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StrataScratch
DataLemur
Datacamp
LeetCode
SQLBolt
HackerRank
LeetCode
Codility
CodeSignal
iMocha
HackerEarth
Codewars
TestGorilla
PrepNPlaced is an AI career platform built for data and tech roles in India. Start free: score your resume against a real job description and see keyword, evidence and readability gaps the way an ATS does. Practise 503 real interview questions in SQL, Pandas, PySpark, Python and system design, running live against real datasets in the browser. Sit AI mock interviews covering coding, system design and voice follow-ups. Search live jobs ranked by resume fit. Read 52 free handwritten note sets, 1,127 pages across 19 topics. Paid plans add unlimited practice and application automation; live cohorts teach data engineering.
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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.
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Based on our record, HackerRank seems to be more popular. It has been mentiond 67 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.
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 if anyone know any alternative that works like Working: Gives a challange User sumbits code and it test into testcases. Source: over 2 years ago
An effective way to improve your JavaScript skills is working through coding challenges and exercises. Sites like ReviewNPrep, FreeCodeCamp, and HackerRank have tons of challenges that allow you to practice JavaScript concepts by building mini-projects and solving problems. These hands-on challenges force you to apply what you learn. Source: almost 3 years ago
I'm 18M Indian. Growing up I've always been a daydreamer, if you may. Since 8th grade - I'm fascinated by programming. And I'm good at it too. But I'm not cocky too. I wouldn't say I'm at an advanced level, but I can most probably solve any problem - in time - with my skills. I also keep my skills brushed by solving problems on Hacker Rank (every day or alternate days) and try my best to contribute on... Source: almost 3 years ago
StrataScratch - StrataScratch is a data science interview platform that has over 1000+ real interview questions from top tech companies like Facebook, Amazon, Google, and more.
LeetCode - Practice and level up your development skills and prepare for technical interviews.
DataLemur - Practice SQL Interview Questions & Data Science Interview Questions asked by FAANG.
Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
Datacamp - DataCamp is a massive open online course (MooC) platform that helps everyone from novices to experts hone their skills with data science.
CodeSignal - CodeSignal is the leading assessment platform for technical hiring.