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Data Annotator Analyst – London

Data Annotator Analyst – London

On site

London, United kingdom

£ 27 /hour

Freelance

07-01-2026

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Skills

Python Attention to detail Machine Learning Programming Analytical Skills AWS PySpark

Job Specifications

Data Annotator Analyst – London

Expedia Group are looking for a Data Annotator / Data Analyst to support the development and evaluation of AI and machine learning solutions. In this PAYE role, you will be responsible for annotating datasets, ensuring data quality, and collaborating with data scientists and engineers to improve model performance. Onsite work 3-4 days a week. PAYE

Annotate and label datasets for various AI and machine learning use cases
Ensure high-quality, consistent, and accurate annotations following defined guidelines
Analyze annotated data to identify patterns, issues, and opportunities for improvement
Work closely with data scientists and ML engineers to refine annotation strategies
Use annotation tools (e.g., Label Studio or similar) to manage and review datasets
Perform basic data processing and validation using Python and related technologies

Essential:

Bachelor’s degree or equivalent
Experience annotating datasets for AI or machine learning problems
Hands-on experience with annotation tools (e.g., Label Studio or similar platforms)
Strong attention to detail and analytical skills
Ability to work independently and collaborate within cross-functional teams
Some knowledge of programming languages such as Python (preferred)
Experience with data processing technologies such as PySpark (preferred)
Familiarity with AWS services and cloud-based data workflows (preferred)

Click apply now to be considered for the Data Annotator Analyst – London role

About the Company

At Expedia Group (NASDAQ: EXPE), we believe travel is a force for good - it opens minds, builds connections, and bridges divides. We create transformative tech that enables unforgettable experiences for all travelers, everywhere. Our trusted family of brands are known and loved by millions, and we power more trips than anyone else. To learn more about our vision of a more open world through travel, visit www.expediagroup.com. We're committed to providing an inclusive and accessible recruiting experience for candidates with d... Know more