Machine Learning Engineer, Implicit Signals

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ABOUT THE TEAM

Our team builds classification and evaluation systems that give post-training and research teams fast, reliable feedback on model behavior. We combine machine learning and production engineering to make these capabilities accurate, efficient, and useful at scale, helping researchers assess changes and improve models and products.

We work closely with research teams to develop useful measurements and make them practical to run. Our work spans classifier development, rigorous evaluation, and efficient production inference, with ownership from initial experimentation through deployment and continued improvement.

ABOUT THE ROLE

We’re looking for a machine learning engineer to develop new classification and evaluation capabilities and bring them into production. You’ll help turn open-ended questions about model behavior into well-defined ML problems, build methods that address them, and establish how reliably those methods work.

This role combines traditional machine learning, model evaluation, and real-time engineering. You’ll own classifiers throughout their lifecycle, including supervised fine-tuning, distillation, evaluation, deployment, and production inference. You’ll work closely with researchers to identify valuable problems and with software engineers to make promising approaches useful at scale.

IN THIS ROLE, YOU WILL:

• Build, deploy, and operate production classification and evaluation systems that provide useful feedback to post-training and research teams.

• Optimize production inference, including model serving, batching, caching, throughput, latency, compute utilization, and cost.

• Train and optimize classifiers using supervised fine-tuning and distillation, validating quality and efficiency before deployment.

• Own the reliability and observability of deployed classifiers, diagnose production issues, and improve their performance over time.