Drimva

Extend

Staff Software Engineer

$250K–$300K

New York City · Staff · Full-time · Posted Dec 15, 2024

Experience
7+ years of experience building complex software systems in production environments.

About the job

Build Extend’s document-processing platform, including scalable systems and human–AI interfaces for deploying and improving LLM-powered document workflows.

What you'll do

  • Build and maintain durable, scalable systems that process tens of millions of data points per month.
  • Design and implement human–AI interfaces for creating and understanding document processing.
  • Own engineering and product work end to end, work with customers and company leadership, and help build the team.

What they ask for

  • 7+ years of experience building complex software systems in production environments.
  • Experience deploying AI/ML systems into production environments.
  • Ability to take abstract projects end to end and operate with high agency.

Nice to have

  • Experience with developer tools.
  • Experience at high-growth startups.

Pay

$250K – $300K (USD, base salary)

Tools

LLMs, AI/ML

AI focus

Build LLM-powered document processing systems and human–AI interfaces, including systems that improve over time and enable domain experts to guide models.

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 4, 2026 (UTC)