Guido Cecilio
Principal Software Engineer at Mastercard
Dublin, Dublin 1, Ireland
Summary
👤
Senior🎓
Top SchoolGuido Cecilio is a Principal Software Engineer with over 16 years of hands-on experience and more than 20 years in software architecture and development, currently shaping Open API services at Mastercard from Dublin. He specializes in designing high-performance, scalable web and cloud-native systems, with deep expertise in JavaScript runtimes, microservices, REST/Linked Data, and performance-driven loading and serving strategies. His background spans academia and industry—research roles at DERI and lecturing experience—bringing a methodical, research-informed approach to practical engineering problems. Guido is also a seasoned mentor who has coached full-stack students and led identity-management and real-time model-deployment initiatives at enterprise scale, revealing a rare blend of people leadership and low-level system design. Colleagues value his upbeat, open-minded style and ability to translate complex architectures into energizing, productive teams.
16 years of coding experience
11 years of employment as a software developer
Universidad Central "Marta Abreu" de Las Villas
English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (14)
timing3
perf3
router2
trace2
javascript2
stress-testing2
performance-tuning2
test-runner1
e2e-testing1
debug1
fluent-interface1
ui-components1
testing1
devtools1
Programming languages (5)
Github contributions (5)
guidocecilio/ci-m1-bootstrap-template
Aug 2020 - Jan 2023
Contributions:8 PRs, 9 pushes, 3 branches in 2 years 4 months
guidocecilio/neologism
Dec 2009 - Mar 2017
Contributions:204 commits, 1 push in 7 years 3 months
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