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AI Data Annotation and SQL Specialist

Data Analyst Freelance Global. All countries welcome.

Job details

Not specified Salary
Global. All countries welcome. Eligibility
Not specified Experience
Freelance Employment

About this role

Role overview

Support the improvement of AI models by preparing and checking the data used to train them. The work combines careful annotation and review with SQL queries and analysis, drawing on subject knowledge to help make training data accurate and useful.

Responsibilities

- Label data across projects to support model training. - Check AI-generated content for accuracy and consistency. - Use SQL to retrieve, transform, and analyze datasets for training needs. - Apply relevant subject expertise to improve model performance across different fields. - Coordinate with other teams to maintain data quality for machine learning work.

Requirements

- Proficiency in SQL and experience working with databases. - Prior experience in data annotation, labeling, or related work. - Strong attention to detail and a commitment to quality checks. - Ability to manage multiple projects independently. - Clear communication and collaborative working skills.

Nice to have

- Familiarity with machine learning concepts and AI training workflows. - Experience with data visualization tools. - Knowledge of Python, R, or similar programming languages.

Benefits and work setup

The role offers flexible working hours, competitive hourly rates, and opportunities for professional development. Work involves contributing to AI projects alongside other specialists.

Skills detected in the listing

PythonSQLMachine Learning
Detected Oct 22, 2026
Last verified Nov 12, 2026

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