The latest articles on DEV Community by Viacheslav Katsuba (@vkatsuba). https://dev.to/vkatsuba https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F2223533%2F69de9968-093b-4b25-a11e-e274a37ebe05.jpg https://dev.to/vkatsuba en Viacheslav Katsuba Fri, 15 Aug 2025 15:17:06 +0000 https://dev.to/vkatsuba/why-erlangotp-still-matters-in-2025-2ejo https://dev.to/vkatsuba/why-erlangotp-still-matters-in-2025-2ejo <p>Hey folks! <strong>Ukrainian Erlanger</strong> here 🤘!</p> <p><strong>Erlang/OTP</strong> is nearly 40 years old, yet it’s still powering some of the most demanding real-time systems in telecom, fintech, IoT, and Voice AI.</p> <p>Built for fault tolerance, massive concurrency, and hot code upgrades, it’s the reason apps like WhatsApp can handle millions of connections seamlessly. In a world chasing shiny new frameworks, Erlang quietly keeps mission-critical systems running without downtime.</p> <p>In my recent talk at <strong>TADSummit</strong> Online Conference (invited by <a href="https://blog.tadsummit.com/2025/02/28/tadsummit-2025-online-conference-agenda/" rel="noopener noreferrer">Alan Quayle</a>), I covered:</p> <ul> <li>Why Erlang matters in 2025 and still shines</li> <li>Strengths and weaknesses</li> <li>Key industries where Erlang thrives</li> <li>Examples of companies still relying on it today</li> <li>Community and ecosystem highlights</li> </ul> <p>📢 Please don’t forget to upvote, share the video, and leave any comments - feedback, questions, your own Erlang stories - everything is welcome.</p> <p>Let’s remind the world together just how important Erlang/OTP is today! 🤘</p> <p>📝 Read the blog post: <a href="https://blog.tadsummit.com/2025/08/14/erlang" rel="noopener noreferrer">https://blog.tadsummit.com/2025/08/14/erlang</a></p> <p>🎥 Watch the talk</p> <p> <iframe src="https://www.youtube.com/embed/wEobbwGd1VU"> </iframe> </p> erlang tadsummit functionalreactiveprogramming