Toolmill Briefswhat companies are building, read from their hiring

Company brief · updated 2026-10-19

Extend

extend.ai · B2B · Parse, extract, and split your hardest documents with unmatched accuracy. Read any layout with specialized vision models, and ship reliable pipelines in minutes, not months.

9open roles
2new in 30 days
0closed in 30 days
0remote-eligible
insufficient_datahiring velocity

What they're building

Core document processing platform, models and deployment strong signal

Today: Document parsing, extraction and splitting APIs for developers and agents, which the site says process millions of pages a day

Roles: Software Engineer · Machine Learning Researcher · Forward Deployed Engineer · Applied AI/ML Engineer · Staff Software Engineer

Requirements mention: document processing cloud · core platform · durable, scalable systems · large data streams · vision models · on-prem deployments · document layout awareness

Inference: the five Engineering roles point to continued work on the core platform, the parsing models and customer deployments, including on-prem setups. Opening dates run from 2024-12-15 to 2026-01-22.

Review and optimization agents moderate signal

Today: A multi-pass review agent that flags potential errors, and the Composer optimization agent that refines schemas

Roles: Applied AI/ML Engineer

Requirements mention: QA Agent · optimizer agent · self-correcting system · model performance · experiments

Inference: the posting's QA agent and optimizer agent match the review agent and Composer described on the site. This points to continued work on those existing features rather than a new product. It rests on one posting, open since 2024-12-15.

Go-to-market build-out in New York City moderate signal

Today: Sold to startups and large companies; the site says Series A with hundreds of customers and millions in ARR

Roles: Founding Account Executive · Start-up / Field Marketing Lead · Founding GTM Ops Lead

Requirements mention: consultative selling · technical discovery · proof-of-concepts · enterprise pricing models · conference marketing · booth build · lead routing · comp and quota design

Inference: three go-to-market roles (two in GTM, one in Operations) covering sales, field marketing and sales operations suggest the company is adding sales and marketing capacity around its existing product. With only three roles, this is a tentative reading.

Customer technical support and account management weak signal

Today: API customers who integrate document processing into their products

Roles: Founding Technical Account Manager

Requirements mention: APIs · debugging · integration · account management · technical support

Not enough roles to infer a next step from one posting.

Where the headcount is going

DepartmentOpen
Engineering5
GTM2
CX1
Operations1

Of 9 open roles, 5 are in Engineering, 2 in GTM, 1 in CX and 1 in Operations, all listed in New York City; the 2 opened in the last 30 days are in CX and GTM.

Who they need

Seniority: Mid 3, senior 1, staff 1, unknown 4.

Skills named most: LLMs, LLM techniques, vision models, multimodal models, complex data processing, durable, scalable systems, large data streams, AI research, API architecture, on-prem deployments, data pipelines, customer success

Locations: All 9 roles are listed as New York City. No remote roles are listed.

How to use this

If you're applying: Most open roles are in Engineering in New York City, so apply there if you have LLM and document processing experience. Use each posting's requirements to test your fit. The newest openings are the Founding Technical Account Manager and the Field Marketing Lead, and four go-to-market and customer roles carry 'Founding' titles.

If you're selling or recruiting: Engineering has the most open roles (5); three have been open since 2024-12-15 and the newest since 2026-01-22. Both roles opened in the last 30 days are outside Engineering (CX and GTM). Founding Account Executive, GTM Ops and Technical Account Manager roles are also open, so sales and customer leaders are also relevant contacts. The team is based in New York City and lists no remote roles.

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Open roles (9)

TitleDepartmentLocationPosted
Founding Technical Account ManagerCXNew York City2026-10-08
Start-up / Field Marketing LeadGTMNew York City2026-09-25
Founding GTM Ops LeadOperationsNew York City2026-08-03
Software EngineerEngineeringNew York City2026-01-22
Machine Learning ResearcherEngineeringNew York City2025-07-20
Founding Account ExecutiveGTMNew York City2025-07-20
Forward Deployed EngineerEngineeringNew York City2024-12-15
Applied AI/ML EngineerEngineeringNew York City2024-12-15
Staff Software EngineerEngineeringNew York City2024-12-15