Learn how WhatsApp and Discord use Erlang VM and Elixir to handle millions of concurrent users for seamless real-time messaging, and discover how to apply this tech to your own apps.

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Discover the secret behind handling millions of concurrent users with ease using the Erlang Virtual Machine (BEAM) and Elixir. Learn about the origins of Erlang and Elixir, the core features that make BEAM a secret weapon for real-time applications, and real-life case studies from WhatsApp and Discord. Other companies such as Spotify, Pinterest, Pepsico, Financial Times, and Heroku have also adopted Erlang-based languages for high concurrency, fault tolerance, and scalability.

WhatsApp, Discord, and the Secret to Handling Millions of Concurrent Users

5 core Features that make BEAM a Secret Weapon for Real-Time Applications

Case study #1: How WhatsApp leveraged Erlang to scale real-time messaging with more than a billion daily active users

Case study #2: How Discord used Elixir to build a real-time chat application that scales to 11 million concurrent users

Case study #3: (My personal) How I built a real-time networking application with Elixir and Phoenix