Namiko Toriyama
Software Engineer at Mercari, Inc.
Sendai, Japan
Summary
🎓
Top SchoolNamiko Toriyama is a software engineer with eight years of experience building backend systems and cloud-native services, currently working at Mercari and based in Sendai, Japan. She holds a master's in computer science from Ochanomizu University and combines strong Go, Java, and Python skills with practical expertise in gRPC, Kubernetes, Docker, and GCP. Her career spans roles from research engineering on typhoon visualization and mobile apps to backend leadership at Mercari and contributions to critical open-source projects like the Tremor runtime, where she improved Kafka consumer rebalance handling. Comfortable across full-stack concerns—TypeScript/React front-ends to Terraform-enabled infra—she emphasizes testable, observable systems. Colleagues know her for pragmatic debugging improvements and a pattern of shipping robust, production-ready fixes rather than theoretical prototypes.
7 years of coding experience
4 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at Ochanomizu University
Github Skills (4)
kafka10
logging10
rust10
error-handling9
Programming languages (12)
Github contributions (5)
tremor-rs/tremor-runtime
May 2021 - May 2021
Main Tremor Project Rust Codebase
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits, 1 PR, 7 comments in 2 days
Contributions summary:Namiko's commits focus on modifying the `src/source/kafka.rs` file within the Tremor runtime project. They implemented and refined the `post_rebalance` functionality, adding logging and adjusting error handling related to Kafka consumer rebalancing. The commits involved refining log messages and correcting error formatting to improve debugging capabilities. This work enhances the project's ability to handle Kafka consumer rebalancing events.
tremor-queryrusttremor-languagescodebasetremor
NamikoToriyama/NamikoToriyama.github.io
Mar 2020 - Sep 2023
Contributions:16 PRs, 52 pushes, 36 branches in 3 years 6 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.