Rafael Sienna
Director Of Engineering at Wellhub
Oeiras, Lisbon, Portugal
Summary
👤
Senior🎓
Top SchoolRafael Sienna is a director of engineering based in Oeiras, Lisbon with 11 years of hands-on experience building and leading backend teams across Java, Go, Kotlin and Node.js environments. He has a strong track record of defining architectures and taking projects from inception to production—often for mission-critical systems at banks and enterprise customers—while coaching teams to improve quality and delivery. Comfortable both coding and negotiating architecture decisions with stakeholders, he has led multiple teams of 6–16 engineers and driven platform evolution, observability and error-rate improvements. A student of functional programming and distributed systems architecture, Rafael blends pragmatic engineering with agile practices and continuous delivery. Unusually, his roots include long-term delivery on Genexus and legacy integrations, which gives him breadth in modernizing older ecosystems as well as building cloud-native services.
11 years of coding experience
24 years of employment as a software developer
Ensino Fundamental 8 série, Ensino Fundamental 8 série at Objetivo de BatataisEducação infantil e fundamental, Educação infantil e fundamental at SESI BatataisBacharelado Systems Analysis, Bacharelado Systems Analysis at Universidade de Ribeirão PretoEnsino médio, Ensino médio at Escola de Comércio de Batatais
Portuguese, English, Spanish
Stackoverflow
29reputation
0reached
1answer
0questions
Github Skills (32)
storage8
javascript7
aws-s37
aws7
react7
immutability6
nodejs6
aws-amplify6
amplify6
react-native6
casperjs5
analytics5
barrage5
typescript5
aws-apigateway4
Programming languages (4)
Github contributions (5)
codenation-dev/squad-5-aceleradev-fs-online-1
May 2019 - Jun 2019
Contributions:54 commits, 13 PRs, 42 pushes in 1 month
rmsphd/corridateste
Jun 2019 - Apr 2024
Resultado da corrida
Contributions:4 PRs, 9 pushes, 3 branches in 4 years 11 months
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