Rafael Cuéllar
Senior Software Engineer at Abastores
Alcalá de Henares, Community of Madrid, Spain
Summary
🤩
Rockstar🎓
Top SchoolRafael Cuéllar is a senior software engineer and CTO with eight years of hands-on experience building scalable, performance-focused systems across e-commerce, SaaS, and CDN infrastructure. He combines full-stack expertise in Python/Django and modern JavaScript frameworks with cloud-native practices (Docker, Kubernetes, Terraform) to lead migrations, microservices, and AI-enabled analytics projects. Rafael has driven product and technical strategy at startups and scale-ups, balancing speed, security, and user experience while mentoring small engineering teams. Notably, he has applied data science to predict CDN load and led ELK migrations and performance optimizations—demonstrating a pragmatic blend of engineering depth and operational savvy. Based in Alcalá de Henares, Spain, he thrives where technology meets business impact, turning complex requirements into production-grade solutions.
8 years of coding experience
4 years of employment as a software developer
Software Engineer - Software Development IT, Software Engineer - Software Development IT at Erhvervsakademi SydVest (Business Academy South West)Certificate of Higher Education in Multi-Platform Application Development IT, Certificate of Higher Education in Multi-Platform Application Development IT at IES Alonso de AvellanedaGeneral Certificate of Education in Scientific - Technological Studies Technological-Scientist, General Certificate of Education in Scientific - Technological Studies Technological-Scientist at IES Isidra de Guzmán
English, Spanish
Stackoverflow
825reputation
34kreached
28answers
0questions
Github Skills (91)
python10
html-editor10
test-fixtures10
algorithm10
factory10
sqlalchemy10
data-structures10
sorting-algorithms10
bbcode9
django9
testing9
ckeditor9
wysiwyg9
rte9
contenteditable9
Programming languages (9)
Github contributions (5)
rafagarciac/MyWebApp
Jun 2018 - Oct 2018
MPWA Project (My Personal Web Application) 🔗 🌐 made with Django🌵🐍
Contributions:47 commits, 6 PRs, 40 pushes in 4 months
reactmpwadjangojavascriptweb-application
manologariza/GaleriaImagenesClase
Oct 2017 - Oct 2022
Contributions:2 PRs in 5 years
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