Ryoma Kawajiri
Machine Learning Engineer at Teller Novel Inc.
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolRyoma Kawajiri is a Machine Learning Engineer based in Tokyo with 11 years of experience applying ML to real-world products, currently improving recommendation, story analysis, and AI audio drama generation at Teller Novel. He blends research-grade skills from Preferred Networks with hands-on production experience—shipping recommendation systems and scalable ML infrastructure for entertainment apps. His background spans robotics and deep learning deployments on AWS GPU/Docker, plus leadership as a scrum master on mobile manipulator development. An active engineer with strong testing and Swift experience (contributing QA and enum-mapping tests to a well-known ObjectMapper repo), he writes technical articles in Japanese and enjoys connecting data-driven systems to richer user experiences.
11 years of coding experience
8 years of employment as a software developer
Associate's degree, Mechanical Engineering, Associate's degree, Mechanical Engineering at National Institute of Technology, Tokyo CollegeUniversity of Tokyo
Japanese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (7)
unit-testing10
json10
swift10
test-framework10
object-mapping10
enums10
testing10
Programming languages (9)
Github contributions (5)
tristanhimmelman/ObjectMapper
Apr 2015 - Apr 2015
Simple JSON Object mapping written in Swift
Role in this project:
Back-end Developer & QA Engineer / Test Automation Engineer
Back-end Developer & QA Engineer / Test Automation EngineerContributions:21 commits, 1 PR, 1 comment in 7 days
Contributions summary:Ryoma primarily contributed to the development of testing infrastructure for the `objectmapper` library. Their work involved creating tests for mapping various enum types (Int, Double, Float, String) to and from JSON. They also implemented functionality to map enum arrays and dictionaries, and to ensure compatibility with nested keys. The commits demonstrate expertise in Swift and the use of testing frameworks to validate the library's functionality.
mappingswiftjson-simplejsonobject-mapping
strobo-inc/heroku-container-registry
Oct 2016 - Feb 2020
Contributions:2 PRs, 2 pushes, 2 branches in 3 years 5 months
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