OpenAI

Backend Software Engineer (Evals)

OpenAI
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8 months ago
Seattle, WA, USA or San Francisco, CA, USAMid Level
H1B Sponsor

Base Salary

$266k - $445k/yr

Responsibilities

  • Design reliable, reproducible, and extensible evaluation pipelines.
  • Build continuous evaluation monitoring frameworks, including regression and drift monitoring, golden datasets, and feedback loops.
  • Design, build, and maintain backend services and APIs for intelligent automation and knowledge systems.
  • Integrate and structure data for downstream systems and AI workflows.
  • Collaborate with Data Science, Research, and Engineering teams to integrate OpenAI models into high-leverage workflows.
  • Own the full development lifecycle of backend systems and internal platform capabilities.
  • Build scalable, maintainable systems while rapidly iterating on new ideas.

Requirements

  • 4+ years of backend engineering experience at product-driven companies, excluding internships.
  • Proficiency with Python, FastAPI, and Postgres.
  • Experience designing and scaling distributed systems, APIs, or data processing pipelines.
  • Experience building AI agents or applications, including designing evaluations and improving performance through prompting or scaffolding.
  • Familiarity with LLM evaluation methods, multi-agent workflows, tool use, or long-context patterns.
  • Experience creating production evaluations or measuring ML/LLM model performance at scale.
  • Pragmatic approach to iterative delivery and long-term system development.

Tech Stack

OpenAI

About OpenAI

1,001-5,000 employees

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. AI is an extremely powerful tool that must be created with safety and human needs at its core. OpenAI is dedicated to putting that alignment of interests first — ahead of profit. To achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity. Our investment in diversity, equity, and inclusion is ongoing, executed through a wide range of initiatives, and championed and supported by leadership. At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology.

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