Backend Team Lead

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.

We are a global team of engineers dedicated to creating the best tools to ensure safe, convenient communication for millions of users worldwide. Our culture is built on innovation, teamwork, and a commitment to excellence.

We’re looking for an experienced, highly motivated Backend Team Lead to join our Ads group and lead a team of talented senior backend developers responsible for developing and maintaining a high-traffic, low latency microservices-based system.

Responsibilities
Lead, mentor, manage and inspire a diverse agile team of backend developers across different locations, alongside hands-on coding
Actively participate in the design, development, and maintenance of backend systems and applications while analyzing business requirements to create scalable, high-performing, and testable solutions
Collaborate closely with product managers, client developers, scrum masters, and other stakeholders to deliver high-quality solutions
Effectively manage and integrate the contributions of a full-stack web developer within the backend team’s scope.
Requirements
At least 3 years of experience as a team leader
At least 8 years of hands-on experience in server-side development
At least 2 years of hands-on experience with Go lang
Proven experience in developing large-scale systems using cloud services and NoSQL databases (such as GCP orand AWS, Couchbase)
Experience with microservices architecture, Docker, and container orchestration (e.g., Kubernetes) & CI/CD
Experience with Agile methodology
Ability to quickly understand complex systems and drive solutions.
Fluent in written and spoken English
Excellent spoken and written communication skills

Advantages
Direct experience with Ad Tech platforms (DSPs, SSPs, Ad Exchanges).
Experience with Vue.js or similar frontend frameworks
Experience with Java
Familiarity with observability tools and practices.
Experience working with remote teams
Advanced knowledge of unit testing frameworks and mocking
B.Sc. in Computer Science or equivalent