Software Engineer – Machine Learning (AI Training)

About The Role What if your machine learning expertise could directly influence how the most advanced AI systems in the world think, reason, and write code? We're looking for experienced ML engineers in São Paulo and across Brazil to evaluate AI-generated machine learning solutions — catching errors, improving quality, and helping frontier AI models get genuinely better at one of the hardest things they do. This is a fully remote, flexible contract role. Work asynchronously on your own schedule, from wherever you are. No fixed hours, no meetings — just high-impact, expert work that matters. Organization: Alignerr
Type: Hourly Contract
Location: Remote (Brazil)
Commitment: Flexible, project-based What You'll Do Review and evaluate AI-generated machine learning code — including Python, TensorFlow, PyTorch, and scikit-learn — for correctness, efficiency, scalability, and clarity
Write high-quality ML solutions to modeling, data processing, and deployment problems across a rang...