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joshuaalex/README.md

👋 Hi, I'm Joshua Alex Mbaya

🚀 Technical Lead | Backend Engineer | Frontend Engineer | Cloud & DevOps Enthusiast

I am a passionate software engineer with 6+ years of experience building scalable, secure, and innovative solutions across fintech, crypto, edtech, and enterprise systems. I thrive at the intersection of backend engineering, frontend engineering, cloud infrastructure, and distributed systems, leading teams to deliver reliable products that impact thousands of users.

💡 About Me

  • 🔭 Currently Technical Lead @ 700 Apps, Saudi Arabia
  • 💻 Experienced in .NET, NestJS, React, Node.js, Angular, GraphQL
  • ☁️ Skilled in AWS, Docker, Kubernetes, CI/CD, Helm Charts, Jenkins
  • 🛢️ Proficient with MongoDB, PostgreSQL, MySQL, Redis
  • 🔒 Advocate for secure, scalable, and maintainable architectures
  • 👨‍🏫 Mentor & coding bootcamp facilitator, passionate about sharing knowledge and growing teams

🛠️ Tech Stack

Languages & Frameworks:
.NET (C#) | JavaScript | TypeScript | Node.js | NestJS | React | Angular | PHP

Databases:
MongoDB | PostgreSQL | MySQL | Redis

DevOps & Cloud:
AWS | Digital Ocean | Docker | Kubernetes | Helm | CI/CD | Jenkins

Other:
Agile | SOLID Principles | Microservices | Kafka

📌 Highlighted Projects

  • 💳 Fintech Wallet & Payments – Built secure wallet infrastructure with QR/NFC payments, deployed on cloud with high availability.
  • 🎓 University Portal – Architected a comprehensive LMS & student portal for 20k+ users.
  • 🌐 Booking Platform – Designed a microservices-based booking system with NestJS, .NET, and MongoDB.
  • 🔐 Crypto Payment Gateway – Integrated crypto & fiat transactions with robust security protocols.
  • 📊 QMS (Quality Management System) – Developed .NET microservices with CAPA & Risk modules using the ABP framework.

🏆 Achievements

  • 🥇 Gold Medalist – Nigerian Universities Computer Programming Contest (NUCPC)
  • 👨‍🏫 Mentor – Guided students at MAAUN on modern web development with React
  • 💼 Led multiple cross-functional engineering teams delivering production-ready systems

📫 Let's Connect

⭐️ Always open to collaborations, open-source contributions, and innovative projects.

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