Overview
Join Rakuten Viber as an Engineering Manager and lead the development of next‑generation business communication capabilities, enabling companies to engage with millions of Viber users worldwide.
About Rakuten Viber
Rakuten Viber is one of the world’s most popular and trusted apps, connecting millions of people through messaging, calls, communities, and business solutions. We’re on a mission to make everyday connections meaningful and help shape the future of our journey to becoming a true super‑app.
About the Role
We’re looking for an experienced, hands‑on Engineering Manager to lead the development of Viber’s next generation of business communication capabilities. This is a strategic, high‑impact leadership position that blends deep technical expertise with product vision.
Responsibilities
- Work with high‑performing engineers to deliver scalable, high‑quality products.
- Stay hands‑on with backend development – developing, mentoring, reviewing, and guiding engineers through complex Java‑based systems.
- Drive execution of strategic product goals in partnership with Product, Business, and Senior Management.
- Architect and evolve our infrastructure for performance, reliability, and scale.
- Foster excellence – hire, coach, and grow world‑class engineering talent.
- Champion innovation, exploring new technologies (including AI‑assisted development) to increase productivity and quality.
- Measure and optimize system performance, scalability, and developer velocity.
Requirements
- At least 8 years of backend development experience in Java – MUST
- At least 3 years leading engineering teams – MUST
- Proven experience in B2B/B2C communications platforms or API‑driven businesses at scale – MUST
- Hands‑on experience with AI tools to boost developer productivity or product decision‑making – MUST
- Technical depth across both client and backend stacks (Java, C++, NodeJS, Kotlin, Swift, Objective‑C)
- A track record of building, scaling, and optimizing distributed systems
- Strong communication skills and the ability to translate complex technical challenges into clear business value
- Passion for leadership, mentorship, and technical excellence
Nice to Have
- Proven experience with AWS and cloud‑based architectures
- Experience with Big Data technologies and event‑driven pipelines
- Hands‑on experience with Couchbase or similar NoSQL databases
Employment Details
- Seniority Level: Not Applicable
- Employment Type: Full‑time
- Job Function: Engineering and Information Technology
- Industries: Software Development