Brazilian Portuguese JSON & Coding Specialist

Lifted (an Upwork Company); Portugal; Remote; EUR 25,000 - 44,000; Part time

Job summary

Lifted, an Upwork Company, is seeking Brazilian Portuguese-speaking coding experts to join a short-term project evaluating AI outputs and JSON structures. You will apply language proficiency and technical judgement to ensure accuracy and usability of responses.

Work is remote for 2-3 months, with flexible schedules. You may review live conversations, validate JSON formatting, and provide written feedback to improve model quality. Fluency in Brazilian Portuguese is required.

Qualifications

• JSON fluency and ability to read, validate, troubleshoot, and identify issues in JSON structures.
• Strong Portuguese language proficiency (Brazilian Portuguese).
• Excellent attention to detail and ability to provide clear written feedback.

Responsibilities

• Participating in live, real-time conversational scenarios with AI systems.
• Reviewing and labeling conversation transcripts.
• Evaluating AI-generated responses using structured rubrics and written justifications.
• Assessing responses for language quality, customer experience, technical accuracy, formatting, and JSON structure.
• Capturing required session artifacts, including recordings, Session IDs, and tool-call/console logs.

Skills

JSON fluency

Brazilian Portuguese

Attention to detail

Written communication

Tools

JSON validation

Troubleshooting JSON

Job description

Lifted, an Upwork Company, is seeking Brazilian Portuguese-speaking coding experts to join a short-term project evaluating AI outputs and JSON structures. You will apply language proficiency and technical judgement to ensure accuracy and usability of responses.

Work is remote for 2-3 months, with flexible schedules. You may review live conversations, validate JSON formatting, and provide written feedback to improve model quality. Fluency in Brazilian Portuguese is required.