Applied AI Engineer, Codex

OpenAI
Paris
Workplace: HybridFull timeFunction: Data Science & Machine LearningSkills: ["Technical judgment","Hands-on engineering","Customer leadership","Clear communication","High agency"]

Partner with engineering organizations to design, build, and deploy Codex-powered AI systems that improve the full software development lifecycle. You’ll work hands-on on prototypes, evaluation harnesses, integrations, workflow automations, and production accelerators—often using Codex itself. Collaborate across Product, Research, Engineering, Security, and Sales, translate real deployments into product/model feedback, and drive adoption measured by reliable production systems and measurable engineering productivity gains.

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FursaFursa
OpenAI
OpenAI
13 hours ago

Applied AI Engineer, Codex

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 13 hours agoStatus: Live

Job Summary

Partner with engineering organizations to design, build, and deploy Codex-powered AI systems that improve the full software development lifecycle. You’ll work hands-on on prototypes, evaluation harnesses, integrations, workflow automations, and production accelerators—often using Codex itself. Collaborate across Product, Research, Engineering, Security, and Sales, translate real deployments into product/model feedback, and drive adoption measured by reliable production systems and measurable engineering productivity gains.
Location: Paris
Workplace: Hybrid
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Identify high-value Codex opportunities and translate them into technical architectures, implementation plans, evaluation strategies, and success criteria.
  • •Design, build, and deploy AI-powered software development workflows that improve planning, writing, testing, review, debugging, and delivery.
  • •Build hands-on prototypes, evaluation harnesses, reference implementations, integrations, workflow automations, and production accelerators—often using Codex.
  • •Help customers progress from experiments to reliable production workflows with sustained developer adoption and scaled impact.
  • •Lead technical deep dives, workshops, and enablement, and translate real-world deployment insights into product proposals, model feedback, and technical requirements.

Pay and Benefits

Perks:Relocation

Key Requirements

  • •Demonstrated track record designing, building, and delivering software or AI systems in enterprise environments, taking systems from prototype to production.
  • •Substantial personal contributions in code, architecture, evaluation, debugging, integrations, or production engineering (not only enablement).
  • •Proficiency in Python and comfort working across modern software development environments; experience with JavaScript/TypeScript is valuable.
  • •Strong ability to evaluate AI coding systems systematically, including representative tasks, automated evaluations, production signals, and developer feedback.
  • •Ability to navigate enterprise production requirements across reliability, observability, security/privacy, data governance, performance, and cost.
Experience:Enterprise environmentsApplied AIML engineeringDeveloper toolingCustomer engineering
Skills:Technical judgmentHands-on engineeringCustomer leadershipClear communicationHigh agency
Languages:EnglishFrench
Tech Stack:PythonJavaScriptTypeScriptCodexAI systems

Company Brief

OpenAI
Develops and deploys advanced generative AI models (including ChatGPT and DALL·E) and AI infrastructure, providing APIs and consumer products to accelerate safe AGI for broad benefit.
Industry: AI & Machine Learning
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Scaleup
Valuation: Hectocorn (USD 100B+)
Funding: Series E+
Headquarters: San Francisco, United States
Founded: 2015
Glassdoor
Glassdoor: 4.4
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