Remote Portuguese Audio Evaluation Specialist AI Trainer

Invisible Technologies Inc.; Portugal; Remote; EUR 7,400 - 80,000; Part time

Job summary

Invisible Technologies Inc. is seeking independent Audio Evaluation Specialists to support an AI benchmark evaluation project focused on agentic audio models.

Contractors will design evaluation frameworks, run role-play scenarios across travel, finance, and telecom contexts, audit model outputs, and generate clean datasets to improve model performance. Qualified applicants have deep experience in complex customer support or conversational AI evaluation, native or bilingual language proficiency,

Qualifications

• Demonstrated expertise in complex customer support, technical troubleshooting, or conversational AI evaluation.
• Native or bilingual proficiency in the target language with strong communication skills.
• Basic understanding of JSON structures and logic.

Responsibilities

• Design and execute complex evaluation frameworks and role-play scenarios across travel, finance, and technical support domains.
• Audit AI outputs using standardized qualitative and quantitative metrics.
• Contribute to creating diverse, high-quality audio datasets for model improvement.

Skills

Customer support

Native fluency

JSON literacy

Analytical communication

Job description

Invisible Technologies Inc. is seeking independent Audio Evaluation Specialists to support an AI benchmark evaluation project focused on agentic audio models.

Contractors will design evaluation frameworks, run role-play scenarios across travel, finance, and telecom contexts, audit model outputs, and generate clean datasets to improve model performance. Qualified applicants have deep experience in complex customer support or conversational AI evaluation, native or bilingual language proficiency,