AI / LLM№ 01
AI Ad-Recommendation Engine
Recommendation system that pairs LLM agents with vector embeddings to surface the most relevant ads per advertiser and context.
PythonFastAPINuxtPostgreSQLOpenAI
02 — What We Do
What We Do
Long-term software outsourcing for Japanese enterprises — web platforms, DX systems, e-commerce, LINE apps, AI services, and games. Client work is delivered under NDA by our Vietnam team, so the briefs below are anonymized: no client names, no logos — just the breadth of what we build.
A — Capabilities
Selected Work
Years of Japan-focused delivery, NDA-first. Each card is an anonymized engagement — grouped by domain, tagged with the real stack we shipped on.
AI / LLM№ 02
AI App-Generation Pipeline
Pipeline that turns a repo URL and a design screenshot into a deployable Next.js app — vision analysis, LLM code generation, and automatic deploy.
Next.jsFastAPIGeminiCeleryPostgreSQL
AI / LLM№ 03
Ad-Campaign Automation Service
Backend service that monitors social ad campaigns, auto-pauses underperformers against configurable thresholds, and alerts the team in chat.
GoDockerSlack API
Entertainment№ 04
eSports Streaming Platform
Live eSports streaming and community platform with a multi-agent AI support desk and multi-brand domain support.
Vue.jsGoPythonKubernetesOpenAIPinecone
Safety / IoT№ 05
Maritime Safety & Rescue App
Safety app for fishers that broadcasts SOS signals with real-time location, manages multiple devices per user, and coordinates emergency response.
GogRPCFlutterAWS
GovTech / DX№ 06
Municipal DX Platform
Digital-transformation system for a local government: welfare-officer management, resident applications, and communication tools across five roles.
Ruby on RailsReactTypeScriptMySQLAWS
SaaS / FinTech№ 07
Shareholder-Benefits Rewards Platform
Multi-tenant B2B SaaS digitizing shareholder-benefit programs: point-based rewards, per-company branding, five role portals, and an IVR redemption channel.
GoGinPostgreSQLRedisReactAzure
LINE№ 08
LINE Coworking-Cafe App
LINE mini-app for coworking cafes: QR check-in/out, seat booking, tickets and subscriptions, plus AI-driven campaigns to optimize occupancy.
GoVue.jsPostgreSQLLINE API
LINE№ 09
LINE Commerce & Chatbot Platform
White-label commerce and customer-communication platform on the LINE ecosystem — multi-tenant OEM deployment with an AI chatbot and polyglot microservices.
Ruby on RailsGoNode.jsNuxt.jsGraphQLLINE API
FinTech№ 10
Multi-Role Billing Platform
Monorepo billing platform with separate frontends for owner, issuer, customer, and admin over a shared GraphQL backend.
Ruby on RailsNext.jsGraphQLMySQLTypeScript
FinTech№ 11
Invoicing & Payment-Reconciliation System
Cloud billing platform that automates payment reconciliation, supports multiple payment methods, and gives customers a secure self-service portal.
Ruby on RailsPostgreSQL
EdTech№ 12
Video Education & Tournament Platform
Video-based learning with tournament management and integrated card payments, built on Go microservices.
GoReactVue.jsStripe
HRTech№ 13
Construction Job-Matching Platform
Job-matching marketplace for the construction industry with advanced filtering and real-time notifications.
GoVue.jsPostgreSQL
Robotics / IoT№ 14
Autonomous Robot Fleet Management
Control system for a fleet of autonomous transport robots: real-time fault alerts plus operator monitoring and manual takeover.
Ruby on RailsVue.jsNode.js
Enterprise DX№ 15
Inspection Report Management System
Enterprise inspection-report tooling with legacy-data migration and server-side PDF generation over time-series storage.
Ruby on RailsVue.jsTimescaleDB
E-commerce№ 16
Multi-Domain E-commerce & LP Builder
Multi-domain commerce system with customizable landing pages, order management, and integrations across several shipping and payment providers.
Ruby on RailsVue.jsMySQL
E-commerce№ 17
Direct-Delivery Gifting E-commerce
E-commerce site for direct-delivery floral gifting with a streamlined ordering flow that lowers cost per order.
Ruby on RailsVue.jsAWSKubernetes
E-commerce№ 18
Cross-border Cosmetics E-commerce
Cross-border cosmetics store with localized checkout wired to regional payment gateways.
Node.jsDocker
E-commerce№ 19
Content-Driven Commerce Platform
High-traffic, content-led commerce platform serving a cross-border consumer market.
Ruby on RailsVue.jsAWS
Media / Web№ 20
Liver-Health Info Media
Health-information media site with community voting and integrated online donations.
Ruby on RailsVue.jsAWS
Games№ 21
Serverless Live-Event Game
Real-time interactive mini-game for a large live event, running serverless across a multi-cloud backend for burst scale.
ReactAWS LambdaDynamoDBFirestore
B — Our Product
Our Product — Game Studio
Our Product
Behemoth Game Studio
Beyond client delivery, we build and operate our own games. The studio pairs certified, provably-fair game engines with an AI-driven content pipeline — from art generation to an LLM that turns a written brief into a playable game.
Our own product line.
- Certified slot engines
- Provably-fair, independently certifiable RNG math and slot engines built for production operation.
- AI asset pipeline
- Generative pipeline for game art, audio, and animation that shortens the path from concept to shippable assets.
- LLM game generator
- A generator that takes a plain-language brief and produces a playable game — mechanics, content, and assets wired together.
GoPythonPixiJSGSAPOpenAIGeminiElevenLabs
Have a project for a Japan-facing team that ships under NDA?