# Tousif Khan > Software Engineer @ Amex Location: New York, New York, United States Profile: https://flows.cv/tousif Software Engineer at Amex with experience in Kotlin, React, TypeScript, and Python. Areas of focus: full-stack engineering, scientific programming, and computational biology. Also a licensed EMT and hobbyist photographer. ## Work Experience ### Software Engineer @ American Express Jan 2022 – Present | New York, NY • Redesigned and rebuilt 30+ React/TypeScript UI modules for Card Activities & Statements using SWR hooks, improving Visually Complete Time down to∼243 ms serving 5M+ users annually. • Led the frontend development of Amex Plan It, a pay-over-time feature for Japan, marking a significant milestone launching on-card installment lending products across international markets for 10M+ global users. • Developed Kotlin BFF APIs powering 50+ micro-frontend modules, improving data availability on card accounts and transactions and reducing downstream latency for multiple product teams. • Implemented accessibility features using internal React component libraries with axe DevTools and screen reader testing, ensuring WCAG compliance and improving accessibility audit scores to 100%. • Collaborated with product managers, designers, and engineering leads to define scope, delivery timelines, and cross-team integration requirements. ### Software Engineer @ IBM Jan 2021 – Jan 2022 | New York, NY • Built UI features for IBM Workbench using Vue and JavaScript, improving usability for enterprise clients integrating with IBM partner systems. • Designed and implemented an Application Manager analytics dashboard, visualizing system status using internal APIs to improve monitoring for partner organizations. • Improved development cycle by refactoring 100+ unit tests in Java, utilizing multi-threading and creating Jenkins pipeline, decreasing build execution time by 83%. • Updated Postgres schemas for changing credit record formats for 1,000+ international partners, ensuring data integrity and backward compatibility. • Authored onboarding documentation for new developers, accelerating environment setup and ramp-up time. ### Computer Engineering Intern @ Con Edison Jan 2017 – Jan 2018 | New York, New York, United States • One of 15 out of class of 1400 students selected for high school internship. • Used company Work Management Systems, Excel, and Python scripts to analyze company equipment. • Conducted inspections in Brooklyn and Lower Manhattan for electrical leaks. • Presented research and data to the CFO and company board on safer vented manhole covers, in order to prevent underground gas buildup. ## Education ### Bachelor of Science - BS in Applied Mathematics The City College of New York ### High School Diploma in Electromechanical Engineering Brooklyn Technical High School ## Contact & Social - LinkedIn: https://linkedin.com/in/tousif-k - GitHub: https://github.com/tousif-k --- Source: https://flows.cv/tousif JSON Resume: https://flows.cv/tousif/resume.json Last updated: 2026-03-22