I'm a hands-on software engineer with 4 years of experience in full-stack development, specializing in React, Next.js, and TypeScript. I build production-ready SaaS apps and integrate AI workflows to deliver scalable, high-quality code. Based in Melbourne and available for immediate starts, I thrive in fast-paced environments and enjoy collaborating with cross-functional teams to translate business needs into robust technical solutions. I am passionate about delivering value through well-designed frontend architectures and modular components.…

Mai Shimizu

I'm a hands-on software engineer with 4 years of experience in full-stack development, specializing in React, Next.js, and TypeScript. I build production-ready SaaS apps and integrate AI workflows to deliver scalable, high-quality code. Based in Melbourne and available for immediate starts, I thrive in fast-paced environments and enjoy collaborating with cross-functional teams to translate business needs into robust technical solutions. I am passionate about delivering value through well-designed frontend architectures and modular components.…

Available to hire

I’m a hands-on software engineer with 4 years of experience in full-stack development, specializing in React, Next.js, and TypeScript. I build production-ready SaaS apps and integrate AI workflows to deliver scalable, high-quality code.

Based in Melbourne and available for immediate starts, I thrive in fast-paced environments and enjoy collaborating with cross-functional teams to translate business needs into robust technical solutions. I am passionate about delivering value through well-designed frontend architectures and modular components.

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Skills

Experience Level

React JS
Expert
TypeScript
Expert
Node.js
Expert
Docker
Expert
Figma
Expert
HTML5
Expert
AWS
Expert
PostgreSQL
Expert
Express
Expert
GraphQL
Intermediate

Language

English
Advanced
Japanese
Fluent

Work Experience

Senior Frontend/Web Engineer at AISIN Corporation, Japan
August 1, 2025 - April 1, 2026
Led the frontend architecture and implementation of a mission-critical internal talent management and e-learning platform, scaling to 4,000–6,000 active employees. Leveraged Next.js, TypeScript, and Node.js to deliver a robust, scalable solution. Owned technical decision-making for the platform’s rendering strategy, driving a hybrid SSR + CSR architecture to maximize initial page-load speed and minimize client-to-backend round trips. Defined comprehensive technical and functional requirements by partnering with HR executives and engineering stakeholders, translating ambiguous business problems into robust technical strategies. Designed enterprise-grade component libraries in Figma and established frontend UI in one month.
Frontend Engineer (AI & Web Platform) at Woven by Toyota, Japan
August 1, 2022 - July 1, 2025
Engineered and scaled a high-performance React/Next.js portal for internal stakeholders and global innovators, focusing heavily on UI performance optimization and core web vitals. Architected and deployed a production-grade GenAI chatbot using LangChain and Qdrant vector database, implementing robust RAG-based search workflows that transformed internal document discovery. Drove iterative performance enhancements and web resilience practices based on data-driven observability and user feedback, ensuring an instant-loading user experience across diverse devices, reducing internal document discovery time by approximately 30%. Collaborated daily in English with a fast-paced, multinational Agile/Scrum team, actively participating in code reviews and defining frontend coding standards.

Education

Bachelor of Art at Sugiyama Jogakuen University
April 1, 2015 - March 31, 2019

Qualifications

Bachelor’s Degree
April 1, 2015 - March 31, 2019

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Manufacturing