Description

Senior Full Stack & AI Systems Engineer with 9+ years of experience architecting scalable platforms, AI-driven systems, and cloud-native infrastructure.

Experienced in building distributed applications, intelligent automation workflows, and geospatial decisionsupport systems at production scale.

Strong background in React, Next.js, Node.js, Django, and AWS, with deep expertise in Kubernetes, CI/CD

automation, and real-time data systems. Experienced in integrating LLM-powered applications and designing secure, high-performance backend architectures.

Comfortable operating across the full technical stack, from system architecture and infrastructure design to ML integration and performance optimization.

Languages

Japanese
Native or bilingual
English
Fluent

Workplace preferences

Remote only

Primarily works remotely

Free Freelancing
Senior Full Stack & Al Engineer (Solo Consultant)
DIGITAL AND IT
January 2023 - Today (3 years and 5 months)
Florida City, United States
• •Architected and delivered end-to-end AI-driven platforms for startups, covering backend systems, frontend applications, cloud infrastructure, and deployment automation.
• • Designed distributed, high-availability architectures using Node.js, Django, Redis, and event-driven patterns to support real-time data processing.
Cloud Platforms and Infrastructure Software Architecture Python LLM DevOps
Gray Matters Technology Service, LLC
Backend and Al Engineer
January 2021 - November 2023 (2 years and 10 months)
• • Designed and implemented scalable backend systems using Django, Redis, and AWS for financial and data-driven platforms.
• • Built real-time financial visualization systems integrating Django, Redis, and Google Charts for order-flow analysis.
• • Developed high-performance React 18 applications leveraging hooks and concurrent rendering features.
• • Implemented complex state management architectures using Redux for scalable frontend systems.
Bentley Systems
Full Stack & GIS and Automation Developer
August 2019 - January 2021 (1 year and 5 months)
• •Architected scalable web applications managing large-scale geospatial and infrastructure datasets.
• • Designed GIS-driven workflows integrating OpenStreetMap and spatial datasets for renewable energy infrastructure planning (solar & battery systems).