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Data Annotator Analyst – AI / Machine Learning – Expedia Group

Data Annotator Analyst – AI / Machine Learning – Expedia Group

Hybrid

London, United kingdom

Junior

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 – AI / Machine Learning – Expedia Group

Location: London (hybrid working)

Duration: End of 2026

Pay: £223.18/day

About the Role

We are looking for a Data Annotator / Data Analyst to support the development and evaluation of AI and machine learning solutions. In this role, you will be responsible for annotating datasets, ensuring data quality, and collaborating with data scientists and engineers to improve model performance.

Key Responsibilities

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

Qualifications

Bachelor’s degree
2+ years of 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)

About the Company

Understanding the complexities of the work landscape and how to utilise the extended workforce to drive organisational success is our expertise. Whether you need access to inspired talent or help designing and managing a scalable contingent workforce programme, we have proven solutions and services, custom-designed to solve your business challenges. Know more