We build digital products that scale.
YEBOAH ASIAMAH TECHNOLOGIES crafts world-class web apps, mobile apps, marketplaces, and cloud infrastructure — engineered from Africa for the world.
9+
Products Shipped
7
Marketplaces Built
4+
Programming Languages
100%
Self-Hosted Infra
Services that power your business
From concept to deployment, we handle the full product lifecycle.
Web Application Development
Blazing-fast, SEO-optimized web apps built with Next.js, React, and modern tooling.
Mobile App Development
Cross-platform mobile experiences with React Native and Expo.
Backend & API Engineering
Robust, scalable APIs using NestJS, Express, and Rust (Axum).
DevOps & Cloud Infrastructure
Self-hosted servers, CI/CD pipelines, and database management on Hetzner & Cloudflare.
E-commerce & Marketplaces
End-to-end marketplace platforms with payments, inventory, and logistics.
Progressive Web Apps
Installable, offline-capable PWAs that feel native on any device.
Technologies we master
Battle-tested tools chosen for performance, scalability, and developer joy.
Web Frontend
Mobile & PWA
Languages
Backend Frameworks
Databases & Storage
DevOps & Infra
Integrations
Products we've built
A growing ecosystem of platforms serving businesses and individuals across Africa and beyond.
Kay Vault
Promotion
A promotional platform for businesses and individuals to promote products, services, and content.
Kay Vault Fashion
Fashion
A fashion marketplace for individuals and businesses to sell fashion-related products and services.
Kay Vault Electronics
Electronics
A marketplace for electronic products and services.
Kay Vault Homeware
Homeware
A marketplace for homeware products and services.
Kay Vault Proptech
Real Estate
A marketplace for property sales and its related services.
Kay Vault F&B
Food & Beverage
A marketplace for farmers, restaurants, hotels, and manufacturers to market their products.
Meet the Founder
Asiamah Kwabena Yeboah
Founder & CEO
A passionate full-stack developer and DevOps engineer building digital products from Ghana to the world. Founder of the Kay Vault ecosystem, YebCode, and Jullearn.
🎓 Education: BSc Computer Science (Level 400), Kwame Nkrumah University of Science and Technology (KNUST)
🌍 Nationality: Ghanaian
💼 Role: Full-Stack Developer & DevOps Engineer
Have a project in mind?
Let's turn your idea into a production-ready product. Reach out and we'll get back within 24 hours.