Alejandro Guillén
ComplAlim at beta.gouv.fr
Lyon, Auvergne-Rhône-Alpes, France
Summary
🤩
Rockstar🎓
Top SchoolAlejandro Guillén is a full-stack software engineer with 11 years of experience building user-focused products and distributed systems from Lyon, France. He currently contributes to multiple missions at beta.gouv.fr, blending rapid public-sector product delivery with pragmatic engineering practices. Trained in distributed systems at Télécom Paris and with a background spanning R&D management, CTO duties, and consulting, he moves comfortably between architecture, implementation and team leadership. Alejandro is also an active open-source contributor—he built core functionality and effects for the Pizzicato Web Audio library—showing a knack for creative, media-rich frontend features as well as backend robustness. Colleagues value him for turning complex requirements into practical solutions while keeping user experience front and center.
11 years of coding experience
8 years of employment as a software developer
Engineer's degree Information Technology, Engineer's degree Information Technology at Tecnológico de MonterreyMaster of Science (M.Sc.) Network Computer Systems / Distributed Systems, Master of Science (M.Sc.) Network Computer Systems / Distributed Systems at Télécom Paris
Spanish, English, French, Italian
Stackoverflow
3,636reputation
388kreached
68answers
7questions
flask
top-5%
python
top-5%
Github Skills (16)
javascript10
web-audio-api10
flask9
python9
gulp9
jasmine8
jtest8
build-automation7
html6
unit-testing6
ios6
nodejs6
cherrypy6
jquery6
front-end-development6
Programming languages (13)
Github contributions (5)
alemangui/pizzicato
Feb 2015 - Mar 2020
Library to simplify the way you create and manipulate sounds with the Web Audio API.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:18 releases, 1 review, 299 commits in 5 years 2 months
Contributions summary:Alejandro's contributions primarily centered around building and integrating the core functionality of the Pizzicato library, a JavaScript library for audio manipulation. They were involved in the initial scaffolding and testing framework setup, laying the foundation for the project. The user then focused on adding core sound functionality, including loading, playing, and pausing audio samples. They also implemented key features such as a volume control and the creation of a delay effect.
web-audio-apijavascriptsoundaudio
alemangui/beta.gouv.fr
May 2019 - May 2025
Le site public de l'Incubateur de Services Numériques de l'État français.
Contributions:50 PRs, 7 pushes in 6 years
numaistat
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