Applied Scientist • Senior

Who you are

You have a strong background in machine learning and deep learning, with hands-on experience designing and training transformer-based models. Your expertise allows you to reason over complex user interactions and infer intent from sparse data. You are proficient in Python and have experience with large-scale data systems, enabling you to construct high-quality learning targets from weak signals.

You thrive in a collaborative environment, working alongside engineers and scientists to push the boundaries of scalable training and model serving. Your understanding of marketplace dynamics and ad ecosystems equips you to contribute to revenue-driving solutions. You are passionate about applying your skills to real-world problems and making a measurable impact in a large-scale ads ecosystem.

What you'll do

In this role, you will design and train sophisticated machine learning models that power ad ranking and optimization. You will own end-to-end ML systems, from data construction to model evaluation, ensuring that your models remain robust under various marketplace conditions. You will collaborate with cross-functional teams to ship production-grade models and data pipelines that enhance advertiser ROI.

You will be responsible for shaping next-generation transformer architectures and developing training pipelines that effectively transform user engagement signals into actionable insights. Your work will directly influence how users interact with ads, from initial impressions to post-click engagement. You will also engage in rigorous offline and online evaluations to validate the effectiveness of your models.

What we offer

At Microsoft, you will be part of a team that values innovation and collaboration. We offer competitive compensation and benefits, along with opportunities for professional growth and development. You will work in a dynamic environment where your contributions will have a significant impact on the company's advertising strategies and user engagement metrics. Join us to help shape the future of advertising technology.