Principal Taxonomist

Upwork; New York (NY); Remote; USD 150,000 - 230,000; Full time

Job summary

A global matching platform company is looking for a Principal Taxonomist to support the international expansion focusing on Brazil. You will lead the development of Brazil-specific taxonomies and ensure high-quality standards across AI-driven onboarding processes. The ideal candidate has over 7 years of experience, fluency in Portuguese, and a strong understanding of the Brazilian market. This is a remote position but requires alignment with CST time zone.

Qualifications

• 7+ years of professional experience (senior-level profile).
• US-based.
• Experience developing and maintaining taxonomies, attributes, and metadata libraries.
• Experience overseeing structured onboarding questionnaire processes.
• Experience reviewing translation models for grammatical accuracy and regulatory alignment.

Responsibilities

• Develop and maintain high-quality Brazil taxonomies.
• Oversee the onboarding questionnaire process for improved matching.
• Localize market-specific prompts for cultural appropriateness.
• Review and refine translation models for grammatical accuracy.
• Drive the end-to-end approval workflow for taxonomy questions.
• Lead remediation processes after questions and attributes are finalized.
• Ensure taxonomy updates improve matching quality while aligning with the global library.

Skills

Portuguese fluency

Strong understanding of the Brazilian market and cultural context

Strong Git proficiency

Experience using GPT-5 or similar AI tools

Proficiency in Google Sheets

Translation model review

Google Sheets proficiency

Tools

Git

GPT-5 or similar AI tools

Google Sheets

GitLab or GitHub

Job description

We are seeking a Principal Taxonomist to support the international expansion of a global taxonomy and matching platform, with Brazil as the primary focus market. This initiative represents the next phase of global rollout, transitioning from manual questionnaire reviews to a scalable, AI‑driven model while maintaining high quality standards.

Job Description

This role will lead the development and governance of Brazil‑specific taxonomies, metadata libraries, and onboarding questionnaires, ensuring accuracy, localization, regulatory alignment, and consistency with the global taxonomy framework. Enterprise experience strongly preferred.

Key Responsibilities

• Develop and maintain high‑quality Brazil taxonomies, attributes, and metadata libraries, ensuring accuracy, relevance, and elimination of duplication.
• Oversee the onboarding questionnaire process to collect structured information for improved matching, leveraging standardized questionnaires and AI‑driven enhancements.
• Localize market‑specific prompts to ensure cultural and linguistic appropriateness for the Brazilian market.
• Review and refine translation models to ensure grammatical accuracy, alignment with market regulations, and consideration of legal implications.
• Drive the end‑to‑end approval workflow for taxonomy questions and attributes.
• Lead follow‑up remediation processes once questions and attributes are finalized.
• Ensure taxonomy updates improve matching quality while remaining consistent with the broader global library.

Qualifications

Must‑Have Skills

• 7+ years of professional experience (senior‑level profile)
• US-based
• Portuguese fluency
• Strong understanding of the Brazilian market and cultural context
• Strong Git proficiency
• Experience using GPT‑5 or similar AI tools
• Experience developing and maintaining taxonomies, attributes, and metadata libraries
• Experience overseeing structured onboarding questionnaire processes
• Experience reviewing translation models for grammatical accuracy and regulatory alignment
• Proficiency in Google Sheets

Nice‑to‑Have Skills

• AI / Prompt Engineering experience
• Experience with GitLab or GitHub
• Strong enterprise experience

Required Tools & Platforms

• Git
• GPT‑5 or similar AI tools
• Google Sheets
• GitLab or GitHub (if applicable)

Location, Time & Engagement

• US-based (remote)
• Must align with CST time zone