Challenge Library - Go Rviewer

Our challenge library

Challenge by

Beer tap dispenser API

Develop an API to manage self-service beer tap dispensers

Medium

Backend Developer

Middle · Senior
3 h

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Challenge by

Build a wall

Create the strongest wall of all time! Combine bricks and avoid instability!

Medium

Backend Developer

Junior · Middle
4 h

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Challenge by

Buon APPetito

Create an amazing app that allows your business to handle pizza orders.

Medium

Full-Stack Developer

Junior · Middle
4 h

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Track by

E-wok

Create an online home delivery service for one of the most successful Wok restaurant chains, E-wok.

Easy

Backend Developer
Junior · Middle

Java · JavaScript · Python · + 5
2 h 30 min

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Challenge by

Cartfidential

Create an e-commerce shopping cart based on Blockchain, executing and storing processes in a decentralized way.

Medium

Backend Developer
Middle

Java · JavaScript · Python · + 5
2 h

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Challenge by

DeliverApp

Implement a web app that lets users order snacks from a pub.

Medium

Full-Stack Developer

Middle · Senior
TypeScript · Node.js · Vue

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Challenge by

Dreadful Cherry Tomatoes

Build a web app that lets users find the latest blockbuster movies.

Easy

Frontend Developer

Junior · Middle
JavaScript · Python · + 6

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Challenge by

Dreadful Tomatoes

Build a web app that lets users find the latest blockbuster movies and TV shows.

Medium

Frontend Developer

Middle · Senior
JavaScript · Python · + 6

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Challenge by

EuroVoting system

Build a new voting system with Blockchain, providing a decentralized database and ensuring the immutability of the data.

Hard

Backend Developer
Senior

Java · JavaScript · Python · + 5
3 h

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Challenge by

Event Emitter

Create an event emitter that lets you launch asynchronous events to teammates.

Medium

Backend Developer
Senior

JavaScript · Vanilla
1 h

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Challenge by

Find Four

Create an awesome Find-four game and let the users choose between playing alone or against another friend!

Medium

Frontend Developer

Junior · Middle · Senior
JavaScript · React

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Challenge by

Firebase Chat

Create a chat application using Firebase as your backend.

Medium

Full Stack developer

Junior · Middle
6 h

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Challenge by

Fully-connected developers API

Create an API to see if two Twitter & Github profiles are connected

Medium

Backend Developer
Senior

Java · JavaScript · Python · + 5
5 h

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Challenge by

Gallery Tracking Optimizer

Create an amazing gallery and optimize it based on user interest.

Medium

Backend Developer

Middle · Senior

Java · JavaScript · Python · + 5
3 h

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Challenge by

iBull API

Implement an API that lets users buy and sell actions on the stock market.

Easy

Backend Developer
Middle · Senior

Java · JavaScript · Python · + 5
4 h

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Challenge by

Memory game

Create your own Memory Card game based on pairs of cards.

Medium

Full-Stack Developer

Junior · Middle
4 h

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Challenge by

Optional, a new hope

Fight against the evil Lord NullPointerException implementing your own version of the Optional (based on the Star Wars universe)

Medium

Backend Developer

Middle · Senior
Java
3 h

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Challenge by

PrivaTo-Do

Create a To-Do list API where the tasks and all their history of changes are stored on a Blockchain.

Easy

Backend Developer
Junior

Java · JavaScript · Python · + 5
1 h

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Challenge by

RSS Reader

Create a news aggregator focused on a single industry.

Medium

Full Stack developer

Junior · Middle
Android · iOS· WebApp
4 h

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Challenge by

Safebox API

Create a digital safe deposit box that lets users add items and keep them safe from peepers.

Hard

Backend Developer
Middle · Senior

Java · JavaScript · Python · + 5
4 h

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Challenge by

Spotlist API

Develop an alternative to the Spotify API that lets indie artists easily manage their playlists.

Medium

Backend Developer

Middle · Senior

Java · JavaScript · Python · + 5
4 h

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Challenge by

Thirst App

The webapp to quench your thirst! Order a drink, pay and done!

Easy

Full-Stack Developer

Junior · Middle

JavaScript · Python · TypeScript · + 5
3 h

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Challenge by

Twitter mirroring

Replicate Twitter feed UI in your own app by cloning its interface.

Medium

Full-Stack Developer

Junior · Middle
4 h

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Challenge by

Unit converter

Create your own app to calculate the equivalence of a value in different units of measurement.

Medium

Full-Stack Developer

Junior · Middle
4 h

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Challenge by

Unsafebox API

Create a digital safe deposit box that lets users add items and keep them safe from peepers.

Medium

Backend Developer

Middle · Senior
Java · JavaScript · PHP · +6

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Challenge by

Vending Machine with Java

Create a seamless coffee vending machine experience that replaces old-school vending machines.

Medium

Backend Developer

Junior · Middle
Java
3 h

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Challenge by

Vending Machine with PHP

Create a seamless coffee vending machine experience that replaces old-school vending machines.

Medium

Backend Developer

Junior · Middle
PHP
3 h

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Challenge by

Vending Machine with .NET

Create a seamless coffee vending machine experience that replaces old-school vending machines.

Medium

Backend Developer

Junior · Middle
C# · .Net · .NetCore
3 h

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