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

A Discord bot to manage respawn queues for Tibia players.

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.

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

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.

Scalable Todo API with background queue processing and race condition prevention

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

Production-grade benchmark comparing PostgreSQL scheduler patterns: 845ms → 3ms using partial indexes, advisory locks, and SKIP LOCKED. 500k URL simulation with real production patterns.

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