Qinhao X.

Qinhao X.

Qinhao X.

AIML@PayPal

Software Project Management/Lead, Software Development Lifecycle, Scrum Master, Communication Prompt Tuning/Engineering, Agentic/A2A/MCP/crewAI framework LLMs: GPT/Claude/Gemini/Llama Coding Assistant: Claude Code/Cursor/Copilot/Gemini Experiencing in API design and development, Agile development cycle, distributed...

Experience

PayPalSenior Software Engineer

2024 — Now

2024 — Now

San Jose, California, United States

AI/ML Infrastructure

model training/evaluation pipeline.

Agentic AI/LLM

Model Context Protocol (MCP)/A2A

Agent Evaluation Framework

Annotation Tools

Customer Service Infrastructure

Chatbot

IVR

SoFiEngineering

2022 — 2024

PayPalSoftware Engineer II

2020 — 2022

2020 — 2022

San Jose

Core Payment/Onboarding Risk

QR Code (In-Store,Offline, PayPal at Pump)

Debit Card (PayPal Debit Card, Business Debit MasterCard, Virtual Card)

Samsung/Google Pay

Direct Deposit/P2P/OpenBanking

PayPalSoftware Engineer

2018 — 2020

2018 — 2020

San Jose, California, United States

core risk login and identity authentications.

2017 — 2017

2017 — 2017

Greater Seattle Area

Education

UCLA

Bachelor of Arts - BA, Computer Science