Senior Software Engineer - UniFi Protect

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. Join forces with us on our mission to build a better IT industry. We are currently looking for a highly skilled Senior Software Engineer to our team in Stockholm, Sweden. Please note that applicants must live in Sweden and hold a valid work permit at the time of application to be considered for this role. Responsibilities: Design, implement, and own reliable C++ services for real-time video ingest, recording, playback, transcoding, and media management Build efficient data paths that perform predictably under high camera counts and constrained CPU, memory, network, and storage resources Improve recording integrity, storage lifecycle and retention, fault recovery, and service observability Diagnose complex production issues using logs, metrics, crash dumps, support bundles, source-level debugging, and targeted reproduction Deliver maintainable changes through design and code reviews, GoogleTest unit tests, pytest integration tests, performance measurements, and deployment validation Collaborate with application, camera, platform, cloud, QA, support, and product teams to take features and fixes from design to production Requirements: 5+ years of professional experience developing systems software in modern C++ (C++17/20) on Linux Strong grasp of modern C++, including RAII, move semantics, templates, and object-oriented design Strong understanding of concurrency, asynchronous I/O, process and thread lifecycle, memory ownership, and failure handling Practical knowledge of Linux networking, filesystems, storage I/O, and system-level debugging Experience with IPC or RPC frameworks such as gRPC and Protocol Buffers in a multi-service architecture Experience designing or maintaining long-running services where performance, reliability, backward compatibility, and data integrity matter Ability to investigate ambiguous cross-component failures, form evidence-based hypotheses, and validate fixes with focused reproductions Proficiency with Git, CMake or comparable build systems, debuggers, profilers, and scripting B.Sc. in Computer Science or a related engineering discipline, or equivalent practical experience Professional proficiency in written and spoken English Nice to have: Experience with video pipelines, media containers, and tools such as GStreamer or FFmpeg Familiarity with video codecs such as H.264, H.265, AV1, VP8, or VP9 and streaming protocols such as RTMP, RTSP, HLS, or WebRTC Experience with high-throughput recording, playback, retention, indexing, or storage-recycling systems Experience designing high-throughput, low-latency, zero-copy or low-allocation data paths Experience with Linux filesystems such as Btrfs and ext4, including performance analysis, capacity management, failure modes, and recovery Familiarity with ARM64 Linux appliances, cross-compilation, Debian packaging, and systemd Knowledge of SQL databases, query performance, and the interaction between metadata and media storage Experience with crash handling, symbolication, observability, performance profiling, and production incident analysis Familiarity with fault injection, integration testing, load testing, and performance or capacity analysis Benefits International work environment Competitive compensation package including wellness allowance, occupational pension, medical insurance, private health insurance, life insurance and work-injury insurance Five weeks of holiday per year Flexible work hours and hybrid work model Modern office space located in Epicenter (Hötorget) Access to all the latest Ubiquiti products and prototypes for home use and tests Please note that a background check will be conducted in the final stage of the recruitment process