Mar 3 · 11 min read · Background Job and Workflow Tools: BullMQ, Temporal, and Celery Every non-trivial application eventually needs to do work outside the request-response cycle. Send an email after signup. Generate a PDF invoice. Process a video upload. Sync data with a...
Join discussionFeb 12 · 3 min read · BullMQ Job Queue Patterns: Redis Task Processing at Scale The Challenge I Faced Three months ago, I was debugging the same issue over and over. Then I discovered this solution. Table of Contents Why This Matters Core Concepts Explained 5 Essential P...
Join discussionJan 12 · 3 min read · Why I Needed a Message Queue In my project, I had a Quotation feature where: Sales users submit quotation data A DOCX template is filled dynamically The DOCX is converted to PDF using LibreOffice The PDF is uploaded to cloud storage The PDF is e...
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Nov 8, 2025 · 1 min read · a simple word kafaka producer-consumer or redis pubsub used in websocket or any real time feature bcoz if lets say vdo cal happeing between 2 user vdo chatting and if 3:10-3:13 3 sec data losed and buffering happen then kafka dont give a fck about 10...
Join discussionOct 4, 2025 · 4 min read · Dalam pengembangan aplikasi modern, responsivitas adalah segalanya. Namun, seringkali kita dihadapkan pada tugas-tugas yang memakan waktu: memproses video, membuat laporan, atau mengirim ribuan email. Jika kita mengerjakannya secara langsung, penggun...
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Sep 25, 2025 · 5 min read · Notifications are everywhere. Whether it’s an email about a new transaction, a push alert from your favorite app, or an in-app bell icon lighting up, notifications are a big part of how apps keep users engaged. In this series, I’ll Walk you through h...
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Sep 25, 2025 · 8 min read · In Part 1 of this series, we built the foundation of an event-driven notification system in NestJS. Events are emitted, jobs are queued with BullMQ, and workers process them in the background. That gave us a clean and fast system, where sending a not...
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Sep 1, 2025 · 4 min read · As developers, we've all been there. Your application is running smoothly in production, users are happy, and then suddenly - everything breaks. The worst part? You find out hours later when angry support tickets start flooding in. This exact scenari...
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Aug 7, 2025 · 8 min read · Overview of the Application You Listen is a private, full-stack music streaming platform built for a small user base. Ad-free, clutter-free streaming. Admin-controlled library → Only admins upload songs. Signed URL streaming → Secure access, preve...
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Jul 24, 2025 · 8 min read · When I started my internship, I quickly learned that building an app isn't just about making cool buttons and fetching data. Sometimes, your app needs to do a lot of work in the background, like sending a bazillion push notifications. And if you're n...
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