João Cercal
Staff Software Engineer at LastPass
Coimbra, Coimbra, Portugal
Summary
👤
Senior🎓
Top SchoolJoão Cercal is a Staff Software Engineer with 12 years of experience building scalable, event-driven e-commerce and security systems that serve millions of users. He has led architecture and backend initiatives at companies like LastPass, Spectrm, GetYourGuide and FlixBus, delivering measurable improvements such as significant conversion lifts and major latency reductions. Comfortable across languages and stacks (PHP, Go, Java) and cloud environments, he pairs pragmatic engineering with strong mentorship, introducing practices like ADRs, testing containers, and post-mortems to raise team quality. Recognized early as a top student, João blends hands-on delivery with technical leadership and a knack for simplifying complex domains—skills honed while optimizing high-traffic platforms and migrating monoliths to microservices. Based in Coimbra, Portugal, he balances a deep product focus with a personal commitment to doing work that feels like play as a father of two.
12 years of coding experience
14 years of employment as a software developer
Bacharelado em Sistemas de Informação Information Technology, Bacharelado em Sistemas de Informação Information Technology at UniSociesc Centro Universitário
Portuguese, English, Spanish
Stackoverflow
763reputation
583kreached
19answers
3questions
image
top-5%
Github Skills (126)
authentication10
php-library10
trackpad10
oauth-client10
dotenv10
laravel10
api10
environment-variables10
bluetooth-hid10
php10
driver10
touchpad10
oauth10
hid9
shiny9
Programming languages (9)
Github contributions (5)
jpcercal/silex-scaffolding
Aug 2015 - Oct 2015
Contributions:72 commits, 50 pushes, 6 branches in 2 months
jpcercal/environment
May 2015 - May 2016
A simple library (with all methods covered by php unit tests) to increase the power of your environment variables.
Contributions:81 commits, 5 PRs, 43 pushes in 1 year
environment-variablesphpphp-unitunitunit-tests
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