Teams using Gatsby
Ahrefs
HQ: Singapore C++, DLang, OCaml... React, JavaScript, Gatsby... Elasticsearch, Logstash, Kibana...
Help Scout
HQ: United States Kotlin, Ruby, Go... React, Gatsby Linux, Amazon ECS, RabbitMQ... MySQL, PostgreSQL, MongoDB...️ AWS
Python 
Front-end 📊 Product/Management
JVM ☁️ DevOps
JavaScript BE 
Golang 🎨 UI/UX Design
📱 Mobile
PHP 
C#/.NET 
Ruby/RoR 🔨 Testing/QA