
CodingInterview
AlgoExpert.io
Interview Cake
interviewing.io
Daily Coding Problem
Codechef
CodeForces
LogicMojo
SkillHacker.io
LeetCode
Codewars
Coderbyte
HackerEarth
CodingInterview
SkillHacker.ioSkillHacker.io's answer:
SkillHacker helps developers level up through targeted testingโnot passive learning. Practice mode: hints, no timer, learn at your pace. Test mode: benchmark skills against peers targeting the same role. See exactly where you stand vs. real averages. 4-option questions focused on interview-ready fundamentals. Track progress, identify gaps, and build confidence before your next technical interview. Free to start, no credit card.
SkillHacker.io's answer:
Choose SkillHacker for active, role-focused testingโnot passive tutorials. Practice mode: learn with hints, no timer. Test mode: benchmark skills against devs targeting your same role, not generic averages. See real gaps, track progress, prep for interviews. 4-option questions on job-ready fundamentals. Free start, no credit card. Learn intentionally, grow measurably.
SkillHacker.io's answer:
Individual developers across all levels and stacks: frontend, backend, mobile, game dev, systems, and DevOps. SkillHacker serves English-speaking engineers preparing for technical interviews, validating skills for grade-ups, or benchmarking promotion readiness. Our audience chooses active, role-specific testing over passive tutorials to measure progress against peer averages, pinpoint knowledge gaps, and build data-driven confidence before career-defining evaluations.
SkillHacker.io's answer:
SkillHacker was born from personal frustration: I couldn't find any tool to objectively measure my theoretical dev knowledge. Scrolling through 100+ JS questions on GitHub gave no feedback, no progress tracking, no way to know "am I actually ready?" So I built SkillHacker - a platform where developers test actively, see real benchmarks vs. peers, and measure growth. No more guessing. Just data-driven skill validation for interviews and grade-ups.
SkillHacker.io's answer:
SkillHacker is built on a modern, performance-focused stack: Nuxt.js for fast SSR/SSG & SEO, MongoDB for flexible question storage & progress tracking, Tailwind CSS for a responsive UI, and Docker for consistent, scalable deployments. Chosen for speed, maintainability, and rapid iteration - ensuring a smooth, reliable testing experience for developers worldwide.
SkillHacker.io's answer:
AlgoExpert.io - A better way to prep for tech interviews
LeetCode - Practice and level up your development skills and prepare for technical interviews.
Interview Cake - Free practice programming interview questions. Interview Cake helps you prep for interviews to land offers at companies like Google and Facebook.
Codewars - Achieve code mastery through challenge.
interviewing.io - Free, anonymous technical interview practice
Coderbyte - Coderbyte is a place built for anyone to practice and perfect their programming skills.