Coding tests catalog

Kotlin
MIDDLE
Tested skills
Duration
70 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Kotlin

Programming task - Level: Medium

[Single File] Kotlin | Orders Analyzer | Find an average ordered quantity for every weekday - Implement a method that will analyze orders dataset and return a map with total ordered quantity of a product for every weekday

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Java
JUNIOR
Tested skills
Duration
68 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Java

Programming task - Level: Easy

[Single File] Java | Find duplicates - Implement findDuplicates method that returns a new list containing duplicates which occured N-times.

Choice questions

assessing knowledge of ES6, JavaScript, Typescript

Programming task - Level: Easy

JavaScript | Node.JS | Websocket server - Complete the server.js file in order to finish the WebSocket server.

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PHP
MIDDLE
Tested skills
Duration
60 minutes max.
Evaluation
Automatic
Test overview

Code gaps

assessing knowledge of SQL

Choice questions

assessing knowledge of ES6, JavaScript, CSS, HTML, WCAG 2.0, Web Accessibility

Programming task - Level: Medium

PHP | Categories Repository - Implement PDO queries that will return valid results about movies to users.

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PHP
SENIOR
Tested skills
Duration
88 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL, ES6, JavaScript, AJAX, Web development

Programming task - Level: Hard

PHP | XML-CSV Converter - Implement filtering and data transformation methods to pass all the tests.

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HTML
SENIOR
Tested skills
Duration
133 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of AJAX, JavaScript, Web development, ES6, Typescript, CSS, HTML

Programming task - Level: Hard

[Single File] JavaScript | Social Media Queries | Find friends by name - Implement a function to find user's friends by their name.

Programming task - Level: Hard

CSS/HTML - Flexbox navigation bar - Complete CSS definition and use Flexbox to layout components.

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PHP
JUNIOR
Tested skills
Duration
41 minutes max.
Evaluation
Automatic
Test overview

Code gaps

assessing knowledge of SQL, CSS, HTML

Choice questions

assessing knowledge of JavaScript

Programming task - Level: Easy

PHP | Faker | Basic data manipulation - Implement all the methods in the app/Faker class.

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MIDDLE
Tested skills
Duration
70 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Machine Learning, Python

Programming task - Level: Medium

Python | DNA Analyzer | Create and clean DNA strands - Implement 2 methods in Python that create and clean DNA strands.

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Python
MIDDLE
Tested skills
Duration
168 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of CSS, HTML

Programming task - Level: Medium

Python | Django | Leave request application | Basic CRUD - Complete an application for managing employee leave requests using Django Framework.

Programming task - Level: Medium

JavaScript | Social Media Queries | Find potential likes - Implement a function to find books which are considered as potential likes.

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SENIOR
Tested skills
Duration
56 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL, MongoDB, NoSQL

Code gaps

assessing knowledge of Mongo, MongoDB

Task - Level: Hard

SQL | Fill sparse table - Write a query that will return the list of all users with the creation date and return the date from the previous not-null row for the entries affected with the bug.

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Python
JUNIOR
Tested skills
Duration
49 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Machine Learning

Programming task - Level: Easy

Python | DNA Analyzer - Implement a method in Python that generates DNA statistical report.

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