Scala

This page is about the skill Scala, which is one of more than 40 technical skills you can assess on Alooba. The Scala skill is mainly about how to use Scala for typical tasks in data engineering. For example, things like cleaning data, filtering and grouping data, answering business questions with data, using packages, manipulating data etc. Participants will need to do things like: identify the right Scala code to answer a business problem, identify errors in Scala code, identify output of Scala code, interpret business questions as Scala code, understand what is and is not possible with Scala etc.

Check out the other skills here.

What types of things are included in the Scala skill?

The Scala skill assesses knowledge of topics like how to create Case Classes, Collections, Dynamic Programming, Functions, Maps, Operators, Pattern matching, Streams, Type Hierarchy & Type Variance.

Which types of roles require good Scala skills?

Scala is a commonly assessed skill for roles such as Software Engineer & Backend Engineer.

Why should we test someone’s Scala skills?

A critical part of running an ethical hiring process that’s fair and meritocratic is having objective measures of someone’s skills. Why does ethical hiring matter? Simple - it helps you hire the best person for the job.

Robert Half reported that the cost of a bad hire is on average 15-21% of the employee’s salary.

What was the most common reason for mis-hires? A lack of the right technical skills. This a true hiring own-goal, as it’s so easily preventable through a valid, thorough skills assessment.

So, if your role requires a candidate to know Scala well, you can validate that with Alooba Assess.

Can I test my current team’s Scala skills too?

Yes you sure can. You can assess their skills using Alooba Growth.

Which tests can I find the Scala skill in?

Scala can be assessed through the Concepts & Knowledge test & Free Response test. The Free Response Test includes different answer options like written responses, video answers and diagram answers.

Can I add my own Scala questions?

Yes, you can add your own Scala questions via the question bank.

How do I get access to Alooba to test Scala skills?

Feel free to reach out and book a quick discovery call here.

How difficult is the Scala skill?

Each question on Alooba is categorized by difficulty - Easy, Medium & Hard. You can set the difficulty level to whatever you like by picking and choosing the questions that you want to include.

What else can I assess with Alooba?

You can also assess someone’s intelligence, their personality type and critical soft skills, like communication.