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Russell Tobin

Data Analyst

Hybrid

London, United kingdom

Junior

Freelance

13-01-2026

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Skills

Python Attention to detail Machine Learning Programming Analytical Skills AWS PySpark

Job Specifications

11 months contract/PAYE is £218.78 per day/hybrid/remote

Job Title: Data Annotator / Data Analyst

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)
Attention to detail and strong analytical skills
Ability to work independently and collaborate within cross-functional teams
Some knowledge of programming languages such as Python is preferred
Experience with data processing technologies such as PySpark is preferred
Familiarity with AWS* services and cloud-based data workflows is preferred

About the Company

Bring Top Talent With Your Company With Russell Tobin Headquartered in New York City with offices throughout the United States, United Kingdom, Ireland, The Netherlands, Brazil, Canada, India, and Singapore, Russell Tobin--a division of Pride Global--offers total staffing and recruitment solutions across a wide range of industries. Our team of highly skilled recruiters, sourcers, and subject-matter experts understand exactly how to find world-class candidates that will fit your company's precise needs. Whether you need skill... Know more