Senior Software Engineer, Agent Platform

KlaviyoBuild tools to tune LLM-based features, deploy agents, MCP and RAG in production, and evaluate performance using tools like Arize, OpenAI, Bedrock, LangChain, vLLM and Ray.Hybridfull_timesenior

Tech Stack

Solid badges = required, outlined = preferred

Responsibilities

  • Design and build backend systems to scale AI solutions for 167K+ customers.
  • Contribute to our agentic architecture to support performant AI agents.
  • Build tools to tune LLM-based features, deploy agents, MCP and RAG in production, and evaluate performance using tools like Arize, OpenAI, Bedrock, LangChain, vLLM and Ray.
  • Develop reliable, scalable data pipelines and APIs for AI systems.
  • Foster a culture of ownership, experimentation, and customer-first thinking.

Soft Skills

Cross-Functional CollaborationTechnical Decision-Making

Culture

Customer-ObsessedExperimentation

Requirements

Regions: Us

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About Klaviyo
Industry: e-commerce
Size: enterprise

Klaviyo empowers creators to own their destiny by making first-party data accessible and actionable, focusing on personalized experiences in e-commerce and beyond. They are developing an extensible AI platform for autonomous customer experiences.

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