Senior Data Analyst Lead – Data Annotation

Join Milestone and build technology that pushes boundaries and empowers businesses worldwide.  

Impact & Purpose

Do you want to contribute to the AI computer vision of 2026 and beyond? If you envision that your next role will shape the future of visual machine learning and do it responsibly and with real-world impact… then please keep reading 

Location: Barcelona, Spain.

Role Summary

As a Senior Data Analyst in Hafnia, you will own and drive our data annotation operations end-to-end. You will be responsible for designing, optimizing, and scaling annotation workflows, ensuring high data quality through robust metrics and controls, and leveraging automation and AI-assisted tooling to forecast capacity and accelerate delivery. Acting as the technical and operational authority, you will bridge data engineering, annotation operations, and AI development to ensure our datasets meet the highest standards of quality, compliance, and efficiency. 

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