Litmus is a New York City-based company that provides async work trials for engineering candidates [1][2]. Founded in 2026, the company participated in Y Combinator's Summer 2026 batch [3]. The company operates with a team of three people [4]. Litmus evaluates job candidates through async technical assessments generated from a company's own technical context, including repositories, tickets, and job descriptions [5]. Candidates complete these assessments in their own work environment using their preferred tools [5]. The platform tracks candidate process and output, with submissions running in a sandbox environment [5]. Grading is customized to each company's standards across tool fluency, process, and outcome [5].
About
- Litmus is the most accurate read on how an engineer actually builds. We evaluate candidates through async technical assessments built from your own tech context (repos, tickets, and job descriptions), generated from scratch and scoped as real end-to-end features. Candidates work in their own setup with all their tools including AI, while we track and evaluate their process and output. Every submission runs in a sandbox, and grading is tuned to your company across tool fluency, process, and outcome. You get a real read on how someone actually builds, not just how they interview.[5]
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