Backend Software Engineer (Go)

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 Backend Software Engineer (Go) to our team in Stockholm or Malmö, 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, develop, and maintain efficient, scalable, secure, and reliable backend services for UniFi OS and/or other applications across UniFi Design and implement robust RESTful APIs and services using Golang Develop applications and services for embedded platforms, integrating closely with network device firmware, hardware, and other applications Architect and document backend software systems with a focus on performance, scalability, security, and maintainability Perform network programming and system-level integration across multiple subsystems Integrate new features into larger software systems and connected device ecosystems Collaborate closely with cloud architects, backend and frontend engineers, UX designers, QA engineers, and other stakeholders to deliver cohesive product experiences Participate in code reviews, technical discussions, and knowledge sharing to continuously improve engineering quality and practices Take ownership of deliverables and consistently meet project timelines and quality expectations Requirements: 5+ years of professional software development experience using Golang in production environments Strong experience with relational databases such as PostgreSQL or MySQL, including database design and application integration Experience with NoSQL databases and data storage technologies Demonstrated expertise in designing and developing RESTful APIs Experience with MQTT and asynchronous or event-driven communication patterns Strong experience developing and operating software in Linux environments Experience with Docker and containerized applications Experience with Git/GitHub and modern software development workflows Good understanding of software design principles, including SOLID, maintainable architecture, and clean code practices Strong analytical and problem-solving skills with a proactive and adaptable mindset Ability to work independently and take ownership of technical decisions, tasks, and responsibilities Excellent written and verbal communication skills Highly proficient in English, both written and spoken Nice to have: Strong understanding of networking protocols, architectures, and network programming Familiarity with the Linux networking stack, routing, firewall management, and packet analysis tools such as tcpdump and Wireshark Experience developing or maintaining IoT platforms, connected device ecosystems, or embedded applications Knowledge of IoT and real-time communication protocols such as MQTT, CoAP, WebSockets, and WebRTC Familiarity with Matter and Thread, including their architecture, security, and implementation considerations Understanding of device provisioning, firmware-over-the-air (OTA) updates, and device lifecycle management Experience with edge computing, cloud-to-device integration patterns, telemetry collection, real-time data processing, and time-series databases Experience with asynchronous programming and event-driven architectures Experience with AWS, cloud services, and DevOps practices. Experience with SD-WAN, VPN, routing, or related networking technologies. Familiarity with Debian/Ubuntu, Linux application and service development, Bash, Unix, and CLI environments. 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 in central Stockholm (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