Guillermo Portas
Co-Founder & CTO at Elitenics
Santa Cruz de Tenerife, Spain
Summary
🤩
Rockstar🎓
Top SchoolGuillermo Portas is a pragmatic technology leader and Co-Founder & CTO with eight years of experience building production-grade web and mobile systems from idea to scale. Based in Santa Cruz de Tenerife, he leads Elitenics to help personal trainers grow their businesses while reducing operational overhead, combining product intuition with hands-on engineering. His background spans frontend re-architecture (React SPAs), API and authentication redesign, and resilient backend services including REST APIs and distributed task coordination developed in Python. Guillermo has led teams at research and enterprise organizations—driving containerization, CI/CD, and cloud-native practices at places like Harvard Library, IQSS, Santander and Bluetab—bringing startup speed to mission-critical systems. He co-founded two startups and is comfortable shifting between architect, implementer, and operator roles, with a particular knack for turning complex integrations into maintainable platforms. Trained in software and Android engineering at Universidad Politécnica de Madrid, he mixes product-driven engineering with a devotion to quality and automation.
8 years of coding experience
9 years of employment as a software developer
Software Engineering, Computer Software Engineering, Software Engineering, Computer Software Engineering at Universidad Politécnica de Madrid
Spanish, English
Github Skills (13)
data-repository10
open-source10
creative-commons10
dataverse9
javascript8
typescript7
dlq4
api3
python3
aws2
aws-s32
data-transfer2
dropbox1
Programming languages (4)
Github contributions (5)
GPortas/dataverse
Sep 2022 - Aug 2023
Open source research data repository software
Contributions:169 pushes, 21 branches in 11 months
research-datawpsdata-repositorydata-managementresearch-data-repository
GPortas/PaymentKeyboards
Oct 2017 - Nov 2017
Contributions:25 commits, 27 pushes, 6 branches in 19 days
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