Private AI infrastructure, multi-tenant SaaS, and foreign-worker focused HR — designed, built, and operated end to end. A self-managed environment of 35+ containers combined with established enterprise SI, security, and design partnerships delivers consistent quality from SMB to large-enterprise scale.
Get in touchServices
From digital signage to multi-tenant SaaS, academic AI search, and foreign-info chatbots — every stack on this page is one we run ourselves before shipping it to clients.
Elevator and lobby digital advertising platform. Rolling server, admin dashboard, automatic scheduling delivered turn-key. Full / Half / Quarter slots lower the entry barrier.
02 — Multi-tenant SaaSPostgreSQL multi-tenancy with 5 microservices (Auth · HR · Attendance · Payroll · Download). Live at klok.missmrcrazy.com as a working reference.
End-to-end pipeline: arXiv PDF → structured XML → vector embeddings. Static / dynamic hybrid + vector search + private LLM inference as a production RAG stack. Running at koineu.com.
04 — HR SolutionGPS / beacon attendance verification, automated payroll. Multi-language UI for foreign workers as the differentiator. Spring Boot + FastAPI microservice architecture.
A retrieval-augmented information system answering visa, labor, and daily-life queries across multiple languages. Operated on a private LLM inference environment — no personal data leaves the network.
Multi-domain reverse-proxy routing, container orchestration, and private LLM serving infrastructure — full-stack design, build, and operations.
Android app that auto-records location at the moment a card payment notification arrives — for people who can't remember where they tapped. Local-only, no servers, 10-language UI.
An SSH-first multi-session terminal for macOS · Windows · Linux. Start a Claude / Gemini / Codex CLI session on your studio, then attach to it from your iMac or laptop with full scrollback. Drag-drop SFTP upload, auto-reconnect, Keychain-encrypted credentials. Official release: June 1, 2026 · 14-day Pro trial.
iOS / Android companion. Attach from your phone with voice input to AI CLI sessions running on your desktop HiTerminal. Mobile stays free forever — we don't charge for "the remote control". Late 2026.
An all-in-one SaaS that solves two operational headaches at youth centers. 📱 Tablet lending with auto-lock + 🏛 Facility booking self-serve. 14-day free trial. Live at lent.missmrcrazy.com.
🎁 Bundle both modules — only ₩45,000/month (about 10% off vs separate).
Visit logging, activity check-in, and medication reminders for senior centers and care homes. The senior-care counterpart to HiLent. Late 2026.
A digital advertising platform that monetizes underutilized elevator and lobby displays. Advertisers and operators manage everything via a web CMS. Slots start from a single Quarter (₩20K/mo) — low risk to test.
Operating Services
Not demos. Live services with real traffic — visit any of them directly.
Technology Stack
Tools that go into the infrastructure we run daily. We choose for proven stability, not for what's trending.
Partners & Collaborators
Enterprise-grade SI, security, and design engagements are delivered with vetted partner firms. Combined expertise and references across each domain ensure consistent quality at scale.
Founded 2018, Bundang, Gyeonggi-do. Software development & integration, Cloud · MSA · DevOps consulting. Certified venture (Innovation Growth), ISO 45001:2018.
Reference clients
Samsung Electronics DS · Samsung Fire & Marine · Hyundai M&F · Hana Securities · SK Securities · CJ Olive Networks · Hanjin Logistics · HL Mando · Bespin Global
Security-focused subsidiary of LFO Inc. Flagship product SecuStream (Kerberos) — unified platform integrating firewall policy management with intelligent threat response.
Capabilities
Centralized firewall management · Automated threat response (SOAR) · Endpoint Protection (EDR) · ISMS-P / GDPR compliance
Brand identity & visual design studio. Distinctive graphic and UX/UI work backed by a multi-year track record of major-account engagements.
Track record
Multiple design contracts with leading Korean enterprises · Branding · campaigns · interactive visuals · operations & hosting handled in collaboration
Engagement Process
A four-step engagement. Each step delivers concrete artifacts — documents, PoCs, or production code.
FAQ
Contact
Email us about digital signage, system builds, or AI automation consulting.