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