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Backblaze

Senior Software Engineer, AI

Backblaze

Sr. Software Engineer designing and building AI-assisted backend APIs for Backblaze's cloud storage solutions.

Posted 5/4/2026full-timeRemote • 🇦🇷 ArgentinaSeniorWebsite

Tech Stack

Tools & technologies
JavaOpen SourcePythonTypeScript

About the role

Key responsibilities & impact
  • 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.

Requirements

What you’ll need
  • 5+ years of backend software engineering experience, ideally on systems that serve millions of users across multiple platforms.
  • Proficiency in one or more backend languages (Java, Python, TypeScript, or similar); comfortable picking up new languages as needed.
  • 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.

Benefits

Comp & perks
  • Competitive compensation and benefits
  • Remote-first culture supporting work-life balance

ATS Keywords

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Hard Skills & Tools
backend software engineeringJavaPythonTypeScriptAI workflowsdata ingestionpreprocessinginferencelarge-scale APIsdistributed storage
Soft Skills
customer-focused mindsetstrong written communicationcross-functional collaborationgood attitudeadaptability