> Markdown version of [/jobs/ext/3749450-staff-machine-learning-engineer](https://www.wearedevelopers.com/jobs/ext/3749450-staff-machine-learning-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Machine Learning Engineer - **Company:** Pinterest - **Location:** San Francisco, CA, United States (Remote available) - **Experience:** Expert - **Salary:** $227,871.0 - **Contract:** Permanent contract - **Skills:** Machine Learning, Recommender Systems, Reinforcement Learning, Large Language Models, Information Technology - **Published:** October 15, 2026 - **Apply:** https://diversityjobs.com/career/18642329/Staff-Machine-Learning-Engineer-California-San-Francisco ## About the Role * MS/PhD in Computer Science, or equivalent industry experience * Minimum 6 years of relevant industry experience * Hands-on experience with large-scale recommendation system and reinforcement learning applications; experience with LLM/VLM post-training is a plus * Technical leadership and experience in driving ambiguous research problems into production deliverables * Publications at top ML conferences (e.g. KDD, NeurIPS, RecSys, etc.) * Cross-functional collaborator and strong communicator ## Description * Contribute to cutting-edge AI/ML research that can be applied to Pinterest challenges across Ads, Discovery, Growth, and Search. * Identify, scope, architect, build, and deliver full, novel ML solutions from 0 to 1 at scale. Identify timelines and obtain resources needed. * Identify new and upcoming research opportunities by interacting with external and internal collaborators. Own long-term research strategy and plans to expand the impact of Applied Science. * Act as a technical leader in the applied AI space. partner with Product, Engineering, and Data Science to translate complex engineering solutions into product impact., * We recognize that the ideal environment for work is situational and may differ across departments. What this looks like day-to-day can vary based on the needs of each organization or role. * This role will need to be in the office for in-person collaboration 1-2 times/quarter and therefore can be situated anywhere in the country.