Key skills
Machine LearningArtificial IntelligenceLarge Language ModelsPretrainingFine-tuningSupervised Fine-TuningReinforcement Learning from Human FeedbackGRPOPrompt EngineeringRetrieval-Augmented GenerationLLM Evaluation FrameworksAgentic AI SystemsMulti-agent OrchestrationMemory SystemsAutonomous Reasoning PipelinesReActLangGraphAutoGenProduction-grade ML SystemsML InfrastructureModel ServingMLOpsAIMLLLMRAGAgenticReactCommunication
About this role
Airbnb is a leading hospitality company that has transformed the way people travel and connect with communities. They are seeking a Senior Machine Learning Engineer to join their Core ML team in Community Support, responsible for developing AI technologies that enhance customer service experiences. The role involves championing the development of ML systems and collaborating cross-functionally to deliver innovative AI solutions.
Responsibilities:
- Champion the development of novel ML systems, product integrations, and performance optimizations to solve real-world problems
- Work cross-functionally with product, design, and other engineering counterparts to design and build efficient AI solutions for Airbnb CS products
- Learn and share the latest AI/ML technologies with the team
Requirements:
- PhD or Master's degree w/ 6+ YOE in Computer Science, Machine Learning, Artificial Intelligence, or a related technical field — or equivalent industry experience
- Hands-on expertise in LLM, including pretraining, fine-tuning (SFT, RLHF, GRPO), prompt engineering, RAG architectures, and LLM evaluation frameworks
- Experience building Agentic AI systems — including multi-agent orchestration, tool-use, planning, memory, and autonomous reasoning pipelines (e.g., ReAct, LangGraph, AutoGen, or similar)
- Experience of shipping production-grade ML/AI systems at scale, with deep understanding of ML infrastructure, model serving, and MLOps best practices
- Excellent communication skills with the ability to collaborate effectively across Engineering, Product, and Design organizations