Sr. Software Engineer

You will design, build, and maintain backend systems and APIs that power our core product at scale. You will contribute to new features, improve reliability and performance, and build tooling that helps the broader team move faster and solve customer problems. AI-assisted and agentic coding tools are a normal part of how we work; we expect you to use them fluently and to bring good judgment about when and how to apply them.

• 8+ years of Java development in an enterprise environment (personal project work not included)
• Proficient in server-side Java programming; Apache Tomcat experience a plus
• Strong SQL and relational database skills
• Experience building or maintaining systems at scale: thousands of servers, millions of customers
• Some experience with agentic AI coding tools (Claude Code, Codex, Cursor, or similar) — used regularly, not just dabbled with
• Cross-platform comfort (Linux/macOS/Windows) — no need to be an expert on all three, but not afraid of any

• Experience with clustered MySQL systems
• Python experience, either scripting, tooling, or data work
• JavaScript and/or ReactJS
• Experience with Struts or JSPs

• Passionate about building high performance and scalable code with easy to use interfaces and APIs.
• Likes to work closely with other engineers, support, and sales to help customers.
• Believes the whole world needs backup, not just English speakers in the USA.
• Customer Focused (!!) — always focus on the customer’s point of view and how to solve their problem!

At this point, we hope you're feeling excited about the job description you're reading. Even if you don't meet every requirement, we still encourage you to apply. Learning, developing, and growing are key parts of our culture. We're eager to meet people who believe in our mission and can contribute to our team in various ways. We want people to feel comfortable expressing their true selves and to come, stay, and do their best work here.

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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