{"id":1180192,"url":"https://alion.io/job/ubiquiti-unifi-drive-software-engineer-windows","title":"UniFi Drive Software Engineer (Windows)","company":{"id":16273,"name":"Ubiquiti","domain":"ui.com","url":"https://alion.io/company/ubiquiti","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":95,"open_postings":154,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":137,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Taipei, Taiwan"],"countries":["TW"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"Git","optional":false},{"name":"Windows","optional":false},{"name":"Rest API","optional":true},{"name":"WebRTC","optional":true},{"name":"WebSockets","optional":true}],"status":"live","first_seen_at":"2026-09-24T11:07:36Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-22T11:36:02Z","board_verified":true,"closed_at":null,"days_open":28,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":27},"description":"About Ubiquiti\nAt 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.\n\nResponsibilities (What he/she will do after join UI):\nDesign and build the core synchronization and metadata handling logic for UniFi Drive on Windows, enabling reliable access to files across local and cloud environments.\nBuild platform-integrated file experiences by working with Windows system behaviors and APIs, with a focus on correctness, performance, and native user expectations.\nTackle non-trivial system problems that emerge in real-world usage, such as handling change, coordination, and edge cases across devices and environments.\nCollaborate closely with backend and infrastructure teams to align on data models, APIs, and end-to-end reliability.\nWork with product and design partners to translate user workflows into robust technical solutions, balancing system constraints with usability.\nContinuously improve performance, stability, and maintainability through measurement, profiling, and iterative refinement.\n\nMinimum Qualifications (MUST-haves) :\n3+ years of professional software development experience, or equivalent experience, building and shipping production systems.\nHands-on development experience on Windows, with familiarity with the Windows development ecosystem and real-world production workflows.\nStrong computer science fundamentals, with the ability to reason clearly about complex system behavior and engineering trade-offs.\nAbility to build clear mental models, decompose ambiguous problems, and make thoughtful engineering decisions rather than relying solely on predefined patterns or recipes.\nSolid programming skills in C++ or C#, with attention to correctness, readability, and long-term maintainability.\nProficient with Git and modern development workflows, including code review, incremental delivery, and collaboration within a team.\nComfortable navigating uncertainty, asking good questions, and working effectively in a fast-evolving platform environment.\n\nPreferred Qualifications (Nice-to-haves / Plus) :\nFamiliarity with Windows platform concepts such as file systems, processes, threading, memory management, or system services.\nExperience working with networked or asynchronous systems, including REST APIs, WebSocket, WebRTC, or similar mechanisms.\nExperience designing or implementing synchronization logic or data coordination workflows.\nBackground in storage, backup, or data-heavy systems, including NAS or hybrid local-cloud environments.\nExperience optimizing performance, memory usage, or I/O-heavy workflows, or debugging subtle issues in production 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