Wilhelm Hetmann
Principal Mobile Systems Engineer (React-Native)
Cluj-Napoca, Romania
Summary
🤩
Rockstar🎓
Top SchoolWilhelm Hetmann is a Principal Mobile Systems Engineer with 11 years of experience designing mobile-first, backend-driven systems that operate reliably under real-world constraints like unreliable connectivity, high load, and strict audit requirements. Based in Cluj-Napoca, Romania, he specializes in offline-first mobile architectures and re-architecting legacy codebases for long-term maintainability in regulated and field-based environments such as healthcare and laboratories. He treats mobile apps as controlled extensions of critical backend workflows rather than standalone products, emphasizing data consistency, fault tolerance, and auditable operations. As creator of react-ui-kit and contributor to the popular Galio React Native framework, he blends deep front-end component craftsmanship with system-level integration across iOS and Android. Wilhelm’s background in financial management and IT gives him a pragmatic, process-oriented approach to replacing paper and Excel workflows with dependable digital systems. He focuses on long-term technical ownership—stabilizing operations rather than shipping one-off features.
11 years of coding experience
11 years of employment as a software developer
High School Mathematics and Computer Science, High School Mathematics and Computer Science at Henri Coanda, CraiovaMaster’s Degree Financial Management and Audit of EU Structural Funds, Master’s Degree Financial Management and Audit of EU Structural Funds at Babes-Bolyai University
English, German, Italian, French, Romanian
Stackoverflow
11reputation
66reached
0answers
1question
Github Skills (12)
component-development10
uid10
javascript10
react-native10
mobile-development10
front-end-development10
ui-design10
react9
styles9
css9
react-native-ios9
redux8
Programming languages (10)
Github contributions (5)
react-ui-kit/dribbble2react
Jan 2019 - Jun 2021
Transform Dribbble designs to React-Native code | Shop UI Kit >>
Role in this project:
Front-end Developer
Front-end DeveloperContributions:73 commits, 53 PRs, 73 pushes in 2 years 5 months
Contributions summary:Wilhelm appears to be a front-end developer, primarily focused on building the user interface for a React Native application. Their commits show significant work on the `Settings` and `Campings` screens within the `react-ui-kit/dribbble2react` repository, including implementation of filtering options, UI components (like switches and buttons), and the layout of the screen. Furthermore, they implemented and customized components for a "Camping App" and "Velocity" projects, indicating a focus on UI/UX and front-end functionality.
reactnative-codetransformreact-nativedesigns
galio-org/galio
Sep 2018 - Nov 2018
Galio is a beautifully designed, Free and Open Source React Native Framework
Role in this project:Front-end Developer
Front-end DeveloperContributions:100 commits, 33 PRs, 73 pushes in 2 months
Contributions summary:Wilhelm primarily contributed to the development of UI components and features within the React Native framework. Their work focused on enhancing the button component by adding new props for text transformation, adding an activity indicator for loading states, and incorporating the opacity feature. They also added new components like Icon, updated existing screens, and refactored components based on design feedback, demonstrating a strong focus on UI development and component customization.
react-sourceiosmobilejavascriptgalio
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.