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Extend is building a modern document processing platform. We're on a mission to transform how the world works with unstructured data.
We're hiring a Growth Engineer to join our founding team and own technical distribution. This role sits at the intersection of engineering, product, and GTM, and is focused on shipping real technical artifacts that earn developer attention and drive adoption.
This is a hands-on engineering role. You will be writing code.
Why you should consider joining

• We grew revenue 400% last year, with growth continuing to accelerate
• Extend is used in mission-critical workflows at companies like Chime, Flatiron Health, Brex, Opendoor, Checkr, and more
• The document processing market has expanded 1000× due to LLMs - and existing solutions are brittle and low-trust
• We punch far above our weight with a lean team - every hire has outsized leverage
• We're solving novel problems at the intersection of LLMs, evals, complex data pipelines, and human-in-the-loop systems
• Backed by world-class investors (YC, Homebrew, investors from OpenAI, and more)
• You'll work directly with the CEO, CTO, and founding team with real ownership

Impact
Document processing is exploding. Developers are actively evaluating tools and asking: what actually works?
Your job is to answer that question publicly and credibly.
This role exists to:

• Own technical distribution for Extend
• Build artifacts developers trust because they can inspect and test them
• Shape how the market understands document processing, OCR, and extraction

Success looks like shipping projects that drive real usage, pipeline, and category leadership - not vanity metrics.
Role
You will build and ship technical growth experiments end-to-end.
Responsibilities include:

• Build public-facing technical projects (e.g. OCR Arena (ocrarena.ai), benchmarks, demos, microsites)
• Design and run benchmarks for document processing (accuracy, latency, cost, tradeoffs)
• Ship technical demos, reference implementations, and eval harnesses
• Write production-quality code across the stack
• Own projects from idea → build → launch → iteration
• Instrument experiments and tie them back to adoption and revenue impact
• Partner closely with Engineering, Product, and GTM
• Move fast, test aggressively, and kill ideas that don't work

What We're Looking For
You likely have:

• Strong engineering fundamentals and experience shipping real systems
• Comfort working across the stack (frontend, backend, infra, data)
• Experience with APIs, datasets, evals, or developer tooling
• Background in high-growth startups or highly ambiguous environments
• Ability to communicate clearly with a technical audience

You might have:

• Built tools, benchmarks, or demos that became externally useful
• Written technical content grounded in systems you actually built
• Shipped side projects that attracted real developer usage or attention
• Worked at the intersection of product, engineering, and growth

You definitely have:

• High agency and velocity
• Strong technical taste (signal > noise)
• A founder mentality - no task is beneath you
• Obsession with outcomes, not activity

Benefits
Beyond the below, we care deeply about each of our candidates on a personal level. We take the time to understand your needs to craft a package designed for you:

• Insurance - 90% health insurance premium coverage
• Relocation - for candidates based outside of NYC
• Unlimited PTO policy - we trust everyone like owners, take what you need
• Daily lunch & snacks covered (plus dinner if you're in the office late) - you'll never go hungry and you help pick the snacks
• Unlimited token / tooling access - no handicaps on your productivity
• Learning and development investment - we invest heavily in our team and support your growth

Extend is an Equal Opportunity Employer. We consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, citizenship status, marital status, pregnancy, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.