Jeff Sieu
Software Engineer at RSAF Agile innovation Digital
Singapore
Summary
🤩
Rockstar🎓
Top SchoolJeff Sieu is a software engineer based in Singapore with 11 years of hands-on experience building user-focused frontends and full-stack features for high-impact products. He has shipped React-driven dashboards and developer tools at scale—most recently for TikTok Shop’s global e-commerce platform—and rebuilt critical visualization tooling for NUS’s Source Academy, converting complex JS visualizers into TypeScript and adding stepper-driven multi-structure views. Comfortable across UI design (Figma), component libraries, Storybook, and backend integrations, he has improved UX in file managers, interview-prep sites, and defense scheduling systems. Jeff blends academic rigor from NUS Computer Science with practical open-source contributions, often tackling subtle state/caching bugs and keyboard interaction polish that noticeably improve developer and user workflows.
11 years of coding experience
1 year of employment as a software developer
Sustainability, Interpersonal Communication, Sustainability, Interpersonal Communication at Ridge View Residential College4.4, 4.4 at NUS High School of Mathematics & ScienceBachelor of Computing (Honours) in Computer Science, Computer Science, 4.89, Bachelor of Computing (Honours) in Computer Science, Computer Science, 4.89 at National University of Singapore
Github Skills (30)
trpc10
javascript10
xaml10
windows10
typescript10
winui10
file-manager10
typescript-types10
dotnet-core10
fluent-design10
typescripts10
frontend10
csharp10
react10
ui-designer9
Programming languages (16)
Github contributions (5)
yangshun/tech-interview-handbook
Oct 2022 - Nov 2022
💯 Curated coding interview preparation materials for busy software engineers
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:10 reviews, 47 commits, 65 PRs in 1 month
Contributions summary:Jeff contributed to both the front-end and back-end of the project. They implemented new UI components, such as a collapsible component, and integrated backend functionality, including question and answer management and voting systems. The user also added features to the question browsing and listing pages, while also updating the about page with team member information.
preparationbusybehavioral-interviewsalgorithm-interview-questionsengineers
files-community/Files
Oct 2019 - Oct 2020
A modern file manager that helps users organize their files and folders.
Role in this project:Front-end Developer
Front-end DeveloperContributions:3 reviews, 21 commits, 24 PRs in 11 months
Contributions summary:Jeff focused on enhancing the user interface and user interaction within the file manager application. They added new file/folder creation buttons, implemented inline renaming functionality for both file and folder names, and introduced the ability to open multiple files and folders simultaneously. The user also implemented sorting functionality, allowing files to be sorted by different criteria and added code to handle keybindings to open items via the enter key.
good-first-issuedeveloper-toolsadministratorwindows-10windows-11
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