Senior Machine Learning Engineer (San Francisco - Hybrid)

A well-funded AI startup is looking for a Senior Machine Learning Engineer to help build the next generation of interactive AI experiences. You'll develop cutting-edge AI systems that power intelligent, real-time 3D characters, shaping how people interact with AI across gaming, entertainment and consumer applications.

What Will I Be Doing?

• Design and build production-ready AI systems powered by LLMs, RAG, prompt engineering and multi-agent architectures.
• Develop scalable backend services that power intelligent, real-time AI experiences.
• Collaborate with product and research teams to take cutting-edge AI concepts from research into production.
• Evaluate, optimise and improve AI performance through experimentation, benchmarking and model fine-tuning.
• Drive best practices across AI quality, safety, s...