Mário Nzualo
Software Engineer at Duna
Lisbon, Portugal
Summary
👤
Senior🎓
Top SchoolMário Nzualo is a seasoned software engineer with 17 years building scalable, customer-focused web platforms, currently contributing to Duna from Lisbon. He specializes in end-to-end backend work—particularly Ruby on Rails—and has led tech and scaling efforts at Stripe, Airbnb and HotelTonight, including database partitioning, custom schedulers and launching Stripe Tax as an early team member. Comfortable across the full stack, he pairs pragmatic product delivery with infrastructure skills in AWS, Docker, Terraform, Kafka and both SQL and NoSQL stores. His MSc in Telecommunications and international extracurricular leadership experience underpin strong project management and cross-cultural collaboration abilities. A pragmatic problem-solver, he often prefers solving operational bottlenecks and incident mitigation as much as feature development.
17 years of coding experience
10 years of employment as a software developer
Elementary Preparatory High School, Elementary Preparatory High School at Escola Portuguesa de MoçambiqueTechnical University of DenmarkMaster Degree Telecommunications and Informatics Engineering, Master Degree Telecommunications and Informatics Engineering at Instituto Superior Técnico
Portuguese, English, French
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (88)
shell9
ipfs9
zsh9
sidekiq8
factories8
deprecated8
rails-app8
testing7
test-kitchen7
ruby7
ruby-client7
rails-generators7
rubygems7
capybara7
modernizr7
Programming languages (8)
Github contributions (5)
marionzualo/gfaa
Feb 2015 - May 2015
Contributions:24 commits, 2 PRs, 15 pushes in 3 months
greatadvice
marionzualo/guides
Jan 2016 - Jan 2016
Contributions:10 commits, 8 pushes, 1 branch in 6 days
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