Senior ML Specialist

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior ML Specialist based in Brazil.

• This is a machine learning-focused role at the heart of a production agentic AI platform, shaping how models are selected, evaluated, optimized, and deployed.
• You will bring deep expertise in machine learning, statistics, NLP, and generative AI to make model decisions measurable and defensible.
• The role combines research-driven thinking with hands-on engineering, requiring you to design, ship, operate, and continuously improve production AI systems.
• You will develop evaluation methodologies, fine-tuned models, classifiers, quality gates, and agent capabilities that solve real business problems.
• Working across data engineering, software engineering, and product teams, you will influence the technical direction of AI products and raise the team’s machine learning standards.
• You will also investigate model behavior from first principles, balancing accuracy, reliability, latency, and cost across different approaches and providers.
• This opportunity is ideal for an autonomous ML professional who enjoys turning rigorous experimentation and research into measurable production outcomes.