Senior C#/.NET Desktop Developer

ubiquiti

Requirements

3+ years of professional C#/.NET development experience.
Strong proficiency in C# and solid experience building desktop applications.
Experience with modern .NET and desktop UI frameworks such as Avalonia, WPF, or similar, including MVVM and modern async/await patterns.
Experience consuming RESTful APIs and working with WebSocket communication.
Experience implementing high-fidelity UIs from Figma designs and collaborating closely with designers.
Solid understanding of application architecture, performance optimization, debugging, and memory management.
Hands-on experience with modern AI-assisted development tools such as Claude Code, Cursor, Codex, or similar, using AI as part of day-to-day development.
Fluent in English and Czech.

Experience with cross-platform desktop development, including shared core architecture with platform-specific UI and service layers.
Experience building applications with real-time updates or streaming data using WebRTC, MQTT, or similar technologies.
Experience with IPC mechanisms such as named pipes or Unix sockets between a UI process and a privileged helper or service.
Experience developing platform-specific background services, such as Windows Services or Linux daemons.
Interest in networking technologies and IoT products, including VPNs, WireGuard, and network management.

Competitive salary, 5 weeks of vacation per year.
Discretionary bonuses based on individual performance.
Flexible working hours, home office.
Access to all the latest Ubiquiti products and prototypes for home use and testing.
Top floor office near Anděl with terrace and amazing view of Prague.
Kitchen packed with food, snacks & sodas, meal allowance.
A collective of developers who want to build the best product. Maximum effort to keep processes to a minimum - no unnecessary bureaucracy, complex reporting, or similar overhead.