Senior BI Developer

At Viber, we connect people–no matter who they are, or where they are from. 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 a super-app and an all-in-one platform for everything communications-based, with many different business and financial services, including payment solutions for users to make transfers, purchases, and much more!

As a Senior BI Developer at Rakuten Viber, you will be a key member of the BI team, responsible for owning and optimizing our data lake, integrating with various services to enhance data quality, developing complex ETL processes, and working with petabytes of data. You will play a pivotal role in empowering our organization to make informed, data-driven decisions through the creation of self-service tools and robust analytics solutions, all while leveraging cutting-edge technologies.

Responsibilities:

- Collaborate with different teams and services to seamlessly integrate and enrich data from diverse sources
- Design, develop, and optimize complex ETL processes to support business requirements
- Work with petabytes of data efficiently, optimizing processes for performance and scalability using Big Data technologies
- Build user-friendly, self-service tools and dashboards to empower employees across the organization and enable non-technical users to access and analyze data for better decision-making
- Integrate cutting-edge technologies and innovative approaches to enhance data processing and analysis
- Collaborate with cross-functional teams, including data scientists, analysts, and business stakeholders, to understand data requirements and deliver actionable insights

Advantages:

- Experience using Spark
- Experience working with public cloud solutions – especially AWS
- Experience with data visualization tools such as Tableau, Looker

REQUIREMENTS

- 3+ years of ETL development experience with proven high-quality deliverables
- 2+ years of Python programming
- Master in SQL – MUST
- Strong analytical skills and a proactive problem-solving mentality that thrives in an agile work environment
- Experience working with large data-sets
- Experience with the Hadoop ecosystem (MapReduce, Hive, Spark)
- Excellent communication skills, both verbal and written