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As a Data Scientist, you will work in a highly collaborative environment with extensive amounts of data to research and develop deep learning models in various domains, such as ads optimization, customer data platform and prediction of user behaviour. You will apply and analyze these algorithms at scale.
You will have a chance to grow and develop professionally by owning data-driven projects from the research phase to production, collaborating with highly experienced researchers.
Responsibilities
Develop classical and deep learning models that directly impact company goals.
Find solutions to complex problems in social network infrastructure, understanding data generation processes and big data challenges.
Analyze and leverage extensive application data to enhance model performance and accuracy.
Work with partner teams to design and implement classification and prediction solutions for given objectives, presenting them clearly.

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. Successful outcomes will significantly impact our hundreds of millions of daily active users around the globe. As a Data Scientist, you will work in a highly collaborative environment with extensive amounts of data to research and develop deep learning models in various domains, such as ads optimization, customer data platform and prediction of user behaviour. You will apply and analyze these algorithms at scale. You will have a chance to grow and develop professionally by owning data-driven projects from the research phase to production, collaborating with highly experienced researchers.

Responsibilities:

* Develop classical and deep learning models that directly impact company goals.
* Find solutions to complex problems in social network infrastructure, understanding data generation processes and big data challenges.
* Analyze and leverage extensive application data to enhance model performance and accuracy.
* Work with partner teams to design and implement classification and prediction solutions for given objectives, presenting them clearly.

Advantages:

* Publication in peer-reviewed conferences or journals on reinforcement learning, deep learning, and machine learning.
* Experience in developing deep learning graph model solutions.
* Experience with managing and utilizing datasets at the scale of 10s of TB.
* Strong passion for machine learning and investing independent time towards learning, researching, and experimenting with new innovations.
* Strong business acumen or prior industry experience within the social media or messaging space.

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 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. You will have a chance to grow and develop professionally by owning data-driven projects from the research phase through to production, collaborating with highly experienced researchers.

Responsibilities:

* Develop classical machine learning and deep learning models that will impact company goals directly.
* Work with partner teams to design and implement solutions in recommender systems, classification and prediction for given objectives.
* Find solutions to complex problems in social network recommendations, understand the data generation process and the challenges involved with working with big data.
* Analyze and leverage the extensive data received from our application to enhance model performance and accuracy.

Advantages:

* Advanced knowledge in generative models: Auto-encoding, adversarial models, compression.
* Experience in developing deep learning graph model solutions.
* Experience with managing and utilizing datasets at the scale of 10s of TB.
* 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.
* Strong business acumen or prior industry experience within the social media or messaging space.

Rakuten Viber is one of the most popular and downloaded apps in the world. Working with us means influencing hundreds of millions of users and shaping the journey toward becoming a true super-app. Our mission is to make people’s lives easier by enabling meaningful connections — from special moments with friends and family, to building businesses and pursuing passions. We’re looking for a Revenue Data Analyst who combines strong business skills with a strategic mindset and curiosity for how data drives revenue and growth in social mobile apps. You’ll partner closely with sales, marketing, and operations teams to turn data into clear sales and marketing insights and measurable business impact. If you’re passionate about uncovering insights, leveraging data and AI for smarter, faster results, and driving decisions at scale; we’d love to hear from you!

Responsibilities:

* Identify opportunities for improvement through data analysis aligned with company strategy and revenue KPIs.
* Partner cross-functionally to translate data findings into actionable business and marketing decisions.
* Design, run, and analyse A/B tests to evaluate sales strategies and revenue monetization.
* Build, automate, and maintain dashboards and reports to track sales insights, business behaviour, and key trends.
* Communicate findings clearly to stakeholders, influencing both tactical and strategic decisions.
* Leverage AI and automation tools to accelerate analytical workflows and uncover deeper insights.
* Support client QBR, Business’s events, sales speeches with actionable data, insights learnings, answering business challenges, supporting our storytelling or selling speech.