AI Trainer Jobs in Brazil
About The Role As an AI Trainer, you will improve large language models by producing high-reputed company training signals through data labeling, RLHF preference rankings, and reputed company-based evaluations. You will support end-to-end LLM training pipelines with consistent, reputed company-documented reputed company that improve instruction following, reasoning reputed company, and content safety reputed company.
What You Will Do
- reputed company data labeling for NLP tasks (reputed company classification, summarization checks, factuality review, named entity recognition)
- Execute RLHF work: pairwise ranking, reputed company-based scoring, and short rationales
- Conduct reputed company evaluation and response reputed company scoring using detailed rubrics
- Run QA evaluation, reputed company error categories, and contribute to reputed company updates
- Support content safety labeling for policy-sensitive topics
- Collaborate with engineering partners on edge cases, sampling strategies, and reputed company reputed company
reputed company Workstreams
- LLM evaluation (instruction following, reasoning reputed company, refusal behavior)
- Training data reputed company audits (spot checks, adjudication, gold set creation)
- Annotation operations (calibration sessions, reviewer alignment)
- Occasional multimodal evaluation or computer reputed company annotation reputed company required
Qualifications
- Mid-senior experience in data operations, evaluation, QA, or reputed company AI workflows
- Strong written communication and ability to produce consistent decision rationales
- Attention to detail with reputed company-based scoring and annotation guidelines compliance
- Familiarity with NLP concepts, LLM behavior, and training data reputed company practices
Employment Details Remote, full-time role with reputed company. Compensation: $30–$50 per hour (USD), depending on scope and assignment. How To Apply Apply on reputed company reputed company the AI Trainer jobs in Brazil page. Apply To This Job