✦ Luna Orbit — AI & Machine Learning

Machine Learning Engineer, Stripe Assistant

at Stripe

📍 Seattle; San Francisco; New York City; Remote Remote Posted March 03, 2026
Type Not Specified
Experience senior
Exp. Years Not specified
Education Not specified
Category AI & Machine Learning

This role involves developing and deploying advanced AI and machine learning models, particularly large language models, to enhance Stripe's Assistant platform. The engineer will focus on improving model safety, reliability, and performance.

  • Develop end-to-end ML architectures
  • Ground responses in authoritative data
  • Fine-tune LLMs with RLHF
  • Optimize RAG pipelines
  • Enhance model safety and reliability

The technical environment includes large language models, reinforcement learning, RAG pipelines, synthetic data generation, and embedding techniques, primarily applied within Stripe's AI infrastructure.

The ideal candidate is a senior AI/ML engineer with extensive experience in large language models, reinforcement learning, and retrieval-augmented generation. They possess a strong background in deploying AI solutions at scale and have expertise in fine-tuning models with domain-specific data.

Machine LearningLarge Language ModelsRLHFRAG pipelinesembedding
LLMssynthetic data generationAI agent systemsproactive AIdashboard integration
StripeLLMsRAG pipelinessynthetic data tools
Large Language ModelsLLMsReinforcement Learning with Human FeedbackRLHFRetrieval-Augmented GenerationRAG pipelinessynthetic data generationembeddingmachine learningAI
Large Language ModelsLLMsReinforcement Learning with Human FeedbackRLHFRetrieval-Augmented GenerationRAG pipelinesmachine learningMLsynthetic data generationembedding
problem-solvingstrategic thinkingcollaborationcommunicationanalytical thinking
Industry Fintech
Job Function Developing and optimizing AI/ML models for intelligent assistant systems
Machine Learning EngineerLarge Language ModelsLLMsReinforcement Learning with Human FeedbackRLHFRetrieval-Augmented GenerationRAG pipelinessynthetic data generationembeddingAIArtificial IntelligenceMLmachine learningLLMs fine-tuningLLMs domain-specific embeddingproactive assistantLLMs safetyLLMs reliabilityLLMs performance

Lack of experience with LLMs or RLHF, No background in AI/ML research or deployment, Inability to work remotely

Apply for this Position →

Get matched to jobs like this

Luna finds roles that fit your skills and career goals — no endless scrolling required.

Create a Free Profile