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Andreas HolsteinAH

Andreas Holstein

Fullstack Software Developer Laravel

€880/day
Lünen, DE
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Andreas

I am an experienced Laravel and full-stack freelancer with expertise in developing modern web and mobile applications.
With over 15 years of experience in PHP and Laravel (versions 5-12), I implement projects efficiently, cleanly, and scalably – from conception to deployment.
I combine backend excellence (Laravel, REST APIs, Microservices, TDD) with modern frontend technologies (Vue.js, Inertia.js, Livewire, Tailwind CSS, Alpine.js, Bootstrap) and mobile development (Flutter).
Additionally, I bring DevOps know-how for smooth deployment and infrastructure management (Linux Server, Docker, CI/CD, Forge, Vapor).
  • German

    Native or bilingual

  • English

    Conversational

Can work on-site
Lünen (up to 50km)

Experience

  • AH.system UG
    Entrepreneur, Software Development
    SOFTWARE PUBLISHING
    June 2021 - March 2024 (2 years and 9 months)
    Hamm, Germany
    • Independent conception, development, and support of customer projects
    • Full-stack development with PHP, MySQL, and Laravel
    • Interface development and connection of external systems via REST APIs
    • Mobile app development (Native / Cross Platform / Hybrid)
    • Setup and maintenance of CI/CD processes
    • Responsibility for project management, customer communication, and technical architecture
    - Interfaces and web services (REST / SOAP)


    PHP Laravel Gitlab CI/CD Git SASS SAAS
  • SMF
    IT Consultant
    SOFTWARE PUBLISHING
    April 2020 - June 2021 (1 year and 2 months)
    Dortmund, Germany
    • Consulting, conception, and development of individual software solutions
    • Backend development in PHP/MySQL with Symfony (Retail and E-commerce)
    • Integration of different systems and services via APIs
    • Development of mobile applications based on Cordova
    • Introduction and optimization of CI/CD workflows (Jenkins)
    JavaScript, HTML5, CSS3, PHP, MySQL
  • Mate GmbH
    Freelance Software Developer
    MECHANICAL ENGINEERING
    May 2018 - March 2020 (1 year and 10 months)
    Dortmund, Germany
    • Development and further development of web and mobile applications
    • Focus on backend with PHP/MySQL and Laravel
    • Frontend with Javascript
    • Implementation of REST APIs and their interaction with third-party systems
    • Mobile app development with Cordova and Flutter
    • New development of the order and management system with Laravel and Vue.js
    • Web hosting Plesk and administration of web servers


    Laravel PHP CI/CD Git MySQL

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Certifications

  • PHP
    Comcave
    2009
    OOA PHP Advanced OOP OOD PHP Fundamentals
  • Java SE
    SUN Certified Programmer
    2009
    Java SE

Skill set

Categories