Sergio Arenas
CTO at TheNatureXperts
Mérida, Yucatán, Mexico
Summary
👤
Senior🎓
Top SchoolSergio Arenas is a pragmatic CTO and full-stack engineer with 12 years building web platforms, evolving from PHP/Drupal roots to over eight years focused on Python/Django while recently expanding into React and Node.js. Based in Mérida, Mexico, he blends hands-on development with leadership at Nucleo Technology Investments and ongoing product work for TheNatureXperts, with prior roles in fintech and search engineering. He emphasizes maintainable code, test coverage and best practices, and has contributed backend features—like recurring invoices—to open-source Ruby on Rails projects. Comfortable in native team environments, he pairs an engineering degree in automatics with early industrial controls and PLC experience, giving him a systems-thinking edge uncommon in web-focused leaders. Known for steadily adopting new technologies, he brings a mix of practical product delivery and a habit of improving code quality across the stack.
12 years of coding experience
3 years of employment as a software developer
Bachelor's degree Estudios generales, Bachelor's degree Estudios generales at IPVCE LeninIngeniería en Automática Computer Engineering and Automatics, Ingeniería en Automática Computer Engineering and Automatics at Instituto Superior Politécnico Jose Antonio Echverría
Spanish, English, French
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (12)
activerecord10
rails10
back-end-development10
ruby-on-rails10
crud10
database-design9
invoice9
model-view-controller9
html8
erb8
coffeescript5
javascript4
Programming languages (6)
Github contributions (5)
siwapp/siwapp-ror
Feb 2015 - Dec 2016
Online Invoice Management in Ruby On Rails.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:53 commits, 3 PRs, 19 pushes in 1 year 11 months
Contributions summary:Sergio primarily contributed to the implementation of recurring invoice functionality within the Ruby on Rails application. Their work includes creating controllers, models, views, and routes for recurring invoices, along with associated database schema changes. They also added features such as item forms, calculations, and bulk operations, alongside integrating search capabilities, and added features to limit generated invoices.
ruby-on-railsherokuinvoice-pdfinvoicing-applicationrails
serguitus/bookings
May 2017 - Mar 2024
A basic Accounting system for a bookings company
Contributions:7 PRs, 605 pushes, 9 branches in 7 years
spring-bootaccountingmysqlbookingsaccounting-system
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