Francesc Rosas
Director Software Engineering Contractor at Functio Ltd
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolFrancesc Rosas is a Director-level software engineering contractor with over 15 years of hands-on experience building and improving full-stack systems across startups and large enterprises. He specializes in TypeScript, Node.js, React and AWS, delivering maintainable, testable products while also driving CI/CD, observability and architecture modernizations. Francesc has repeatedly led migrations from monoliths to cloud-native microservices and strengthened testing infrastructures—most recently improving test coverage and error messaging for CodeYourFuture’s JavaScript exercises. Comfortable alternating between coding, mentoring and technical leadership, he brings a pragmatic focus on scalability, reliability and developer experience. Based in London, he combines consulting agility with enterprise-grade practices and a long track record of turning operational pain points into repeatable processes.
15 years of coding experience
18 years of employment as a software developer
Cicle Formatiu de Grau Superior en Desenvolupament d'Aplicacions Informàtiques (Associate Degree) Computer Software Engineering, Cicle Formatiu de Grau Superior en Desenvolupament d'Aplicacions Informàtiques (Associate Degree) Computer Software Engineering at EducemUPC Universitat Politècnica de Catalunya
Catalan, Spanish, English
Stackoverflow
5,985reputation
548kreached
15answers
0questions
design-patterns
top-5%
npm
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php
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twig
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http
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symfony
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Github Skills (21)
javascript10
testing10
forms10
symfony10
assert10
twig10
test-automation10
npm9
data-manipulation9
http9
php9
heroku9
nodejs9
design-patterns9
spinnaker6
Programming languages (15)
Github contributions (5)
CodeYourFuture/js-exercises
Mar 2020 - Apr 2020
JavaScript exercises for CodeYourFuture students
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:15 commits, 12 PRs, 83 comments in 1 month
Contributions summary:Francesc primarily focused on enhancing the testing infrastructure within the JavaScript exercises repository. They modified existing test functions, improved error messaging, and ensured that tests correctly assessed array comparisons. Additionally, the user addressed issues related to undefined variables and numerical sorting, contributing to more robust and reliable tests. Their work involved refactoring and expanding test coverage, especially around the radio station exercise.
codeyourfuturejavascript-exercisesjavascript
frosas/frosas.net
Dec 2015 - Feb 2020
Contributions:36 pushes, 3 branches, 6 issues in 4 years 3 months
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