Portuguese Audio Evaluation Specialist at Invisible Tech

Portuguese Audio Evaluation Specialist | $6–$65/hr | Worldwide Remote | Freelance AI Trainer Project

Join a cutting-edge AI benchmarking initiative as a freelance Audio Evaluation Specialist, helping shape the next generation of agentic audio models. This project focuses on evaluating advanced conversational AI systems in real-world customer support scenarios — including flight bookings, financial services, and telecommunications — by producing high-quality training data and structured evaluation tasks.

Project Deliverables

• Role-Play Scenario Execution: Design and perform complex, realistic customer service simulations across travel, finance, and technical support domains to stress-test AI model behavior.
• Model Performance Auditing: Evaluate AI outputs against standardized qualitative and quantitative metrics, including task completion accuracy, conversational naturalness, and audio comprehension.
• Technical Metric Evaluation: Assess the model's understanding of JSON structures, functions, methods, and structured data reasoning within support contexts.
• Dataset Generation: Contribute to diverse, high-quality audio datasets that reflect real customer expectations for clarity, efficiency, and natural conversational flow.

Required Expertise

• Demonstrated professional experience in customer support, technical troubleshooting, or conversational AI evaluation.
• Native or bilingual proficiency in Portuguese, with strong skills across reading, listening, writing, and speaking.
• Basic programming literacy, including a working understanding of JSON structures, functions, and simple logic.
• Detail-oriented approach to structured prompts, evaluation rubrics, and technical guidelines.
• Equipment Required: Access to a high-quality microphone for clean audio input during voice evaluations. Contractors must also supply their own secure computer and high-speed internet connection.

Engagement Details

• Type: Freelance / Independent Contractor
• Workplace: Fully Remote
• Seniority: Mid–Senior Level
• Pay Range: $6–$65/hr, determined by experience, expertise, and geographic location

Note: As an independent contractor, company-sponsored benefits such as health insurance and paid time off do not apply. Final compensation may vary based on qualifications and location.