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AbRahman-Ra/README.md

Hi there, I'm Abdurrahman 👋, a Backend Developer

Currently solving business problems and modernizing legacy systems in Java, Spring Framework and Spring Boot

My Resume | My LinkedIn | Email me at: abdurrahman.tantawi@gmail.com

My Open-source Contributions:

1. PHP Oauth1 Client Issue Fix Contribution (PR)

  • Pinpointed and fixed a critical SSO authentication bug for X (formerly Twitter) in Laravel Socialite, with a pull request with a clear solution document

2. ZAXEG [ZATCA XML E-invoice Generator] (In Progress)

Currently building a robust Java/Spring Boot SDK for Saudi Arabia's ZATCA compliance. This builds upon my foundational prototyping:

  • PHP ZATCA XML Parser: Prototyped the complex XML generation and cryptographic hashing required for Phase 2 clearance.
  • Laravel ZATCA API Prototype: Developed an initial integration guideline package with detailed documentation for the Zakat, Tax & Customs Authority APIs.

3. I have Explained Head First Object-oriented Analysis & Design Book's Content In Arabic, in this YouTube Playlist

My Professional Certificates

My Current Tech Stack

java spring thymeleaf aws mysql git linux

However, I have proven experience working with

laravel javascript typescript vue

And hands-on experience with

kotlin nodejs postgresql mongodb docker rabbitmq

My Next-on Steps (updated 02/2026)


Last Updated: February 2026

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  1. zaxeg zaxeg Public

    ZATCA XML E-Invoice Generator, Building an invoice generator that comply with ZATCA e-invoicing phase 2 requirements

    Java 3

  2. node-hunt node-hunt Public

    An AI Job Hunting tool for companies in Bahrain, using sijilat.bh, made in Bun and TS

    TypeScript

  3. oauth1-client oauth1-client Public

    Forked from thephpleague/oauth1-client

    OAuth 1 Client

    PHP

  4. psql-notes psql-notes Public

    These are my notes for learning PostgreSQL.

    52