AI Engineer
: Job Details :


AI Engineer

Extend

Job Location : New York,NY, USA

Posted on : 2025-08-06T01:15:40Z

Job Description :

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This range is provided by extend. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$175,000.00/yr - $250,000.00/yr

Extend is building a modern document processing platform, reimagined with LLMs. We're on a mission to transform how the world works with unstructured data.As an AI Engineer at Extend, you'll be responsible for building state-of-the-art document processing infrastructure. The work you do will impact every single customer across the millions of documents that our system ingests and processes every month.We're looking to hire engineers who think creatively about problems, keep up to date on the latest in AI research, push for real-world customer impact (not only theory), and are excited about helping businesses tackle one of their most painful problems with AI.Why you should consider joining

  • We've grown revenue 15x this year to 7-figures in ARR, with our growth continuing to accelerate
  • We have a product loved by users and being used in mission-critical flows at companies like Brex, Checkr, Opendoor, Chime, and many more
  • We're building the next generation document processing platform — the market for document processing has expanded 1000x due to LLMs, and existing solutions are all low NPS
  • We're punching well above our weight, supporting customer and revenue metrics with half the team size of other startups — everyone joining at this stage will have outsized impact
  • We have a very talent dense team (e.g. former founders, world record holders) operating in a high performance culture, in-person in NYC, with high equity ownership
  • We're tackling novel, unsolved problems at the intersection of LLMs, complex data processing, and human AI interfaces
  • We're backed by world class investors, including YC, Homebrew, investors from OpenAI, and more
We're a lean team, and our customer base is growing too fast for us to keep up. We're looking for talented engineers to join our founding team ahead of our next round and execute on an ambitious roadmap.ImpactWe're powering mission-critical data processing at companies where if we get things wrong, there are real world impacts (e.g. missed payments, people can't move into homes on time).Here's a few of the complex problems you'll be working on:
  • Creating multimodal models for document layout awareness
  • Novel chunking strategies for handling long documents
  • Building data pipelines and evaluating model performance
  • Building a self-correcting system that automatically gets better over time
Role
  • Design novel LLM techniques for increasing the complexity of use cases and data streams that Extend can be applied to
  • Monitor existing models in production, understand what's working well (and what isn't), and run experiments to solve those issues
  • 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.

Seniority level
  • Seniority levelEntry level
Employment type
  • Employment typeFull-time
Job function
  • Job functionEngineering and Information Technology
  • IndustriesSoftware Development

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