Engineering Blog & Case Studies

Practical articles on WebSockets, Docker, Node.js RBAC, OCR pipelines, and system optimization based on real production experience.

Dec 10, 2025 8 min read

Building a Real-Time Price Engine with WebSockets

How I built a real-time jewellery pricing engine that updates 500+ SKUs per second using Socket.io, Bull queues, and Redis caching — serving 50+ wholesale retailers.

WebSocketsNode.jsReactBackend
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Nov 18, 2025 6 min read

Docker + Google Cloud Run: Deploying Node.js Apps to Production

A practical guide to containerizing Node.js applications with Docker and deploying them to Google Cloud Run with CI/CD — based on my experience shipping 3 production apps.

DockerGCPNode.jsDevOpsCI/CD
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Oct 5, 2025 7 min read

My Journey Solving 400+ LeetCode Problems: Tips for Beginners

From struggling with Two Sum to confidently solving DP and Graph problems — my 18-month DSA journey, study strategies, and practical advice for anyone starting their LeetCode grind.

DSALeetCodeCareer GrowthJavaC++
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Sep 22, 2025 10 min read

RBAC Authentication System: A Complete Guide for Node.js

A production-grade Role-Based Access Control system with JWT authentication, refresh tokens, and permission middleware — exactly what I built for the Yuga Yatra jewellery platform.

Node.jsSecurityJWTMongoDBBackend
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Aug 14, 2025 6 min read

OCR Pipeline: Extracting Text from Product Labels with Python

How I built an OCR pipeline to digitize 10,000+ handwritten jewellery product labels — from image preprocessing to text extraction with Tesseract and Python.

PythonAI/MLOCRTesseractImage Processing
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Jul 30, 2025 5 min read

From College Project to Production: Lessons from Shipping 3 Apps

The real-world lessons I learned transitioning from academic projects to production applications serving paying customers — things no CS degree teaches you.

CareerFull-StackStartupLessons Learned
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Oct 11, 2026 12 min read

AI Agents in 2026: OpenAI Dots vs Meta Muse and the Rise of Always-On Autonomous AI

In September 2026, Meta launched Muse and OpenAI launched Dots. Both are always-on agents that get their own cloud computer and browser and keep working toward a goal after you close the app.

AI AgentsAgentic AIOpenAIMuseAutonomous AIAI Engineering
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