Masato Nakamura



Solutions Architect | Box, Inc.

Tokyo, Japan Jul. 2020 - Current

As a Solutions Architect, I work directly with our customers, pre- and post-sale, to define and build out complex solutions using Box services and platform. I play a critical role in building and sustaining customer and partner relationships while driving the adoption of our product and platform.

Site Reliability Engineer | Toreta, Inc.

Tokyo, Japan Feb. 2019 - Jul. 2020

Middleware Upgrade: Upgraded Ruby from 2.3 to 2.6 and Rails from 4.2 to 6.0 realizing more productive Rails app development process.

Job Queue: Designed current Job Queue architecture. Batch execution is stable even when the number of jobs increased significantly. Achieved significant performance improvements when executing batches.

Engineering Onboarding: Designed Engineering Onboarding Process and trained all engineers. It is designed to help engineers understand how each API works.

Backend Engineer & Team Lead | Toreta, Inc.

Tokyo, Japan Oct. 2016 - Jul. 2020

Worked on API platform as a team lead in Backend team. Led various projects in many areas including core models, microservices, data migration, authentication, internationalization, and release management.

Core Model: Designed and implemented current inventory model using cache. Achieved significant performance improvements when requesting inventory.

Microservices: Designed and implemented current microservices architecture. It is designed to clarify the responsibilities of each API so that each team can easily develop independently.

Backend Engineer & Team Lead | Recruit Holdings Co., Ltd.

Tokyo, Japan Apr. 2015 - Sep. 2016

Worked on many projects and shipped a lot of features for AirWAIT.


Master of Engineering, Computer Science. University of Tsukuba - Tsukuba, Japan



MySQL, Amazon Aurora, Google Cloud SQL(advanced), PostgreSQL(intermediate)


Ruby On Rails(advanced), CircleCI, New Relic, Datadog, Amazon EC2, EKS, S3, Google BigQuery, GKE, Algolia, Heroku

© 2020 Masato Nakamura

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