[Hiring] Software Engineer III @Backblaze

Role Description

You will work on B2 APIs and subsystems that allow our customers and integrations to upload objects, manage object lifecycles, track usage, and interact with our billing and storage systems. You will help build new features, improve the scalability of our systems, and build internal observability tooling.

Responsibilities:

• Design, implement, and maintain B2 and S3-compatible APIs to ensure correctness, performance, and backward compatibility for a large base of external customers and integrations.
• Lead technical design discussions and produce clear design documents.
• Instrument services, develop metrics, define meaningful SLIs/SLOs, and drive reliability improvements.
• Actively participate in on-call rotation to help determine incident root causes and identify follow-up remediation items.

Qualifications

• 7+ years of server-side Java programming experience with a strong background in algorithms and data structures.
• Experience writing software for large scale distributed systems, including design, implementation, testing, and rollout.
• Communicates proactively in a remote environment by keeping the team informed, surfacing blockers early, and moving work forward.
• Professional experience incorporating AI-assisted development tools (e.g., Gemini, Cursor, Claude Code).

Requirements

• Bonus points for Cassandra and Vitess experience.
• Agile and scrum experience.

Benefits

• We value being fair and good to our customers, partners, and employees.
• Diversity, equity, and inclusion are at the core of our values.
• We are committed to fostering a workforce where all employees feel a sense of belonging.
• We are proud to be an Equal Opportunity Employer.