Toshinori Sugita
Staff Software Engineer at LegalOn Technologies- Claim this Profile
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English -
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日本語 Native or bilingual proficiency
Topline Score
Bio
Credentials
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Build a Modern Computer from First Principles: From Nand to Tetris (Project-Centered Course)
CourseraJul, 2021- Nov, 2024 -
Build a Modern Computer from First Principles: Nand to Tetris Part II (project-centered course)
CourseraJul, 2021- Nov, 2024 -
Data Structures and Algorithms by Georgia Tech
edXJun, 2021- Nov, 2024 -
Introduction to Discrete Mathematics for Computer Science
CourseraJun, 2021- Nov, 2024 -
TOEFL 94
The TOEFL® testMay, 2021- Nov, 2024 -
Computational Thinking for Problem Solving by University of Pennsylvania
CourseraMar, 2021- Nov, 2024 -
Introduction to Programming with Python and Java Specialization by University of Pennsylvania
CourseraMar, 2021- Nov, 2024 -
応用情報技術者試験 (Applied Information Technology Engineer)
IPA: Information-technology Promotion Agency, JapanJun, 2013- Nov, 2024 -
TOEIC 910
The TOEIC® ProgramApr, 2012- Nov, 2024 -
CKS: Certified Kubernetes Security Specialist
The Linux FoundationDec, 2021- Nov, 2024 -
CKA: Certified Kubernetes Administrator
The Linux FoundationMar, 2020- Nov, 2024 -
Professional Data Engineer
Google CloudJan, 2021- Nov, 2024 -
CKAD: Certified Kubernetes Application Developer
The Linux FoundationDec, 2019- Nov, 2024 -
Professional Cloud DevOps Engineer
Google CloudOct, 2020- Nov, 2024 -
Professional Cloud Architect
Google CloudAug, 2020- Nov, 2024
Experience
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LegalOn Technologies
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United States
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Technology, Information and Internet
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1 - 100 Employee
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Staff Software Engineer
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Apr 2023 - Present
- Build an application development platform as a platform engineer - Develop Go language ecosystem as an architect - Build an application development platform as a platform engineer - Develop Go language ecosystem as an architect
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Ubie
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United States
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IT Services and IT Consulting
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100 - 200 Employee
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SRE
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Jan 2022 - Mar 2023
SRE, and Software Engineer of platform services Develop and operate an identity platform service - Introduce SLI/SLOs - Enhance observability with prometheus custom metrics - Migrate from Firebase - Implement features in Go and Next.js - Introduce fastly WAF SRE - Migrate Cloud SQL to Spanner - Operate service infrastructure build with fastly, GKE, other GCP managed services, Terraform, and so on Org development - Build tools and data pipelines for company member attributes, such as skills, past assignments - Recruiting Show less
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SHE株式会社
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Japan
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Professional Training and Coaching
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1 - 100 Employee
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SRE
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Feb 2021 - Feb 2023
Lead engineer of microservice platform team as a double work SRE member - Establishing a roadmap of microservice platform - Introduced Observability, especially connected cross-service request information and error reports with trace ID - Recruiting - Built gRPC and proto management system - Disaster recovery training by destroying dev cluster and explain how to investigate and fix - Introduced kubernetes-external-secrets Lead engineer of microservice platform team as a double work SRE member - Establishing a roadmap of microservice platform - Introduced Observability, especially connected cross-service request information and error reports with trace ID - Recruiting - Built gRPC and proto management system - Disaster recovery training by destroying dev cluster and explain how to investigate and fix - Introduced kubernetes-external-secrets
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Mercari, Inc.
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Japan
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Software Development
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700 & Above Employee
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Software Engineer
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Sep 2018 - Dec 2021
2020.1〜 Mercari Microservices Platform Software Engineer of microservices platform (Go, Shell script, Google Cloud Platform, Kubernetes, Terraform) used by Mercari, Merpay, and Mercari US - Held Istio workshop for microservice developers - Introduced Kubernetes Network Policies to enhance network security with Terraform abstraction - Introduced Workload Identity for Kubernetes security enhancement - Lead disaster recovery project cooperating with Merpay SRE and got awarded - Redesign a log sink and migrated to the new version - Wrote books about Terraform & Google Cloud for onboarding backend developers 2018.9〜 merpay Tech Lead Software engineer of microservices (Go) and infrastructure (Google Cloud Platform and Kubernetes) - Designed, implemented, reviewed code, and managed two new microservices from scratch for financial system on top of Kubernetes as a technical lead - Held two-hour workshops of OSS distributed system (Knative +α) three times for 200 developers in and outside company Show less
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freee.k.k.
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Japan
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IT Services and IT Consulting
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200 - 300 Employee
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Software Engineer
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Jan 2015 - Aug 2018
Software engineer of backend (Ruby, Go), frontend (JavaScript, HTML, CSS), and desktop application (C#) - Implemented bank statement retrieval desktop app from one bank to 1,500 banks with re-architecting both client and server-side - Increased 50 % of download and usage of the app through quantitative analysis of support ticket and user interviews - Established and lead a four-member team for Windows and Mac desktop app as a technical lead - Developed the Japanese first electronic tax application desktop app for both Windows and Mac within five months by introducing Xamarin Show less
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NTT DATA
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Japan
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IT Services and IT Consulting
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700 & Above Employee
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Sales
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Apr 2012 - Dec 2014
Technical Sales for the largest telecommunication company in Japan Technical Sales for the largest telecommunication company in Japan
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Education
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2022 - 2025
Georgia Institute of Technology
Master of Science - MS, Computing Systems, Computer Science -
2007 - 2012
一橋大学
Bachelor of Arts, Social Sciences
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