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Matthew Kobayashi

@matthewkobayashi

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Creative frontend developer with 8 years of experience.

United States

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What I'm looking for

I am looking for a role that values creativity and collaboration, offering opportunities for growth and innovation.

Experienced and highly skilled Frontend Developer with over 8 years of expertise specializing in React and building dynamic, user-friendly applications. Passionate about delivering high-quality code, optimizing front-end performance, and creating seamless user experiences. Strong proficiency in modern web technologies, version control systems, and front-end tools. Proven track record of leading projects from concept to completion, collaborating in cross-functional teams, and contributing to product innovation.

Experience

Work history, roles, and key accomplishments

Senior Frontend Developer

Stripe

Sep 2023 - Feb 2025 (1 year 5 months)

Led the development of a large-scale React and Redux application to improve user interactions and state management. Collaborated with UX/UI designers to enhance user experience, and worked closely with backend developers to implement RESTful APIs. Additionally, Mentored junior developers, and utilized TypeScript to improve code quality and maintainability

React Material UI TailwindCSS AngularJS HTML CSS API Development ETL Tools Git GitHub

Front End Engineer (React)

Donut

Apr 2019 - Aug 2023 (4 years 4 months)

Collaborated with cross-functional teams to deliver user-centric features. Implemented modular components using Next.js and improved page load times by 20% through a robust caching strategy. Developed and maintained accessibility standards across all UI components.

Next.js TailwindCSS Redux Code Review Accessibility Standards Git GitHub Performance Optimization

Junior Frontend Developer

Databricks

Apr 2017 - Feb 2019 (1 year 10 months)

Created and maintained features for a React and Node.js based B2C financial application. Developed a responsive MVP application for analyzing credit card points and a complex JSON-based form solution for client-side validation.

React Node PostgreSQL API Development JSON Responsive Design WebSockets Git GitHub Debugging

Education

Degrees, certifications, and relevant coursework

Tohoku University

Bachelor of Science, Computer Science

2012 - 2016

Completed a Bachelor of Science in Computer Science, focusing on software development, algorithms, and data structures. Engaged in various projects that enhanced practical skills in programming and system design.