✦ Luna Orbit — AI & Machine Learning

Senior AI Engineer, ARIA Team

at Klaviyo

📍 Boston, MA Onsite Posted April 08, 2026
Type Full-Time
Experience senior
Exp. Years 3+ yrs
Education Not specified
Category AI & Machine Learning
3+ years of software engineering experienceat least 2 years focused on building AIMLor LLM-powered systems in production
Experience with large language models such as OpenAIAnthropicMistralor Llama
Large Language ModelsLLMsGPT-4ClaudeMistralLlamaAPI integrationsRetrieval Augmented GenerationRAGCI/CD pipelinesmodel evaluationA/B testing infrastructureprompt engineeringfine-tuningAI observabilitysecurity and governanceHRIS integrationCRM integrationknowledge bases
collaborationcross-functional teamworkcommunicationproblem-solvingattention to detail
Industry SaaS
Role Subtype AI Engineer
Senior AI EngineerARIA teamLLMsGPT-4ClaudeMistralLlamaOpenAIAnthropicproductionAPI integrationsRAGRetrieval Augmented GenerationCI/CDA/B testingprompt engineeringmodel evaluationdata pipelinesHRISCRMknowledge basesinternal systemsBostononsiteAIproduction AI
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