Backend Software Engineer (Go) - UniFi Connect

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 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