Isao Kozakai

Developed an insurance marketplace platform using React, TypeScript, Go, Python, GraphQL, and PostgreSQL. Optimized codebase with effective refactoring to boost readability and efficiency. Actively contributed to application reliability by fixing bugs promptly and performing comprehensive testing.

Led development of a real-time chat application for students, using Golang and Couchbase for backend, and TypeScript with React + MobX for web and React Native + Redux for mobile. Enhanced user experience by designing features that analyze user traits based on interaction patterns. Optimized trait analysis calculations, resulting in a significant reduction in processing time.

Developed a supply chain management platform using React/Redux, Node.js/Express, MongoDB, and GraphQL. Wrote comprehensive unit tests to ensure the robustness and reliability of the developed platform. Executed prompt bug fixes, enhancing the functionality and user experience of the platform.

Developed and optimized key features for an electricity management app and a telecom billing system using Java, JavaScript, and Oracle Database. Conducted code reviews to uphold high-quality standards and facilitated offshore team coordination for prompt bug resolution. Guided new team members, enabling smooth project onboarding and efficient workflow.

Developed an e-commerce application using Java and Oracle Database, contributing to the successful implementation of critical features and functionalities. Instructed new team members on the creation of effective tests, ensuring a streamlined project workflow and comprehensive testing coverage.

Completed a diploma program focused on web and mobile application development. Gained practical skills in various programming languages and frameworks relevant to modern software development.

Studied Japanese History, gaining a deep understanding of historical research methods and critical analysis. Developed strong analytical and communication skills through extensive coursework and research projects.