TesterArmy Raises €1.04M Pre-seed

TesterArmy, a San Francisco- and Warsaw-based startup that provides AI-powered software testing agents, has raised €1.04 million in a pre-seed funding round. The company, founded in 2026, aims to replace manual test scripting with autonomous AI agents that verify user journeys across web and mobile applications using plain language instructions.

Investors

The funding round included participation from Y Combinator, AIP Seed, Eight Capital, and Script Capital. Additional angel investors include Guillermo Rauch, founder of Vercel; Walden Yan, co-founder of Cognition; Charlie Cheever, CEO of Expo; Zeno Rocha, founder of Resend; Fernando Rojo, Head of v0 at Vercel; and Fryderyk Wiatrowski, CEO of Viktor.

TesterArmy Use of Funds

TesterArmy plans to use the capital to grow its engineering and operations team and to scale its software testing platform to support hundreds of additional companies.

About TesterArmy

Founded in 2026 by Szymon Rybczak and Oskar Kwaśniewski, TesterArmy provides autonomous AI agents that test software by simulating real user journeys. Designed for high-velocity engineering teams, the platform allows users to describe testing goals in plain language, eliminating the need for traditional test scripts, source code access, or complex maintenance.

Funding Details

Company Website: https://tester.army

Company: TesterArmy
Raised: €1.04M
Round: Pre-seed
Funding Date: September 15, 2026
Additional Investors: Y Combinator, AIP Seed, Eight Capital, Script Capital, Guillermo Rauch, Walden Yan, Charlie Cheever, Zeno Rocha, Fernando Rojo, Fryderyk Wiatrowski
Software Category: Developer tools
Source: https://www.therecursive.com/yc-proven-testerarmy-raises-eur1m-for-ai-agents-that-test-software/