
LeetCode
Codility
CodeSignal
iMocha
HackerEarth
Codewars
TestGorilla
HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

Wellfound
WeWorkRemotely
indeed
Simplify Jobs
Remote OK
LinkedIn
TopStartups.io
For people with 0-10 years experience. From engineering to sales, discover jobs & internships at London's most innovative companies.

Which is more popular?
HackerRank might be a bit more popular than Otta. We know about 67 links to it since March 2021 and only 60 links to Otta.
Website, pricing, platforms and company facts side by side.
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| Website | hackerrank.com | otta.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
HackerRank is recommended for students, individual learners, and job seekers looking to improve their coding skills, as well as for companies seeking an efficient way to evaluate candidates' technical abilities during the hiring process.
Overall verdict
Why this product is good
Recommended for
Otta is recommended for tech professionals, recent graduates, and anyone interested in working at startups or fast-growing companies. It is particularly beneficial for those who appreciate in-depth company insights and value a streamlined job search experience.
Walkthroughs and reviews on video.
Is HackerRank A Good Idea?
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HackerRank and Otta. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


What are LeetCode and LeetCode alternatives good for?LeetCode💡Interested in leveling up your career? Apply to the Formation Fellowship...
HackerRank’s challenges cover a wide range of topics and difficulty levels, allowing developers to enhance their problem-solving skills and learn new algorithms and data structures. The competitive nature of...
HackerRank offers a wide array of challenges across various domains such as algorithms, mathematics, SQL, and functional programming. Its interface is user-friendly, and the platform provides detailed feedback on...
Best for Discovering Startup CulturesOtta sets itself apart by emphasizing the importance of company culture in the job search. It tailors its job recommendations to your career aspirations, skills, and preferred...
Recommendations tracked on public social media and blogs since March 2021.


This way, you transfer what you already know (problem-solving) but only change the syntax. Platforms like Hackerrank are also great to solve the same problem in different languages and learn from other people’s solutions. - Source: dev.to / about 1 year ago
Firstly, solve some common data structure problems with it. Implement some data structures like arrays, linked lists, stacks, queues, etc. You can check common problems on LeetCode, Hackerank or some other resources. - Source: dev.to / over 2 years ago
I don't have a consecutive internet connection and I can't keep up learning process so I started practicing in hackerrank.com I have started some challenges in python and c++ there. Thus I have no internet connection so I cannot practice... Source: almost 3 years ago
Otta is a relatively newer player that has taken the tech world by storm with its heavily curated approach to tech roles. - Source: dev.to / 5 months ago
Otta’s job posting platform aims to streamline the job search and provide qualified candidates with insights about companies and open jobs. Its carefully crafted user experience makes the job search as painless as possible. - Source: dev.to / about 2 years ago
I haven't used it from the hiring side, but I've seen a decent number of early stage companies using cord.co. There's also a startup called Otta - https://otta.com/. Not affiliated with either. - Source: Hacker News / over 2 years ago
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