OpenAI · 4 hours ago
Software Engineer, Monetization AI/ML (SF/Seattle)
San Francisco, CA
Full-time
Onsite
Senior Level
6+ years expOpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. They are seeking experienced Software Engineers to build foundational ads ranking and recommendation systems using ML and AI techniques.
Agentic AIArtificial Intelligence (AI)Foundational AIGenerative AIMachine LearningNatural Language ProcessingSaaS
Responsibilities
Architect, build, and evolve large-scale ads ranking and recommendation systems using modern ML and AI techniques
Design and productionize LLM- and transformer-inspired models that leverage sequential signals, long-horizon context, and sparse or delayed feedback
Develop model-driven decision logic and inference pipelines that operate under real-world constraints around performance, reliability, and privacy
Partner closely with Product, Design, and Research to define requirements and translate ambiguous product goals into scalable ML systems
Prototype, experiment, and rapidly iterate on new model architectures and training approaches to improve relevance, quality, and efficiency
Build services and infrastructure that support training, evaluation, online inference, and continuous optimization of ML models
Establish strong measurement, experimentation, and debugging practices to understand model behavior and system-level outcomes
Contribute to technical strategy and help shape the long-term evolution of OpenAI’s monetization and recommendation stack
Embed safety, fairness, and policy considerations directly into model design and system architecture from first principles
Qualification
Required
6+ years of experience building and scaling ML-powered systems in production environments
Experience working on ranking, recommendation, ads, marketplaces, or large-scale ML inference systems
Comfortable operating across the full stack — from model development to backend services and production deployment
Enjoy deeply technical 0→1 problem spaces where architecture, strategy, and implementation are still being invented
Strong intuition for ML and system design tradeoffs, and can reason about long-term scalability and maintainability
Ability to communicate clearly, collaborate effectively across disciplines, and think holistically about system behavior
Benefits
Relocation assistance
Company
OpenAI
OpenAI is an AI research and deployment company that develops advanced AI models, including ChatGPT. It is a sub-organization of OpenAI Foundation.
201-500 employees
H1B Sponsorship
OpenAI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (1)
2023 (1)
2022 (18)
2021 (10)
2020 (6)
Funding
Current Stage
Growth StageTotal Funding
$79BKey Investors
The Walt Disney CompanySoftBankThrive Capital
2025-12-11Corporate Round· $1B
2025-10-02Secondary Market· $6.6B
2025-03-31Series Unknown· $40B
Leadership Team
Fidji Simo
CEO, Applications
Sam Altman
CEO & Co-Founder
Recent News
2026-01-25
MIT Technology Review
2026-01-25
MIT Technology Review
2026-01-25
Company data provided by crunchbase