OpenAI · 3 days ago
Research Engineer, Notifications
San Francisco, CA
Full-time
Hybrid
Mid, Senior Level
$325K/yr - $590K/yrOpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. The role involves building and scaling intelligent notification systems, focusing on ranking and recommendation systems to enhance user experience with ChatGPT.
Artificial Intelligence (AI)Generative AIMachine LearningNatural Language ProcessingSaaS
Responsibilities
Design and build end-to-end ranking and recommendation systems for notifications, from modeling to evaluation and deployment
Apply and adapt LLMs to ranking problems, including prompt-based approaches and fine-tuning
Develop experiments to evaluate notification relevance, user value, and long-term impact, working closely with product, data science, and engineering teams
Collaborate with research teams to leverage the latest modeling techniques while balancing practical constraints of production systems
Build robust offline and online evaluations to measure system improvements and user outcomes
Contribute to the broader Growth ML stack and help set technical direction for intelligent user engagement systems
Qualification
Required
Strong ML fundamentals
Experience shipping ranking or recommendation systems in production
Exposure to LLMs
Sharp product intuition
Comfortable operating across research and product boundaries
Ability to think from first principles
Experience running rigorous experiments
Ability to build scalable systems
Hands-on experience building and deploying ranking, recommendation, or personalization systems at scale
Deep understanding of machine learning and its applications
Experience in experimentation, A/B testing, and analyzing impact on user behavior and business metrics
Comfortable diving into large ML codebases
Ability to design evaluations and debug complex modeling issues
Ability to thrive in dynamic, fast-changing environments
Ability to balance modeling sophistication with product impact
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.
Founded in 2015
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
Sam Altman
CEO & Co-Founder
Greg Brockman
President, Chairman, & Co-Founder
Recent News
2026-01-06
2026-01-06
The Motley Fool
2026-01-06
Company data provided by crunchbase