> Markdown version of [/jobs/ext/3037657-principal-data-scientist](https://www.wearedevelopers.com/jobs/ext/3037657-principal-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). --- # Principal Data Scientist - **Company:** SKOOL INC. - **Location:** Los Angeles, CA, United States (Remote available) - **Contract:** Permanent contract - **Skills:** Data Analysis, Python (Programming Language), Search Algorithms, Machine Learning, Scikit Learn, Real Time Data - **Published:** September 23, 2026 - **Apply:** https://arc.dev/remote-jobs/j/redirect/pm2yexvh63 ## About the Role * You have deep data science experience and a track record of using analysis, experiments, and models to grow a consumer product * You have hands-on experience building recommendation, matchmaking, ranking, or personalization systems * You have experience optimizing advertising campaigns, acquisition, or other performance marketing systems * You have a strong foundation in machine learning and statistical modeling using tools such as Python / scikit-learn * You favor quick action and experimentation over long analysis and can build enough conviction in your work to bet on it * You are comfortable managing real budget, being wrong, learning quickly, and making the next bet * You can own ambiguous problems, decide what matters, and move without waiting for permission * You are strong at data analysis and tool-agnostic. You care about accurate results and business impact more than a specific stack * You can write enough production-quality code to implement or partner closely on real-time solutions when offline analysis isn't enough ## Description * Own data science work across growth, product, and user engagement, from analysis through measured results * Partner with Growth to optimize advertising daily, including adjusting spend, placing bets, and measuring lift * Build and improve recommendation, matchmaking, ranking, feed, and search algorithms that drive engagement and revenue * Design and run experiments, analyze results, and turn findings into clear product and business decisions * Develop predictive models for user intervention, activation, retention, and other key funnels * Use real-time data to find opportunities, test ideas quickly, and refine models based on outcomes ## Related Videos - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Overview of Machine Learning in Python](https://www.wearedevelopers.com/videos/840-overview-of-machine-learning-in-python) - [Python-Based Data Streaming Pipelines Within Minutes](https://www.wearedevelopers.com/videos/1233-python-based-data-streaming-pipelines-within-minutes) - [How We Built a Machine Learning-Based Recommendation System (And Survived to Tell the Tale)](https://www.wearedevelopers.com/videos/752-how-we-built-a-machine-learning-based-recommendation-system-and-survived-to-tell-the-tale) - [Data Science on Software Data](https://www.wearedevelopers.com/videos/162-data-science-on-software-data) - [Getting Started with Machine Learning](https://www.wearedevelopers.com/videos/260-getting-started-with-machine-learning) ## Related Articles - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [MLops – Deploying, Maintaining And Evolving Machine Learning Models in Production](https://www.wearedevelopers.com/magazine/115-mlops-deploying-maintaining-and-evolving-machine-learning-models-in-production) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How to start an AI project for a good cause and boost your career](https://www.wearedevelopers.com/magazine/15-how-to-start-an-ai-project-for-a-good-cause-and-boost-your-career)