> Markdown version of [/jobs/ext/1248265-senior-data-scientist](https://www.wearedevelopers.com/jobs/ext/1248265-senior-data-scientist). 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). --- # Senior Data Scientist - **Company:** Xebia USA Inc. - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** A/B Testing, Artificial Intelligence, Big Data, Information Engineering, Python (Programming Language), Machine Learning, Recommender Systems, Tensorflow, Standard Sql, Google Cloud, Pytorch, Scikit Learn, Xgboost, Machine Learning Operations - **Published:** July 12, 2026 - **Apply:** https://arc.dev/remote-jobs/j/redirect/p41ctuuzuw ## About the Role * experience in applying machine learning to real products, with a track record of models that shipped and made a measurable difference, * strong Python and SQL skills, with fluency in the modern ML stack (e.g. scikit-learn, XGBoost, PyTorch, or TensorFlow), * solid grounding in statistics and experimentation - you can design an A/B test, reason about bias and variance, and know when a result is meaningful, * experience with large-scale data and cloud ML tooling; Google Cloud and Vertex AI experience are strong advantages, * clear communication skills - you can explain a model to an engineer and its impact to an executive. Work from the European Union region and a work permit are required. Nice to have: * background in adtech, real-time bidding, recommender systems, or marketing/measurement science, * experience with feature stores, MLOps pipelines, or moving from ad-hoc notebooks to reproducible workflows. ## Description * designing, training, and evaluating models for bidding, forecasting, targeting, and outcome optimization across our streaming and CTV advertising platform, * designing and analyzing A/B tests and online experiments; connecting model performance to revenue and advertiser results, not just offline metrics, * turning raw campaign, audience, and supply data into robust, reusable features - and helping define them once in a shared feature store instead of rebuilding them per project, * collaborating with MLOps and Data Engineering teams to get models into production on Vertex AI and staying accountable for how they perform once live, * working with product owners and business stakeholders to frame problems, size opportunities, and translate model behavior into plain language. ## Related Videos - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [TikTok's Privacy Innovation](https://www.wearedevelopers.com/videos/1036-tiktok-s-privacy-innovation) - [Photonic Computing: Programming a New Class of AI Accelerators (incl. Live Coding)](https://www.wearedevelopers.com/videos/100196-photonic-computing-programming-a-new-class-of-ai-accelerators-incl-live-coding) - [Geometric deep learning for drug discovery](https://www.wearedevelopers.com/videos/264-geometric-deep-learning-for-drug-discovery) - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) ## Related Articles - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Jobs in Tech: The State of the European Market](https://www.wearedevelopers.com/magazine/575-jobs-in-tech-the-state-of-the-european-market)