Selected Works
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Featured works and case studies from Plusing. Explore the projects we have built, centered on AI-driven development.
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Introduced AI-driven development for a client in the life insurance industry. Centered on Claude, we established a spec-driven (SDD) approach from requirements to implementation and evaluation, and supported team adoption.
AI-Driven (Claude)SDDAI-driven support for modernizing a legacy core system. Leveraging our own AgenticSearch, the open-source harness Banto, and AI Context Store to understand a large codebase and renew it incrementally.
AI-Driven (Claude)AgenticSearchBantoAI Context Store- 3-day build
Built an enterprise-grade demo application for the life insurance industry with AI-driven development (Claude, SDD). Spec-driven development and automated evaluation delivered a working demo just 3 days after requirements.
AI-Driven (Claude)SDDEnterprise-grade AI-driven support for migrating a mainframe assembler program to an open system. We handled the migration, including EBCDIC-to-ASCII character encoding conversion, at enterprise-grade quality.
AI-Driven (Claude)Enterprise-gradeHandled a large-scale system upgrade with AI-driven development (Java, TDD), ensuring enterprise-grade quality.
AI-Driven (Claude)JavaTDDEnterprise-gradeAccompanied a life insurance client's AI-driven PoC. We defined verification items through spec-driven development and assessed results quickly at enterprise-grade quality.
AI-Driven (Claude)SDDEnterprise-gradeAccompanied a real estate client's company-wide AI rollout. We organized use cases across teams and advanced a rollout plan with adoption and operations in mind, driven by AI.
AI-Driven (Claude)Integrated AI into a POS (register) system for the beauty industry. Using Claude and Gemini, we implemented features that fit naturally into in-store operations.
AI-Driven (Claude)Gemini- In Development
Call ChatGPT, Claude, Gemini, and Perplexity simultaneously with the same prompt.
AIMulti-LLMNext.js - 60% efficiency gain
An internal AI agent chat site that makes accessing in-house information easy.
AIAWSClaude - 30% efficiency gain
A dashboard to manage, analyze, and respond to inquiry types and pre-registration data.
Data AnalyticsNext.jsPostgreSQL - 100% satisfaction
A full-scratch site with i18n support, featuring Sakura (light) and Space (dark) modes.
Next.jsi18nDark Mode - Over 30M JPY raised
A social network enabling wallet login and cryptocurrency payments.
BlockchainSolidityPolygon - In Development
A wallet app usable for payments, supporting iOS and Android and over 40 chains.
React NativeiOSAndroid - Over 30M JPY raised
A blockchain game where you can earn real value using dedicated NFTs and cryptocurrency.
BlockchainSolidityPolygon - Faster, SEO-optimized
Renewed the official site of an overseas-born project, improving speed and maintainability.
VitePressBlender3D Model Inflow and CV analysis for a major HR company's service, supporting data-driven decisions.
Data AnalyticsBigQueryPythonLoad testing for a major life insurer's new order system, completing multiple rounds of verification before release.
JMeterJavaEclipseFaithfully turned a provided illustration into a 3D model, focusing on surface detail for depth.
Blender3D ModelDiagnosed and improved a healthcare venture's AWS environment, achieving cost optimization and operational efficiency.
AWSModernized a major life insurer's existing system, adding new-requirement features alongside the upgrade.
Node.jsDesign review of a major life insurer's AWS infrastructure, supporting best-practice improvements.
AWS- Significant traffic growth
A portfolio-and-blog site for an individual designer, unifying work and publishing.
WordPressPHPBlog
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