Rakuten International is a division of Rakuten Group, Inc., a Japanese global technology leader in services that empower individuals, communities, businesses and society. Headquartered in San Mateo, California with more than 4,000 employees worldwide, the Rakuten International business portfolio includes market leaders in e-commerce, digital marketing, advertising, communications and entertainment. We create products and services that provide exceptional value by aligning members and the businesses that want to engage them in a shared community.
Rakuten is the most rewarding way to shop, giving millions of members Cash Back when they buy from their favorite brands. As a leading shopping platform, Rakuten partners with thousands of top brands across apparel, beauty and wellness, grocery, travel, on-demand services, subscriptions, and dining, helping members save on everyday purchases. Since 1999, Rakuten members have earned more than $4.6 billion in Cash Back, making it the largest Cash Back platform of its kind. Learn more at Rakuten.com.
We are seeking a visionary Principal Android Engineer to lead the evolution of our client application architecture and platform capabilities. You’ll define and drive the technical direction for Android across core frameworks, dynamic rendering systems, and design system integrations that power scalable mobile experiences.
You will collaborate closely with product managers, designers, and engineering teams to deliver high-performance, accessible, and localized mobile applications. As a technical leader, you will shape reusable application frameworks, UI component systems, and SDK integrations that enable consistent and high-quality implementations across multiple client platforms.
This high-impact position influences architectural standards, mentor engineers, and champion best practices in performance, accessibility, localization, multi-region capabilities and platform scalability. If you are passionate about building foundational mobile platforms, enabling engineering excellence, and shaping the future of large-scale mobile applications, we want you on our team.
In this role, you will design, develop, and maintain software applications to meet user needs and business objectives. You will analyze requirements, write clean and efficient code, and collaborate with cross-functional teams to deliver scalable and user-friendly applications. Your role will involve debugging and improving existing applications, ensuring optimal performance, and integrating new features to enhance functionality. With a strong foundation in application development and problem-solving skills, you will contribute to creating innovative solutions that align with organizational goals.
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
Our worldwide practices describe specific behaviors that make Rakuten unique and united across the world. We expect Rakuten employees to model these 5 Shugi Principles of Success.
Always improve, Always Advance - Only be satisfied with complete success - Kaizen
Passionately Professional - Take an uncompromising approach to your work and be determined to be the best
Hypothesize - Practice - Validate – Shikumika - Use the Rakuten Cycle to succeed in unknown territory
Maximize Customer Satisfaction - The greatest satisfaction for our teams is seeing their customers smile
Speed!! Speed!! Speed!! - Always be conscious of time - take charge, set clear goals, and engage your team
Rakuten provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type. Rakuten considers applicants for employment without regard to race, color, religion, age, sex, national origin, disability status, genetic information, protected veteran status, sexual orientation, gender, gender identity or expression, or any other characteristic protected by federal, state, provincial or local laws.

Rakuten Advertising leads the affiliate and partner marketing industry in delivering performance-driven marketing solutions that help the world’s top brands connect with unique, highly engaged audiences – from awareness to activation.
At Rakuten, we outthink the competition and outperform your expectations. Our experienced full-service team works to create the best ad experiences for brand, audience, and affiliate alike – one where people get the right message at the right time to drive attention, action, loyalty, and value.
We leverage a global partner network and our owned-and-operated properties to reach people like no one else. Your goals are our goals, and we’ll work like no one else to help you exceed them.
Backed by industry-leading AI-backed technology, and the largest partner network in affiliate marketing, Rakuten Advertising taps into decades of data and experience to develop the strategies and ad experiences that will drive engagement, sales, loyalty, and beyond. A leader in the industry since its beginnings, Rakuten Advertising is a division of Rakuten Inc. (4755: TOKYO), one of the world’s leading internet service companies. The company is headquartered in New York City, with offices throughout EMEA, APAC, LATAM, and North America.