Software Engineer • Full-Stack Developer • DevOps Enthusiast
I’m a software engineer based in Nigeria, passionate about building scalable and elegant digital solutions. I focus on solving complex problems with user-centered design and efficient systems.
- 🔭 Working on Hotel Management Platform for Never Fails Lit
- 👯 Open to collaborating with developers
- 👨💻 Portfolio: https://www.harmony2k.cfd/
- 💬 Ask me about JavaScript, React, PHP, AWS, UI/UX
- 📫 Email: [email protected]
- 📄 Resume: https://www.harmony2k.cfd/doc/Kunu%20O%20Harmony%20software%20Resume%20.pdf
- ⚡ Fun fact: I love coding & exploring data + machine learning
🔗 https://github.com/timenyin/GitHub_finder
A web app that allows users to search and explore GitHub profiles, repositories, and activity using the GitHub API.
Tech: React, API Integration
🔗 https://github.com/timenyin/Jumia_Firecrawl
A data scraping and automation tool designed to extract product data from Jumia for analysis and insights.
Tech: Python, Web Scraping
🔗 https://github.com/timenyin/AfricanTalkings_USSD
A full USSD application built with Spring Boot, integrated with Africa's Talking API for real-time user interaction and mobile services.
Tech: Java, Spring Boot, USSD, API Integration
⚡ Scalable architecture • 🎯 UI/UX focus • 🚀 Performance optimization
🔄 DevOps mindset • 🤝 Strong collaboration
A Spring Boot USSD application integrated with Africa's Talking API.
- Service Code: 347426#
- Built with Spring Boot + Java 21
- Real-time USSD interaction system
- Handles authentication, wallet, and transactions
- 📲 Interactive USSD menu system
- 💰 Wallet balance & transactions
- 🔐 Session management
- ⚡ Fast response time (~0.8s)
- ✅ Fully working locally
- ✅ API endpoints tested
- ❌ Production connectivity issue (Africa's Talking timeout)
/ussd– Main callback/ussd/health– Health check/ussd/test– Testing/ussd/simulate– Simulation
- Spring Boot
- Africa's Talking API
- Redis (session handling)
- Ngrok