Abdul Wahid Kahar

Backend Developer with 2+ years of experience building scalable web applications and high-performance APIs using Go & Laravel, based in Bandung, Indonesia.

From the blog

Golang Pointers: Deep Dive & Advanced Concepts

A comprehensive guide to pointers in Go. From basics to advanced concepts including memory management, escape analysis, pointer receivers, and real-world patterns.

GolangGo

Laravel Request–Response Lifecycle

A concise, practical tour of Laravel’s request lifecycle—and how the same ideas map to Django, Ruby on Rails, and Express.js.

LaravelWeb Architecture

How I Fixed My Laravel Backend Performance Nightmare

A real-world story about how I solved critical performance issues in a Laravel application that was taking 15+ seconds to load. Learn the exact steps I took to optimize database queries, implement caching, and restructure code for production.

LaravelPHPBackend