João Fernandes
Software Engineer II at QuintoAndar
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolJoão Fernandes is a Software Engineer II based in São Paulo with eight years of experience and a Computer Science degree from Universidade Federal de Goiás, specializing in front-end development with React, Next.js and SolidJS. He has a track record of delivering high-impact optimizations—most notably reducing Google Places API costs by over 90% through lifecycle tuning and caching, and cutting end-to-end test time by 87.5% via Dockerization and parallelization. At Loggi he helped build a company-wide Design System and authored a production-simulating developer tool adopted across front-end teams, showing both product sensibility and operational craftsmanship. Comfortable leading cross-border technical integrations, he has coordinated directly with engineering teams in Europe and the USA to adapt uncommon application architectures. Known as a clear communicator and pragmatic problem solver, he balances effort and results to prioritize practical, performant solutions. He recently achieved C2-level English certification, underscoring his readiness to collaborate internationally.
8 years of coding experience
5 years of employment as a software developer
Bachelor degree, Computer Science, Bachelor degree, Computer Science at Universidade Federal de Goiás
Portuguese, English
Stackoverflow
366reputation
87kreached
15answers
2questions
Github Skills (200)
displays10
ubuntu10
spotify10
airplay10
teensy10
monitors10
vpn-server10
stratum10
spotify-api10
miner10
alsa10
vpn-client10
raspbian10
audio10
music10
Programming languages (14)
Github contributions (5)
jgabriel98/spotifypiHome
Jun 2020 - May 2022
"Install and go" multiroom music playback solution, with support for spotify, airplay and bluetooth.
Contributions:5 releases, 81 commits, 11 PRs in 1 year 11 months
raspberry-piairplaybluetoothspotifymultiroom
EcoComp-UFG/EcoSimulation
Aug 2018 - Aug 2019
Contributions:167 pushes, 2 branches, 3 comments in 1 year
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