Hi, I'm Jozef Bonnar
Full-stack software engineer. I build web platforms with Next.js, React, and Angular, ship C#/.NET backends, and run production systems on AWS, Azure, and GCP.
First Class BSc Computer Science from the University of Lincoln. Six years running Royalty Hosting: 60+ servers, real clients, real infrastructure.
Servers managed
Clients supported
Years building
Uptime target
languages: TypeScript, JavaScript, C#, C++, Python, Java, PHP, SQL, Bash
frontend: Next.js, React, Angular, RxJS, Tailwind, PWAs
backend: .NET, Node.js, REST APIs, Azure Functions, Azure AI Search
databases: Cosmos DB, Convex, MongoDB, PostgreSQL, MySQL, SQL Server
infra: AWS, Azure, GCP, Docker, Kubernetes, Linux, CI/CD
What I Specialise In
Full-stack development, cloud infrastructure, and system operations
Web Development
Build production-ready apps with Next.js, React, Angular, and modern tooling. From offline-capable PWAs to full-stack dashboards with auth, APIs, and payments.
Cloud & DevOps
Deploy and operate services on AWS, Azure, GCP, and Hetzner. Docker, Kubernetes, CI/CD, and infrastructure that stays reliable under load.
System Administration
Manage 60+ servers with 99.9% uptime. DDoS mitigation, monitoring, and incident response from running a hosting business.
Get in touch
Want to work together?
Open to collaborations, interesting projects, or just a good technical conversation.