Built, shipped,and running.

№ 001 — 2025–26

A multi-tenant property management and guest engagement platform: NFC/QR digital house manuals, real-time check-in and check-out tracking, and automated AI support. I owned the backend end to end.

• High-normalisation PostgreSQL schema with partitioned transaction logs
• Stripe Connect for multi-tenant subscriptions and payouts
• Twilio SMS notifications and OTP verification
• Dockerised CI/CD targeting Oracle Cloud

Node.js · PostgreSQL · Stripe · Redis · Docker

Built at Fonix Technologies

№ 002 — 2025–26

Internal HRMS backend designed from a blank page — employee operations, recruitment, payroll, and attendance. The interesting problems were access control and authentication.

• Database schema and REST API architecture designed from scratch
• Dynamic RBAC: admins compose custom roles at runtime
• Temporary-password auth flow with no credentials stored in the database

Node.js · Express · MySQL · RBAC

Built at Fonix Technologies

№ 003 — 2024

A creative tool that turns natural-language prompts into high-resolution images using Stable Diffusion, with a Streamlit interface for fast experimentation. My first serious dive into diffusion models.

Python · PyTorch · Streamlit · Diffusion Models

№ 004 — 2025–26

Backend support for a mining asset-performance platform. Implemented data-processing logic in FastAPI and supported hierarchical grouping of equipment failure tasks over PostgreSQL.

FastAPI · PostgreSQL · Python

Contributed at Fonix Technologies

№ 005 — 2025–26

Backend infrastructure for a sweepstakes gaming platform. Implemented queue-based KYC verification and task-processing flows that kept the system reliable through traffic spikes.

FastAPI · MongoDB · Python

Contributed at Fonix Technologies

№ 006 — 2023

A classic arcade recreation in Unity — game loop architecture, state management, and input handling. An early exercise in component-based design.

Unity · C#