Coding tests catalog

C#
SENIOR
Tested skills
Duration
75 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of .NET, C#

Programming task - Level: Hard

.NET | C# | Threads | Bank gateway for booking transactions in Central Accounting System - Implement the IBookingGateway interface (create own class in a separate file in theBookingGatewayService project and implement it) and finish implementation of the BookingGatewayFactory class, which should create objects of IBookingGateway.

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iOS
SENIOR
Tested skills
Duration
165 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Swift, iOS

Programming task - Level: Hard

iOS | Swift | Book Keeper App - Initialize the Core Data Stack to work concurrently, including saving on a background thread and generic item fetching on the main thread; implement additional functionality by filling out the missing methods and fixing the UI functionality so that a user would be able to add or edit Company items and Invoices; implement the search functionality in both views. Lastly, he will need to limit the textField entry appropriately in order to pass the tests.

Available in premium plans

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C#
SENIOR
Tested skills
Duration
309 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of .NET, C#

Programming task - Level: Hard

.Net | .Net Core | Back end Alone - Implement .NET Core MVC Model Binder and a simple graph algorithm to support request with a fancy format. This task consists of two objectives. First is to implement model binder that will properly parse incoming request into objective structure. Second objective is to sort this structure (graph) before further processing.

Available in premium plans

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Android
SENIOR
Tested skills
Duration
60 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Java, Android

Programming task - Level: Hard

Android | Bitmap Manipulations - Implement the three operations which should be performed on a selected image prior initiating a share.

Available in premium plans

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Tested skills
Duration
minutes max.
Evaluation
Manual
Test overview

Choice questions

assessing knowledge of .NET, C#

Programming task - Level: Hard

.NET | C# | Threads | Bank gateway for booking transactions in Central Accounting System - Implement the IBookingGateway interface (create own class in a separate file in theBookingGatewayService project and implement it) and finish implementation of the BookingGatewayFactory class, which should create objects of IBookingGateway.

Available in premium plans

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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.

Available in premium plans

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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.

Available in premium plans

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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.

Available in premium plans

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

Choice questions

assessing knowledge of iOS, Swift, Android, C, Kotlin, Java

Programming task - Level: Hard

iOS | Swift | Conference App Senior - Implement a network service that is used to interact with the server.

Programming task - Level: Hard

Android | Async call from native to Java via JNI - Provide the missing JNI part of the native-Java communication combo that fulfills the certain requirements.

Available in premium plans

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

Choice questions

assessing knowledge of SQL

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.

Available in premium plans

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React
SENIOR
Tested skills
Duration
59 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of ES6, JavaScript, JS, React, Angular2+, Typescript, AJAX, Web development

Programming task - Level: Hard

React | Simple Website Builder - This task evaluates the candidate's skills in React, Redux and redux-form.

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Angular
SENIOR
Tested skills
Duration
105 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of ES6, JavaScript, Angular2+, Typescript, AJAX, Web development

Programming task - Level: Hard

Angular 2+ | Signup Flow | Components and routing - Complete user registration flow by setting up routing, integrating the signup form with data services and adding proper input validation.

Available in premium plans

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