Akito Hayashi

Senior Full Stack Engineer with 8+ years of experience building and evolving scalable web platforms across SaaS,
fintech, e-commerce, and marketplace domains. Delivered 70+ product features and improvements across customerfacing applications, business workflows, and internal systems while improving software maintainability, engineering
quality, and development efficiency.
Experienced in designing and implementing frontend architectures, backend services, REST APIs, and cloud-based
systems using React, TypeScript, Node.js, NestJS, and PostgreSQL. Proven ability to collaborate with international
distributed teams, reduce technical debt, and deliver reliable solutions for complex product requirements. Passionate about
clean architecture, engineering excellence, and building AI-powered features with modern cloud technologies.