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Principal Software Engineer, Full Stack

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Principal Software Engineer, Full Stack in USA new

  • San Francisco, CA

Responsibilities

  • Set technical and product direction for significant areas of Codex and translate product vision into scalable architectures and engineering strategy.
  • Lead complex initiatives spanning client applications, backend services, agent systems, cloud infrastructure, and developer tooling.
  • Design AI-powered workflows that work across languages, codebases, development environments, and organizations.
  • Make high-consequence architectural decisions and establish standards for reliability, observability, performance, experimentation, and evaluation.
  • Align stakeholders across teams and drive work from exploration through launch and iteration.
  • Partner with product, design, research, infrastructure, security, and go-to-market teams.
  • Engage with developers, open-source maintainers, startups, and enterprises to identify foundational opportunities.
  • Review critical designs, mentor engineers, improve engineering practices, and contribute directly to technically demanding implementation.

Requirements

  • Experience leading the design and delivery of technically complex, user-facing systems with impact beyond a single feature or team.
  • Deep software engineering expertise across product interfaces, distributed systems, infrastructure, and developer tooling.
  • A track record of setting technical direction, creating clarity in ambiguous problem spaces, and aligning multiple teams or disciplines.
  • Hands-on technical leadership experience, including architecture, mentorship, and complex decision-making.
  • Deep understanding of modern software development workflows and AI agent interaction and system design.
  • Experience building or operating AI-powered products, including understanding of nondeterminism, evaluation, latency, reliability, safety, and evolving model capabilities.
  • Strong product judgment and the ability to balance speed, product learning, technical quality, and long-term leverage.
  • Ability to communicate clearly across engineering, product, design, research, and executive audiences.

Salary: $459k - $536k/yr

OpenAI

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 fi...

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