Blog
Technical Writing
Deep-dives on backend engineering, cloud infrastructure, and AI — written from real production experience.
Blockchain
May 24, 2026·12 min read
Building a Blockchain Explorer for Substrate Chains with 3 Microservices
How I architected a production blockchain explorer for Substrate-based chains — an RPC server, a block worker that subscribes to new heads and parses extrinsics/events, and a WebSocket broadcaster for real-time frontend updates.
SubstrateNode.jsMicroservicesWebSocketsPolkadot
Read
AI / Computer Vision
May 10, 2026·8 min read
Building a Real-Time Object Detection Pipeline with Python and OpenCV
A practical guide to building a production-ready computer vision pipeline using Python, OpenCV, and a pre-trained YOLO model — from local prototype to a REST API endpoint.
PythonComputer VisionOpenCVYOLOREST API
Read
Cloud Infrastructure
May 20, 2026·10 min read
Deploying Node.js Microservices on AWS ECS with Docker and CI/CD
Step-by-step guide to containerising a Node.js service with Docker, pushing to ECR, defining ECS task definitions, and wiring up a GitHub Actions CI/CD pipeline for zero-downtime deployments.
AWSECSDockerNode.jsCI/CDGitHub Actions
Read