Tomohiro Matsuzawa
Sr. Software Engineer Video at Amazon Web Services (AWS) Japan GK
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolTomohiro Matsuzawa is a senior software engineer specializing in live video streaming and cross-platform client/server systems, with nine years focused on video SDKs and low-latency streaming. He has driven IVS Mobile Client SDK work at Twitch and AWS Japan and architected sub-4-second low-latency HLS solutions and SRT ingestion features at CyberAgent. Equally comfortable in Swift, C/C++, Go, Java and JavaScript, he bridges mobile (iOS/Android) and server-side work across Linux, Windows, AWS and embedded platforms. His toolbox includes protocols like WebRTC, RTMP and HLS and databases such as MongoDB and Realm, enabling end-to-end streaming products from ingestion to playback. An open-source contributor, he improved code generation in the notable SwiftKotlin converter, showing a knack for tooling and cross-language interoperability. Based in Chiyoda, Japan, he brings deep debugging instincts and a history of shipping resilient, performance-critical media systems.
9 years of coding experience
16 years of employment as a software developer
Bachelor, Computer Science, 3.14, Bachelor, Computer Science, 3.14 at Tohoku UniversityCertification, Computer Studies, Certification, Computer Studies at Seattle Central Community College
Japanese, English
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (8)
kotlin10
swift10
code-transformation10
manipulation10
plugin-development9
eclipse-plugin6
eclipse6
java6
Programming languages (11)
Github contributions (5)
angelolloqui/SwiftKotlin
Sep 2018 - Sep 2018
A tool to convert Swift code to Kotlin.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits, 1 PR, 2 comments in 1 day
Contributions summary:Tomohiro primarily contributed to the `SwiftKotlin` project by modifying the code generation logic, particularly within the `KotlinTokenizer` and related plugins. They focused on refactoring and adapting the code transformation process, including updating deprecated functions and resolving build issues related to the import of Foundation framework. These changes enhance the project's functionality and code quality by fixing bugs and increasing code compatibility.
kotlinswift
openfresh/gosrt
Mar 2018 - Apr 2020
Go SRT library with the net package like API.
Contributions:1 release, 68 commits, 13 PRs in 2 years
golangapisrt
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