Come work with us!
Position closed

Server Developer

Engineering, Ramat Gan, Israel (Hybrid), May 18 2022


Viber is one of the most popular apps in the world, and the most downloaded app to have come out of the start-up nation. Working with Viber is a unique opportunity to influence hundreds of millions of people using our messaging app.

We’re looking for a highly motivated Server Developer to join the server developer team! 

So, If you are curious about working with a large scale of data in real-time, committed to translating insights into action, want new challenges daily, and impact the lives of millions of users globally, this role is for you!

We are now working on a hybrid work – model! 🙂


  • Lead and deliver high scale projects 
  • Create new, awesome features for millions of users
  • Design and write efficient, maintainable code supporting billions of operations per second


  • 3 years of experience with server-side development
  • Deep knowledge of Java as a backend developer
  • Excellent verbal and written communication skills
  • BSc. in Computer Science or equivalent


  • Experience in additional server-side programming languages such as C++ or NodeJS (JavaScript/TypeScript)
  • Background in functional and reactive programming (such as RxJava, Java 8, and above)
  • Background in developing real-time NoSQL databases, like Couchbase, ElasticSearch, Redis, etc.
  • Background in using asynchronous networking frameworks, e.g. Netty, Vertex
  • Knowledge of AWS cloud and its services (or another cloud service)
  • Experience in building and deploying microservices


At Rakuten Viber, we connect people–no matter who they are, or where they are from. As a communication platform that connects hundreds of millions of people around the world, we know that the way people communicate changes on an almost daily basis. That’s why we dedicate ourselves to providing added value to communication — from private and group chats to audio and video calls to the ability to follow and contact brands, businesses and celebrities. Viber is an all-in-one platform for everything communications-based, and all Viber communications are protected by end-to-end encryption. Viber is part of the Rakuten Group, a world leader in e-commerce and financial services