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AWS KMS Encryption System
Enterprise-grade encryption management eliminating 100% of unauthorized data access. Built KMS key rotation workflows, access policies, and audit trails for 200+ enterprise tenants. Includes React dashboard for managing 139+ KMS keys with status-based filtering and sorting.
✓ 100% unauthorized access eliminated✓ 139+ KMS keys managed✓ Multi-tenant audit trails
AWS KMSPHPPythonReactPostgreSQLLambda
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Japan Platform Integration
Led end-to-end integration of Japanese SaaS platforms (Cybozu Garoon, kintone) into SysCloud's backup ecosystem, expanding market reach by 25%. Designed backup/restore pipelines for Japan-region data with compliance to local regulations and API quirks.
✓ 25% market expansion✓ Full backup/restore✓ Compliance-ready
PHPPythonPostgreSQLAWS S3SQSREST APIs
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Box Backup & Restore
Built and improved Box cloud backup/restore pipeline with incremental backup support, folder hierarchy preservation, and delta sync. Reduced restore time by 70% through optimized batch processing and S3 Parquet storage.
✓ 70% faster restore✓ Incremental backup✓ Folder hierarchy preserved
PHPPythonAWS S3ParquetPostgreSQLECS
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Dynamic TTR System
Implemented Dynamic Time-to-Restore system that automatically adjusts restore priorities and resource allocation based on SLA tiers, data size, and customer priority. Reduced average restore window by 60% for enterprise customers.
✓ 60% faster average restore✓ SLA-aware scheduling✓ Auto resource allocation
PHPPythonSQSLambdaDynamoDBPostgreSQL
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AI-Powered Onboarding & Verification
Built GPT-driven onboarding automation reducing manual knowledge transfer time by 90%+ for Japan team ramp-up. Integrated Claude AI for code verification workflows, automated test generation, and documentation summarization across SysCloud's backend services.
✓ 90% knowledge transfer rate✓ Auto verification✓ GPT + Claude AI
Claude AIGPTPythonPHPAWS Lambda
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Microsoft 365 & SharePoint Integration
End-to-end backup and restore for SharePoint Lists, Outlook emails, and OneDrive via Microsoft Graph API. Handled delta sync, permission preservation, and large-scale batch export for 200+ enterprise M365 tenants.
✓ 200+ M365 tenants✓ Delta sync✓ Graph API integration
MS Graph APIPHPPythonPostgreSQLS3SQS
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PostgreSQL → Parquet/S3 Migration
Migrated large-scale PostgreSQL RDS backup data to Parquet files on S3, dramatically cutting database costs while boosting query performance via AWS Athena. Eliminated cold-query latency for archives older than 2 years from 10s+ to under 2s.
✓ $50K+ annual savings✓ 60% DB cost reduction✓ 10s+ → <2s query time
PostgreSQLAWS S3ParquetAWS AthenaPythonRDS
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Unified Notification Platform
Architected end-to-end multi-channel notification system covering Email, In-App, and Chat (Teams/Slack). Built on MDL 2.0 config-driven NestJS with SSPM & SIEM integration. Full E2E design and verification carried out via Claude AI.
✓ 3 channels unified✓ 100% config-driven MDL 2.0✓ SSPM & SIEM integrated
NestJSTypeScriptMDL 2.0TeamsSlackClaude AI
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SharePoint Restore — UB Graph Architecture
Migrated legacy SharePoint restore system to a modern UB Graph Architecture using PHP. Fully config-driven with zero code changes per entity. All legacy test cases were verified end-to-end using Claude AI and AI Agents, eliminating the old codebase entirely.
✓ Legacy codebase eliminated✓ Zero code per entity✓ Verified via Claude AI & Agents
PHPMS Graph APIUB ArchitectureConfig-DrivenClaude AIAI Agents
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Real-Time Sync Framework
Designed and built a real-time data sync framework using Docker, AWS ECS, and SQS that eliminated sync delays across multi-cloud backup pipelines. Replaced batch-window syncs with continuous event-driven processing, achieving 90% sync delay reduction.
✓ 90% sync delay reduction✓ Event-driven architecture✓ Multi-cloud support
DockerAWS ECSSQSTypeScriptMicroservicesEventBridge