# Yousef Issa > Software Engineer at Plaid | Kleiner Perkins Engineering Fellow Location: San Francisco, California, United States Profile: https://flows.cv/yousefissa ## Work Experience ### Senior Software Engineer @ Plaid Jan 2022 – Present | San Francisco Bay Area Liabilities, Investments, and Transactions team ### Software Engineer @ Zumper Jan 2020 – Jan 2022 | San Francisco Bay Area As a software engineer at Zumper, a leading online rental marketplace, I had a proven track record of delivering high-quality, efficient solutions. My expertise included optimizing system performance, enhancing developer velocity, and increasing customer engagement. • Redesigned microservices architecture, reducing resource consumption by 90% while maintaining single-digit latency; saved tens of thousands of dollars per month on AWS resources. • Successfully refactored a monolithic codebase into a monorepo, modularizing code into libraries and services, and upgrading from Python 2 to Python 3. • Engineered a high-performance email delivery service, efficiently delivering millions of emails per month. • Led data engineering initiatives, including deploying the Airflow 2 upgrade and building an A/B testing engine that increased email click rates. • Developed reusable microservice and library templates using CookieCutter, Docker, Terraform, commit hooks, and Nomad, significantly boosting developer productivity. ### Software Engineering Intern @ Zumper Jan 2018 – Jan 2019 | San Francisco Bay Area • Developed and deployed Zumper's first programmatic ad product, enabling millions of landlords to effortlessly promote their rental listings; this became a primary source of recurring revenue. Technologies used: Django, Apache Thrift, Postgres, and columnar formatting. • Boosted website search inventory by creating APIs to integrate external feeds, adding hundreds of thousands of new property listings to the platform. • Utilized Python, JavaScript, Django, React, and Postgres to drive improvements and enhance the platform's functionality. ### Engineering Fellow - 2018 @ Kleiner Perkins Caufield & Byers Jan 2017 – Jan 2018 | San Francisco Bay Area The Kleiner Perkins Caufield & Byers Fellowship Program offers top U.S. college and graduate students a chance to work inside innovative Silicon Valley startups. KPCB Engineering Fellows join our portfolio companies, where they develop their technical skills and are mentored by an executive within the company. ### Python Developer @ Center for Connected Learning and Computer-Based Modeling Jan 2017 – Jan 2018 | Evanston, Illinois • Worked on recreating the Netlogo web application, a popular open source modeling tool, utilizing Python, JavaScript, and HTML/CSS stack. • Implemented new simulation behaviors while improving the GUI and Web code editor to provide advanced IDE features. ### Software Engineering Intern @ Fulcrum Global Technologies Inc. Jan 2017 – Jan 2017 | Greater Chicago Area • Acted as product manager to design and pitch a message aggregation platform using natural language processing. • Led the backend development utilizing NodeJS, Mongo, Socket.IO to read messages from messaging clients and send to the server. • Created an Android app to add SMS functionality to the main client. • Handled message encryption and storage on the client and server side. ### Lab Technician @ McCormick IT Jan 2016 – Jan 2017 | Evanston, Illinois • Managed Northwestern University McCormick engineering school computer labs and engaged in software installation, computer maintenance, and scripting. • Provided software and hardware support for McCormick administration offices and other faculty and students. ### Undergraduate Teaching Assistant @ Northwestern University Jan 2017 – Jan 2017 • Gained experience assisting students with programming fundamentals in a Python based class. • Lectured, graded exams, and held office hours to ensure students understood the course concepts. ## Education ### Bachelor’s Degree in Computer Science Northwestern University ## Contact & Social - LinkedIn: https://linkedin.com/in/yousefissa - GitHub: https://GitHub.com/yousefissa - Portfolio: https://yousefissa.com --- Source: https://flows.cv/yousefissa JSON Resume: https://flows.cv/yousefissa/resume.json Last updated: 2026-03-29