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The complete collection / 10 projects

Projects

Backend systems, full-stack products, and AI experiments. Open a project to explore the work, architecture, and available demos.

All Projects

/01

Ethos Finance

NestJS · React · PostgreSQL · Prisma · Gemini

Personal finance platform that tracks banking, credit cards, loans, and investments on a strict ledger so net worth is not inflated by double-counted repayments. Balances are encrypted before they reach PostgreSQL, market prices sync from Yahoo Finance and AMFI, and a Gemini copilot can query the books only after the user confirms any write.

/02

Set-Center ERP / MES

Node.js · TypeScript · PostgreSQL · Prisma · AWS

Production ERP/MES backend for a food packaging manufacturing company in Japan. Sole backend engineer across the full project lifecycle — from requirements and architecture through development, deployment, and ongoing maintenance. The system manages production scheduling, multi-stage inventory, transactional workflows, real-time factory floor updates, and document generation.

/03

Shift-Kanri (シフト管理)

Node.js · Express · TypeScript · PostgreSQL · Prisma · Redis

Production REST API backend for enterprise shift scheduling, tablet-based attendance punch-in, leave tracking, and Japanese labor compliance for part-time and shift-based workforces. Designed and built from scratch with Express 5, TypeScript, PostgreSQL (Prisma), and Redis—incorporating complex conflict-resolution scheduling, a triple-tier master/transaction/audit data architecture, and LINE push notifications.

/04

Shokunin Base (職人BASE)

Node.js · MongoDB · Mongoose · REST APIs · LINE · CometChat

Production B2B/B2C platform connecting skilled professionals and companies based on skills, experience, and project requirements. The platform supports end-to-end workflows including user and company profiles, skill-based discovery and matching, project posting, scheduling, contracts, reviews, and internal communication.

/05

EventNest

Node.js · Express · MongoDB · WhatsApp · PDF

Operations backend for a chain of party plots around Ahmedabad. WhatsApp and public-form inquiries become scored leads, then confirmed wedding bookings, with billing, signed booking papers, and automated payment reminders.

/06

BlogSoftAI

Next.js · TypeScript · Generative AI · Tailwind CSS · Firebase

Modern, end-to-end, AI-powered blogging and publishing platform designed to automate content creation, visual asset generation, SEO optimization, and audience distribution while preserving full human editorial control. Integrates a feature-rich Editorial Admin Studio, a high-performance Public Reader Portal, and an autonomous background generation engine into a unified publishing ecosystem.

/07

AI Image Generator

Next.js · FastAPI · PostgreSQL · Clerk

An image-generation application connecting a Next.js photo workspace to a FastAPI backend for image operations, authentication, subscriptions and usage quotas. The hosted frontend connects to its dedicated Render API.

/08

TextTips

Next.js · AI SDK · MongoDB · Better Auth

A full-stack Next.js writing assistant that rewrites text in Professional, Friendly, Concise, Polished, Clear and Confident tones. Server-side routes handle AI responses, authentication, usage tracking and payment verification in the same repository.

/09

Document Analysis

Express · TypeScript · FAISS · RAG · SSE

A document intelligence proof of concept with PDF/text ingestion, embeddings, vector search and streaming chat. A new evidence workspace makes the backend visible through document selection, uploads, questions and source references.

/10

Glow Salon Voice Agent

Python · FastAPI · LiveKit · React · Tool Calling

A voice receptionist for a fictional salon, with service discovery, availability tools, multi-service bookings, rescheduling and cancellation. Recruiters can explore a guided booking walkthrough immediately; live voice requires a configured API and running LiveKit worker.