AI Developer Jobs in Brazil

Frequently Asked Questions

• Q: Are these AI Developer jobs in Brazil remote or onsite?

  These roles are explicitly marked Remote and are listed on Rex.zone for full-time remote work, while still targeting Brazil-focused hiring needs.

• Q: What kind of AI work is common for AI Developer jobs in Brazil?

  Common work includes building ML services, deploying LLM features, creating model evaluation and prompt evaluation systems, and improving training data quality through data labeling and QA evaluation loops.

• Q: Do AI Developer roles involve RLHF?

  Many roles touch RLHF-adjacent workflows, such as integrating human feedback signals, preference-based evaluation, and safety constraints into LLM training pipelines and testing.

• Q: Which domains are most relevant: NLP or computer vision?

  Both can be relevant. Listings often include NLP tasks like named entity recognition and text classification, and may also include computer vision pipelines supported by vision annotation and dataset QA.

• Q: What employer types hire for these roles?

  On Rex.zone, AI Developer roles may be offered by AI labs, tech startups, enterprises, BPOs, and annotation vendors building AI/ML products and LLM training pipelines.

• Q: Is this page only for full-time roles?

  This page is optimized for FULL_TIME roles, but Rex.zone also commonly includes modifiers like contract, freelance, entry-level, and senior depending on the listing.

• Q: How should I tailor my application?

  Highlight shipped production systems, measurable model performance improvement, MLOps practices, and your experience with evaluation tooling, prompt evaluation, and training data quality programs.