Tahsina Saosun

• Architected React components for redesigned holdings and positions page, collaborating with backend team to define API contract and contribute mock data for 100k+ active E*TRADE users
• Partnered with Product Managers and UX designers to evaluate component library options and recommend reusable design patterns, improving development velocity by establishing consistent UI standards
• Implemented responsive layouts ensuring cross-device compatibility for desktop, tablet, and mobile users

• Developed React features for Time and Sales view displaying real-time trade data and Calendar component for order tracking, serving 50k+ daily active traders with sub-second data refresh rates
• Debugged and resolved critical user experience issues across multiple application flows, reducing customer support tickets by 25% through proactive bug fixes and enhanced error handling
• Documented and refined code release processes for change management requests, establishing best practices adopted by 3 parallel development teams
• Conducted code reviews focusing on React best practices, TypeScript type safety, and performance optimization

• Resolved critical bugs affecting order submission and fulfillment for trade orders, ensuring 99.9% uptime for high-net-worth client transactions
• Recipient of Platform Stability recognition award for contributions to MSO Client Channels fleet in Wealth Management Technology department

• Collaborated with cross-functional teams and queried Splunk logs to detect and resolve anomalies in Markets & Research application views, reducing incident response time by 40%
• Debugged directly with international clients, Product Managers, and stakeholders to resolve display issues across devices and operating systems, ensuring responsive design for iOS, Android, Windows, and macOS platforms
• Led frontend migration from JavaScript/jQuery to Angular framework, modernizing application architecture for 20k+ high-net-worth users with improved performance and maintainability

• Championed web accessibility initiatives, implementing WCAG 2.1 AA compliance across Common Account Opening flow, including visual contrast enhancements for users with low vision
• Integrated JAWS and VoiceOver screen reader support, ensuring full keyboard navigation accessibility for users with disabilities across entire application flow
• Collaborated with accessibility consultants to meet Web Content Accessibility Guidelines (WCAG) standards, establishing accessibility testing protocols adopted company-wide
• Contributed bug fixes to internal Common User Interface (CUI) Angular component library, including country selection dropdown and group checkbox components used by 15+ development teams
• Delivered UI features, bug fixes, and accessibility improvements powering client-facing applications that opened 200k+ wealth management accounts in 2020
• Organized and presented sprint retrospective accomplishments to parallel teams in larger MSO Wealth Management Technology fleet meetings

• Completed rigorous 10-week Technology Analyst Program covering concurrent programming, application services, and functional programming in Scala with internal instructors
• Built Proof of Concept (POC) full-stack trading system using Java, Angular, and DB2 in collaborative team environment
• Developed AI chatbot with optimized knowledge base access using TWiki integration

Relevant Coursework: Advanced Programming (C/C++), Advanced Software Engineering, Computer Science Theory, Introduction to Databases, Fundamentals of Computer Systems, Introduction to Project Management (Agile/Scrum), Calculus III, Linear Algebra