Slobodan Stojanović and Aleksandar Simović are AWS Serverless Heroes and core contributors to the Claudia.js project. They are the lead developers and maintainers of Claudia Bot Builder and co-authors of Serverless Applications with Node.js.

Aleksandar has been a senior software consultant and engineer for over seven years, mostly but not only, in JavaScript. He also dabbles in Swift, Python, and Rust. He is based in Belgrade and is co-organizer of the JS Belgrade meetups.

Slobodan is CTO of Cloud Horizon, a software development studio based in Montreal. He is based in Belgrade and is the JS Belgrade meetup co-organizer.