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MongoDB

MongoDB online coding tests & interview questions

Java
SENIOR
Tested skills
Duration
71 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Java, Multithreading

Code gaps

assessing knowledge of MongoDB

Programming task - Level: Hard

Java | Circuit Breaker and Retry pattern - Implement circuit breaker, fallback and retry pattern in microservice architecture.

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

Choice questions

assessing knowledge of Python, NoSQL, MongoDB

Code gaps

assessing knowledge of Python, NoSQL, MongoDB

Programming task - Level: Medium

Python | MongoDB | Stock market quotes | Recent Prices - Loading and querying stock market data with MongoDB collections.

Python
SENIOR
Tested skills
Duration
66 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Python, NoSQL, MongoDB

Code gaps

assessing knowledge of Python, NoSQL, MongoDB

Programming task - Level: Hard

Python | MongoDB | Stock market quotes | Collection - Loading and querying stock market data with MongoDB collections.

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

Choice questions

assessing knowledge of Java and Spring Boot

Code gaps

assessing knowledge of Java and MongoDB

Programming task - Level: Medium

Java | MongoDB, Spring Boot | Flight searcher with MongoDB cache - Implement code that will be able to query multiple airlines for prices according to the client’s request.

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

Choice questions

assessing knowledge of MongoDB, NoSQL

Code gaps

assessing knowledge of Python

Programming task - Level: Easy

Python | MongoDB | Stock market quotes - Load and query stock market data with MongoDB collections.

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

Programming task - Level: Hard

JavaScript | React, Redux | Address Book - Implement missing features of a small React web application built on top of Redux.

Programming task - Level: Medium

JavaScript | Node.js | Address book - Implement endpoints to fetch the list of contacts (with a phase matching and results limiting), fetch details of a single contact and to delete the given contact.

Code gaps

assessing knowledge of MongoDB

MongoDB
MIDDLE
Tested skills
Duration
51 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL, MongoDB, NoSQL

Code gaps

assessing knowledge of MongoDB

Task - Level: Medium

SQL | Customer Data - Find all the customers whose first and last names are not unique in this database, as well as the number of times each first and last name pair appears in the database.

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

Choice questions

assessing knowledge of SQL, MongoDB, NoSQL

Code gaps

assessing knowledge of 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.

MongoDB
JUNIOR
Tested skills
Duration
27 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL, MongoDB, NoSQL

Code gaps

assessing knowledge of MongoDB, SQL

Task - Level: Easy

SQL | Stamps catalogue | CASE statement - Make a select statement, by which you will divide your stamps collection into 3 groups.

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

Choice questions

assessing knowledge of ExpressJS

Programming task - Level: Medium

Angular 2+ Notepad App

Programming task - Level: Medium

Node.JS - Mongo - Course report

Code gaps

assessing knowledge of MongoDB

Java
SENIOR
Tested skills
Duration
42 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Java, Spring, Spring - Dependency Injection

Programming task - Level: Hard

Java | Spring Boot, MongoDB, REST API | Blog app - Add a comments feature to a simple Spring Boot REST blog application.