James Guo
@jamesguo1
Staff software engineer specializing in full-stack product systems and performance optimization.
United StatesWhat I'm looking for
I am a Staff Software Engineer with extensive full-stack experience building scalable, high-performance product features using React, TypeScript, Java, and Python. I architect end-to-end systems—frontends, microservices, APIs, and analytics—focused on measurable business impact.
At companies like Airbnb and Netflix I drove improvements in conversion, engagement, and Core Web Vitals by designing reusable UI frameworks, real-time services, and data visualization tools, while collaborating closely with product, design, and ML teams. I also mentor engineers and establish frontend and backend best practices to accelerate delivery and reliability.
I enjoy solving cross-cutting problems—performance, personalization, and observability—by combining pragmatic engineering, data-driven experiments, and maintainable platform design to deliver customer value at scale.
Experience
Work history, roles, and key accomplishments
Architected and built end-to-end guest and host features using React, TypeScript, Java, and Python microservices, improving booking conversion by 11% and reducing page load times by 28% while achieving 99% API uptime.
Led redesign and backend modernization of Netflix.com using React, TypeScript, Java, and Python, driving an 8% lift in title views and improving Core Web Vitals by 8% while delivering shared UI libraries adopted across product pods.
Senior Software Engineer
Two Sigma
Oct 2018 - Apr 2019 (6 months)
Built responsive, data-rich web interfaces with React and Vue for internal analytics platforms, reducing render latency and improving page load times by 12% through modular reusable components and frontend best practices.
Designed and implemented scalable backend services in Python and Java for content management and commerce, optimizing API and database performance to improve response latency by 30%.
Software Engineer
Epic
Dec 2014 - Feb 2016 (1 year 2 months)
Developed backend services and data-driven web applications using Python, PHP, and MySQL to support EHR workflows, improving data exchange reliability and reducing manual entry errors by 20%.
Education
Degrees, certifications, and relevant coursework
Duke University
Bachelor of Science, Computer Science
2011 - 2015
Completed a Bachelor of Science in Computer Science with coursework in algorithms, software engineering, and systems.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Job categories
Skills
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