Sr. Software Engineer

About this role

Job Description:

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.

Job Summary:

In this role, you will design, develop, and improve backend systems to meet user needs and business objectives. You will work through ambiguous requirements, contribute to clear specifications, leverage AI tools to rapidly build and refine high-quality code, and collaborate cross-functionally to deliver scalable backend solutions. Your role will involve debugging and improving existing systems, ensuring optimal performance, and integrating new features to enhance functionality. With a strong foundation in systems thinking and adaptability, you will continuously improve how software is designed, built, and operated in an AI-assisted development environment.

Key Responsibilities:

• **Design and Own Systems:** Design and evolve backend architecture end-to-end, including APIs, data models, and storage. Establish clear specifications, contracts and behaviors that enable reliable scalin...