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Extend

AI-powered document processing platform

aiNew York City, NY1-50Series AOnsiteFounded 2023Salary transparent
About

Extend builds a platform for parsing, extracting, and processing unstructured documents into high-quality structured data using vision models and LLMs. It serves AI teams and companies in finance, healthcare, and other industries handling millions of documents daily. This enables reliable production pipelines for complex data extraction without months of custom development.

Tech stack
ReactNodeTypeScriptPostgreSQLRedisPythonPyTorchTransformersJavaScriptKubernetesAWSDockerComputer Visionoutbound prospecting
Perks & benefits
90% health insuranceUnlimited PTORelocationMeaningful equity
Open roles 10

Social Media Marketer

Owns social media strategy and execution on X and LinkedIn for developer-focused AI startup, including executive content, campaigns, community engagement, and metrics. Requires strong writing to simplify technical topics and experience scaling social accounts.

New York, NYGrowth MarketingOn-siteLinkedInX (Twitter)

Software Engineer

Builds scalable systems for LLM-powered document processing platform, designs novel human-AI interfaces, and owns full-stack product areas. Requires 3+ years experience, CS fundamentals, and AI interest for mission-critical enterprise use.

New York, NYFullstack EngineeringOn-site3+ YOEAWSLLMs

Solutions Engineer

Acts as primary technical interface for customers evaluating Extend's document processing platform, designing solutions, running POCs, answering deep technical questions on APIs/security/AI, and partnering with sales to close deals. Requires 3+ years in sales/solutions engineering with strong technical foundation.

175k – 225kNew York, NYSales EngineeringOn-site3+ YOEAIAPIs

Growth Engineer

Builds and ships public-facing technical projects like benchmarks, demos, and microsites to drive developer adoption and revenue for a document processing platform. Requires full-stack engineering skills, experience with APIs/datasets/evals, and high agency in ambiguous startup environments.

170k – 200kNew York, NYGTM EngineeringOn-siteAPIsEvals

GTM

Drives outbound sales pipeline by prospecting high-value technical accounts, crafting personalized outreach to engineers and AI teams, and partnering with Sales, Marketing, and Product. Requires 0-1+ years sales experience in developer tools, top performance track record, and GTM tool proficiency.

New York, NYSales DevelopmentOn-siteEntry levelCRMUnify

Founding ML Engineer

Builds state-of-the-art vision models and novel LLM techniques for document processing infrastructure. Monitors production models, runs experiments, and owns large product areas in a high-impact founding role.

200k – 350kNew York, NYML EngineeringOn-siteLLMsPyTorch

Founding Account Executive

Leads end-to-end enterprise sales for document processing platform using OCR/LLM tech, guiding technical prospects from discovery and POCs to production deployment while navigating complex stakeholder processes and building long-term customer relationships.

New York, NYAccount ExecutiveOn-siteOcrLLMs

Forward Deployed Engineer

Acts as primary technical interface for customers, designing solutions, running POCs, diagnosing issues, and building relationships to deploy Extend's AI document processing platform. Focuses on solving complex LLM edge cases and inspiring enterprise adoption.

175k – 250kNew York, NYSolutions ArchitectureOn-siteAILLMs

Applied AI/ML Engineer

Builds state-of-the-art document processing infrastructure using LLMs, including QA agents, optimizers, multimodal models, and self-correcting systems. Monitors production models, runs experiments, and owns large product areas for real-world customer impact.

200k – 350kNew York, NYML EngineeringOn-siteAILLMs

Staff Software Engineer

Builds scalable systems for document processing using LLMs and AI/ML, designs novel human-AI interfaces, and owns end-to-end projects in a high-growth startup. Requires 7+ years experience deploying production AI systems with high agency.

250k – 300kNew York, NYBackend EngineeringOn-site7+ YOEAWSLLMs