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I’m Isao Kozak, a full-stack software developer with 8+ years of experience building responsive web and mobile applications, with a strong focus on user-centered solutions. I enjoy turning complex requirements into reliable, maintainable systems, and I’m known for being detail-oriented, collaborative, and quick to learn new technologies. Across recent roles, I’ve worked on loyalty and rewards platforms (including mobile apps built with Flutter), insurance marketplace platforms, and real-time chat systems. I bring hands-on experience with TypeScript, React, React Native, Redux, Node.js, Go, GraphQL, PostgreSQL, MongoDB, and related tooling—while consistently improving performance through refactoring, comprehensive testing, and thoughtful system enhancements.…I’m Isao Kozak, a full-stack software developer with 8+ years of experience building responsive web and mobile applications, with a strong focus on user-centered solutions. I enjoy turning complex requirements into reliable, maintainable systems, and I’m known for being detail-oriented, collaborative, and quick to learn new technologies. Across recent roles, I’ve worked on loyalty and rewards platforms (including mobile apps built with Flutter), insurance marketplace platforms, and real-time chat systems. I bring hands-on experience with TypeScript, React, React Native, Redux, Node.js, Go, GraphQL, PostgreSQL, MongoDB, and related tooling—while consistently improving performance through refactoring, comprehensive testing, and thoughtful system enhancements.

Isao Kozakai

Full Stack Developer, Software Engineer, Back-End Developer, +2

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I’m Isao Kozak, a full-stack software developer with 8+ years of experience building responsive web and mobile applications, with a strong focus on user-centered solutions. I enjoy turning complex requirements into reliable, maintainable systems, and I’m known for being detail-oriented, collaborative, and quick to learn new technologies. Across recent roles, I’ve worked on loyalty and rewards platforms (including mobile apps built with Flutter), insurance marketplace platforms, and real-time chat systems. I bring hands-on experience with TypeScript, React, React Native, Redux, Node.js, Go, GraphQL, PostgreSQL, MongoDB, and related tooling—while consistently improving performance through refactoring, comprehensive testing, and thoughtful system enhancements.…I’m Isao Kozak, a full-stack software developer with 8+ years of experience building responsive web and mobile applications, with a strong focus on user-centered solutions. I enjoy turning complex requirements into reliable, maintainable systems, and I’m known for being detail-oriented, collaborative, and quick to learn new technologies. Across recent roles, I’ve worked on loyalty and rewards platforms (including mobile apps built with Flutter), insurance marketplace platforms, and real-time chat systems. I bring hands-on experience with TypeScript, React, React Native, Redux, Node.js, Go, GraphQL, PostgreSQL, MongoDB, and related tooling—while consistently improving performance through refactoring, comprehensive testing, and thoughtful system enhancements.

Available to hire

I’m Isao Kozak, a full-stack software developer with 8+ years of experience building responsive web and mobile applications, with a strong focus on user-centered solutions. I enjoy turning complex requirements into reliable, maintainable systems, and I’m known for being detail-oriented, collaborative, and quick to learn new technologies.

Across recent roles, I’ve worked on loyalty and rewards platforms (including mobile apps built with Flutter), insurance marketplace platforms, and real-time chat systems. I bring hands-on experience with TypeScript, React, React Native, Redux, Node.js, Go, GraphQL, PostgreSQL, MongoDB, and related tooling—while consistently improving performance through refactoring, comprehensive testing, and thoughtful system enhancements.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Software Developer at S C A , Vancouver, BC

August 1, 2025 - Present

Developed full-stack loyalty & rewards platforms spanning mobile apps (Flutter), web apps (React), and backend services (Go). Implemented a QR-based reward redemption flow in the mobile application. Built internal operational tooling including a QR scanner app and an admin panel to support operations and campaign management. Focused on user experience, maintainability, and delivery of end-to-end features across the stack.

Software Developer at Makkke Digital Inc., Vancouver, BC

January 1, 2023 - October 1, 2024

Developed an insurance marketplace platform using React, TypeScript, Go, Python, GraphQL, and PostgreSQL. Improved codebase quality through effective refactoring to enhance readability and efficiency. Increased application reliability by promptly fixing bugs and performing comprehensive testing. Proposed and implemented system improvements that enhanced performance and user satisfaction.

Software Developer at Omnae Technologies Inc., New Westminster, BC

September 1, 2020 - February 1, 2022

Developed a supply chain management platform using React/Redux, Node.js/Express, MongoDB, and GraphQL. Wrote comprehensive unit tests to ensure robustness and reliability. Completed prompt bug fixes to enhance functionality and user experience. Conducted code refactoring to improve readability and efficiency, and provided internal feedback and suggestions to streamline processes and improve system performance.

Software Developer at BASE, Vancouver, BC

September 1, 2020 - January 1, 2023

Led development of a real-time chat/communication platform using Go and Couchbase for the backend, and TypeScript with React + MobX for the web, plus React Native + Redux for mobile. Enhanced user experience by designing features that analyze user traits based on interaction patterns. Optimized trait analysis calculations, significantly reducing processing time. Mentored new team members and supported onboarding to improve team cohesion and efficiency.

Software Developer at Bre ak Systems Co., Ltd., Tokyo

July 1, 2015 - February 1, 2019

Developed and optimized key features for an electricity management app and a telecommunication billing system using Java, JavaScript, and an Oracle database. Conducted code reviews to uphold quality standards and facilitate offshore coordination for timely bug resolution. Trained new team members to enable smooth onboarding and effective workflows.

Software Developer at All In One Solution Technology Inc., Tokyo

June 1, 2014 - June 1, 2015

Developed an e-commerce application using Java and an Oracle database, contributing to the successful implementation of critical features and functionalities. Trained new team members on creating effective tests to ensure streamlined project workflow and comprehensive test coverage.