AI Generalist Jobs Portugal 2026

Discover remote AI Generalist jobs in Portugal for 2026 at Rex.zone. Shape the future of large language model evaluation, RLHF, and training data quality through expert data labeling and prompt evaluation.

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AI Generalist Jobs Portugal 2026

Title: AI Generalist Date: 25-02-2026 Company: Rex.zone Country: Portugal Remote Type: Remote Employment Type: FULL_TIME Experience Level: Mid-Senior Industry: Technology Job Function: Engineering Skills: AI Generalist, RLHF, Data Labeling, Prompt Evaluation, NLP Salary Currency: USD Salary Min: 63360 Salary Max: 126720 Pay Period: YEAR Are you looking for premier AI Generalist jobs in Portugal for 2026? Rex.zone is expanding its remote workforce to include highly skilled professionals dedicated to large language model evaluation and training data quality. As an AI Generalist, you will engage in complex RLHF (Reinforcement Learning from Human Feedback), prompt evaluation, and comprehensive data labeling tasks. This full-time remote role connects top-tier Portuguese talent with leading AI labs and tech startups to improve model performance and ensure strict annotation guidelines compliance across various NLP and computer vision pipelines.

Core Responsibilities in AI/ML Training Pipelines

Your day-to-day workflow will involve rigorous QA evaluation and content safety labeling to refine foundational models. You will perform named entity recognition, assess AI-generated responses for factual accuracy, and execute prompt engineering tasks. By providing high-quality human feedback, you directly contribute to LLM training pipelines and model performance improvement. Whether you are transitioning from freelance, contract, or entry-level roles, this senior-level opportunity allows you to drive the next generation of AI development from anywhere.

Skills and Qualifications

Ideal candidates possess a deep understanding of AI/ML data operations, including NLP and computer vision annotation. You must demonstrate exceptional analytical skills for large language model evaluation and strict adherence to annotation guidelines compliance. Experience with RLHF, data labeling, and QA evaluation is essential. We welcome applicants with diverse backgrounds in tech startups, BPOs, and annotation vendors who are ready to take on a full-time, remote AI Generalist position.

Frequently Asked Questions

  • Q: What is the primary focus of AI Generalist jobs in Portugal for 2026 at Rex.zone?

    The primary focus is on enhancing large language model evaluation and training data quality. You will perform RLHF, prompt evaluation, and data labeling to support advanced LLM training pipelines.

  • Q: Is this a fully remote position?

    Yes, these are full-time remote roles based in Portugal. You can work from anywhere in the country while collaborating with global AI labs and tech startups.

  • Q: What skills are required for QA evaluation and content safety labeling?

    Candidates need strong analytical abilities, a background in NLP or computer vision annotation, and the ability to strictly follow annotation guidelines compliance to ensure model performance improvement.

  • Q: What is the salary range for this remote AI Generalist role?

    The salary ranges from 63360 to 126720 USD per year, depending on your experience level in prompt engineering, RLHF, and named entity recognition.

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