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GENGAKUTAKU

Track Record

Track Record

Selected examples of our work. Client names are withheld under confidentiality, but the problem, technical choices, and outcomes are presented clearly.

DisclosureAnonymized case studies
Outcome styleQuantified results
DomainsAI, SaaS, DX
2025Finance

Internal document RAG system — design and build

Designed and built a RAG system over tens of thousands of internal policies, manuals, and inquiry records, enabling natural-language search and answer generation. Deployed on-premise to meet strict data residency requirements with zero external data transmission.

Technology

PythonLlamaIndexpgvectorPostgreSQLDocker

Outcome

Reduced average inquiry response time by 40%. Also shortened new-hire onboarding period.

2025SaaS

Japan-origin SaaS — Greater China localization

Supported the Greater China expansion of a growing Japanese B2B SaaS product. Redesigned the i18n architecture, implemented Simplified and Traditional Chinese support, optimized CDN delivery for mainland China, and ensured PIPL compliance — all in one engagement.

Technology

Next.jsReactnext-intlCloudflareAWS

Outcome

Improved page load time in Greater China to under 3 seconds. Local user count reached target within 3 months post-launch.

2026SMB (Services)

Excel-to-SaaS migration and process redesign

Migrated a 20-person service company from Excel-and-paper operations (accounting, attendance, contracts) to cloud SaaS. Completed the full cycle from As-Is process mapping through To-Be redesign, tool setup, staff training, and adoption support in 3 months.

Technology

freeeGoogle WorkspaceSlackZapier

Outcome

Shortened monthly closing from 5 business days to 2. Fully digitized paper-based contract management.