This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Data Scientist (LLM) based in Brazil.

This role offers the opportunity to lead the intelligence layer of a strategic conversational AI initiative powered by large language models and generative AI. You will help design and optimize AI-driven customer interactions, ensuring high-quality, secure, and reliable experiences across digital channels. Working alongside multidisciplinary teams, you will combine advanced machine learning expertise with business strategy to deliver measurable outcomes. The position involves prompt engineering, model evaluation, conversational AI governance, and continuous optimization of LLM-based solutions. It is an excellent opportunity for professionals who are passionate about responsible AI, cutting‑edge NLP technologies, and building scalable, production‑ready AI systems.

Accountabilities