Senior ML/AI Engineer

Poseidon is building the data infrastructure the next generation of AI will depend on, and they are seeking a Senior AI / ML Engineer to help build the core platform that powers their machine learning workflows. The role involves creating production systems that transform raw multimodal data into production-ready training datasets and AI capabilities.

Responsibilities:

• Build scalable pipelines for multimodal data processing and model training
• Productionize research workflows so models and training processes can run reliably in production
• Design infrastructure that supports data ingestion, annotation, labelling, dataset generation, and model fine-tuning
• Build internal services and tooling used by researchers to run training and evaluation workflows
• Optimize GPU and compute utilization across training pipelines
• Implement monitoring, logging, and observability across ML systems
• Ensure pipelines are reproducible, performant, and production ready