Dataset Curator – AI & ML Data Specialist

About the role

We are looking for a Dataset Curator to design, maintain, and optimize high‑quality datasets that power AI, Machine Learning and Large Language Model projects. You will work closely with data scientists, AI trainers and engineers to ensure data is accurate, unbiased and ready for model training and evaluation.

Key responsibilities

• Curate, collect and structure datasets for AI/ML training.
• Validate dataset accuracy, completeness and consistency.
• Annotate and label data according to project guidelines.
• Identify and correct inconsistencies, duplicates and anomalies.
• Maintain metadata, documentation and version control for all datasets.
• Collaborate with AI trainers and data engineers to define dataset requirements.
• Ensure datasets are ethically sourced and free from bias.
• Continuously monitor dataset quality and propose improvements.

Required profile

• Bachelor’s or Master’s degree in Data Science, Computer Science, Statistics, Information Systems or related field.
• 3‑5 years of experience in dataset curation, data analysis or data management.
• Experience handling large‑scale datasets for AI, ML or analytics projects.
• Knowledge of data cleaning, normalization and transformation techniques.
• Familiarity with data annotation tools and platforms.
• Understanding of structured, semi‑structured and unstructured data.
• Experience with database management and version‑control systems.
• Awareness of AI dataset ethics and bias mitigation.

Required skills

• Excel
• Google Sheets
• SQL
• Python
• Data cleaning and transformation
• Data annotation tools
• Metadata management
• Database management
• Version control systems