CodeSignal, a platform that helps recruiters screen engineering candidates through automated technical assessments, has raised $25 million. : Learn how to accelerate customer service, optimize costs, and improve self-service in a digital-first world. CodeSignal, a platform that helps recruiters prescreen software development candidates through automated technical assessments, has raised $25 million in a series B round of funding led by Menlo Ventures. The funding comes as demand for remote tools reaches an all-time high, with businesses embracing online meetings and events, virtual collaboration tools, asynchronous video messaging, and digital recruitment.