MuleSoft / Data Integration Engineer
Based in Japan · Integration development since April 2024
Japanese: JLPT N1 · English: TOEIC L&R 775 (April 2021)
I develop APIs that connect enterprise systems using MuleSoft, Salesforce, Notes, SharePoint and AWS S3. In a recent project, I independently developed five MuleSoft APIs for document and attachment integration.
Projects
May - July 2026
Independently developed five MuleSoft APIs to move documents and attachments into AWS S3. Checked design documents, investigated retrieval-condition errors and participated in code and document reviews. Delivered the APIs and design documents for consideration in subsequent phases.
Project details (Japanese) →February - April 2026
Implemented and checked Notes extraction and S3 integration, verified AS400 connectivity, and investigated retrieval and attachment constraints. Documented technical issues that informed the next expansion phase.
Project details (Japanese) →August - December 2025
Worked in a development team of approximately 20 people, implementing System APIs and conducting unit and integration tests. Implemented JMS message delivery, checked SFTP format changes, and contributed to PR reviews, branch coordination and test evidence.
Project details (Japanese) →November 2024 - March 2025
Developed and adjusted CSV upsert integration into Salesforce using MuleSoft. Investigated keys, related records, empty values and field conversion constraints with SOQL and tests. Contributed to the March 2025 production launch.
Project details (Japanese) →Personal Product
Designed, developed and operated a multilingual certification study platform with 272 questions, practice sessions, mock exams and a 15-minute assessment. Built with Next.js, TypeScript, Cloudflare D1 and Supabase Auth, with server-side grading.
Open Tuvoria ↗Personal Infrastructure
Containerized this site with Docker and Nginx and deployed it to a personally managed Linux server. Configured Cloudflare Tunnel and a GitHub Actions self-hosted runner to publish updates on push.
Skills
Education
Master's degree, Degree Programs in Systems and Information Engineering, Intelligent and Mechanical Interaction Systems.
Bachelor's degree, Faculty of Engineering, Department of Electrical and Electronic Systems Engineering.
Certifications
Contact
For opportunities and interviews