Rakuten Viki Tech Stack

Global streaming platform for Asian entertainment with community-driven subtitling

Entertainment Providers San Mateo, California 51–200 employees Founded 2010 Privately Held

Rakuten Viki operates a streaming service centered on Asian TV, film, and K-entertainment content, reaching over 40 million users across 190+ countries. The tech stack is mobile-first (Android, iOS, Fire TV, Apple TV, Chromecast) with native development in Kotlin and Swift, reflecting a viewer-centric product strategy. Active hiring spans engineering, HR, data, and content—with a push into Singapore and South Korea—while internal projects reveal scaling pressure: dubbing operations, localization spend management, and user behavior modeling are all active workstreams.

Tech Stack 12 technologies

Core StackKotlin Jetpack Compose Figma Swift SwiftUI Android TV Apple TV Fire TV Android Chromecast UIKit Git

What Rakuten Viki Is Building

◆Challenges

Maintaining data integrity across employee lifecycle
Ensuring compliance across multiple regions
Improving business metrics
Understanding user behavior
Scalability challenges
Service reliability
Security vulnerabilities
Scaling dubbing operations
Managing localization spend
Ensuring timely delivery

▲Active Projects

Regional hr operations projects
A/b/n test design and analysis
Predictive model development
Dubbing operations
Automation adoption
Vendor onboarding
Content discovery strategy
Content programming strategy
Content display improvement plans
Development milestone tracking and production rollout

Hiring Activity

Accelerating15 roles · 10 in 30d

Department

Engineering

Content

Data

Design

Ops

Product

Seniority

Senior

Intern

Manager

Junior

Mid

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About Rakuten Viki

Rakuten Viki is a streaming entertainment platform owned by Rakuten Group, the largest ecommerce company in Japan. The platform hosts primetime TV shows and movies with subtitles in over 200 languages, powered by a community of fan translators. Viki reaches more than 40 million fans in 190+ countries and has generated more than 1 billion translated words. The company operates multiple content verticals: the main Viki streaming service, Soompi (a K-Pop and K-entertainment community), and Viki Originals (original series and co-productions with Asian and Hollywood studios). Viki Creator Studio enables short-form content creation. The organization is expanding operational footprint with hiring across Singapore and South Korea.

HeadquartersSan Mateo, California

Company Size51–200 employees

Founded2010

Hiring MarketsSingapore, South Korea

Frequently Asked Questions

What tech stack does Rakuten Viki use?

Rakuten Viki's stack is mobile-native: Android, Kotlin, Swift, and UIKit/SwiftUI on iOS; multi-platform distribution via Android TV, Apple TV, Fire TV, and Chromecast; design tooling in Figma; version control in Git; and Jetpack Compose for Android UI.

How many users does Rakuten Viki reach?

Rakuten Viki reaches more than 40 million fans in 190+ countries, with billions of videos viewed and over 1 billion words translated by community members.