Open to AI Application Engineer · Full-stack · SDET rolesShenzhen / Guangzhou / Hangzhou / Remote · Available now

Kang Peng

Software Engineer · ex-PayPalxkangpeng@gmail.com+86 178 0153 3830

Built 3 production AI products used by real users.

Full-stack · AI Agents · Trading Systems

4
Years of Experience
3
Products in Production
290+
Active Users
0
P1 Incidents

01Experience

PayPal

PayPalSoftware Engineer

Nov 2022 – May 2026 · Shanghai

Payment automation across merchant onboarding, KYC, checkout, and settlement for EU and US card launches.

  • Built an AI test framework used by PMs and engineers−60% test setup time

    Natural-language scenario → generated API calls → full buyer checkout in Playwright. Non-engineers author their own tests. Claude API + React + Playwright.

  • Led EU card-checkout expansion end to end10 markets · 450+ cases

    Merchant onboarding through KYC, capture, and settlement, across 3 merchant integration paths.

  • Tech lead on two cross-country launches0 P1 incidents

    US debit card and no-code payment button; 3-person team across CN / IN / BR.

Claude APIReactPlaywrightJavaJenkins
Shopee

ShopeeSoftware Engineer

Jul – Sep 2022 · Shenzhen

  • Built real-time ETL pipelines for store and order event streamsFlink · Kafka · Redis

    Stream deduplication and joins at the processing layer suppressed scalper-bot purchasing.

FlinkKafkaRedisScala
Baidu

BaiduSoftware Engineer (Intern)

Apr – Jul 2021 · Beijing

  • Built offline data-sync pipelines (HDFS → MySQL / FTP)Spring Boot · Hadoop

    Automated monitoring and alerting via Grafana.

Spring BootHadoopMySQLRedis

02Projects

3 products shipped to real users.

03Skills

AI & Agents
Multi-Agent SystemsAgent OrchestrationLLM EvaluationPrompt EngineeringRAGWorkflow Automation
Models
ClaudeGeminiDeepSeekLocal Qwen
Languages
PythonTypeScriptJavaSwift
Frontend
React / Next.jsSwiftUITailwind CSS
Backend & Data
FastAPIPostgreSQLRedisSupabase
Infra
CloudflareRailwayVercelJenkins

04Education

University of Chinese Academy of Sciences

University of Chinese Academy of Sciences

M.S., Nanoscience & Technology

2019 – 2022 · GPA 3.45 / 4.0

Dalian Maritime University

Dalian Maritime University

B.E., Marine Engineering

2015 – 2019 · GPA 3.88 / 5.0 · Ranked 2nd in major

05Awards

National Scholarship × 2 (top 1% nationally)

2017 / 2018

DMU President's Scholarship — Top 10 Outstanding Students

2018

UCAS First-Class Academic Scholarship

2020 / 2021

PayPal Spot Award — PPCP E2E Team

2023

PayPal Props (10 bravos)

2024