Senior Data Scientist

Haystack News is seeking a Senior Data Scientist to enhance user experiences through advanced algorithms and data analysis. You will apply your expertise in statistical modeling, causal inference, and experimental design to drive significant improvements in user engagement and retention, directly impacting our product's success. This role offers a unique opportunity to solve complex problems and contribute to the future of news consumption in a fast-growing company.

• Build statistical and machine learning models for content discovery and user engagement
• Apply causal inference methods to measure product impact
• Design, execute, and analyze A/B tests to validate product changes
• Develop new ML features using GenAI, LLMs, and embeddings
• Translate offline analysis into product decisions and measurable improvements
• Proficiency in Python analytics stack, SQL, and ML packages