About Me

My skills, professional experience, education, and certifications.

Skills

Backend

JavaSpring BootRuby on RailsPrisma ORMREST APIs

Cloud & DevOps

AWSDockerS3/CloudFrontAWS RDS/DMSAWS AmplifyGit/GitHubCI/CD

Databases

PostgreSQLMySQLSQL ServerOracle DBNeonDB

Frontend

TypeScriptJavaScriptReact.jsNext.jsVue.jsTailwind CSSHTML/CSSShadCN/Radix UI

Tools

Claude CodeCursorVS CodeFigmaSentry

Experience

Cloud Solutions Architect / Database Migration Team Lead

HCLTech (株式会社エイチシーエルジャパン)Tokyo, Japan · Hybrid

Apr 2025 – Present

Leading the database migration workstream for Nissan's enterprise cloud transformation, migrating 234 databases (647TB) across 151 applications from on-premises to AWS Tokyo Region.

Promoted mid-project from individual contributor to Database Migration Team Lead, managing a 5-member team of database SMEs across SQL Server, MySQL, PostgreSQL, and Oracle platforms
Served as primary point of contact for all database-related customer interactions across multi-vendor partnerships (Nissan, AWS, Fujitsu, HCL)
Architected 3 migration strategies (Native Backup/Restore, AWS DMS with CDC, Schema-level via SSMS), achieving 99.9% data integrity across all migrations
Designed multi-stage upgrade pipeline for SQL Server 2008–2019 → RDS 2022, including rollback strategies
Created 200+ page enterprise runbook templates adopted as the standard for all subsequent migration phases
Implemented cost optimization frameworks reducing test environment expenses by 60% through right-sizing
Delivered pilot migrations for 20 applications, establishing the scalable framework for production rollout
Led cross-regional coordination between teams in Japan, India, Singapore, Australia, and the Americas

Full-Stack Web Developer

TierLine Inc. (株式会社ティアライン)Tokyo, Japan · Remote

Oct 2024 – Mar 2025

Built features for a live sports streaming CMS (VK Sports Bull Koshien) powering live broadcasts, match scheduling, and video replay for Japanese high school baseball tournaments nationwide.

Modernized the existing development environment: Dockerized the application, upgraded Java and Node.js versions, updated Yarn and project dependencies to improve build stability
Implemented a complex new delivery type (Self-Delivery Test) end-to-end: schedule registration modals with business rule validation, relay stadium screen UI updates, and CSV bulk import/export
Built AWS MediaLive integration including a scheduled batch service to automatically start/stop transcoder channels, real-time channel status polling, and channel ID extraction from database URLs
Developed Slack webhook notification system for real-time operational alerts and an automated reminder email batch processor with scheduled jobs
Collaborated in daily Agile standups with client (Asahi Shimbun/IIJ), managed Gitflow branching with code reviews, and deployed to AWS EC2 with Docker

Construction Worker / Foreman

Watanabe Construction Industry Co. (株式会社渡部建設工業)Yokohama, Kanagawa, Japan

Apr 2016 – Jun 2024

8 years in construction developing leadership, team coordination, and project management skills that now inform my approach to software engineering.

Supervised construction teams to complete scaffolding and building projects on time, ensuring safety and quality compliance
Coordinated with project managers, engineers, and contractors to optimize workflows and maintain project schedules
Trained and mentored team members on scaffolding techniques, safety protocols, and equipment use, fostering collaboration and skill development

Education

Bachelor of Science

AMA University

Computer Science

2024 – 2027

Currently pursuing while working full-time. Deepening knowledge in data structures, algorithms, database systems, software engineering, and web development.

Full-Stack Web Development Bootcamp

Le Wagon Tokyo

Computer Software Engineering

2024 – 2024

Intensive 400-hour full-time coding bootcamp focused on modern web development and AI integration. Collaborated on a full-stack project from ideation to production using Ruby, Ruby on Rails, JavaScript, PostgreSQL, Docker, Heroku, and OpenAI APIs. Designed, implemented, and deployed an AI-powered CRM-like tool (PRM) for managing personal relationships.

Bachelor of Science

Southville International School and Colleges

Information Technology

2012 – 2015

Certifications

AWS Certified Solutions Architect – Associate (SAA-C03)

Amazon Web Services (AWS)

ID: c1dbffe1aeef43ec8e636f4cc4066c8b

Earned Jun 2025 · Expires Jun 2028

View Credential

AWS Certified Developer – Associate (DVA-C02)

Amazon Web Services (AWS)

ID: 47fe0cdbc1484d4e93390832f5d805e9

Earned Jul 2025 · Expires Jul 2028

View Credential

AWS Certified SysOps Administrator – Associate (SOA-C02)

Amazon Web Services (AWS)

ID: fa496853810a4cf8be9838db7864e979

Earned Aug 2025 · Expires Aug 2028

View Credential

AWS Certified Data Engineer – Associate (DEA-C01)

Amazon Web Services (AWS)

ID: cb4c64fcd11247cea8726e5c7f786ed3

Earned Jul 2025 · Expires Jul 2028

View Credential

AWS Certified Machine Learning Engineer – Associate (MLA-C01)

Amazon Web Services (AWS)

ID: 1c60fbea5b3c4e0eba90ce03ed792e34

Earned Sep 2025 · Expires Sep 2028

View Credential

AWS Certified AI Practitioner (AIF-C01)

Amazon Web Services (AWS)

ID: e6415368b5384486814f0d80a8614cc0

Earned May 2025 · Expires May 2028

View Credential

AWS Certified Cloud Practitioner (CLF-C02)

Amazon Web Services (AWS)

ID: 8b1ae03ac67d41c7bcfde3c056212ab5

Earned May 2025 · Expires May 2028

View Credential

Skills

Backend

JavaSpring BootRuby on RailsPrisma ORMREST APIs

Cloud & DevOps

AWSDockerS3/CloudFrontAWS RDS/DMSAWS AmplifyGit/GitHubCI/CD

Databases

PostgreSQLMySQLSQL ServerOracle DBNeonDB

Frontend

TypeScriptJavaScriptReact.jsNext.jsVue.jsTailwind CSSHTML/CSSShadCN/Radix UI

Tools

Claude CodeCursorVS CodeFigmaSentry

Experience

Cloud Solutions Architect / Database Migration Team Lead

HCLTech (株式会社エイチシーエルジャパン)Tokyo, Japan · Hybrid

Apr 2025 – Present

Leading the database migration workstream for Nissan's enterprise cloud transformation, migrating 234 databases (647TB) across 151 applications from on-premises to AWS Tokyo Region.

Promoted mid-project from individual contributor to Database Migration Team Lead, managing a 5-member team of database SMEs across SQL Server, MySQL, PostgreSQL, and Oracle platforms
Served as primary point of contact for all database-related customer interactions across multi-vendor partnerships (Nissan, AWS, Fujitsu, HCL)
Architected 3 migration strategies (Native Backup/Restore, AWS DMS with CDC, Schema-level via SSMS), achieving 99.9% data integrity across all migrations
Designed multi-stage upgrade pipeline for SQL Server 2008–2019 → RDS 2022, including rollback strategies
Created 200+ page enterprise runbook templates adopted as the standard for all subsequent migration phases
Implemented cost optimization frameworks reducing test environment expenses by 60% through right-sizing
Delivered pilot migrations for 20 applications, establishing the scalable framework for production rollout
Led cross-regional coordination between teams in Japan, India, Singapore, Australia, and the Americas

Full-Stack Web Developer

TierLine Inc. (株式会社ティアライン)Tokyo, Japan · Remote

Oct 2024 – Mar 2025

Built features for a live sports streaming CMS (VK Sports Bull Koshien) powering live broadcasts, match scheduling, and video replay for Japanese high school baseball tournaments nationwide.

Modernized the existing development environment: Dockerized the application, upgraded Java and Node.js versions, updated Yarn and project dependencies to improve build stability
Implemented a complex new delivery type (Self-Delivery Test) end-to-end: schedule registration modals with business rule validation, relay stadium screen UI updates, and CSV bulk import/export
Built AWS MediaLive integration including a scheduled batch service to automatically start/stop transcoder channels, real-time channel status polling, and channel ID extraction from database URLs
Developed Slack webhook notification system for real-time operational alerts and an automated reminder email batch processor with scheduled jobs
Collaborated in daily Agile standups with client (Asahi Shimbun/IIJ), managed Gitflow branching with code reviews, and deployed to AWS EC2 with Docker

Construction Worker / Foreman

Watanabe Construction Industry Co. (株式会社渡部建設工業)Yokohama, Kanagawa, Japan

Apr 2016 – Jun 2024

8 years in construction developing leadership, team coordination, and project management skills that now inform my approach to software engineering.

Supervised construction teams to complete scaffolding and building projects on time, ensuring safety and quality compliance
Coordinated with project managers, engineers, and contractors to optimize workflows and maintain project schedules
Trained and mentored team members on scaffolding techniques, safety protocols, and equipment use, fostering collaboration and skill development

Education

Bachelor of Science

AMA University

Computer Science

2024 – 2027

Currently pursuing while working full-time. Deepening knowledge in data structures, algorithms, database systems, software engineering, and web development.