UniFi Drive Software Engineer (Windows)

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Responsibilities (What he/she will do after join UI): Design and build the core synchronization and metadata handling logic for UniFi Drive on Windows, enabling reliable access to files across local and cloud environments. Build platform-integrated file experiences by working with Windows system behaviors and APIs, with a focus on correctness, performance, and native user expectations. Tackle non-trivial system problems that emerge in real-world usage, such as handling change, coordination, and edge cases across devices and environments. Collaborate closely with backend and infrastructure teams to align on data models, APIs, and end-to-end reliability. Work with product and design partners to translate user workflows into robust technical solutions, balancing system constraints with usability. Continuously improve performance, stability, and maintainability through measurement, profiling, and iterative refinement. Minimum Qualifications (MUST-haves) : 3+ years of professional software development experience, or equivalent experience, building and shipping production systems. Hands-on development experience on Windows, with familiarity with the Windows development ecosystem and real-world production workflows. Strong computer science fundamentals, with the ability to reason clearly about complex system behavior and engineering trade-offs. Ability to build clear mental models, decompose ambiguous problems, and make thoughtful engineering decisions rather than relying solely on predefined patterns or recipes. Solid programming skills in C++ or C#, with attention to correctness, readability, and long-term maintainability. Proficient with Git and modern development workflows, including code review, incremental delivery, and collaboration within a team. Comfortable navigating uncertainty, asking good questions, and working effectively in a fast-evolving platform environment. Preferred Qualifications (Nice-to-haves / Plus) : Familiarity with Windows platform concepts such as file systems, processes, threading, memory management, or system services. Experience working with networked or asynchronous systems, including REST APIs, WebSocket, WebRTC, or similar mechanisms. Experience designing or implementing synchronization logic or data coordination workflows. Background in storage, backup, or data-heavy systems, including NAS or hybrid local–cloud environments. Experience optimizing performance, memory usage, or I/O-heavy workflows, or debugging subtle issues in production systems.