Senior Software Engineer - Backblaze

Company Description

Backblaze is the object storage leader in the open cloud movement, fueling customer success with cloud storage built purposefully to unlock budgets, unburden administrators, and unleash innovators. Today, Backblaze generates over $100m in revenue and is the leading specialized storage cloud, managing over three billion gigabytes of data storage for 500K+ customers in 175+ countries.

What You'll Do

You will work on our storage platform which supports the B2 Object Storage and Computer Backup products, responsible for reliably storing customer data. You will help improve durability, increase throughput, and drive architectural changes to support the long-term requirements of our service.

Responsibilities

• Lead technical design discussions and produce clear design documents
• Drive the implementation on large features
• Shape coding methodologies and best practices

The Right Fit

• 7+ years of OOP (Java, Rust, C++, C#, etc) in an enterprise environment, with a heavy focus on backend development
• Experience building large-scale software systems running on thousands of servers
• Professional experience incorporating AI-assisted development tools (e.g., Gemini, Cursor, Claude Code)
• Comfortable with all aspects of the software development lifecycle, including design, implementation, testing, and rollout
• Exhibits curiosity and seeks to understand before offering solutions
• Communicates proactively in a remote environment by keeping the team informed, surfacing blockers early, and moving work forward
• Applies analytical thinking to ambiguous problems

Bonus Points For

• Proficiency in Java or Rust
• Experience with developing host-managed SMR solutions
• Experience with discovering and implementing performance improvements, including CPU and IO
• Familiarity with hard drive performance and optimization
• Experience building and interpreting models, dashboards, or reports
• Understanding of Linux internals and file systems