Citibank Web Application

Web Application

🧩 Project Overview

As a contractor with Citibank, I contributed in modernizing a large-scale, customer-facing digital banking platform by helping transition their legacy-stack web application to a next-generation, modular architecture. This platform serves millions of North American users, supporting both English and Spanish interfaces.

💼 Role & Tech Stack

Frontend Engineer for login, MFA, and credential modules, ensuring secure, seamless login and session flows aligned with financial-grade standards.
UI/UX contributor for accessible and scalable interface design, implementing accessibility best practices (WCAG 2.1) to make key workflows fully navigable by screen readers and assistive technologies.
Collaborated closely with cross-functional teams (frontend, QA, backend) in an agile environment to meet tight regulatory and delivery deadlines.

Angular · TypeScript · Express.js · Sass · OAuth 2.0 · Jira · Bitbucket · SAML · Adobe Analytics · Splunk

Outcomes

Gained hands-on experience with enterprise-grade authentication protocols, including OAuth 2.0, PKCE, and SAML in a regulated financial environment.
Developed a deeper understanding of accessibility standards (WCAG 2.1 AA) and how they are applied in large-scale, customer-facing platforms.
Strengthened my ability to collaborate across globally distributed teams and navigate cross-functional decision-making in an agile setting.
Learned to design and build within a micro-frontend architecture for scalable and maintainable development.
Improved fluency in secure coding practices through regular SAST/DAST remediation and OWASP-aligned implementation.
Gained exposure to analytics-driven design decisions through tools like Adobe Analytics and SiteCatalyst.
Enhanced my prototyping and UX testing workflow by working closely with designers, researchers, and stakeholders in high-stakes environments.
Experienced the importance of localization and bilingual UX, delivering consistent experiences across languages and regions.