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Backend platforms and intelligent automation systems designed around reliable business workflows.
AI-Powered Personal Operating System
An AI platform that helps individuals organize knowledge, automate workflows, and reduce repetitive thinking through agents, integrations, and intelligent retrieval.
Explores AI agents, RAG, enterprise integrations, and workflow automation through a unified personal operating system.
Python · FastAPI · LLMs · RAG · MCP
Integration-First Payroll Engine
A Spring Boot payroll platform demonstrating enterprise payroll processing, attendance management, compensation, and immutable payroll records.
Demonstrates domain-driven design, effective dating, concurrent payroll execution, and enterprise backend architecture.
Java · Spring Boot · PostgreSQL
Digital Asset Infrastructure Platform
A backend platform for digital wallets, ledgers, rewards, credits, and virtual assets focused on transactional integrity, idempotency, and scalable architecture.
Built with Node.js around ACID-compliant ledgers, asynchronous workers, and transactional correctness.
Node.js · PostgreSQL · Redis