AI product development agency for startups and enterprises
Rootstrap is a 201–500-person product and engineering agency focused on shipping production-grade AI applications. The stack is JavaScript-forward (Node.js, React, Next.js, TypeScript) with strong testing infrastructure (Jest, Cypress, Testing Library), and hiring is concentrated in engineering (17 roles) and design (3 roles) across nearshore geographies—a shape that supports their stated model of embedding senior teams into client roadmaps. Current project focus runs heavy on LLM-based tools (RAG systems, multi-agent copilots) and AI-accelerated feature delivery.
Rootstrap is a digital product agency founded in 2011, headquartered in the United States, that partners with startups and enterprises to build and scale AI-powered applications. The firm combines product strategy, UX design, and engineering execution, positioning itself around production-grade delivery rather than prototypes. Work spans fintech, healthcare, SaaS, and consumer sectors. Hiring is active in Uruguay, Colombia, and Argentina, reflecting a nearshore delivery model with mid-level and senior engineering talent.
Node.js, React, Next.js, and TypeScript are core. Testing relies on Jest, Cypress, and Testing Library. Backend options include Ruby on Rails, PostgreSQL, and MongoDB. Tooling spans Jira, Slack, HubSpot, and Google Analytics 4.
LLM-based solutions including RAG systems, multi-agent tools, and copilots. Also building end-to-end AI-powered features and scalable APIs for AI functionality in collaboration with client product and engineering teams.
Rootstrap's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →
This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.