Li Jeow
Chief Technology Officer, Co-founder at PBrain
Singapore, Singapore
Summary
🤩
Rockstar🎓
Top SchoolLi Jeow is a pragmatic technology leader and co-founder serving as CTO of PBrain, where he has built a generative-AI-enabled customer servicing platform that cuts client email workload by ~70% and delivers multilingual, multimedia chatbot experiences. With 11+ years of hands-on experience across full-stack web, mobile and cloud infrastructure, he combines product-focused engineering with secure, scalable deployments using IaC (Terraform, Packer, Ansible), containerization and clustered services on AWS. He has led cross-border teams to deliver high-availability government and enterprise learning platforms and won multi-million tenders by translating security and operational needs into robust architectures. An active open-source contributor, Li has improved core React/Redux tooling and added high-quality TypeScript definitions to DefinitelyTyped, demonstrating attention to performance and developer ergonomics. He pairs a strong academic background in computer science and computational intelligence with entrepreneurial grit from founding multiple web businesses. Colleagues describe him as a builder who moves quickly from prototype to production while keeping systems secure and maintainable.
11 years of coding experience
9 years of employment as a software developer
Bachelor of Business (BBus) IT, Bachelor of Business (BBus) IT at Nanyang Business SchoolVictoria Junior CollegeBachelor of Engineering (BEng) Computer Science, Bachelor of Engineering (BEng) Computer Science at Nanyang Technological University Singapore
English, Chinese
Stackoverflow
3,788reputation
542kreached
95answers
16questions
ldap
top-5%
active-directory
top-5%
Github Skills (27)
javascript10
typesc10
typescript10
typescript-definitions10
type-definition10
redux10
redux-form10
type-system10
performance-optimization10
form-validation10
typescript-types10
typescripts10
react10
ldap9
forms9
Programming languages (13)
Github contributions (5)
DefinitelyTyped/DefinitelyTyped
Jun 2018 - Sep 2019
The repository for high quality TypeScript type definitions.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:9 reviews, 15 commits, 12 PRs in 1 year 3 months
Contributions summary:Li primarily contributed to the `definitelytyped/definitelytyped` repository by adding TypeScript type definitions for various JavaScript libraries and plugins. Their work focused on ensuring accurate type information for libraries like `@lingui/macro`, `webpack-subresource-integrity`, and several PostCSS plugins. The user also provided test cases to validate the type definitions, enhancing the overall quality and usability of the type definitions within the TypeScript ecosystem.
typescript-definitionstype-definitionshigh-qualitydtsdefinitions
redux-form/redux-form
Sep 2016 - Jan 2017
A Higher Order Component using react-redux to keep form state in a Redux store
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:9 commits, 10 PRs, 77 comments in 4 months
Contributions summary:Li primarily focused on optimizing and refactoring core components within the `redux-form` library. Their work included significant performance improvements by rewriting key functions such as `getInPath` and `setIn` for speed enhancements. Furthermore, the user refactored existing code by reusing connected components to prevent state recreation and also addressed a bug in how field arrays were handled. They also made breaking changes to the API to remain consistent with existing components.
reactkeepredux-formvalidationform-state
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