About Backblaze
Backblaze provides reliable, high-availability cloud storage trusted by consumers, SMBs, enterprises, and developers in over 150 countries. Backblaze B2 Cloud Storage supports data-intensive workloads including backup, media, analytics, and modern AI pipelines. Our teams focus on building durable, scalable systems with a strong emphasis on developer experience and operational efficiency.
But while there is a lot to celebrate in our past, there is almost as much opportunity ahead of us. We’re seeking a Software Engineer, AI to join our team!
What You’ll Do:
- Use AI-assisted development tools, including Claude Code, to accelerate implementation while validating correctness, security, and performance.
- Design and build server-side APIs that authenticate users, accept and manage backups, handle large-scale data operations, and prepare restored data for customers across our global user base.
- Collaborate with Product, QA, and Support teams to ensure both backend features reflect real customer workflows and usage patterns.
- Build and maintain support tooling to help diagnose and resolve customer issues at scale.
- Ensure all code and open source assets meet high standards for testing, documentation, reproducibility, and developer usability.
- AI coding agents such as Claude Code, Cursor, Codex, and Antigravity
- Languages: Java
- Backblaze B2 SDKs and REST APIs
- Open source AI frameworks and tooling (e.g. LangChain, LlamaIndex, vector databases)
- SQL and NoSQL backend development (experience with large-scale distributed databases a plus)
- GitHub, pytest, CI/CD pipelines
- Large-scale server infrastructure (Linux, cross-platform awareness)
- 2+ years of backend software engineering experience, ideally on systems that serve millions of users across multiple platforms.
- Proficiency in Java.
- Practical understanding of AI workflows — data ingestion, preprocessing, inference, and agent-based orchestration.
- Experience building or working with large-scale APIs and distributed storage or data systems.
- Production-quality coding habits: rigorous testing, clear documentation, and attention to security and performance.
- Customer-focused mindset — you think about the developer and end-user experience in everything you build.
- Strong written communication skills; you can explain technical decisions clearly to both engineers and non-engineers.
- Good attitude, cross-functional collaboration skills, and a genuine desire to work in a fast-paced environment with evolving requirements.
- Experience building or evaluating AI agents and multi-step tool-use systems.
- Experience with Cassandra or other large-scale NoSQL systems.
- Familiarity with ReactJS or front-end frameworks.
- Prior work with vector databases or embedding pipelines.
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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