About Backblaze
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’re helping customers break free from the restrictive, overpriced legacy solutions that hold them back, and blaze forward with the full power of the open cloud in their hands.
Founded in 2007, we scaled the business with less than $3 million in outside funding until 2021, when we did a traditional IPO on the Nasdaq stock exchange. 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, including businesses, developers, IT professionals, and individuals.
While there is a lot to celebrate in our past, there is even more opportunity ahead of us. As we are continuing to grow, we’re seeking a Sr. Software Engineer - B2 Object Storage to join our team!
What You'll Do
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.
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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
The Right Fit
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)
Bonus points for
Cassandra and Vitess experience
Agile and scrum experience
At this point, we hope you're feeling excited about the job description you're reading. Learning, developing, and growing are key parts of our culture, so even if you don't meet every requirement, we still encourage you to apply.
At Backblaze, we value being fair and good to our customers, partners, and employees. That’s why 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 regardless of race, ethnicity, nationality, gender, sexual orientation, age, religion, socio-economic status, ability, veteran status, and education. We believe that our dedication to cultivating a diverse workspace not only allows us to better serve our customers in over 175 countries but further reinforces our commitment to doing the right thing. We are proud to be an Equal Opportunity Employer.
To understand more about the data we collect and process as part of your application, please view our Backblaze Employee Privacy Notice.
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