Backend Software Engineer (Go) - UniFi Connect

Job description

**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, 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 and implement robust, scalable, and secure RESTful APIs - Develop applications on embedded platforms, integrating closely with hardware and network systems - Architect and document backend software systems with a focus on performance, maintainability, and scalability - Perform network programming and system-level integration across multiple subsystems - Collaborate with cross-functional teams including Frontend Engineering, UX Design, and QA to ensure cohesive product development - Ensure high-quality deliverables and meet project timelines consistently - Participate in code reviews and actively share knowledge to foster a culture of continuous improvement **Requirements:** - 5+ years of experience with Golang in a production environment - 5+ years of experience working with relational databases (RDBMS) such as PostgreSQL or MySQL - Demonstrated expertise in designing and developing RESTful APIs - Strong analytical and problem-solving skills, with a proactive and adaptable mindset - Proficiency in AI development environments (e.g., Cursor, Claude Code) and expertise in AI development techniques, such as Spec-Driven Development - Excellent written and verbal communication skills - Strong sense of ownership of tasks and responsibilities - Highly proficient in English (written and spoken) **Nice to have:** - Experience developing or maintaining IoT platforms or connected device ecosystems, including best practices for security (authentication, encryption, secure communication) - Knowledge of IoT protocols such as MQTT, CoAP, or WebSockets for efficient communication - Familiarity with Matter and Thread protocols, including their architecture, security, and implementation considerations - Understanding of device provisioning, firmware over-the-air (OTA) updates, and device lifecycle management - Exposure to edge computing paradigms and cloud-to-device integration patterns - Proficiency in asynchronous programming and event-driven systems - Experience with telemetry data collection, real-time data processing, and time-series data stores - Familiar with Debian/Ubuntu, Linux application/service development, and CLI environment - Familiar with Linux networking stack, routing, packet analysis (tcpdump/Wireshark), and firewall management **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***