Alejandro Fontán
Software Engineer II at Datadog
Madrid, Community of Madrid, Spain
Summary
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Rockstar🎓
Top SchoolAlejandro Fontán is a software engineer with 10 years of experience building scalable platform and fintech systems, currently at Datadog after key platform roles at Glovo and Mercado Libre. He combines full-stack fluency (Java/Kotlin, React/Vue, AWS/GCP, MySQL/Redis) with deep platform experience running thousands of daily deployments and redesigning Order-to-Cash architectures to improve scalability and flexibility. Alejandro has a strong mentoring and teaching streak—he’s taught algorithms and data structures at university level and has led internal developer enablement like Backstage enhancements and cross-company libraries. He co-founded a startup where he defined architectures for client projects, showing entrepreneurial instincts alongside enterprise delivery. Known for a daily curiosity to learn and teach, he also brings practical experience integrating complex third-party systems in healthcare and financial contexts. Based in Madrid, he pairs hands-on engineering with product sensibility to turn complex requirements into reliable, scalable solutions.
10 years of coding experience
10 years of employment as a software developer
Bachelor of Science (BS), Bachelor of Science (BS) at Instituto Federico BrandsenMaestría en ingeniería de software, Computer Science, Maestría en ingeniería de software, Computer Science at Facultad de Informática within Universidad Nacional de La Plata
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (13)
datadog10
hugo10
documentation10
jenkins-plugin9
dd8
integrations8
blockchain-network7
blockchain7
peer6
continuous-integration6
python5
proxy5
cloud-native2
Programming languages (6)
Github contributions (5)
afontan/svc-hello-app
May 2026 - May 2026
Contributions:432 pushes, 2 branches in 10 days
afontan/leet-code
Jun 2022 - Oct 2025
Contributions:28 pushes in 3 years 3 months
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