Dexx Van Der Mandele
Staff Engineer at Instant
United States
Summary
👤
Senior🎓
Top SchoolDexx Van Der Mandele is a Staff Engineer with over a decade of full-stack experience, specializing in Node.js, TypeScript, and React while also comfortable across Java/.NET microservices and modern frontend frameworks like Vue and Svelte. He has driven large-scale front-end transformations and automation efforts—authoring a Next.js messaging service used by tens of thousands daily and introducing API and E2E test suites that significantly sped releases. At Mendix he established the company’s first CI/CD test automation and later led teams and mentorship programs, and he continues to blend hands-on coding with technical leadership. An active contributor to the Habitica front-end, he focuses on UX improvements, component refactors, and responsive design, showing a knack for improving developer and user experiences simultaneously. Based in the United States, Dexx pairs pragmatic engineering with a history of coaching teams through complex migrations and quality improvements.
10 years of coding experience
15 years of employment as a software developer
VWO, VWO at Rijnlands Lyceum OegstgeestNone Chemistry, None Chemistry at Utrecht University
Dutch, English
Stackoverflow
21reputation
0reached
1answer
0questions
Github Skills (15)
html10
css10
javascript10
bit10
habits10
vue10
vue-jsx10
ui-design9
bootstra8
bootstrap8
nodejs7
express-ts7
json6
currency6
api-design6
Programming languages (6)
Github contributions (5)
HabitRPG/habitica
Mar 2018 - Jul 2018
A habit tracker app which treats your goals like a Role Playing Game.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:7 commits, 6 PRs, 56 comments in 4 months
Contributions summary:Dexx primarily contributed to the front-end of the Habitica application, focusing on improving the user interface and user experience. Their work includes implementing new UI components, modifying existing ones, and refactoring the design for better usability. This involved tasks such as adding new features to the avatar customization, cleaning up navigation elements, and enhancing the equipment and spell drawers. The user also worked on improving the visual presentation and responsiveness of various components.
trackerexpressvuereactjsrole
probaton/hab-o-tica
Mar 2019 - Apr 2024
Contributions:16 PRs, 79 pushes, 11 branches in 5 years 2 months
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