Haiquan
Patrick Zheng

CITIBANK · Dallas, TX

• Own core UI base templates and dashboard tile components powering the first-screen experience for 20M+ iOS app users across a 4.9-rated app.
• Contributed to achieving a 99.98% crash-free session rate (30-day) through rigorous PR gatekeeping and release validation across 5–15 iOS engineering teams.
• Primary gatekeeper for all iOS team pull requests merging to the main app, enforcing code quality and stability standards company-wide.
• Manage and support the iOS CI/CD pipeline end-to-end, enabling continuous delivery across all iOS development teams at Citi.
• Integrated a third-party deep-linking API for universal links, implementing payload parsing and routing logic that directs customers to the correct in-app destination.
• Heavily involved in Xcode and Swift version migrations — researching feasibility, assessing cross-team impact, planning with tech lead, and providing post-migration support.
• Implement and maintain accessibility features (VoiceOver, Dynamic Type, contrast compliance) for owned UI components.
• Support the app release process including maintaining documentation, triggering Jenkins build jobs, and reporting build issues.

MISSOURI S&T CSSA · Rolla, MO

• Secured $10,000+ in sponsorships by building partnerships with 5 local businesses.
• Organized annual events bridging 1,000+ students and 200 faculty members, generating over $8,000 in profit.