QA Engineer

Jobgether; Brasil; Remote; BRL 442,000 - 841,000; Full time

Benefits offered by this job

Remote work

Contract: Freelance / independent

Contract duration: 12 months

40 hours per week

Job summary

Jobgether is seeking a QA Engineer based in Brazil to join an international, remote team. You will design and execute tests for AI-driven systems, assess model outputs, and identify opportunities to improve accuracy and data quality.

The role emphasizes structured testing, clear documentation, and collaboration across cross-functional teams. You will contribute to developing testing methodologies for AI applications and ensure that results are actionable and well-documented.

Qualifications

• Experience in software quality assurance including test planning and defect reporting.
• Strong analytical skills and attention to detail when reviewing results and data.
• Ability to communicate findings clearly and work with cross-functional teams.

Responsibilities

• Design, execute, and document test cases for AI-generated outputs.
• Annotate and label datasets to improve model training quality.
• Evaluate model predictions to identify inconsistencies and errors.
• Report findings and recommend improvements to data quality and model performance.
• Collaborate with teams to clarify requirements and communicate results.
• Help develop testing methodologies for AI-driven systems.
• Maintain organized documentation of evaluations and recommendations.

Skills

Quality assurance

Test planning

Defect reporting

Analytical thinking

Attention to detail

English (B2)

Job description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a QA Engineer based in Brazil.
Join a remote, international team as a QA Engineer and help improve the reliability and performance of AI-driven systems. In this role, you will design and execute structured tests, assess model outputs, and identify opportunities to improve accuracy and data quality. You will contribute to the development of testing methods tailored to artificial intelligence applications while ensuring that results are carefully documented and actionable. Working with cross-functional teams, you will help clarify requirements, communicate findings, and support continuous improvement. This opportunity is ideal for a quality assurance professional who combines strong testing fundamentals with analytical thinking and a keen eye for detail.

Accountabilities

As a QA Engineer, you will validate AI outputs, evaluate data quality, and provide actionable insights to strengthen model performance. Your main responsibilities will include:

• Design, execute, and document test cases and scenarios to validate AI-generated outputs against defined requirements.
• Review, annotate, and label datasets to improve the accuracy and quality of machine learning model training.
• Evaluate and analyze model predictions to identify inconsistencies, errors, and recurring patterns.
• Report findings clearly and recommend improvements that enhance data quality and model performance.
• Collaborate with cross-functional teams to communicate results, raise questions, and clarify project requirements.
• Contribute to the development and refinement of testing methodologies for AI-driven systems.
• Maintain organized documentation of evaluations, test results, feedback, and recommendations.

Requirements

• Practical experience in software quality assurance, including test planning and defect reporting.
• Strong analytical skills and attention to detail when reviewing test results, datasets, and model predictions.
• Ability to identify inconsistencies, investigate issues, and communicate findings clearly.
• Proficiency in English at B2 level or above to support collaboration and written reporting.
• Strong written documentation skills and the ability to work independently while coordinating with cross-functional teams.

Benefits

• Competitive hourly compensation: $63–$120 per hour.
• Remote flexibility: Work remotely from eligible locations worldwide, subject to project requirements.
• Contract type: Freelance / independent contractor.
• Contract duration: 12 months.Working hours: 40 hours per week.
• Start date: As soon as possible.
• International collaboration: Contribute to AI quality initiatives alongside cross-functional teams.

How Jobgether Works

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Why Apply Through Jobgether?

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.

We may use artificial intelligence (AI) tools to support parts of the hiring process, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.