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Hey! 👋 I'm Marc :) I'm a software developer based in Spain.

I like Ruby, and I like functional programming. You can see me advocating for a functional approach to the language, taking advantage of its flexibility and expressiveness to write code that blends object-oriented and functional paradigms.

My mission in open source is to make that vision more mainstream. I'm currently helping to build the Hanami framework together with the dry-rb ecosystem, where this mindset is at its core. I'm also the author of web_pipe, a library that allows building rack applications than can compose.

In the future, you can expect me to try to leverage this idea to build something with a positive social impact, as I think that should be technology's primary goal. You could also see me building some tools for developers probably in purely functional programming languages like Elixir or Haskell.

I work at a great place, Nebulab, helping to build Solidus, an open-source e-commerce platform for developers.

You can sponsor my OS work ❤️ ❤️


  1. web_pipe Public

    One-way pipe, composable, rack application builder

    Ruby 56 2

  2. Pub/Sub for Ruby

    Ruby 36

  3. devise-jwt Public

    JWT token authentication with devise and rails

    Ruby 1.1k 121

  4. JWT token authentication with warden

    Ruby 103 44

  5. Ruby library to parse files or strings with a front matter. It has automatic syntax detection.

    Ruby 63 10

  6. follow Public

    Haskell library to follow content published on any subject.

    Haskell 1 1

1,500 contributions in the last year

Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Mon Wed Fri
Activity overview
Contributed to solidusio/solidus, solidusio/solidus_frontend, nebulab/omnes and 161 other repositories

Contribution activity

November 2022

Created a pull request in solidusio/solidus_starter_frontend that received 6 comments

Fix Docker development environment

Description Fixes Docker development environment. The installation of mysql-client was broken due to a change in its pub key. We're now using the d…

+2 −4 6 comments
Opened 106 other pull requests in 9 repositories
waiting-for-dev/solidus 4 open 24 closed 55 merged
solidusio/solidus 3 closed 8 merged 1 open
solidusio/solidus_frontend 2 merged 1 closed
solidusio/circleci-orbs-extensions 1 merged 1 closed
solidusio/solidus_starter_frontend 2 merged
solidusio/solidus_paypal_braintree 1 merged
solidusio/solidus_support 1 merged
solidusio/solidus_auth_devise 1 merged
solidusio/solidus_dev_support 1 merged
Reviewed 30 pull requests in 8 repositories
solidusio/solidus 19 pull requests
solidusio/solidus_starter_frontend 4 pull requests
solidusio/solidus_dev_support 2 pull requests
solidusio/solidus_paypal_commerce_platform 1 pull request
solidusio/ 1 pull request
hanami/hanami 1 pull request
solidusio-contrib/solidus_social 1 pull request
solidusio/edgeguides 1 pull request

Created an issue in solidusio/solidus that received 7 comments

RestrictedStockManagement permission set is cirvumverted

We have the RestrictedStockManagement permission set class to restrict users with a given role (to which permissions are applied) to a sub-set of a…

Opened 2 other issues in 1 repository
Answered 1 discussion in 1 repository
1 contribution in private repositories Nov 2

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