AI Engineer

Extend is revolutionizing document processing through their modern platform powered by LLMs. As an AI Engineer, you'll be at the forefront of building state-of-the-art document processing infrastructure that impacts millions of documents processed monthly.

The company has shown impressive growth, increasing revenue 15x to 7-figures in ARR, and serves major clients like Brex, Checkr, Opendoor, and Chime. The role involves tackling complex challenges at the intersection of LLMs, data processing, and human-AI interfaces.

Key responsibilities include:

• Creating multimodal models for document layout awareness
• Developing novel chunking strategies for long documents
• Building and evaluating data pipelines and model performance
• Designing self-correcting systems
• Working directly with leadership and having significant ownership

The position offers unique opportunities to:

• Work with a talent-dense team of former founders and world record holders
• Join a high-performance culture in NYC
• Receive substantial equity ownership
• Tackle novel, unsolved problems
• Impact mission-critical processes where accuracy directly affects real-world outcomes

Backed by prestigious investors including YC, Homebrew, and OpenAI investors, Extend is positioned for significant growth. The lean team structure ensures that early members will have outsized impact and direct customer relationships while working on ambitious technical challenges in document processing.