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Senior Backend Engineer

Zapier

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Location:
United States

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

174200.00 - 261200.00 USD / Year
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Job Description:

Zapier is hiring a Senior Backend Engineer to help design and scale the systems that enable AI automation through Model Context Protocol (MCP). This role involves building infrastructure to power the next generation of automation, working on foundational systems, and defining how AI agents interact with third-party systems through Zapier.

Job Responsibility:

  • Design, implement, and evolve core APIs that enable agents to take meaningful actions across Zapier’s integration ecosystem
  • Build systems that support scalable orchestration, robust logging, and high-availability execution
  • Influence and collaborate on the core performance for MCP focusing on memory, context windows, token usage, and reasoning steps
  • Integrate with Zapier’s existing execution infrastructure and help build the interfaces between LLM clients and Zapier
  • Partner closely with Product, Design, Platform, and Sales teams to ensure the protocol serves both external and internal needs
  • Drive design decisions that prioritize scalability, performance, security, and clarity for developers and AI systems alike

Requirements:

  • 6+ years of experience designing, developing and maintaining complex production systems
  • Comfortable writing backend services (Python or Node.js ideal)
  • Experience with API design, database modeling, or CI/CD pipelines
  • Understanding and leveraging AI tooling (e.g., GitHub Copilot, Cursor)
  • Experience with or implemented components like model context protocol or agent frameworks
  • Platform thinking with focus on extensibility, documentation, and robust foundations
  • Customer empathy and curiosity
  • Bias toward action
  • Ownership mindset
  • Self-starter comfortable with ambiguity
What we offer:
  • Offers Equity
  • Offers Bonus

Additional Information:

Job Posted:
February 21, 2026

Employment Type:
Fulltime
Work Type:
Remote work
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