Build and execute software test plans while developing Python, Swift, or Objective-C automation frameworks and generative-AI tools to expand coverage for features used in Japan.
Join Apple's Information Systems and Technology team as a technical intern, applying programming skills in application, web, or server-side development across international projects.
Lead multiple product teams for Fanicon, aligning business, product, and technology. Manage engineers, support technical decisions, and improve processes, quality, and team growth.
Design and operate reliable payment and financial systems, covering transaction integrity, recovery, compliance, cloud infrastructure, and new financial products. The role requires 5+ years of web application experience and leadership across multiple technical domains.
Develop and maintain the iOS version of the Teachme Biz service, focusing on UI renewal and overall development.
Lead AI-centered software architecture and development at STORES, building agent-driven development environments, improving products, and guiding high-difficulty projects across applications, infrastructure, and teams.
Technical Project Manager supporting Apple Pay E-Commerce integrations with merchants and payment providers, resolving issues, guiding implementations, and coordinating projects.
Lead engineering teams building Fanicon and other THECOO products.
Strengthens application, framework, library, and daemon security through memory-safety work, mitigations, sandboxing, and refactoring. Updates tests, works with QA, and documents changes for partner teams.
Leads web and app development projects from client discussions and requirements definition through team setup, release, and ongoing operations, coordinating designers and engineers.
Build SpeakBuddy’s iOS learning app in Swift, owning features from planning to release and delivering microphone handling, UI and animation, testing, operations, and quality improvements.
Lead product strategy and roadmap for Fanicon and +KIRARI, turning user and business needs into priorities, requirements, and measurable improvements with designers and engineers.
Develop and operate the pixiv Sketch iOS app with Swift, delivering features, improving quality through testing and refactoring, collecting data for analysis, and coordinating with other disciplines.
Design and build shared platforms supporting STORES products, including authentication, product integration and AI-driven development infrastructure. Improve developer productivity through common libraries, toolchains and developer experience, and optimize large-scale cloud systems.
Design and develop iOS native applications, improve UI/UX, and collaborate with teams on service development.
Develop iOS apps, internal SDKs, libraries, and tools for game content; improve performance, modernize platforms, and build reliable UI and server communication.
Leads QA strategy for Fanicon and other products, manages manual testers, sets release quality gates, and guides test automation with product engineers across Android, iOS, and web.
Manage the Akerun smartphone app as PdM/PjM: set roadmaps and requirements, coordinate delivery, and lead data-based UX improvements. Remote work is available.
Develop, test, and maintain payment applications for iOS, Android, and payment terminals, coordinating with vendors and customers and contributing to application design and implementation.
Develop and operate mobile client SDKs for KARTE for App, supporting iOS, Android, Flutter, and React Native. Improve device compatibility, testing, CI/CD, and high-volume tracking.
Develop iOS applications using Swift with over 3 years of experience. Engage in team collaboration and contribute to product discussions.
Design and build iOS, Android, and Flutter SDKs, a native-app A/B testing platform, backend and infrastructure, and a React visual editor for a new SaaS product. Hybrid work in Tokyo.
Guide Akerun’s mobile app from feature prioritization and specification through development, using customer requests, product metrics and app/BLE data to shape its roadmap and improve user experience.