Andreas Möller
Owner at localheinz
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolAndreas Möller is a self-employed software engineer and consultant based in Berlin with over 14 years of professional experience and more than 25 years of coding practice. He helps organizations ship web applications faster and with lower total cost of ownership by emphasizing test-driven development, CI, and maintainable PHP architectures. Andreas has led modernization efforts at companies like Refinery29 and contributed substantial quality and tooling improvements across many high-profile open-source PHP projects such as Composer, PHPUnit, PHP-CS-Fixer and Symfony Flex. His work often focuses on code hygiene, refactoring, test automation and dependency management—practical improvements that quietly reduce long-term maintenance risk. Beyond client work he runs his own firm and remains an active OSS maintainer, speaker and writer, demonstrating a commitment to both craft and community. An unstated strength: he consistently turns legacy, monolithic codebases into testable, Composer-managed projects that scale with teams.
14 years of coding experience
12 years of employment as a software developer
International Business, International Business at Anglia Ruskin University
German, English
Stackoverflow
9,384reputation
647kreached
225answers
1question
phpunit
top-5%
php
top-1%
travis-ci
top-1%
Github Skills (137)
dependency-management10
tooling10
url-routing10
datetime10
benchmark10
package-management10
json-schema10
dependency-analysis10
testing10
command-line-interface10
http10
standardized10
refactor10
phpunit10
performance-testing10
Programming languages (20)
Github contributions (5)
FakerPHP/Faker
Dec 2022 - Dec 2022
Faker is a PHP library that generates fake data for you
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 254 reviews, 25 commits in 7 days
Contributions summary:Andreas primarily focused on improving code quality and adhering to coding standards within the FakerPHP library. They implemented code style fixes using PHP CS Fixer, including enabling and configuring various fixers like `void_return`, `no_trailing_comma_in_singleline`, and `trailing_comma_in_multiline`. Additionally, they made changes to the test suite and refactored code to avoid deprecated functionalities, demonstrating a commitment to maintainability and best practices.
php-library
thephpleague/fractal
Aug 2015 - Apr 2017
Output complex, flexible, AJAX/RESTful data structures.
Role in this project:Back-end Developer
Back-end DeveloperContributions:15 commits, 14 PRs, 22 comments in 1 year 8 months
Contributions summary:Andreas primarily contributed to bug fixes and improvements within the `thephpleague/fractal` repository. Their commits focused on refining the codebase by addressing typos, adding missing arguments to docblocks, and streamlining code logic. The user also worked on adding tests and ensuring the correct output and functionality of the serialization methods, especially for JsonApiSerializer. They demonstrated proficiency in maintaining and improving the project's core functionality.
ajaxdata-structuredata-structuresrestrestful
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