# Yujia Lin > Senior Software Engineer @ Capital One | Contact Center Technology, Node.js, React, Java, AWS Certified Solutions Architect Location: Fremont, California, United States Profile: https://flows.cv/yujialin Full-stack software engineer with 8+ years of experience spanning fintech, startups, and enterprise applications. Passionate about building scalable backends, modern UIs, and automation tools that drive measurable impact. Proven ability to lead small teams, own critical features end-to-end, and collaborate across engineering and business functions to deliver reliable, high-impact solutions. ## Work Experience ### Senior Software Engineer @ Capital One Jan 2023 – Present - Led IVR routing updates for the Capital One BackBook migration, directing 500K+ migrated Discover accounts to Capital One systems with zero service disruption; resolved edge cases and regressions across teams. - Drove FrontBook migration by enhancing IVR logic to detect Capital One application IDs, enabling automatic mid-call routing of FrontBook customers without manual intervention. – Designed and implemented a full-stack IVR (Interactive Voice Response) monitoring system (Spring Boot + PostgreSQL + React), tracking MM+ monthly calls and enabling real-time alerting and diagnostics. – Delivered a self-service IVR integration for Customer Protection Services, projected to save $200K+ annually in OPEX. – Led a team of 3 engineers to build Kafka-based logging services and AWS-hosted dashboards, improving troubleshooting speed and operational visibility. – Modernized IVR architecture by migrating legacy VXML modules to the Omilia Cloud Platform with RESTful APIs, improving customer routing efficiency by 20%. – Created and deployed a GitHub bot on OpenShift to enhance PR management and enforce CI/CD policies. ### Full Stack Engineer @ Pathway Labs Jan 2023 – Jan 2023 – Enhanced front-end performance and data presentation, improving load times by 10% and streamlining the dashboard experience. ### Full Stack Engineer @ BunBao.com, Inc. Jan 2019 – Jan 2022 | San Francisco Bay Area – Built a custom ERP system (Express.js + GraphQL + MongoDB + React + AWS) to manage purchasing, HR, and inventory, enabling the business to scale efficiently. – Scaled the engineering team from 1 to 4 developers, introducing modern workflows, Git practices, and CI processes. – Led development of a React Native mobile tool that digitized kitchen and delivery operations, increasing task throughput by 70%. – Integrated Square payments and optimized the checkout process, improving transaction performance by 50%. – Improved sign-up UX, reducing steps by 80% and significantly increasing conversion rates. – Built a WorkWave-integrated delivery tracker to notify customers in real time, reducing support load. – Implemented reliable third-party vendor pipelines with retry logic and concurrency control. ### Full Stack Engineer @ WiFrost Inc Jan 2021 – Jan 2021 | San Francisco Bay Area – Developed an IoT-focused speed test service to monitor network performance and assist customers in improving connection stability. – Deployed and configured Magma Core to enable customers to manage their own Evolved Packet Core (EPC) infrastructure. ### Co-founder & Full Stack Engineer @ Menupedia LLC Jan 2018 – Jan 2019 | San Francisco Bay Area – Developed a digital ordering system that reduced restaurant table turnover time by 20%, replacing paper-based workflows. – Operated a local delivery service using the software in Tucson, consistently earning top customer satisfaction ratings. – Graduated from Y Combinator Startup School, Class of 2018. ### Full Stack Engineer @ The BIO5 Institute Jan 2017 – Jan 2018 | Tucson, Arizona Area - Developed and optimized Angular web application for hospital psychiatry with Django - Optimized questionnaire form submission speed by 20% ### Full Stack Engineer @ Tinydust Jan 2017 – Jan 2017 | Hangzhou, Zhejiang, China - Developed a distributed tool via S3 for customers to optimize the user experience ## Education ### Master of Science - MS in Computer Science San Francisco Bay University ### Bachelor of Science - BS in Computer Science University of Arizona ## Contact & Social - LinkedIn: https://linkedin.com/in/blueandhack --- Source: https://flows.cv/yujialin JSON Resume: https://flows.cv/yujialin/resume.json Last updated: 2026-04-01