Codility
HackerRank
CodeSignal
iMocha
HackerEarth
TestGorilla
mettl
DevSkiller
TheCodeForge.io
GeeksforGeeks
Tutorialspoint
Programiz
The Codility platform includes:
CodeCheck - Design role-specific remote skills assessments to screen your technical candidates before moving them to the interview stage.
CodeLive - Host technical remote or onsite interviews via our shared editor using a range of templates and whiteboards.
CodeEvent - Assess thousands of candidates at a time via technical recruiting events and find the best talent faster.
TheCodeForge.io is the forge where developers become senior engineers. Battle-tested tutorials, 100+ interview questions with production stories, modern Java 25 features, Spring Boot, Python, DSA patterns, and System Design โ all explained with real code and real-world lessons. Built by senior devs for devs who ship. Free forever.
Codility TheCodeForge.ioNo TheCodeForge.io videos yet. You could help us improve this page by suggesting one.
TheCodeForge.io's answer:
TheCodeForge is built by senior engineers for senior engineers. Every tutorial and interview question includes real production war stories, runnable code using the io.thecodeforge.* package standard, and tactical advice you can actually use on the job โ not just theory. No fluff, no paywalls, always free.
TheCodeForge.io's answer:
Because we focus on depth and production reality instead of surface-level lists. You get 100+ interview questions with full explanations, real code, and senior-level insights (including Java 25 features), plus pillar-style deep dives that actually prepare you for real interviews and real jobs โ not just passing a test.
TheCodeForge.io's answer:
Mid-to-senior developers and engineers who want to level up fast. People preparing for Java/Spring Boot interviews, working on production backends, or looking for practical, no-BS content that goes beyond beginner tutorials.
TheCodeForge.io's answer:
We got tired of interview prep sites filled with shallow answers and outdated tutorials. So we built TheCodeForge as the place where developers are โforgedโ into senior engineers โ with real code, real production stories, and zero fluff.
TheCodeForge.io's answer:
Frontend: Modern HTML + Tailwind CSS + custom SVG illustrations
Backend/Content: Static site with JSON-driven articles
Core focus: Java, Spring Boot, Python, DSA, System Design & modern JVM features (Java 21โ25)
TheCodeForge.io's answer:
Individual developers preparing for FAANG-level and senior Java/Spring Boot interviews
Engineering teams using our content for internal upskilling and interview training
Self-taught developers transitioning into production-grade backend roles
Based on our record, Codility seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
- Technical skills: have they got the walk to match the talk? Programming languages on a resume mean little if candidates are unable to demonstrate their hard coding skills. You can test these skills with technical skill tests, such as the ones created by Codility or HackerRank. - Source: dev.to / over 2 years ago
Codility : Verify and improve coding skills. - Source: dev.to / over 5 years ago
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
GeeksforGeeks - A computer science portal for geeks
CodeSignal - CodeSignal is the leading assessment platform for technical hiring.
Tutorialspoint - Simply Easy Learning At Your Fingertips Tutorials Point is a leading Ed-Tech company providing the best learning material on technical and non-technical subjects. Learn from free tutorials, premium courses, and eBooks all in one place.
iMocha - Make intelligent talent decisions.
Programiz - Free e-learning platform for programming beginners.
