F0182 - System Application Development Engineer (Windows/Desktop)

2 weeks ago

Taipei Taipei City, Taiwan Ubiquiti Inc. Full time $90,000 - $120,000 per year

About Ubiquiti
At Ubiquiti, our mission is to rethink IT by building high-performance, beautifully designed systems that redefine how people connect, work, and interact with their data.

UniFi Drive is our next-generation network-attached storage (NAS) solution — seamlessly integrated into the UniFi ecosystem. It enables users to store, access, and manage data across local and cloud environments with speed, reliability, and simplicity. More than just storage, it's evolving into a unified data platform that powers everything from seamless backup and secure remote access to smart collaboration and intelligent data orchestration.

We envision a world where storage is not a separate product, but a deeply integrated foundation throughout the UniFi ecosystem — powering real-world user workflows and enabling next-level performance, resilience, and simplicity at scale.

As part of the UniFi Drive team, you'll help shape this vision into reality. You'll contribute to platform architecture, cross-device integration, developer-facing tools, and next-generation experiences that will define how data moves and lives within the UniFi ecosystem and beyond.

We're looking for engineers who enjoy solving deep problems, challenge conventional thinking, and care about building things that are both elegant and impactful. If that sounds like you, let's talk.

Responsibilities

  • Help design and build the core sync, storage, and system-facing user experiences for UniFi Drive on Windows — enabling seamless, intuitive, and intelligent data access across local and cloud environments.
  • Deliver platform-integrated file experiences by working with Windows system behaviors and APIs to create intuitive and performant user interactions.
  • Solve complex problems around consistency, versioning, conflict resolution, and offline capability in distributed environments.
  • Collaborate with backend, infrastructure, and design teams to align on architecture, data flows, and end-to-end reliability.
  • Continuously improve performance, resilience, and the maintainability of the application.

Requirement

  • 3+ years of experience in Windows system-level or desktop application development using C++ or C#.
  • Familiarity with Windows system architecture and file behaviors.
  • Proficient with Git and modern development workflows.
  • Comfortable integrating communication protocols such as REST APIs, WebSocket, WebRTC, or MQTT into system components.
  • Proactive, collaborative, and comfortable navigating ambiguity in a fast-evolving platform environment.

Nice to have

  • Experience with .NET Framework or .NET Core, and desktop app development using C#.
  • Experience building synchronization logic or distributed file update mechanisms (e.g., change detection, version tracking, conflict resolution).
  • Experience designing storage-related features in NAS or hybrid environments (e.g., backup orchestration, remote access, local-cloud interaction).
  • Familiarity with Cloud Files API or Windows Shell integration.
  • Experience with virtual file system technologies such as Dokan.
  • Background in building backup, versioning, or storage tools.
  • Knowledge of file transfer optimization (e.g., resume support, caching) and data consistency challenges

Benefits

  • International work environment and work with global development teams.
  • Excellent work conditions.
  • Competitive package we can and do offer great pay, perks, and benefits.
  • Group insurance; Health insurance.
  • Flexible working patterns.
  • Free drinks and snacks in the office.

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