Lead Software Engineer
Backblaze · Remote - US
About this role
## Lead Software Engineer **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. Together with our partners, we help customers break free from restrictive, overpriced legacy solutions. Founded in 2007, Backblaze scaled with less than $3M in outside funding until 2021, when it completed a traditional IPO on the Nasdaq. Today, Backblaze generates over $100M in revenue and manages 3B+ GB of data storage for 500K+ customers across 175+ countries. **What you’ll be doing** You’ll work on our storage platform supporting **B2 Object Storage** and **Computer Backup**, responsible for reliably storing customer data. You will develop **host-managed SMR support** for the storage platform, optimizing for **throughput and costs**. **Responsibilities** - Lead technical design discussions and produce clear design documents - Drive implementation on large features - Shape coding methodologies and best practices **The Right Fit** - 10+ years of OOP (Java, Rust, C++, C#, etc.) in an enterprise environment, with a heavy focus on backend development - Experience building host-managed SMR support for storage systems - Experience benchmarking IO performance and resolving bottlenecks - Experience building large-scale software systems running on thousands of servers - Professional experience using AI-assisted development tools (e.g., Gemini, Cursor, Claude Code) - Comfortable across the full software development lifecycle: design, implementation, testing, and rollout - Curious and seeks to understand before offering solutions - Proactive communication in a remote environment (keep team informed, surface blockers early, move work forward) - Analytical thinking for ambiguous problems **Bonus points for** - Discovering and implementing performance improvements (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 **Required for all Backblaze Employees** - Good attitude and willingness to do whatever it takes to get the job done - Strong desire to work for a small, fast-paced company - Desire to learn and adapt to rapidly changing environments
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