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Back-end Developer (f/m/x)



Software Engineering
Cairo, Cairo Governorate, Egypt
Posted on Monday, August 7, 2023
About Yassir
Yassir is the leading super App for on demand, ride-hailing, last-mile delivery, payment services and more, set to change the way daily services are provided. It currently operates in 45 cities across multiple countries. It has raised $150 million in Series B funding, five times what it raised in its previous priced round last November with world class investors such as BOND and Y Combinator, which is the precursor of the likes of Airbnb, Stripe, Dropbox, Doordash, among others.
We’re not just about serving people - we’re about creating a marketplace to bring people what they need while infusing social values.
About the role
In this role, you will be part of our growing and international engineering team, working with a high-quality code base and the latest tools, where you will promote your skills to be an expert in complex backend development. You will build XMPP Chat Application using different servers like ejabberd or mongooseim or prosody. You will unleash your creativity to design APIs for communication between web client (web browser application), mobile app and chat server using client/server protocol or library.
Conduct requirement Analysis, High Level designing, Chat/videochat Server Configuration, Development and Deployment of the chat server.
Scale Architecture designing and Documentation for Asynchronous Data Communication.
Guide/help team (of iOS/Android/Web developers) to implement all features as part of a bigger application.
Create DB Modelling, System Testing, Compatibility Testing of the Chat Application
Nice to have:
Experience using Docker and Kubernetes
Java/Kotlin and Spring Boot


  • 2-4 years working experience in related field.
  • Hands-on development experience of implementing live chat and video chat servers.
  • Able to write custom server side code as desired such as database operations, custom user defined functions etc.
  • Strong understanding of client/server protocols including XMPP ,TCP/IP, HTTP,, WebSocket, and Ejabberd
  • Developer should be able to design APIs for communication between web client (web browser application), mobile app and chat server using client/server protocol or library.

Why you should join Yassir

  • 😎 You will be part of one of the first Algerian startups to go through the Y Combinator program and one of the fastest-growing tech companies in North Africa. We are current in +30 cities (Algeria, Tunisia, Morocco, Senegal, France and Germany)
  • 💸 Attractive salary and you even get a stake in the company
  • 🚉 Subsidized public transit pass
  • 🤙🏽Have a lasting impact on our company's culture
  • 🚀 Perfect timing with renowned investors to build something great
  • 📈 Extremely steep learning curve with own responsibility and intensive guidance
  • 💯 Make a real impact on the world by helping us bring affordable financial and on-demand services to millions of Africans
Do you want to become part of our first-class team? You should definitely send us your application. 🚀