Senior Research Engineer (Code World Models)

📋 Description Design, pre-training, continued pre-training, and mid-training experiments for code models. Build data pipelines for large-scale model training, including filtering and quality checks. Work with code corpora, repositories, tests, execution traces, and synthetic data. Develop evaluations for complex repository-level code reasoning tasks. Collaborate with researchers and engineers working on ML for code and AI developer tools. 🎯 Requirements Hands-on experience with model pre-training, continued training, or mid-training. Strong engineering skills in Python and experience with modern ML frameworks. Understand large-scale ML training workflows: data processing, distributed training, evaluation, and debugging. Experience with large datasets and data quality: contamination, sampling, and reproducibility. Background in NLP, ML for software engineering, or a similar domain. Enjoy researching problems with high uncertainty and turning ideas into experiments. 🎁 Benefits Equal opportunity employer Open and inclusive workplace Recruitment Privacy Policy