Freelance Machine Learning AI Trainer (Python)

Master’s or PhD Degree in Computer Science, Mathematics, Physics, Engineering, or a similar STEM field. At least 5 years of Machine Learning experience with proven business impact. Strong programming skills in Python (numpy, pandas, scipy, sklearn). Solid understanding of numerical methods and computational algorithms. Research or industry experience involving computational problem-solving. Advanced (C1) or above level of English. Ready to learn new methods, able to switch between tasks and topics quickly, and sometimes work with challenging, complex guidelines. Must be residing in Brazil.

Design original computational STEM problems that simulate real scientific workflows. Create problems that require Python programming to solve. Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes. Develop problems requiring non-trivial reasoning chains and creative problem-solving approaches. Verify solutions using Python with standard libraries (numpy, pandas, scipy, sklearn). Document problem statements clearly and provide verified correct answers.