Staff Machine Learning Engineer

This is a hands-on lead role for a consumer product, not a platform or research role. You will set the technical direction, build the end-user experience, and be responsible for an that agent works in the hands of general customers. You will work directly with the founders and the backend, iOS, and ML engineers building Stream., * Lead architecture, strategy, and tradeoffs for our ML-based products

• Design and improve user-facing model-based experiences, including agentic control, conversational interactions, and information retrieval.
• Develop infrastructure to rapidly develop, evaluate, and deploy models
• Optimize inference pipelines for latency, reliability, and concurrency
• Work closely with other ML/AI engineers, infrastructure engineers, designers, and cofounders on existing and future products

• 6+ years in machine learning experience
• Experience shipping ML-based products is required
• Experience in large-language model evaluation and post-training is required
• Experience in audio / voice ML is a plus
• Comfortable writing production-grade software
• Passion for human-computer interaction
• Experience setting technical direction and driving execution with multidisciplinary teams