Pere Calaf
Senior Software Engineer at Loyal Guru
Barcelona, Catalonia, Spain
Summary
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Rockstar🎓
Top SchoolPere Calaf is a Senior Software Engineer based in Barcelona with 11 years of experience building high-performance Ruby on Rails applications, APIs, and microservices for both startups and enterprises. He has a strong track record migrating legacy systems to cloud-native architectures and running end-to-end SaaS product development, from data modeling to deployment on AWS. Pere has led cross-functional teams and mentored developers while driving measurable reliability and scalability improvements in production systems. His background includes rapid-growth back-end work (scaling a social betting platform from 30K to 2.5M users) and hands-on experience with both PHP-to-Laravel migrations and Rails modernization projects. Comfortable switching between strategic architecture and day-to-day coding, he combines academic training in computer science with practical entrepreneurship experience from an accelerator program. Colleagues describe him as a pragmatic problem-solver who focuses on delivering business impact through robust, maintainable software.
11 years of coding experience
9 years of employment as a software developer
Engineer's degree Computer Science, Engineer's degree Computer Science at Leipzig UniversityUPC Universitat Politècnica de Catalunya
English, German, Spanish, Catalan
Stackoverflow
2,894reputation
1.4mreached
62answers
2questions
php
top-5%
timestamp
top-5%
laravel
top-5%
Github Skills (200)
spotify10
ecosystem10
html10
airplay10
laravel-package10
summernote10
php10
role-based10
oauth10
ruby10
activerecord10
cancancan10
audio10
audio-device10
voyager10
Programming languages (14)
Github contributions (5)
pjmartorell/pjmartorell
Apr 2021 - Dec 2024
Contributions:38 pushes, 1 branch in 3 years 9 months
pjmartorell/ketuformacion
Aug 2023 - Jan 2025
Contributions:2 PRs, 52 pushes, 5 branches in 1 year 4 months
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