Portfolio
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BACKEND ENGINEER

Building clean, reliable core services and highly predictable database systems. Focused on performance, data integrity, and writing maintainable code.

Selected Work
Nov 2025 - Dec 2025

Iron-Clad-Ledger

A robust, double-entry banking ledger engineered with strict ACID transactional guarantees, concurrent data-safety, and precise financial integrity.

PostgreSQL PL/pgSQL Docker Prisma ORM
May 2026 - May 2026

CapitalGuard

A high-integrity backend security and monitoring service designed to track, validate, and protect financial data streams from anomalies.

Node.js Express.js IndexedDB Full Stack Architecture
Jul 2026 - Jul 2026

FlashSale

A high throughput order ingestion system using Nginx, Docker, and Kafka to absorb massive traffic spikes and protect the database.

Docker Node.js Express.js Kafka Nginx
Jun 2026 - Jul 2026

Voltex

Voltex is a containerized, high performance backend infrastructure designed to simulate a production grade API gateway and caching layer.

Docker Node.js Express.js Prisma ORM Nginx Redis
Jul 2026 - Aug 2026

ChatRoom

Chat in rooms and sync live counters instantly with this lightweight bidirectional streaming app.

Docker HTML5 Node.js WebSocket
Sep 2025 - Sep 2025

Weather-API

instead of relying on our own weather data, we will build a weather API that fetches and returns weather data from a 3rd party API.

Node.js Express.js Redis
Technology Stack
01. Backend & Core
JavaScript Node.js Express.js RESTful APIs OOP Data Structures WebSocket
02. Infrastructure & Tools
Git GitHub Ubuntu Linux Jest Postman Docker CI/CD
03. Data & Security
PostgreSQL Redis Prisma ORM IndexedDB JWT OAuth2 Passport.js Nginx Apache Kafka