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OpenAI

Senior Staff Backend Software Engineer, Codex for Finance

OpenAI
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onsite senior Full time $230K – $385K San Francisco

First indexed 15 May 2026

Description

We're looking for backend engineers to help design and scale the systems that will drive the future of AI in finance. As a Senior Staff Backend Software Engineer on the Codex for Finance team, you will own the end-to-end development lifecycle for new platform capabilities and integrations with other systems. You will collaborate closely with product, design, and external customers to understand problems and implement effective solutions. Your background might look something like:

7+ years of professional engineering experience (excluding internships) in relevant roles at tech and product-driven companies Former founder, or early engineer at a startup who has built a product from scratch is a plus Proficiency in one or more backend languages (e.g., Python, Go, Rust, Typescript or similar) and distributed systems concepts Enjoy building infrastructure that supports billions of requests and petabytes of data Care deeply about reliability, safety, and performance in production environments Interest in AI/ML (direct experience not required) Proven ability to thrive in fast-growing, product-driven companies by effectively navigating loosely defined tasks and managing competing priorities or deadlines

In this role, you will work with the research team to improve our next generation of models. You will also collaborate with product, design, and external customers to understand problems and implement effective solutions. We are looking for someone who is passionate about building scalable and reliable systems, and who is excited about the opportunity to shape the future of AI in finance.

Responsibilities

  • Own the end-to-end development lifecycle for new platform capabilities and integrations with other systems
  • Collaborate closely with product, design, and external customers to understand problems and implement effective solutions
  • Work with the research team to improve our next generation of models
  • Collaborate with product, design, and external customers to understand problems and implement effective solutions

Requirements

  • 7+ years of professional engineering experience (excluding internships) in relevant roles at tech and product-driven companies
  • Former founder, or early engineer at a startup who has built a product from scratch is a plus
  • Proficiency in one or more backend languages (e.g., Python, Go, Rust, Typescript or similar) and distributed systems concepts
  • Enjoy building infrastructure that supports billions of requests and petabytes of data
  • Care deeply about reliability, safety, and performance in production environments
  • Interest in AI/ML (direct experience not required)
  • Proven ability to thrive in fast-growing, product-driven companies by effectively navigating loosely defined tasks and managing competing priorities or deadlines

Preferred Qualifications

  • Experience with cloud-based services (e.g., AWS, GCP, Azure)
  • Familiarity with containerization (e.g., Docker)
  • Experience with CI/CD pipelines
  • Familiarity with agile development methodologies
  • Strong communication and collaboration skills

Benefits

  • Competitive salary and benefits package
  • Opportunities for professional growth and development
  • Collaborative and dynamic work environment
  • Flexible work arrangements (e.g., remote work options)
  • Access to cutting-edge technology and tools
  • Recognition and rewards for outstanding performance
  • Opportunities for career advancement and leadership development
  • Comprehensive benefits package (e.g., medical, dental, vision, 401(k))
  • Generous paid time off (e.g., vacation, sick leave, holidays)
  • Access to employee assistance programs (e.g., mental health resources, financial planning)
  • Opportunities for community involvement and volunteer work
  • Flexible work arrangements (e.g., telecommuting, flexible hours)
  • Access to on-site amenities (e.g., fitness center, cafeteria, game room)
  • Professional development opportunities (e.g., training, mentorship, coaching)
  • Recognition and rewards for outstanding performance
  • Opportunities for career advancement and leadership development
  • Comprehensive benefits package (e.g., medical, dental, vision, 401(k))
  • Generous paid time off (e.g., vacation, sick leave, holidays)
  • Access to employee assistance programs (e.g., mental health resources, financial planning)
  • Opportunities for community involvement and volunteer work
  • Flexible work arrangements (e.g., telecommuting, flexible hours)
  • Access to on-site amenities (e.g., fitness center, cafeteria, game room)
  • Professional development opportunities (e.g., training, mentorship, coaching)
  • Recognition and rewards for outstanding performance
  • Opportunities for career advancement and leadership development
  • Comprehensive benefits package (e.g., medical, dental, vision, 401(k))
  • Generous paid time off (e.g., vacation, sick leave, holidays)
  • Access to employee assistance programs (e.g., mental health resources, financial planning)
  • Opportunities for community involvement and volunteer work
  • Flexible work arrangements (e.g., telecommuting, flexible hours)
  • Access to on-site amenities (e.g., fitness center, cafeteria, game room)
  • Professional development opportunities (e.g., training, mentorship, coaching)
This listing is enriched and indexed by YubHub. To apply, use the employer's original posting: https://jobs.ashbyhq.com/openai/6ccb669b-7c0c-4531-819b-47fb0a5c9dbd