Staff ML Engineer – Finetune NLP at Scale

Slack is seeking a Staff ML Engineer with deep expertise in model training and finetuning to design, train, and ship NLP models powering core product experiences. This hands-on role owns the full lifecycle—from experiment to production—emphasizing scalable finetuning pipelines and robust reliability. Ideal candidates will have 5+ years in NLP model training, strong PyTorch/TensorFlow/JAX skills, and production-scale experience shipping models to users.