Charles Li Email & Phone Number

Recent graduate from Rutgers University with a degree in Computer Science. Stays informed on the latest in computer hardware and semiconductor technology. Looks forward to innovations in computing performance for the masses.

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  Software Developer

  Classlink

  Sep 2022 - Present

  • Continually maintain software, extend functionality, and resolve defects in ClassLink authentication services to ensure stability across 21 million unique logins per day• Regularly audit code for implementation oversights, security vulnerabilities, performance optimizations, and software maintainability to meet product requirements and achieve code quality standards• Typescript | Angular | Node.js | Javascript | HTML | CSSAuthentication• Developed Angular SPA for ClassLink's Login Page supporting Active Directory, ADFS, Google, and Email identity providers with MFA integration to replace legacy jQuery implementation for greater fault tolerance, quicker application responsiveness, and clearer error communication• Led refactor of ClassLink OAuth2 API with PKCE to enhance security during client authorization and align API behavior with standardized OAuth2 protocol, improving ClassLink SSO integration and developer experience for vendors• Implemented frontend experience for account claiming system featuring multi-step UI with security question authentication, custom terms of service display, and password reset process, permitting users to obtain credentials for their newly-provisioned accounts• Architected scalable and consumer-agnostic Multi-Factor Authentication system, introducing consistent MFA API consumption and UX across ClassLink web and mobile applications implementing SSO• Integrated MFA through Duo Universal API with backwards compatibility to transition over 100,000 users from deprecated Duo Traditional API

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  Rutgers University–New Brunswick

  Computer Science