Remote Machine Learning Engineer jobs open to Brazil.

Deep learning model training, PyTorch, JAX, Machine learning algorithm implementation, Fast-paced environment adaptability, Collaborative work style

Reka AIReka AI, Inc. builds multimodal foundation models and AI infrastructure for organizations and enterprises.

Python · SQL

6 years of experience, Machine learning, Deep learning, Neural networks, Statistical modeling, Tree-based methods, Boosting, Regression, Dimensionality reduction, Personalization systems, Recommendation systems, Operations research, Mathematical modeling, Linear programming, Integer programming, Discrete event simulation, Large language models, Fine-tuning methods, Reinforcement learning from human feedback, Python, SQL, Data pipelines, Machine learning libraries/tools, Mentoring, Agile environments

BetterHelpBetterHelp is an online therapy platform connecting members with licensed therapists by video, phone, chat and messaging.

Python · Kotlin

8 years of experience, Production LLM systems, Agentic systems expertise, Multilingual conversational AI, AI evaluation and safety, Python for AI/ML, Backend engineering (Go/Kotlin), Model serving in cloud environments, Technical leadership in AI projects, Payments or fintech experience

YunoYuno provides payment orchestration infrastructure for global merchants and financial institutions.

GPU programming, Inference optimization, Real-time ML model deployment, Performance profiling, Latency-sensitive applications

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.