Data Annotation Quality Specialist - Remote Work

BairesDev; Brazil; Remote; BRL 204,000 - 356,000; Full time

Benefits offered by this job

Remote work

Competitive pay in USD

Home office setup

Flexible hours

Parental leave

Holidays

Mentorship

Career growth

Job summary

BairesDev is seeking a Data Annotation Quality Specialist to oversee comprehensive QA for data labeling and AI datasets. You will establish rigorous standards to ensure precision, alignment, and reliability across training data, working remotely from anywhere with excellent English.

You will audit datasets, refine labeling guidelines, review annotated data for errors, and collaborate with teams to continuously improve processes while enjoying flexible hours and a global, multicultural

Qualifications

• 5+ years in data annotation, data labeling or QA roles.
• Proven expertise in data annotation and labeling for high‑quality datasets.
• Strong data QA methodologies: reviewing, auditing and validating complex data.
• Exceptional attention to detail and analytical skills to identify inconsistencies.
• Advanced proficiency in English.

Responsibilities

• Execute and manage QA workflows for data labeling.
• Audit large, complex datasets to meet project specifications.
• Develop and maintain labeling guidelines to reduce variability.
• Review annotated data to flag and resolve errors.
• Collaborate with annotation teams to drive process improvements.

Skills

Data annotation

Data labeling

Data quality assurance

Attention to detail

English proficiency

Job description

At BairesDev®, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley.

Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works remotely on roles that drive significant impact worldwide.

When you apply for this position, you're taking the first step in a process that goes beyond the ordinary. We aim to align your passions and skills with our vacancies, setting you on a path to exceptional career development and success.

Data Annotation Quality Specialist at BairesDev

As a Data Annotation Quality Specialist, you will oversee and execute comprehensive quality assurance procedures for complex data annotation and labeling tasks. You will ensure the precision, alignment, and reliability of datasets destined for AI and machine learning initiatives, establishing rigorous standards to optimize training data.

What You'll Do:

• Execute and manage thorough quality assurance and validation workflows for data labeling.
• Audit large and complex datasets systematically to guarantee adherence to project specifications.
• Develop, refine, and maintain clear labeling guidelines to minimize inconsistencies and bias.
• Review and analyze annotated data to identify, flag, and resolve errors or discrepancies.
• Collaborate with annotation teams to provide feedback and drive continuous process improvements.

What we are looking for:

• 5+ years of experience in data annotation, data labeling, or data quality assurance roles.
• Proven expertise in data annotation and labeling processes to ensure high-quality training datasets.
• Strong background in data quality assurance methodologies, including reviewing, auditing, and validating complex datasets.
• Exceptional attention to detail and analytical skills to systematically identify, flag, and resolve data inconsistencies.
• Advanced proficiency in English.

How we do make your work (and your life) easier:

• 100% remote work (from anywhere).
• Excellent compensation in USD or your local currency if preferred
• Hardware and software setup for you to work from home.
• Flexible hours: create your own schedule.
• Paid parental leaves, vacations, and holidays.
• Innovative and multicultural work environment: collaborate and learn from the global Top 1% of talent.
• Supportive environment with mentorship, promotions, skill development, and diverse growth opportunities.