---
title: "Abdulahmed Abdulhakeem (@abdulahmed-dev) | Hashnode"
description: "Senior Backend Engineer · Payments, identity & AI systems. Read the latest articles by Abdulahmed Abdulhakeem on Hashnode."
url: "https://hashnode.com/@abdulahmed-dev"
---

@abdulahmed-dev

# Abdulahmed Abdulhakeem

@abdulahmed-dev · Lagos, Nigeria · Joined November 2026

Senior Backend Engineer · Payments, identity & AI systems

### [HMAC Request Signing in Laravel: Make the Signature Format Explicit](https://abdulahmed.hashnode.dev/hmac-request-signing-in-laravel-make-the-signature-format-explicit?utm_source=hashnode&utm_medium=feed)

HMAC integrations fail when services disagree on bytes or encoding. Define signing contracts across Laravel, SDKs and ML services.

8 min read · [abdulahmed.hashnode.dev](https://abdulahmed.hashnode.dev/hmac-request-signing-in-laravel-make-the-signature-format-explicit?utm_source=hashnode&utm_medium=feed)

[1d ago](https://hashnode.com/posts/hmac-request-signing-in-laravel-make-the-signature-format-explicit/6af30909606603ddc66258b8)