Qualified.io operates in the developer assessment market, providing a platform that allows companies to evaluate the technical skills of software engineers through customizable coding tests. The platform serves tech companies and organizations that need to assess and hire software developers efficiently. Qualified.io offers a library of professionally built coding assessments and also allows users to create custom coding projects tailored to their specific needs. The assessments are conducted in a natural coding environment, making it easier for companies to gauge the real-world coding abilities of their candidates. The business model is subscription-based, where clients pay for access to the platform and its features. Revenue is generated through these subscriptions as well as through consultations and additional services. Qualified.io leverages the expertise and community of Codewars, a developer community with over a million users, to continuously improve its assessment tools. The platform provides detailed insights and analytics to help companies make informed hiring decisions.

Keywords: developer assessment, coding tests, technical skills, software engineers, customizable projects, tech companies, hiring, Codewars, analytics, subscription-based.