SkillHacker

SkillHacker is a web platform for software engineers preparing for technical interviews. Practice untimed with hints and explanations, or take timed challenge sessions drawn from your role, skill categories, or collections. Content covers languages, algorithms, SQL, system design, and more—organized by role and seniority. Track progress on a dashboard, sign in with Google/GitHub/email, and use dark/light themes. Free tier with daily limits; paid plans planned. PWA support for practice on the go.