Tatsuya Kaneko is a senior software engineer based in Amsterdam with 14 years of experience building reliable back-end systems and consumer-facing iOS apps. He blends strong Go backend expertise—contributing to projects like a general push notification server and ISUCON performance tooling—with hands-on SwiftUI and on-device ML work for experimental audio sentiment apps. His career spans product-focused roles at Tiqets and freelance engagements for clients such as ING and SyncVR Medical, demonstrating an ability to move between fast iterations and production-grade engineering. Tatsuya often owns end-to-end features from authentication and database schema design to image upload, admin tooling and lifecycle-sensitive audio processing. Comfortable shipping both infrastructure-level fixes and user-facing interfaces, he brings a pragmatic, design-aware approach to performance and resource-constrained problems. Colleague-facing and curious, he pairs a business-administration background with formal CS studies in the Netherlands to translate product needs into robust technical solutions.
14 years of coding experience
11 years of employment as a software developer
Bachelor, Bussiness Administration, Bachelor, Bussiness Administration at Meiji University
a web application performance improvement training
Role in this project:
Back-end Developer
Contributions:35 reviews, 558 commits, 626 PRs in 7 years
Contributions summary:Tatsuya primarily contributed to building a web application for performance improvement training. Their work focused on implementing user registration and login functionalities. They also added features such as image uploads, comments, and a basic admin interface for user banning, indicating involvement in core backend components like database interactions and session management, and front end with HTML templates.
Contributions:4 releases, 2 reviews, 80 commits in 5 years 10 months
Contributions summary:Tatsuya primarily contributed to the push notification server's back-end functionality, focusing on Go code. Their work included implementing logging for API requests, modifying configuration defaults, and fixing a bug related to the `SendNoRetry` function. The user also refactored the code to use the `Send` function and introduced support for APNs push types for iOS 13+. Additional contributions involved updating dependencies and refactoring code.
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