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Position closed

Data Scientist

Engineering, Ramat Gan, Israel (Hybrid), May 17 2022


Viber is a product company specializing in messaging and calling apps that connect people–no matter who they are, or where they’re from. With a free and secure connection, hundreds of millions of people worldwide communicate with their loved ones through high-quality audio and video calls, messaging, and much more.

As a Practical Data Scientist you’ll be responsible for understanding business needs and applying your work in a high-throughput and big data environment (>TBs daily, well organized, and accessible) in cooperation with the Data Science Engineering team.

You’ll be working on traditional ML and Statistics problems (such as GLM, Mixed Models, Anomaly Detection, Recommender Systems, MAB), as well as some Computer Vision.

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


  • Working in a team and independently, understanding business requirements and how they relate to important business KPIs
  • Working on interesting problems at big scales using tabular and graph datasets, modeling business problems, and tuning via quick feedback from customers
  • Working directly with project owners and presenting your work to internal stakeholders


  • 3+ years experience as a Data Scientist/Data Analyst
  • 1+ year of Python experience
  • B.Sc. in Computer Science/Statistics/Mathematics
  • SQL experience


  • Experience in AWS and in a Big Data environment
  • Experience in Computer Vision models, Graph NN’s
  • Applied hypothesis testings and randomized experiments


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