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Codex Jobs in California (NOW HIRING)

NxT Level

Product Engineer

San Francisco, CA · On-site

Tools such as Cursor, Claude Code, and Codex should already be part of how you develop, iterate, and ship production software. The ideal candidate has experience at a high-performing technology ...

OpenAI

Software Engineer, API Multicloud

San Francisco, CA · On-site

$293K - $385K/yr

Help stand up cloud-hosted Codex experiences powered by the OpenAI Responses API. * Build the infrastructure and runtime abstractions for a stateful, cloud-optimized agentic platform. * Partner ...

NxT Level

Product Engineer

San Francisco, CA · On-site

Tools such as Cursor, Claude Code, and Codex should already be part of how you develop, iterate, and ship production software. The ideal candidate has experience at a high-performing technology ...

NxT Level

Product Engineer

San Francisco, CA · On-site

Tools such as Cursor, Claude Code, and Codex should already be part of how you develop, iterate, and ship production software. The ideal candidate has experience at a high-performing technology ...

OpenAI

Software Engineer, Cyber Frontier

San Francisco, CA · On-site

$230K - $325K/yr

About the Role We're looking for research and software engineers to join Codex Cyber. You'll help define and ship security products, work with trusted defenders and customers, shape model training ...

Circle

Lead Talent Acquisition Partner

San Diego, CA · On-site

Use Claude Code and/or OpenAI Codex Skills to create repeatable recruiting workflows, document processes, improve stakeholder communication, and reduce manual operational drag. * Participate in ...

OpenAI

Product Operations Manager

San Francisco, CA · On-site

$257K - $285K/yr

Codex) * Have an entrepreneurial spirit, bias for action, and high agency; you ship v1s quickly and iterate to quality at scale. * Can build systems/tools (via code / no‑code / AI) to make internal ...

OpenAI

Developer Education Lead

San Francisco, CA · On-site

$198K - $335K/yr

We create inspiring demos, sample applications, technical content, learning experiences, and developer programs that show what is possible with Codex, the OpenAI API platform, ChatGPT, and frontier ...

Sonar

Partner Engineer - Technology Partnerships

San Mateo, CA · On-site +1

$60 - $82.25/hr

Integrating seamlessly with Claude Code, Codex, Cursor, GitHub Copilot, Gemini, and Devin, we help over 75% of the Fortune 100 build trusted, reliable, compliant software. Customers who use Sonar are ...

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Codex jobs near you
Infographic showing various Codex job openings in California as of July 2026, with employment types broken down into 93% Full Time, 4% Part Time, 1% Temporary, and 2% Contract. Highlights an 73% Physical, 4% Hybrid, and 23% Remote job distribution.
Product Engineer

Product Engineer

NxT Level

San Francisco, CA • On-site

Full-time

Posted 17 days ago

Job description

About the Role
We are looking for a Product Engineer with 2+ years of experience to join a fast-moving LegalTech startup transforming the U.S. immigration experience through AI.
This is a backend-leaning, full-stack role where you will own meaningful product features end-to-end, from backend architecture and database design to the user interfaces used by the company's internal legal team and customers. You will work directly with the founding team and sit close to the legal professionals using the product every day, giving you immediate feedback and a clear view into the impact of what you build.
This team is highly AI-native. Tools such as Cursor, Claude Code, and Codex should already be part of how you develop, iterate, and ship production software. The ideal candidate has experience at a high-performing technology company, top-tier startup, or as a founder, and is energized by the pace, ownership, and intensity of an early-stage environment.
What You Will Do
  • Own product features end-to-end, including API design, database architecture, backend implementation, and React-based user experiences.
  • Work directly with the internal legal team to understand complex immigration workflows and build tools that save significant time while improving accuracy and efficiency.
  • Use AI-assisted development tools such as Claude Code, Cursor, and Codex as part of your day-to-day engineering workflow.
  • Build and iterate on AI-powered product capabilities using LLMs and machine learning models.
  • Partner closely with the founding team and external customers to rapidly improve a platform supporting high-stakes immigration cases.
  • Contribute to technical decisions, product direction, and engineering standards as the company scales.

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