Rakuten Viber is one of the most popular and downloaded apps in the world. Working with us provides a unique opportunity to influence hundreds of millions of our users and to be part of the journey that makes us a super-app. Our mission is to make people’s lives easier by enabling meaningful connections, from precious moments with family and friends, through managing business relationships to pursuing their passions.
Connecting people across the world is a complex problem with many machine-learning applications. The purpose of this role is to implement mathematical models and algorithms to solve complex business problems in recommendations and classification. Successful outcomes will significantly impact our hundreds of millions of daily active users around the globe.
As a Senior Data Scientist, you will work in a highly collaborative environment with extensive amounts of data to research and develop deep learning models in the domains of dating, moderation and content segmentation and apply them to tasks such as recommendation systems and analytics at a high scale.
- Work with management and partner teams to design and implement solutions in recommender systems for given objectives.
- Lead technical efforts to improve the performance of deep learning models and propose initiatives to impact company goals directly.
- Autonomously find solutions to complex problems in social network recommendations and understand the data generation process and challenges with the data.
- Analyze and leverage the extensive data received from our application to enhance model performance and accuracy.
- Master’s degree in Statistics, Mathematics or Computer Science.
- Minimum of 4 years of experience in designing, developing and deploying production-level deep learning recommendation models with a proven business impact.
- Fluency in Python, Pandas/Dask, SQL, PyTorch or Tensorflow. Ability to write readable and maintainable code.
- Strong communication and storytelling skills with both technical and non-technical audiences. Ability to present complex technical subjects to non-technical stakeholders.
- Ability to read AI research publications and implement the algorithms & architectures from scratch.
- Advanced knowledge in generative models: Auto-encoding, adversarial models, compression.
- Worked on deep learning graph model solutions with 10’s of TB of data.
- Publication in peer-reviewed conferences or journals on reinforcement learning, deep learning, and machine learning.
- Strong passion for machine learning and investing independent time towards learning, researching, and experimenting with new innovations in the field.
- Experience working with technologies like SageMaker, Athena/Trino, Spark, Milvus, and OpenSearch.
Other Jobs from Viber
Senior Data Scientist - Recommendations
Android Developer (core)
iOS RTC Engineer
Android Developer
Android Developer
Similar Jobs
Trainee Data Scientist
Senior Associate, Data Scientist - Audit Data Science
Data Scientist - Intern (Spring 2025)
Senior Machine Learning Engineer - II
Senior Data Scientist - Recommendations
There are more than 50,000 engineering jobs:
Subscribe to membership and unlock all jobs
Engineering Jobs
60,000+ jobs from 4,500+ well-funded companies
Updated Daily
New jobs are added every day as companies post them
Refined Search
Use filters like skill, location, etc to narrow results
Become a member
🥳🥳🥳 452 happy customers and counting...
Overall, over 80% of customers chose to renew their subscriptions after the initial sign-up.
To try it out
For active job seekers
For those who are passive looking
Cancel anytime
Frequently Asked Questions
- We prioritize job seekers as our customers, unlike bigger job sites, by charging a small fee to provide them with curated access to the best companies and up-to-date jobs. This focus allows us to deliver a more personalized and effective job search experience.
- We've got about 70,000 jobs from 5,000 vetted companies. No fake or sleazy jobs here!
- We aggregate jobs from 5,000+ companies' career pages, so you can be sure that you're getting the most up-to-date and relevant jobs.
- We're the only job board *for* software engineers, *by* software engineers… in case you needed a reminder! We add thousands of new jobs daily and offer powerful search filters just for you. 🛠️
- Every single hour! We add 2,000-3,000 new jobs daily, so you'll always have fresh opportunities. 🚀
- Typically, job searches take 3-6 months. EchoJobs helps you spend more time applying and less time hunting. 🎯
- Check daily! We're always updating with new jobs. Set up job alerts for even quicker access. 📅
What Fellow Engineers Say