Cristian Penarrieta
Senior Software Engineer at Northeastern University
Vancouver, British Columbia, Canada
Summary
👤
Senior🎓
Top SchoolCristian Penarrieta is a senior software engineer based in Vancouver with over a decade of hands-on experience building and improving customer-facing web and mobile products, currently shaping growth funnel optimization at Gusto. He blends frontend React/React Native expertise with backend services experience (Node.js, Java, Redis) and a strong emphasis on test automation, having contributed meaningful test coverage to well-known projects like react-native-elements and Jest. An educator as well as practitioner, he teaches web development and software engineering to master's students at Northeastern University, signaling a talent for translating complex concepts to others. His background spans startups to large enterprises (EA, PwC) and includes advanced training from Hack Reactor and a Master’s focus on dependable software systems at UBC. Notably, he often operates at the intersection of reliability and UX—improving developer confidence through rigorous testing while shipping polished interfaces.
10 years of coding experience
9 years of employment as a software developer
SCRUM and Agile Methodologies, SCRUM and Agile Methodologies at Open Edge Technologiesbachelor, software engineering, bachelor, software engineering at Universidad Peruana de Ciencias AplicadasAdvanced Software Engineering Immersive, Advanced Software Engineering Immersive at Hack ReactorMaster’s Degree, Computer Software Engineering, Master of Engineering in Dependable Software Systems, Master’s Degree, Computer Software Engineering, Master of Engineering in Dependable Software Systems at The University of British ColumbiaAndroid Mobile Application Developer, Android Mobile Application Developer at Cibertec
Spanish, English
Stackoverflow
331reputation
17kreached
10answers
0questions
Github Skills (20)
uitest10
javascript10
react-native10
testing10
mobile-application10
component-testing10
jestjs10
snapshot-testing10
enzyme10
ui-testing10
ui-design9
react9
immutablejs8
html6
lodash6
Programming languages (7)
Github contributions (5)
react-native-elements/react-native-elements
Apr 2017 - Apr 2017
Cross-Platform React Native UI Toolkit
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:26 commits, 3 PRs, 13 comments in 3 days
Contributions summary:Cristian primarily focused on adding and updating tests for various React Native UI components within the `react-native-elements` repository. Their contributions included writing tests for components like `Divider`, `Badge`, `Avatar`, `ButtonGroup`, `CheckBox`, `Card`, `Form`, `Grid`, `Icon`, `Search`, `List`, `PricingCard`, `Slider`, `SocialIcon`, `Text`, and `Tile`. The user's work significantly improved the test coverage of the project, ensuring the reliability and functionality of the UI library.
reactreact-native-uireact-nativeandroidmobile-app
jestjs/jest
Feb 2017 - Jun 2017
Delightful JavaScript Testing.
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:6 commits, 7 PRs, 25 comments in 3 months
Contributions summary:Cristian primarily contributed to improving the test coverage and functionality within the Jest testing framework. Their commits focused on adding and refining tests for various functionalities, including Immutable.js plugins and different data structures, as well as addressing error messages and ensuring accurate comparisons. They also updated and added tests related to formatting and stringifying outputs of different types.
painless-javascript-testingjesttestingjavascriptfacebook
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