Senior Android Developer

**About the company:** KOMOJU Musashino-Shi, Tokyo The leading cross-border payment gateway for Japan. We power payments for companies like video game distribution platform Steam and the popular mobile app TikTok. **Responsibilities:** Develop KOMOJU POS, KOMOJU Tap-to-Pay app and mobile SDK offerings using Kotlin. Collaborate with product managers and other developers to define, design, and ship new features. Work across tech stacks with backend engineers to design and implement features for mobile applications. Flexibility to engage with other programming languages and work on our platform backend as needed. Technical design and architecture review across both mobile platforms (iOS and Android). Requirements Minimum 5+ years of experience. Experience with Android SDK and mobile development lifecycle. Familiarity with RESTful APIs to connect mobile applications to back-end services. Strong knowledge of mobile UI/UX principles, patterns, and best practices. Generalist (T-shaped developer), able to jump between multiple areas of our tech stack to get the job done. Ability to work effectively in a collaborative team environment. Knowledge of cross-platform frameworks for iOS and Android is welcomed. Nice to haves While not specifically required, tell us if you have any of the following. Some experience of iOS development and general familiarity with iOS architecture is welcomed. Experience working for a Japanese business Lead and coach other members of the team, fostering skill development and high performance. Business-level proficiency in Japanese. **Requirements:** Minimum 5+ years of experience. Experience with Android SDK and mobile development lifecycle. Familiarity with RESTful APIs to connect mobile applications to back-end services. Strong knowledge of mobile UI/UX principles, patterns, and best practices. Generalist (T-shaped developer), able to jump between multiple areas of our tech stack to get the job done. Ability to work effectively in a collaborative team environment. Knowledge of cross-platform frameworks for iOS and Android is welcomed. **Nice to have:** While not specifically required, tell us if you have any of the following. Some experience of iOS development and general familiarity with iOS architecture is welcomed. Experience working for a Japanese business Lead and coach other members of the team, fostering skill development and high performance. Business-level proficiency in Japanese.