I will build ubl XML e invoicing integration and compliance peppol

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abdulhameed895
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abdulhameed895
Abdul Hameed
build ubl XML e invoicing integration and compliance peppol
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build ubl XML e invoicing integration and compliance peppol

About this gig

UBL XML E-Invoicing Integration · Compliance API · ERP, CRM & SaaS


Is your platform producing legally compliant invoices? Whether you are facing a government mandate or onboarding enterprise clients who require structured e-invoices I build clean, 

validated UBL XML invoice generation and e-invoicing APIs directly into your existing system.


I am a Senior Full Stack Developer with 6+ years of experience delivering UBL XML automation and e-invoicing API integrations across ERP, CRM, and SaaS platforms globally.


WHY CHOOSE ME


6+ years of hands-on development experience

Real delivered UBL and e-invoicing projects

Deep knowledge of EN 16931 and UBL 2.1 standards

Clean, documented, production-ready code

Strong communication and on-time delivery

Post-delivery support included


WHAT I DELIVER

  • Compliance audit and gap analysis with full written report
  • UBL XML invoice generation compliant with EN 16931 standard
  • Invoice validation engine for format, structure and field rules
  • E-invoicing API with submission flow and response handling
  • Integration into your existing ERP, CRM or SaaS platform
  • Full technical documentation and clean code handover


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  • Expertise

    • Debugging
    • Performance
    • Security
    • Databases
    • Testing procedures

  • Programming language

    • JavaScript

  • Frontend framework

    • Ember.js
    • Flutter
    • Next.js
    • Nuxt.js
    • React.js

  • Backend framework

    • Laravel
    • Express.js
    • Next.js
    • Node.js

Get to know Abdul Hameed

Abdul Hameed

Creating Smart AI, Web, Apps, and Tech related Programming Solutions

5.0(3)
  • FromPakistan
  • Member sinceJan 2021
  • Last delivery1 year

  • Languages

    Urdu, English, Hindi, German, Italian, French, Arabic
I specialize in AI-powered solutions, enterprise-level applications, and Google Business Profile management, helping businesses improve their local SEO, Google Maps ranking, and online visibility. I focus on UI/UX design, seamless functionality, and scalable applications, ensuring smooth performance across platforms. I’m a Software Engineer with experience in Java (JavaFX, Maven, Gradle, Spring Boot), C++, C#, .NET, MERN, Next.js, Flutter, HTML, and JavaScript. I love creating websites, web apps, and mobile apps that are easy to use, visually appealing, and solve real problems.

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