Elixir

What is Elixir, really?

Elixir runs on the same virtual machine that powers WhatsApp's entire backend (Erlang). Discord uses it to handle billions of messages. The language is genuinely good at handling massive concurrent loads — chat apps, real-time games, financial systems.

Why learn it in 2026?

Small but high-paying community. Elixir developers in India often earn ₹20+ LPA because the supply is so limited. Strong remote work opportunities for international companies.

What it looks like

# Phoenix LiveView counter
defmodule Counter do
    use Phoenix.LiveView
    
    def handle_event("inc", _, socket) do
        {:noreply, update(socket, :count, &(&1 + 1))}
    end
end

▶ Try this code live →

What you can build with it

• Real-time chat
• Multiplayer games
• High-concurrency APIs
• IoT backends

Major apps using Elixir

These are real platforms with public engineering posts confirming they use Elixir in production:

Featured platforms in our database

Tap any to see the full stack:

How to get started with Elixir in 5 steps

1. Install Elixir Download Elixir from the official site or use a package manager like Homebrew (Mac) or apt (Linux).
2. Set up your editor Install VS Code (free) and add the official Elixir extension for syntax highlighting and autocomplete.
3. Write Hello World Create a file, write your first 'Elixir Hello World' program, and run it from the terminal.
4. Build a small project Pick something tiny — a calculator, a to-do list, a number guessing game. Building beats reading.
5. Join a community Join the official Elixir Discord, subreddit, or Stack Overflow tag. Ask questions when stuck.

Should you learn it first?

Only if your specific goal needs it. Elixir serves a clear purpose but is not the broad starting point. Make sure you have a project in mind before committing.

Frequently Asked Questions about Elixir

Sources & References

Salary ranges, popularity data, and tech stack information on this page were verified using:

• Official Elixir documentation — Primary language reference and getting started guides
• Stack Overflow Developer Survey 2025 — Salary, popularity, and trend data
• GitHub Octoverse 2025 Report — Most-used languages and growth trends
• Naukri.com & LinkedIn India job listings — India salary verification (Bengaluru, Hyderabad, Mumbai, Pune)
• OneCity internal hiring data (2020–2026) — 650+ client projects across web, mobile, and AI work

Last verified: April 26, 2026. See an error? Email hello@onecity.co.in and we will fix it.