---
title: "Jose Luis Bermejo Meléndez (@josebermejo) | Hashnode"
description: "Building Luhnify | Tech Lead & Full-Stack Developer. Read the latest articles by Jose Luis Bermejo Meléndez on Hashnode."
url: "https://hashnode.com/@josebermejo"
---

@josebermejo

# Jose Luis Bermejo Meléndez

@josebermejo · Seville, Spain · Joined July 2026

Building Luhnify | Tech Lead & Full-Stack Developer

### [How to Validate Passports, Tax IDs, and Credit Cards in Make.com Without Code or Complex Regex](https://josebermejo.hashnode.dev/how-to-validate-passports-tax-ids-and-credit-cards-in-make-com-without-code-or-complex-regex?utm_source=hashnode&utm_medium=feed)

Learn how to verify international document formats and checksums in under 100ms using a Zero-PII approach in your Make scenarios.

2 min read · [josebermejo.hashnode.dev](https://josebermejo.hashnode.dev/how-to-validate-passports-tax-ids-and-credit-cards-in-make-com-without-code-or-complex-regex?utm_source=hashnode&utm_medium=feed)

[Oct 15](https://hashnode.com/posts/how-to-validate-passports-tax-ids-and-credit-cards-in-make-com-without-code-or-complex-regex/6ad11e8d4fc0ee976634840a)

### [How to Validate DNI, NIE, and Passports in PHP, Laravel & Symfony Projects](https://josebermejo.hashnode.dev/how-to-validate-dni-nie-and-passports-in-php-laravel-symfony-projects?utm_source=hashnode&utm_medium=feed)

Luhnify SDK for PHP Validating national identity documents (such as Spain's DNI, NIE, or Passports) in web applications can quickly become a maintenance headache. Maintaining custom regular expressio

3 min read · [josebermejo.hashnode.dev](https://josebermejo.hashnode.dev/how-to-validate-dni-nie-and-passports-in-php-laravel-symfony-projects?utm_source=hashnode&utm_medium=feed)

[Jul 29](https://hashnode.com/posts/how-to-validate-dni-nie-and-passports-in-php-laravel-symfony-projects/6a6a425be6202e6db8ca44d6)

### [How to Validate DNI, NIE, CIF, and International Tax IDs in Your Backend](https://josebermejo.hashnode.dev/how-to-validate-dni-nie-cif-and-international-tax-ids-in-your-backend?utm_source=hashnode&utm_medium=feed)

Stop writing complex custom regexes for every country — validate format structures and checksums with a single lightweight API call.

2 min read · [josebermejo.hashnode.dev](https://josebermejo.hashnode.dev/how-to-validate-dni-nie-cif-and-international-tax-ids-in-your-backend?utm_source=hashnode&utm_medium=feed)

[Jul 25](https://hashnode.com/posts/how-to-validate-dni-nie-cif-and-international-tax-ids-in-your-backend/6a6498321f127e37c9e7a1ce)