Joel Costa
Senior Software Engineer At Sotheby's at Freelance
Porto, Porto, Portugal
Summary
👤
Senior🎓
Top SchoolJoel Costa is a Senior Software Engineer at Sotheby's with over 12 years of experience designing and delivering scalable web APIs, web apps, and mobile solutions. Based in Porto, Portugal, he blends hands-on coding with architectural leadership across Go, Node.js, PHP and AWS-driven microservices, and is fluent in English and Portuguese. At Sotheby's via X-Team, he helped design high-demand APIs used across websites and internal tools, including supporting 3.4 million simultaneous users during Super Bowl LIV. He has led major architectural migrations, such as moving from a Node.js monorepo to a Go polyrepo to improve availability, scalability, and reliability. He has steered cross-functional teams (up to 5 developers) as a Technical Lead and Head of Mobile on various projects, from iOS/Android apps to backend services, with a track record of delivering MVPs and production-grade systems. He brings a pragmatic, product-focused mindset with a history of turning complex requirements into robust, scalable software.
12 years of coding experience
15 years of employment as a software developer
Engineer’s Degree, Engineer’s Degree at Universidade da Beira InteriorUniversidade do Porto
English, Spanish, Portuguese
Stackoverflow
7,532reputation
866kreached
23answers
1question
xcode
top-5%
uitableview
top-1%
keyboard-shortcuts
top-5%
android-studio
top-5%
cocoa-touch
top-5%
qt
top-5%
Github Skills (81)
logentries10
uitableview10
tvos10
cocoalumberjack10
watchos10
logger10
react-native-library10
logging10
qt9
keyboard-shortcuts9
swift9
cocoa-touch9
diagrams9
ios9
mermaid9
Programming languages (9)
Github contributions (5)
joelrfcosta/react-native-logentries
Nov 2016 - Aug 2019
Logentries React Native library
Contributions:28 commits, 6 PRs, 26 pushes in 2 years 10 months
reactreact-native-libraryreact-nativeandroidlogentries
ariok/BWCircularSlider
Nov 2015 - Oct 2018
This is the code for the ThinkAndBuild tutorial: "How to build custom controls in Swift"
Contributions:2 PRs, 1 comment in 2 years 11 months
swiftioscustom-controlsswiftui
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