling, real-time video consultations, and AI-powered nutrition recommendations for expectant mothers. Implemented date/time validation, availability logic, push notifications, and seamless user authentication to optimize engagement and operational efficiency.

Lead Software Developer, Co-founder, CEO at Hostelhubb

November 1, 2024 - November 13, 2025

Architected a scalable React Native/Firebase platform for Hostelhubb, driving user growth (2,000+ active users), integrating real-time Paystack payments, and automating notifications for a 30%+ engagement boost. Led full mobile app lifecycle, including Play Store and App Store releases, 100+ CI/CD-powered updates, and zero critical production issues, optimizing booking workflows and maximizing user retention.

Full Stack Software Developer at Kwame Nkrumah University of Science and Technology (KNUST)

August 1, 2025 - August 1, 2025

Developed and deployed KNUST Attendance App with React Native, React.js, Firebase, Node.js, geolocation, enabling real-time secure tracking, RBAC, notifications, and automated data sync for 2,000+ users; reduced errors by 40%. Led CI/CD, App/Play Store deployment, automated testing, and uptime monitoring, achieving 99.9% reliability, compliant mobile rollout, and robust scalability.