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Staff Software Engineer

Extend· Engineering
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New York City$250k - $300kFull-timePosted 11mo ago

About the role

Software Engineer at Extend responsible for building the core platform that enables document processing with emphasis on delivering intuitive product experiences, attention to detail, and high agency.

Responsibilities

  • Build, and maintain, durable, scalable systems capable of processing 10s of millions of data points per month.
  • Design and implement the best human ↔ AI interfaces for designing and understanding document processing.
  • Have complete ownership over the work you do — as a founding team member, you’ll have the opportunity to truly own large areas of product and engineering and have direct relationship with customers.
  • Work directly with the CEO, CTO, and other founding members and help build out our team.

Qualifications

  • 7+ years of experience building complex software systems in production environments
  • You've been at high-growth startups and know what "great" looks like
  • Ability to take abstract projects end-to-end, operating with high agency
  • Experience deploying AI/ML systems into production environments
  • Experience with developer tools is a plus

Skills

Required:System designAI/ML deploymentEnd-to-end project ownership

Benefits

  • Insurance - 90% health insurance premium coverage
  • Relocation - for candidates based outside of NYC
  • Unlimited PTO policy
  • Daily lunch & snacks covered (plus dinner if you're in the office late)
  • Unlimited token / tooling access
  • Learning and development investment
Last updated Jul 15, 2026. Interested? Apply on the company site.

About Extend

Your complete document processing toolkit

The document processing platform built for the next generation.

document processingparsingextractionsplitAIAPIstoolingaccuracy
Company profileWebsite

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