Joel Costa
Senior Software Engineer At Sotheby's at Freelance
Porto, Porto, Portugal
Summary
👤
Senior🎓
Top SchoolJoel Costa is a senior software engineer based in Porto with 13 years of experience building high‑scale web APIs, web and mobile apps, currently engineering at Sotheby's. He has deep expertise in Go, Node.js, AWS microservices (SNS, SQS, S3, DynamoDB, API Gateway) and has led teams delivering systems that handled events like Super Bowl traffic peaks (3.4M users/min). Equally comfortable architecting backend services and shipping native mobile experiences, he has a history of technical leadership at Fox and hands‑on product work as a freelancer and head of mobile. Joel combines practical engineering with creative problem solving—having built everything from ERP integrations and 3D CAD document generation to cross‑platform mobile MVPs—while remaining bilingual and product-minded.
13 years of coding experience
15 years of employment as a software developer
Engineer’s Degree, Engineer’s Degree at Universidade da Beira InteriorMaster’s Degree, Master’s Degree at Universidade 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 (78)
logentries10
uitableview10
tvos10
cocoalumberjack10
watchos10
logger10
react-native-library10
logging10
qt9
keyboard-shortcuts9
swift9
cocoa-touch9
ios9
mermaid9
objective-c9
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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