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You can do anything you set your mind to.

— a reminder I keep coming back to

01

Experience

WOTA

Fullstack Engineer

Jun 2025 - PresentTokyo, JP
  • Architected and deployed a scalable Redash analytics platform on AWS using ECS Fargate with four containerized services (server, scheduler, scheduled worker, ad hoc worker)
  • Implemented robust infrastructure with RDS PostgreSQL and ElastiCache Redis for data persistence and caching, with ALB, Route 53 DNS, and SSL/TLS via ACM for secure traffic distribution
  • Configured Docker containers with health checks, automated deployment pipelines, VPC security groups, and CloudWatch monitoring for high availability
  • Built a CLI tool to connect DynamoDB tables to Athena/Redash with automatic schema inference and one-command CDK deployment

Rakuten

Frontend Engineer

Oct 2022 - May 2025Tokyo, JP
  • Built an AI chat interface within Symworld (Rakuten Mobile's unified network management ecosystem) using Angular with real-time bi-directional communication via Spring Boot WebSocket endpoints and NGRX state management
  • Created custom UI components for Nokia's network management application using Angular and a custom-built UI library
  • Developed D3.js data visualizations for the Omnireach marketing automation platform, including a tree structure with custom trigonometry-based connecting lines between audience segments
  • Led the Symphony Web Portal — built a custom code editor using Angular to showcase the company's UI library, enabling developers across teams to test and inspect components
  • Developed a custom grid component for network telemetry data visualization in a network management tool
02

Skills

TypeScriptJavaScriptReactNext.jsAngularGoAWSRustNode.jsFigmaGit
03

Projects

Rumon Docs

This very site — a Notion-synced knowledge base + Claude-powered playground hosted on AWS Amplify.

DocusaurusAWS LambdaClaudeCognito

RSpace

Full-stack task management app built with Next.js 14 and Appwrite for real-time sync.

Next.jsAppwriteTailwindshadcn/ui

Wordle Clone

Modified Wordle with hint system using third-party APIs, built with React and Firebase.

ReactFirebaseAPI
04

Education

Temple University

Bachelor of Science — Economics & Computer Science

05

Get in touch