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Software Engineer, Backend

Builds scalable backend systems and APIs powering AI workflows for talent platforms and data annotation for top AI labs. Requires strong coding in Python/Go/Rust, distributed systems knowledge, and cloud experience.

130k – 500kSan Francisco, CABackend EngineeringOnsite

About the role

What You’ll Do

  • Design and build scalable backend APIs, services, and infrastructure.
  • Collaborate across the stack with product and design to ship features quickly.
  • Write clean, maintainable code and contribute to documentation.
  • Participate in code reviews, technical design discussions, and retros.
  • Solve real-world customer problems under real-world constraints.
  • Contribute to core systems that power training, evaluation, and scaling for leading AI labs.

What We’re Looking For

  • Strong coding fundamentals in at least one modern language (Python, Go, Rust, etc.).
  • Understanding of data structures, algorithms, and distributed systems.
  • Familiarity with APIs, SQL/NoSQL databases, and cloud platforms (AWS/GCP).
  • Bias toward ownership, curiosity, and asking the right questions.
  • Ability to break down ambiguity and ship simple solutions to complex problems.

Benefits

  • Generous equity grant vested over 4 years
  • A $10K housing bonus (if you live within 0.5 miles of our office)
  • A $1.5K monthly stipend for meals
  • Free Equinox membership
  • Health insurance

Skills

PythonGoRustAPIsSQLNoSQLAWSGCPData StructuresAlgorithmsDistributed Systems

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