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FreelanceCross-Border E-Commerce Platform

Kanhaji Japan

Production-grade e-commerce platform built for a Japan-based client with secure payments, admin management, and scalable cloud architecture.

Live 🚀

Status

Japan 🇯🇵

Market

Freelance

Type

Full-Stack

Category

Tech Stack

Next.jsReact.jsTypeScriptNode.jsExpress.jsMongoDBRedisDockerNginxAWS EC2JWTTailwind CSS

What I Built

  • â–¸Engineered a full-stack cross-border e-commerce platform tailored for the Japanese market with modern UI/UX and responsive architecture.
  • â–¸Developed secure authentication and authorization systems, including JWT-based session handling and role-based admin controls.
  • â–¸Integrated payment gateways (GMO & Square), logistics APIs, and automated order workflows.
  • â–¸Built comprehensive admin dashboards for product, order, customer, and inventory management.

Scalability & Engineering

  • â–¸Implemented Redis caching to reduce repeated database calls and significantly improve API response times.
  • â–¸Configured Nginx reverse proxy for optimized request routing and production-grade deployment.
  • â–¸Containerized all services using Docker for environment consistency and easier horizontal scaling.
  • â–¸Improved SEO and page performance using Next.js SSR/SSG architecture for faster rendering and discoverability in Japanese search results.
  • â–¸Optimized image loading, API calls, and component rendering for a smoother user experience.

Ownership & Impact

  • â–¸Took end-to-end ownership of the project — from architecture design through deployment and production debugging.
  • â–¸Delivered against real business requirements, balancing scalability, security, and user experience simultaneously.
  • â–¸Managed production deployment, infrastructure setup, and iterative feature cycles independently.

Keywords

Full Stack DevelopmentProduction SystemScalable ArchitectureSystem DesignAuthenticationPerformance OptimizationCloud DeploymentE-Commerce
Live Project