ZHANG Qichuan

Software Engineer

Hello_

I spend most of my time building fintech and mobile stuff, and trying to make difficult things easier to understand. Now that AI can handle more of the routine coding, I get to spend more time thinking through ideas, fixing real problems, and playing guitar 🎸.


Technical Solutions Engineer

Stripe
OCT 2021 - Present
  • Resolved complex integration issues for enterprise users across payments, Billing, Terminal, money management, and platform products.
  • Developed MCP tools that let LLM agents pull diagnostics, query logs, and resolve recurring issues with minimal human handoff.
  • Built internal diagnostic tooling that significantly reduced resolution latency for global support teams.
  • Drove platform reliability initiatives by surfacing recurring user pain points to Product and Engineering, and contributing to upstream fixes.
  • Mentored Solutions Engineers across APAC and contributed to team debugging playbooks, on-call practices, and onboarding materials.
  • Standardized developer resources by authoring comprehensive technical documentation, production-ready SDK examples, and interactive demos.

Technology Advisor

Ant Group
OCT 2017 - OCT 2021
  • Orchestrated the launch of Mini Program in India, reaching over 450M users.
  • Catalyzed digital transformation in Malaysia and Indonesia by launching scalable Mini Program platforms.
  • Optimized mobile payment solution rollout in Indonesia, supporting a user base of 70M+ MAU.
  • Enhanced Android app performance for low-end hardware in emerging markets, increasing accessibility and user retention.
  • Developed custom diagnostic suites for partner engineers to accelerate integration lifecycles.

Android Dev Lead

Paktor
OCT 2014 - OCT 2017
  • Defined the Android engineering roadmap, overseeing feature delivery for a leading social networking app.
  • Maintained top-tier app stability with a 4.3+ Play Store rating and a crash-free rate exceeding 99.2%.
  • Led UI/UX overhaul resulting in measurable improvements to user engagement and long-term retention.
  • Implemented secure mobile payment solutions to drive platform monetization.

Head of Department, Application Development & Services

Vodoke
AUG 2011 - OCT 2014
  • Directed end-to-end software engineering operations and vendor coordination, overseeing the delivery of large-scale digital entertainment ecosystems.
  • Spearheaded a nationwide IPTV deployment for a major Singapore telco, managing complex technical requirements and infrastructure integration.
  • Architected and deployed flagship entertainment systems for luxury hotels in Taiwan, enhancing guest engagement through localized digital platforms.
  • Engineered internal productivity tools that automated sales engineering workflows, significantly accelerating project turnaround times.

R&D Software Engineer

Gemalto (now Thales)
JUN 2009 - JUL 2011
  • Developed mission-critical SmartCard management systems and telecommunications tooling for global mobile network operators.
  • Designed and implemented communication frameworks to optimize data exchange and security protocols for SmartCard technologies.
  • Built advanced authentication simulation software for mobile TV services, ensuring robust security validation prior to market release.

Education

Nanyang Technological University, Singapore

Bachelor's degree in Computer Engineering

2005 - 2009 • 2nd Upper Class

Nan Hwa High School, Malaysia

UEC (Unified Examination Certificate)

2000 - 2005

Top 10 in Mathematics and Chinese Language

Japanese Language Proficiency Test (JLPT)

Level 3

Side Projects_

iOS Apple Pay

CardPulse

Track your Apple Pay tap-to-pay spending to hit minimum spend requirements and earn credit card rewards.

Swift iOS SwiftUI
Stripe Webhook Inspector

Stripe Webhook Inspector

A free developer tool to inspect and debug Stripe webhook event data objects in real time — understand the shape of each event before implementing your webhook handler.

Next.js React Stripe API
View Project
TweetFit KaiOS
Featured Top 5 Most Installed

TweetFit for KaiOS

A fast and responsive Twitter App dedicated for KaiOS.

HTML5 CSS3 JavaScript KaiOS
View Project
TweetFit Fitbit

TweetFit for Fitbit

View your latest twitter timeline from your wrist with this dedicated Fitbit app.

HTML5 CSS3 JavaScript Fitbit SDK
View Project

Patents_

Method of payment and device

Filed in Feb 2019

CN110009330A

The application provides method of payment and device, wherein the method for payment, comprising: revenue and expenditure is inscribed in payment region and pays pretrigger instructionï¼›Based on the payment pretrigger instruction acquisition action dataï¼›Identify the corresponding equipment payment movement of the action data.

Payment Information Display

Filed in Dec 2017

CN108182577A

This specification embodiment discloses a kind of method, apparatus and equipment for showing payment information. In this specification embodiment, if terminal monitors that payment is deployed in the interface currently shown applies corresponding application widget APP Widget.

Remote controller

Filed in June 2013

EP2865196B1

A remote controller for an interactive system for a system delivering content to a display screen is provided. The system includes a set top box coupled between a central content server and a display screen.

Content Delivery System

Filed in June 2014

EP3014893A4

A system and method for delivering content to a display screen is provided. An interactive user interface includes a selection portion with selectable objects related to corresponding screens.

Music_

Fingerstyle guitar videos from my YouTube channel, starting with the latest upload.

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