Xiaohan Liu
@xiaohanliu
Senior software engineer specializing in GenAI and full‑stack ads product development.
United StatesWhat I'm looking for
I am a self-driven Senior Software Engineer with 10+ years building AI and Ads products at high-growth teams and startups, including leading GenAI Ads Platform and RAG-based hosting QA systems. I excel in 0→1 product development, rapid prototyping, Full Stack and AI engineering, and cross-functional collaboration with designers and PMs.
My work spans frontend and backend systems using React, Next.js, TypeScript, Node.js, Python, and Django, plus infrastructure and vector retrieval pipelines for document-grounded QA. I mentor junior engineers, drive prototypes, and deliver production systems that prioritize scalability, usability, and accuracy.
Experience
Work history, roles, and key accomplishments
Built the GenAI Ads Platform and a RAG-based Hosting Tools QA system from scratch, enabling hosts to generate ad copy and providing citation-backed QA that improved debugging and content generation workflows.
Owned end-to-end development of Ads Manager features including Reach and Frequency reserved campaigns, driving rapid prototyping and scalable campaign data models for brand advertisers.
Software Engineer
Mar 2015 - Sep 2017 (2 years 6 months)
Developed Supervision and Mental Wellbeing tools and scalable RESTful APIs, advancing user safety and accessibility while implementing modular React components and mobile-first designs.
Education
Degrees, certifications, and relevant coursework
Columbia University
Master of Science, Computer Science
2013 - 2015
Completed a Master's degree in Computer Science with coursework and projects focused on advanced software engineering and AI-related topics.
Beijing University of Posts and Telecommunications
Bachelor of Engineering, Electrical and Electronics Engineering
2009 - 2013
Completed a Bachelor's degree in Electrical and Electronics Engineering with foundational training in electronics, signal processing, and systems.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Job categories
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