Middle developer skill test and interview questions

Use a Middle developer skill test to assess and measure the abilities of Middle-level job applicants. Pick a test from our wide range of frameworks, such as C++, Django, and JavaScript. Make better use of your time and screen applicants with a test to take only the best applicants through to the next stage of the interview process.

SQL
MIDDLE
Tested skills
Duration
53 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL, PostgreSQL

Code gaps

assessing knowledge of PostgreSQL, SQL

Task - Level: Medium

SQL | PostgreSQL | Music Store | Time function - Calculate the duration of all songs in each cd and output a list.

python
MIDDLE
Tested skills
Duration
86 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Python 3.x

Code gaps

assessing knowledge of Lambdas, Python 3.x, QA

Programming task - Level: Medium

Python | API Flask - You are working as a member of a Data Science team that is responsible for creating simple linear functions to predict various economic indicators. You are a new member of the Software Development Team and your goal is to expand the current Flask application to let Data Scientists post their models via API, store them in a Database, view them and get some predictions out of them, based on an input value.

Flask
MIDDLE
Tested skills
Duration
106 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Python 3.x

Code gaps

assessing knowledge of Flask, Microservices, Python 3.x

Programming task - Level: Medium

Python | Flask, Matplotlib | Math Models Verifier - Implement an application to assist Data Scientists in storing their models and getting the predictions from them.

python
MIDDLE
Tested skills
Duration
93 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Python 3.x

Code gaps

assessing knowledge of Python 3.x

Programming task - Level: Medium

Python | REST Client for Shipping company - A simple and customizable shipment manager with a client for a REST API of a shipping company uses a simple Basic Auth and uses its own custom, serializable data structures. This task will test practical Python 3 skills as well as basic REST API interaction knowledge. This application uses Python 3 and OAuthLib 3.1.0.

python
MIDDLE
Tested skills
Duration
63 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Python 3.x

Code gaps

assessing knowledge of Python 3.x

Programming task - Level: Medium

Python | Drug Analyzer - You are a member of a biotechnology programming team that is responsible for creating a system for lab technicians, which will assist them with drug analysis. Your goal is to create the application that will let them input their findings into the system, provide a meaningful analysis and verify the correctness of the data that they have sent.

junit
MIDDLE
Tested skills
Duration
66 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of QA, Testing, Unit-Testing, Manual Testing

Code gaps

assessing knowledge of JUnit 5, Java, QA

Programming task - Level: Medium

QA | JUnit | ATM Service | Authentication and deposit validation

Salesforce
MIDDLE
Tested skills
Duration
93 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SOQL, Salesforce, SOSL, Apex

Code gaps

assessing knowledge of SOQL, Salesforce, Apex

Programming task - Level: Medium

Salesforce | SOQL | Opportunities Counting - Counting Opportunities with Orders in a given fiscal year.

Programming task - Level: Medium

Apex | Record Updater Identification - Your task is to write a method that runs every time Opportunity is updated.

Selenium
MIDDLE
Tested skills
Duration
48 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of QA, Selenium, .NET, C#

Code gaps

assessing knowledge of Java, QA, Selenium

Programming task - Level: Medium

QA | .NET, Selenium | Data extraction - Implement methods in class SeleniumTask.SeleniumExecutor to pass successfully all tests.

azure
MIDDLE
Tested skills
Duration
78 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of CLI, DevOps, SysOps, Terraform, Azure

Code gaps

assessing knowledge of Terraform

Programming task - Level: Medium

DevOps | Terraform, Azure | VMSS - Use Terraform azurerm provider to provison VMSS with single outbound IP

junit
MIDDLE
Tested skills
Duration
73 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Java and QA

Code gaps

assessing knowledge of Java and QA

Programming task - Level: Medium

QA | Java, JUnit | Vending Machine - Write unit tests for the verification of a Vending machine.

Java
MIDDLE
Tested skills
Duration
69 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of API, Java

Code gaps

assessing knowledge of Java, Java Stream API, Streams

Programming task - Level: Medium

Java | Standard Search Engine - Implement engine for product searching based on simple and compound predicates.

.NET
MIDDLE
Tested skills
Duration
73 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of .NET, WCF, WCF features, Web applications & Web Services, Windows Communication Foundation, BasicHttpBinding, NetNamedPipeBinding

Code gaps

assessing knowledge of .NET, Basic Common topics, C# basics, C#

Programming task - Level: Medium

.NET | WCF Currency Exchange service - Implement the rest of the methods for the Currency Exchange Rates WCF Service.

.NET
MIDDLE
Tested skills
Duration
43 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of .NET, C#

Code gaps

assessing knowledge of .NET, Basic Common topics, C# basics, Advanced memory management, Object - disposing, Advanced debugging, dotnet-trace tool

Programming task - Level: Medium

.NET | Anonymizer - Implement couple of anonymization methods, probably using regular expressions.

Java
MIDDLE
Tested skills
Duration
97 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Java

Code gaps

assessing knowledge of Java

Programming task - Level: Medium

Java | Precomputing Search Engine - Implement the optimized engine for the product search, based on the precomputation task to precompute the results for any set of the options.

Java
MIDDLE
Tested skills
Duration
39 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Java

Code gaps

assessing knowledge of JUnit 5, Java, QA

Programming task - Level: Medium

Java | JUnit | Flight Manager - Implement the missing features into the application responsible for managing flights data.

Java
MIDDLE
Tested skills
Duration
57 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Java, Spring Boot

Code gaps

assessing knowledge of PostgreSQL, SQL

Programming task - Level: Medium

Java | Spring Boot | Items Retriever Microservice - Implement a microservice to retrieve items from the shopping system.

JavaScript
MIDDLE
Tested skills
Duration
62 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of JavaScript, Redux

Code gaps

assessing knowledge of HTML, HTML5, CSS

Programming task - Level: Medium

JavaScript | Redux Selectors | HR Department Trainings - Implement redux reducers and selectors correctly.

.NET
MIDDLE
Tested skills
Duration
44 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of .NET, Desktop & Mobile applications, Windows Presentation Foundation

Code gaps

assessing knowledge of .NET, C#, Desktop & Mobile applications, Windows Presentation Foundation

Programming task - Level: Medium

.NET | WPF | User Data Registration WPF Module - Finish the implementation meeting requirements such as set proper layouts, styles, and binding for specified components.

React Native
MIDDLE
Tested skills
Duration
107 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of React Native

Code gaps

assessing knowledge of JavaScript, React Native

Programming task - Level: Medium

React Native | Cheeper - a new social media app - Finish the implementation so that basic socializing would be possible.

Java
MIDDLE
Tested skills
Duration
47 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Java, Spring Boot, Hibernate

Code gaps

assessing knowledge of Hibernate, Java, JPA

Programming task - Level: Medium

Java | Spring Boot, JPA | Repositories - Implement all methods in the ItemRepository class.

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