I have been working at Facebook as a software engineer for a while now. During this time, I have got different inquiries from friends and strangers alike on landing a senior engineering position at Facebook. This post will explain the process that could help you achieve your dream job at…

I like startups. I love building things and moving fast. I love the experiment process and the feedback loop embedded in building a new product. For the past ten years, I have been involved in many startups. I have seen a couple of them succeed and the rest struggle. My…

A lot of times we like to provide our users with some real-time features. Consider this simple scenario: You are making an Instagram web clone. People start following each other and when one publishes a photo, all people following that user will be notified and will see the photo in…

Recently, we went through a Webpack upgrade saga in one of the bigger production apps that I’ve been working on for the past couple of years. The project was relying on Webpack 1.14.0 and with Webpack 4 out, now it was a good time to show some love to the…

Every other day I see a blog post on how to create a chat system using WebSockets or how to use the magic of Firebase to build a majestic one, although let’s be honest: Building a REAL customizable chat system is a whole different story. Now, let’s consider a complicated…

Ruby/Rails developers have had a controversial relationship with Javascript for the past years. True or false, Javascript was accused of being the holdback for web; we all know that this is not true anymore. The language has improved significantly over the past few years; partly due to advent of ES6. …

We all like Vim. It has been around for a long time and it has helped us to increase our productivity. Linting is another essential tool we rely on our everyday life. It makes our code easier to understand and follow. That applies to new people joining our projects later…

Update: this document applies to Relay Classic. If you are using Relay Modern, please have a look at RelayJS website to find out updated instructions. At ZeeMee we rely on the power of GraphQL and Relay. Our backend has been built on top of Ruby on Rails. One of the…

I love Ruby. It’s the language that I feel most comfortable with. I almost use it every day to express my ideas. With Internet of Things at large, the question is why not use Ruby in embedded systems? That’s why we have mruby. mruby is the lightweight implementation of the…