We use Node.js for a few internal services. Most of them are HTTP APIs which serve data from MongoDB and Redis. Two applications are gateways to external servic

We use Node.js for a few internal services. Most of them are HTTP APIs which serve data from MongoDB and Redis. Two applications are gateways to external services (SMPP, Email) which maintain a database of delivery attempts and results. Two other apps: One of them is a tracker which collects data from our website of our logged in users activity, and one is a queue manager which manages load on external services which can take a limited number of requests at a time. Node.js has proven to give us good performance benefits and ease of development, maintenance and scalable deployment compared to PHP and .net, the other two platforms we usually work with. I am not aware of the old metrics, but as per my seniors, we have got a very good performance improvement on the API services by using node. The rest of the node projects were new projects.