Principal Data Scientist - KGM

Founded in 2012, H2O.ai is on a mission to democratize AI. As the world’s leading agentic AI company, H2O.ai converges Generative and Predictive AI to help enterprises and public sector agencies develop purpose-built GenAI applications on their private data. With a focus on Sovereign AI—secure, compliant, and infrastructure-flexible deployments—H2O.ai delivers solutions that align with the highest standards of data privacy and control.

Our open-source technology is trusted by over 20,000 organizations worldwide, including more than half of the Fortune 500. H2O.ai powers AI transformation for companies like AT&T, Commonwealth Bank of Australia, Chipotle, Workday, Progressive Insurance, and NIH.

H2O.ai partners include NVIDIA, Dell Technologies, Deloitte, Ernst & Young (EY), Snowflake, AWS, Google Cloud Platform (GCP), VAST Data and MinIO. H2O.ai’s AI for Good program supports nonprofit groups, foundations, and communities in advancing education, healthcare, and environmental conservation. With a vibrant community of 2 million data scientists worldwide, H2O.ai aims to co-create valuable AI applications for all users.

H2O.ai has raised 256 million from investors, including Commonwealth Bank, NVIDIA, Goldman Sachs, Wells Fargo, Capital One, Nexus Ventures and New York Life.

For more information, visit www.h2o.ai.

About This Opportunity

As a member of the Grandmaster team you have an opportunity to work with an incredible team of world class talents and interact with all departments at H2O, like engineering, sales or customer data science. The team has world wide coverage with members from the US west coast to Australia/Singapore.

The team is very agile and you can contribute to H2O.ai’s success in many different ways:

• Help our research efforts in GenAI especially foundation modeling, datasets and improving agentic workflows.
• Improve H2O AI products integrating your tricks or create new apps to solve use-cases you have experience with.
• Help pre-sales team during PoCs to close deals.
• Support our customers framing new use-cases and get the best out of H2O AI platform.
• Learn new techniques competing in AI challenges.
• Share your unique knowledge or skills with the team and data scientists.
• Expand our community: write blog posts, share videos or interview domain experts in AI.

You can impact one, some or all of the activities above and experience with customers is a plus.

This position is based in Europe.

What You Will Do

• Contribute to the foundation modeling effort, either in Tabular, TimeSeries, SLMs or Vision-Language.
• Lead end-to-end customer projects and PoCs (Proof of Concepts) to accelerate revenue growth.
• Provide expert consultation to customers, framing complex AI use-cases, and ensuring maximum value from the H2O AI platform.
• Represent H2O.ai in executive-level discussions and customer calls.
• Work on projects in cutting-edge areas like: Generative AI applications (e.g., custom foundation model training, advanced RAG systems) or Enterprise-scale computer vision and NLP solutions.
• Contribute to thought leadership and regional/worldwide awareness of H2O's offerings through high-impact activities.
• Are recognized as an expert in one or several domains like Generative AI, NLP/LLM, computer vision, or AutoML.

What We Are Looking For

Education and Experience

• Bachelor’s or a higher education degree in Computer Science/Engineering, data science, statistics or related field.
• Competition/Notebook Grandmasters are preferred but we also love Competition Masters who exhibited great skills and knowledge.

Data Science / Machine Learning Skills

• Deep learning frameworks: pyTorch or TensorFlow
• Generative AI, LLM, multi-modal NLP, computer vision, tabular IID, timeseries, feature engineering.
• Model interpretability, validation, and backtesting.
• Exploratory data analysis (EDA) and data visualization.
• Scikit-learn, GBMs, linear models

Advanced Compute/Engineering Skills

• Proficient with cloud computing environments, particularly AWS.
• Familiar with executing large-scale deep learning models across multiple GPUs.
• Strong proficiency in Git and collaborative development workflows, including pull requests and code review processes.

Additional Requirements

• Proficient in spoken and written English.
• Experience of working in a customer-facing environment is a plus.
• Great communication skills
• Aptitude to independently investigate and find solutions to technical problems.
• Maker mindset
• Humble and open to others’ ideas or suggestions.

Why H2O.ai?

• Market Leader in Total Rewards
• Remote-Friendly Culture
• Flexible working environment
• Be part of a world-class team
• Career Growth

H2O.ai is committed to creating a diverse and inclusive culture. All qualified applicants will receive consideration for employment without regard to their race, ethnicity, religion, gender, sexual orientation, age, disability status or any other legally protected basis.

H2O.ai is an innovative AI cloud platform company, leading the mission to democratize AI for everyone. Thousands of organizations from all over the world have used our cutting-edge technology across a variety of industries. We’ve made it easy for people at all levels to generate breakthrough solutions to complex business problems and advance the discovery of new ideas and revenue streams. We push the boundaries of what is possible with artificial intelligence.

H2O.ai employs the world’s top Kaggle Grandmasters, the community of best-in-the-world machine learning practitioners and data scientists. A strong AI for Good ethos and responsible AI drive the company’s purpose.

Please visit www.H2O.ai to learn more.