queue-system

Local-network song-request queue for restaurants: server-side anti-cheat, YouTube playback, table/player/admin UIs

A resilient email delivery backend system built as part of the PearlThoughts internship challenge.

📨 Serverless Telegram bot that queues & schedules channel posts — Cloudflare Workers + D1, albums, retries, dead-letter queue | ربات تلگرامی صف‌بندی و ارسال زمان‌بندی‌شده محتوا روی Cloudflare

A MERN Stack based Hospital Queue Management System with appointment booking, real-time queue tracking, and role-based dashboards.

Next In Line: A zero-manual-intervention hiring pipeline that replaces spreadsheets with a deterministic, capacity-bounded queue system. Built with the PERN stack.A self-healing hiring pipeline featuring atomic capacity enforcement, deterministic queue ordering, and automated inactivity decay via PostgreSQL row-level locking.

Sistem manajemen antrean publik real-time berbasis WebSocket (Node.js & Socket.io) dengan integrasi multi-layar, audio lonceng, dan panggilan suara otomatis Bahasa Indonesia.

Node.js image-processing server for queueing and merging layered images with Sharp.

A feature-rich, customizable Discord music bot built with Node.js and discord.js. Supports YouTube, Spotify, and more, with advanced queue and playback controls, admin features, and easy configuration. Uses Lavalink with advanced plugins for high-quality audio streaming.

Node.js background job processing system with BullMQ, Redis, PostgreSQL, retries, delayed jobs, worker-based async processing, and CI

A Discord bot to manage respawn queues for Tibia players.

QueueLess is a web based application designed to reduce the problem of standing in long queues. It allows user to take token digitally and check their queue position instead of waiting physically

Scalable Todo API with background queue processing and race condition prevention

PostgreSQL scheduler benchmark on 500k rows: 356.667 ms to 0.196 ms (warm cache) using a B-tree index, a partial index, and LIMIT. Includes real EXPLAIN ANALYZE output.

⚡ High-performance queue system built with Bun runtime, Drizzle ORM, and PostgreSQL - handles cinema schedules, lottery data, conflict resolution and duplicate management

Aplikasi Antrian Standalone Lintas Platform dengan TTS Multibahasa dan Integrasi WhatsApp

Async backend system for transforming compliance policies into structured checklists with AI, retry logic, and failure safe design

Centralized patient queue and management system for the fictitious Harrow + Ammit Medical Center. Made in fulfillment of requirements for Practicum 1 & 2.