Elixir is a functional, dynamically typed language for developing scalable and maintainable applications that are built on top of Erlang's VM and compiled to Erlang bytecode.
It was created in 2011 by José Valim and has since become one of the most important languages in the Erlang VM ecosystem, focusing particularly on concurrency, reliability, and scalability. It also scales well without sacrificing performance, making it ideal for handling millions of concurrent users in your app or website.
Features of Elixir that make it relevant in 2026
- Scalability — All Elixir code runs inside lightweight, segregated processes that communicate via messages.
- Concurrency — Elixir may execute multiple processes at the same time, all of which are managed in real-time without causing any negative consequences or slowing down the application.
- Fault Tolerance — Elixir provides supervisors with that define how to restart sections of your system by including built-in safety procedures, which allow the product to continue to function even when anything goes wrong.
- Functional programming — It is a coding approach that encourages developers to produce code that is concise, fast, and easy to maintain.
- Erlang Compatibility — Elixir runs on the Erlang VM giving developers complete access to Erlang’s ecosystem.
Elixir comes with a set of development tools. Mix is an example of a tool that makes it simple to set up projects, manage tasks, and run tests, among other things. It also has its own package manager − Hex.
The market trend of Elixir from 2011 to 2020
Source: Bluebash.co
Applications of Elixir Language
If a single task is difficult to compute and takes significant CPU resources, such as advanced mathematics problems, one should consider using another programming language.
However, practically any use case that is neither CPU-bound or fundamentally sequential is likely to be a suitable fit for Elixir. Elixir works well for systems with a high volume of traffic, a large number of connections, or connections that are I/O bound.
This statement applies to a wide range of modern use cases, including chat backends (such as Facebook Messenger and WhatsApp), web servers, APIs, online applications, and others.
Usage of Elixir in Live Production
Different companies across different industries use Elixir to create and grow their businesses in many ways. Some of the companies include Discord, Heroku, Adobe, Motorola Solutions, and many others.
Sample Elixir Code for Arithmetic Operations
Hiring an Elixir Developer for your team
While the top programming languages like Java, C, C++, PHP, and JavaScript are default choices for application development, it pays to also consider smaller players as they can offer features that aren’t present in the more prominently used languages.
However, a fact to consider before hiring an elixir developer is that there’s a dearth of developers who are proficient in the language; for the developers, there aren’t a lot of learning or growth opportunities.
We have looked at the Elixir programming language and its features and the applications where it can be used.
If you are in search of the best Elixir software developer for you, you have come to the right place!
What iMocha has to offer about JavaScript
iMocha offers the following question types to review candidates’ technical skills and understanding.
- MCQ
A multiple-choice question (MCQ) is made up of two parts: the question or problem and a set of alternatives or possible answers that include a key, which is the best answer to the question, and a few distractors, which are convincing but incorrect answers to the question.
- AI-LogicBox
AI-LogicBox is an artificial intelligence-based pseudo coding platform designed to assess programmers’ logical and problem-solving skills.
- Coding Questions
iMocha has a wide range of question types to test the candidate skills with many parameters. While screening for a developer role, you can test the coding skills of the candidate.
Elixir Developer Interview Questions
- Explain the use of Crypto module in Elixir?
- Mention the use of spawn function?
- Explain what string interpolation in Elixir is?
Conclusion
If you want to use the Elixir programming language for your next project but don't know where to look for the best fit candidate for your company, iMocha’s world’s largest skills assessment library will help you find the right candidates.
