Data Scientist – AI Model Training & Evaluation

About this role

About The Role
We're looking for data scientists based in Germany to help train, evaluate, and improve next-generation AI systems. Your quantitative expertise will directly influence how state-of-the-art AI models reason, analyze, and communicate — making a real and lasting impact on the future of artificial intelligence.

• Organization: Alignerr
• Type: Hourly Contract
• Location: Remote
• Commitment: 10–40 hours/week

What You'll Do

• Evaluate AI model outputs for accuracy, reasoning quality, and statistical soundness
• Design and apply data-driven evaluation criteria and scoring rubrics
• Analyze patterns in AI-generated responses to identify systematic errors or biases
• Create high-quality training data including prompts, solutions, and annotations in your areas of expertise
• Provide structured, detailed feedback to improve model performance across data science and analytical tasks
• Review AI-generated code, visualizations, and statistical analyses for correctness
• Work independently and asynchronously on your own schedule

Who You Are

• Degree in Data Science, Statistics, Computer Science, Mathematics, or a related quantitative field (MS or PhD preferred)
• Strong foundation in statistics, probability, and machine learning concepts
• Proficient in Python, R, SQL, or similar data analysis tools
• Experienced with data wrangling, exploratory data analysis, and model evaluation
• Excellent analytical thinking with sharp attention to detail
• Strong written communication in English — able to explain complex technical concepts clearly and simply
• Self-motivated and comfortable working independently

Nice to Have

• Experience with deep learning frameworks such as PyTorch or TensorFlow
• Familiarity with NLP, large language models, or AI evaluation workflows
• Published research or industry experience in applied machine learning
• Background in A/B testing, causal inference, or experimental design

Why Join Us

• Work on cutting-edge...