Description

Full-stack software engineer with deep expertise in Python, AWS, and TypeScript. Proven ability to lead projects from concept to launch designing cloud architectures, modernizing legacy systems, and building scalable features that drive business value. Experienced in project management, technical leadership, and cross-functional collaboration. Constantly learning and applying new technologies to solve real-world problems.

Languages

English
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

RevComm
Software Engineer
July 2021 - Today (4 years and 11 months)
Minato, Tokyo, Japan
Led infrastructure migration project (VPC, account, database) with a team of 3 – delivered on schedule using AWS DMS, Terraform, Docker, GCP BigQuery.
Built billing calculation system (Python, Django, PostgreSQL) supporting real‑time usage tracking and automated invoicing.
Developed invoice issuing system (TypeScript, React, AWS Lambda) and reduced manual invoicing effort.
Managed cross‑department collaboration, task delegation, and technical mentorship.
Pytho Django React.js Typescript AWS
PORTAMENT
Software Engineer
July 2024 - December 2024 (5 months)
Shibuya, Tokyo, Japan
Implemented secure electronic signature integration using OAuth 2.0 + PKCE and real‑time webhooks.
Built AWS Lambda handlers (FastAPI, Strawberry GraphQL) with HMAC signature verification and S3 persistence.
Created automated reminder/notification engine with Amazon EventBridge – reduced manual follow‑up by 30%.
Pathfinder
Software Engineer
December 2023 - December 2024 (1 year)
Fukushima-shi, Japan
Designed event‑driven eKYC identity verification system (AWS Lambda, API Gateway, DynamoDB) and cut manual identity checks by over 40%.
Built email delivery system using Amazon SES, SQS, SNS.
Developed passenger registration feature (React, Node.js, PostgreSQL).
Created affiliate mileage integration and full‑stack linking form with cookie control, payment logic, and monthly reporting queries.