Summary: Appodeal is seeking an experienced Lead Data Scientist to drive data science vision, guide growth, and oversee model development for ad-tech and revenue optimization. Highlights: 1. Opportunity to work on cutting-edge projects with global impact 2. Collaborative and inclusive work culture valuing innovation 3. Professional development and career growth prospects **Appodeal** is a dynamic US\-based product company with a truly global presence. We have offices in **Warsaw, Barcelona and Parkland (FL),** along with remote team members located around the world. Our company thrives on diversity, collaboration, and innovation, making us a leader in the mobile app monetization space. **Why Appodeal?** At Appodeal, we're more than just a company—we're a team united by a common mission: **Help people discover and grow their talents through products that enable successful mobile app businesses!** We take pride in our cutting\-edge product and our internationally dispersed team of talented professionals. Here's what we value, and what we hope you do too: * **Continuous Learning and Growth:** We are passionate about learning, growing personally, and building rewarding careers. * **Making an Impact:** We are committed to building a history\-defining company that leaves a lasting impact on the mobile app industry. * **Solving Exciting Challenges:** We tackle complex problems every day, supported by a team of world\-class professionals and mentors. * **Enjoying the Journey:** We believe in having fun while working toward our goals. We are looking for an experienced **Lead Data Scientist** to add to our **Data Science team.** **Responsibilities:** * Drive the team's data science vision and ensure alignment with business goals, focusing on ad\-tech and revenue optimization. * Guide and support the growth of data scientists, fostering a collaborative and innovative environment. * Oversee the development of scalable, high\-impact models for ad targeting, bid strategy, and performance analysis. * Ensure the efficiency and relevance of data pipelines and models, adapting to the dynamic tech landscape. **Technology Stack:** * Proficiency in Python and SQL. * Experience with manipulation frameworks such as PySpark and Pandas. * Skilled at using cloud services such as AWS, etc. * Hands\-on experience in DNN models training libraries and frameworks (PyTorch, Hydra, comet etc.) **Qualifications:** * Bachelor's or Master's degree in Computer Science, Statistics, Mathematics, or a related field. * 5\+ years of experience in data science, preferably in a product\-focused environment. * 2\+ years experience in AdTech. * 2\+ years experience in a leading role. * Strong analytical skills with the ability to derive insights from complex datasets. * Proficiency in statistical modeling and machine learning techniques. * Excellent communication and collaboration skills, with the ability to work effectively in a cross\-functional team environment. * Based **in Barcelona, Spain** or ready for **relocation.** **Why Join Us:** * Opportunity to work on cutting\-edge projects with a global impact in the mobile app industry. * A collaborative and inclusive work culture that values innovation and continuous learning. * Competitive salary, flexible work arrangements, and comprehensive benefits package. * Professional development opportunities and career growth prospects within a fast\-growing company. With an outstanding product and a mission that excites and inspires, Appodeal offers a unique opportunity to make an impact while being part of an amazing team. **Join us** and help shape the future of mobile app success!