# Rassan Walker Jr. > Former Software Engineer → Aspiring Physician Location: Brooklyn, New York, United States Profile: https://flows.cv/rassan Former software engineer pivoting towards a career in medicine. Interested in neuroscience research and research exploring the social determinants of health. ## Work Experience ### Full Stack Engineer @ Vori Jan 2022 – Jan 2025 Helped build comprehensive software improving operational efficiency for independent grocers. • Acted as Pod Lead for the Cost & Pricing pod, driving initiatives improving price management, cost change detection, and product deduplication. • Helped increase margins for multiple customers by over 15%, while reducing manual labor needed to prevent margin erosion. ### Software Engineer - Ads Manager Create Flow @ Pinterest Jan 2020 – Jan 2022 | San Francisco, California, United States • Integrated diverse ad formats and various insights into Pinterest’s Ads Create Flow, enhancing advertiser flexibility and decision-making. • Conducted experiments to optimize the presentation of the Create Flow, increasing rates of optimal campaign setup by ~10%. • Served as a mentor for 3 of the team’s engineers, including weekly 1:1s. ### Technical Team Lead, Sales Productivity @ Pinterest Jan 2019 – Jan 2020 | San Francisco, California, United States Spearheaded initiatives to elevate sales productivity at Pinterest, achieving significant operational improvements. • Executed a multi-month migration plan to transition the sales team from an internal tool to the Ads Manager, enhancing efficiency and reducing engineering load. • Designed and implemented a scheduled reporting feature, addressing a critical need for both advertisers and the sales team. • Served as a mentor for the 3 junior engineers on the team. ### Technical Team Lead, Ads Reporting Platform @ Pinterest Jan 2018 – Jan 2019 | San Francisco Bay Area Led the development of various reporting solutions for Pinterest's Ads Reporting Platform, achieving substantial performance improvements. • Built scalable and user-friendly reporting solutions for advertisers and internal teams. • Enhanced the asynchronous reporting pipeline, increasing possible report sizes by ~10x and reducing generation times by ~25% for large reports. • Achieved a ~500% improvement in the success rate for large report generation, significantly benefiting user experience. ### Software Engineer, Advertiser Core Experience @ Pinterest Jan 2016 – Jan 2018 | San Francisco, California Utilized JavaScript, React, and Python to build full-stack product features for the Ads Manager platform. ### iOS Engineering Internship @ Instagram Jan 2015 – Jan 2015 Worked on two high-impact projects in Objective-C: implementing a phone registration flow and implementing multiple account switching. Both projects were geared towards increasing growth and engagement metrics. ### Software Engineer Internship @ Facebook Jan 2014 – Jan 2014 Utilized XHP, React, Javascript, and CSS to implement multiple redesigns—on the desktop and mobile sites—of the UI with which users interact when modifying their profile picture. ### FBU Intern @ Facebook Jan 2013 – Jan 2013 | Menlo Park Received training in iOS development; then, using Objective-C, developed a location-dependent event finding application with two other interns. ## Education ### Postgraduate Degree in Pre-Medicine/Pre-Medical Studies Columbia University Jan 2025 – Jan 2027 ### Bachelor's in Computer Science Stanford University Jan 2012 – Jan 2016 ## Contact & Social - LinkedIn: https://linkedin.com/in/rassanwalker --- Source: https://flows.cv/rassan JSON Resume: https://flows.cv/rassan/resume.json Last updated: 2026-03-20