Martin Meyerhoff
Software Engineer at Freerunning Technologies
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolMartin Meyerhoff is a Berlin-based software engineer with 12 years of hands-on experience specializing in Ruby on Rails back-end development, particularly for eCommerce and CMS platforms. He has contributed significant refactors and feature work to well-known open-source projects like Spree and Solidus, improving tax/pricing logic, invoice generation, and image handling while reducing bugs and duplications. Comfortable with architecture-minded changes—renaming classes for clarity, moving logic to validation hooks, and introducing view-object patterns—he focuses on maintainability and testability. His work shows a consistent emphasis on internationalization of commerce features (VAT, multi-currency concerns) and pragmatic performance improvements in database interactions. Skilled at turning legacy code into modular, well-documented components, he blends steady craftsmanship with a collaborator’s mindset in open-source communities.
12 years of coding experience
Universität Potsdam / University of Potsdam
German, English, Spanish
Github Skills (24)
ruby-rails10
cms10
ecommerce10
rails10
ruby10
pdf-generation10
activerecord10
spree10
refactoring10
ruby-on-rails10
spreed10
unit-testing9
databases9
database9
database-migration8
Programming languages (12)
Github contributions (5)
solidusio/solidus
Jun 2015 - Oct 2022
🛒 Solidus, the open-source eCommerce framework for industry trailblazers.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:152 reviews, 573 commits, 459 PRs in 7 years 5 months
Contributions summary:Martin's contributions focused on refactoring the Solidus eCommerce framework's variant pricing, specifically moving price setting logic to before validation and adding specs to prevent duplicate prices. They also added comments to the variant pricer and renamed the `PriceGenerator` class to `VatPriceGenerator` to reflect its VAT-specific functionality. These commits involved class renaming and code modifications aimed at improving the system's design and functionality.
ecommercerailssolidusrubyshopping-cart
spree-contrib/spree_print_invoice
Jun 2015 - Nov 2015
Create a PDF invoice for Spree orders.
Role in this project:Back-end Developer
Back-end DeveloperContributions:15 commits, 8 PRs, 17 comments in 4 months
Contributions summary:Martin primarily focused on refactoring and enhancing the backend functionality of the `spree_print_invoice` repository. They restructured the invoice generation process by integrating Prawn-Rails and refactoring existing code into modular partials. The user introduced a view object architecture for printing various objects, enabling more flexible PDF template design and improving the system's overall maintainability. These changes included migrating invoice and packaging slip generation, refactoring the database, and modifying the admin interface.
pdf-manipulationpdfinvoice-pdfreact-pdfpdf-generation
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