# Karina Walker > SWE @ Ramp | Maths & CS @ HMC Location: New York, New York, United States Profile: https://flows.cv/karinawalker I am majoring in Computer Science and Mathematics with a concentration in Environmental Analysis at Harvey Mudd College. I am interested in the intersection between finance and technology both in software and product. I love breaking down problems into manageable pieces and considering human-centered design with technology. Connect with me: www.karinawalker.com ## Work Experience ### Software Engineer @ Ramp Jan 2025 – Present | New York, United States Accounting Integrations ### Davis UWC Scholar @ The Davis UWC Scholars Program Jan 2021 – Jan 2025 ### Software Engineer Intern @ Ramp Jan 2024 – Jan 2024 | New York City Metropolitan Area Accounting Integrations. ### Member @ Rewriting the Code Jan 2022 – Jan 2024 ### Software Engineer Intern @ PayPal Jan 2023 – Jan 2023 Enhanced an internal analytics solution to pipeline data to a company-wide service, increasing stability and saving developer resources. Analyzed concurrency patterns and implemented graceful shutdowns to improve the system reliability, remove bottlenecks and halve performance time. Formulated benchmark tests, measured code coverage, and executed load testing using JMeter, successfully deploying to production. ### Quantitative Trading Wintern @ Virtu Financial Jan 2023 – Jan 2023 | New York, United States Selected as 1 of 17 to participate in an introductory program to quantitative trading strategies with lectures and exercises. Collaborated with traders to create a trading strategy using regression analysis and presented to executives. ### Software Engineer @ PayPal Jan 2022 – Jan 2022 Practiced pair programming on both the server and web SDK team in an Agile environment. Implemented a payment feature for the JavaScript SDK using Test Driven Development. Spearheaded the implementation of the Gson library to replace an inefficient custom serializer. Identified user pain points and automated the triage process with a Slack bot. Peer programmed to investigate integration issues from large merchants. ### Product Space Fellow @ Product Space Jan 2021 – Jan 2022 | Claremont, California, United States Learned about Product Management fundamentals including user pain points, iterative development, and RICE Prioritization. ### Product Management Intern @ Tixologi Jan 2022 – Jan 2022 | Claremont, California, United States Conducted competitive market analysis for companies in the NFT ticketing industry ### First-Year Trading & Technology Program @ Jane Street Jan 2022 – Jan 2022 | New York, New York, United States Selected as one of sixty. Program to introduce first-year undergraduates to Jane Street's trading and technology models through classes and a mock Electronic Trading Challenge. Third place in estimathon. ### Online Tutor @ TCK Workshop Jan 2020 – Jan 2021 | Tokyo Teaching G7-G12 in Mathematics, Science, English, and Social Studies. Communicated with students to identify pain points to effectively build foundational skills. Taught in Japanese and English. ### Software Engineer Intern @ Coinhako Jan 2021 – Jan 2021 | Singapore Automated a subscription service by creating an API client and utilizing concurrent processing. Expanded a back-end risk evaluation service that identifies potentially malicious users by adding API endpoints and querying databases appropriately. Completed due diligence reports for the Singapore Government thrice weekly for new tokens. ### Developer and Media Intern @ Oogushi Apple Farm Jan 2020 – Jan 2020 | Nagano, Japan Reprogrammed and redesigned their E-Commerce website for a more user-friendly experience. Optimized social media interactions using drones, GoPros, and Adobe Premier to create immersive content for Youtube and Instagram. ### Student Volunteer @ Beyond Social Services Jan 2018 – Jan 2019 | Singapore Worked with disadvantaged six to seven-year-olds on a weekly basis at Healthy Start. Led educational and recreational activities tailored to kids. ## Education ### Bachelor's degree in Mathematics and Computer Science Harvey Mudd College ### IB UWC South East Asia ### Global Summer School in Physical Sciences Imperial College London ## Contact & Social - LinkedIn: https://linkedin.com/in/karina-walker-54bb69144 --- Source: https://flows.cv/karinawalker JSON Resume: https://flows.cv/karinawalker/resume.json Last updated: 2026-04-07