Backend Developer - Drive

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.

Role Summary

As part of the UniFi Drive team, you’ll work in a fast-paced, innovation-driven environment. We believe in challenging assumptions, breaking limitations, and creating elegant solutions to complex problems. We’re not just building products—we’re building what’s next.

Ready to bring bold ideas to life? Join us and help redefine how the world connects.

Responsibilities (What he/she will do after joining UI)

• Design and implement backend services for UniFi Drive, enabling fast, secure, and reliable data access and storage.
• Develop robust RESTful APIs for file operations, user access, and device integration.
• Ensure efficient data handling across distributed systems, with a focus on consistency, scalability, and fault tolerance.
• Integrate with hardware and firmware layers to optimize performance for file storage and retrieval.
• Collaborate closely with frontend, QA, DevOps, and product teams to deliver high-quality features and improvements.
• Contribute to architectural decisions and ensure code quality through reviews, testing, and best practices.
• Troubleshoot production issues and continuously improve system reliability and performance.

Requirement (Must-Haves)

• 3+ years of experience in backend development using Golang in production environments.
• Proven experience with relational databases (RDBMS) such as PostgreSQL or MySQL, including schema design and optimization.
• Solid understanding of RESTful API design, security, and versioning.
• Familiarity with file system concepts, data consistency, and caching strategies.
• Experience working with concurrent programming, network protocols, and system-level performance tuning.
• Bachelor’s degree in Computer Science, Computer Engineering, or a related field.
• Strong problem-solving skills, with the ability to analyze and debug complex systems.
• Excellent collaboration and communication skills.
• Proficiency in AI development environments (e.g., Cursor, Claude Code) and expertise in AI development techniques, such as Spec-Driven Development, are required.

Preferred Qualifications

• Prior experience developing or maintaining NAS, file sharing, or cloud storage solutions.
• Knowledge of file system protocols such as NFS, SMB/CIFS, or WebDAV.
• Familiarity with object storage concepts and technologies (e.g., S3-compatible systems).
• Experience with data deduplication, replication, and backup strategies.
• Understanding of Unix/Linux systems, system calls, and performance profiling.
• Familiarity with event-driven architectures and asynchronous processing.
• Knowledge of RAID, disk health monitoring, and hardware-software integration challenges.