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Harvey Nash
Data Analyst

Data Analyst

Hybrid

London, United kingdom

£ 27 /hour

Junior

Freelance

10-01-2026

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Skills

Python Machine Learning Programming AWS PySpark

Job Specifications

Job Title: Data Analyst / Data Annotator

Location: Angel Building, The, 407 St John St, London EC1V 4EX, United Kingdom

Mode of working: Hybrid (2 to 3 Days in the Office)

Duration: 12+ Months contract.

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
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

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)
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

We’re Harvey Nash, and we build amazing technology and digital teams. From senior appointments through to recruitment and project solutions, we are experts in the tech sector. Established in 1988, we have helped over half the world’s leading companies recruit, retain, source and manage the highly skilled tech talent they need to succeed in an increasingly competitive, global and technology driven world. With over 3.300 staff in more than 49 offices across Europe, Asia-Pacific and the U.S and Canada, we have built a rep... Know more