Tsubasa Nakajima
Enterprise Security Engineer at GO Inc.
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolTsubasa Nakajima is an Enterprise Security Engineer with 10 years of experience building secure, cloud-first corporate IT environments and operational security programs. He has led risk assessments, formalized security policies based on NIST and ISO27001, and stood up SOC capabilities using Microsoft Defender and Sentinel while performing incident response and basic digital forensics. Previously he helped establish a company CSIRT, redesigned cloud authentication and device controls (MFA, conditional access, Jamf), and automated business processes with ServiceNow, RPA, and Power Platform. At GO Inc. he also launched an internal generative AI platform using Dify and RAG to create chatbots and automate workflows that measurably improved business unit productivity. Comfortable both in hands-on operations (vulnerability scanning, custom detection rules) and low-code delivery, he bridges security, cloud architecture, and practical automation. Based in Chiyoda, Tokyo, he combines endpoint-to-cloud security expertise with product-minded automation skills and an active interest in mobile UI development from open-source Android work.
10 years of coding experience
8 years of employment as a software developer
Bachelor of Education - BEd, International Economics, Bachelor of Education - BEd, International Economics at Rikkyo University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (9)
kotlin10
android-ui10
android-component10
android-sdk10
android-gui10
android-components10
ui-components10
ui-design9
robolectric8
Programming languages (15)
Github contributions (5)
bassaer/ChatMessageView
Aug 2016 - Jul 2019
Chat UI library for Android :zap:
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:3 releases, 364 commits, 185 PRs in 3 years
Contributions summary:Tsubasa appears to be a mobile developer, specifically focused on Android UI development for a chat application. The commits primarily involve the creation and modification of UI components, such as a `ChatView`, message adapters, and custom views for displaying messages. The user implemented features like text selection and bubble shape customization, as well as general layout adjustments.
chat-uichatui-libraryandroidjava
bassaer/AppTesting
Jun 2017 - Nov 2017
Contributions:72 PRs, 70 pushes, 4 branches in 4 months
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