Senior Data Pipeline Engineer, Web Pretraining

Cohere is seeking a Senior Member of Technical Staff focused on web data for pre-training. You will design and own the data pipeline, transforming raw, noisy internet data into clean training data for language models.

You will optimize extraction, parsing, deduplication and filtering while assessing data quality to improve model performance. You will partner with data and evaluation teams to iterate on the corpus, ensuring robust, scalable pipelines that support Cohere’s mission in enterprise