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.