Tongze Mao

Introduction

Hi, I’m Tongze Mao, a mobile & full-stack engineer who transforms everyday workflow pain-points into delightful, data-driven software.

I’m currently an Associate Software Engineer in Test (Infrastructure) at Veeva Systems, focusing on release confidence and reliability for Vault core infrastructure.

I’ve shipped 8 SwiftUI apps (1 cracked the App Store top-20) under my indie studio TZAppify, and previously led a four-engineer team at SupTech, cutting support workload 85 % with 2 cross-platform Flutter apps.

• CUM LAUDE, Dual B.S. Computer Science & Informatics · Minor in Statistics — UCI (GPA 3.94)
• Rapid-prototyping addict · Clean-UI advocate · Always learning

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Passion for Product Design & UI/UX

I’ve tested and documented improvements for over 160+ apps, fueling my obsession with user-centric enhancements. This continuous cycle of hands-on exploration and idea generation shapes how I:

• Rapidly learn and apply new frameworks
• Continuously refine UX flows based on user feedback
• Deliver polished and impactful mobile experiences

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Professional Experience

Veeva Systems

As an Associate Software Engineer in Test (Infrastructure) on Vault Infrastructure / QA & Release Engineering, I build and expand automated test coverage for core platform components—Durable Queue Framework, FileManager/FSA, and the Configuration Framework—to improve release confidence and platform reliability.

• Coverage & tooling — Design white-box tests, reusable harnesses, and developer tooling that exercise critical paths and edge cases.
• CI/CD quality gates — Tighten pipelines (Git/GitLab CI), raise code coverage, and reduce flakiness with deterministic fixtures & idempotent teardown.
• Scale & resilience — Validate behavior across deploy lifecycles, HA/DR, performance, and scalability; enforce SLO-driven “go/no-go”.
• Reliability engineering — Partner with platform/SRE on observability, alerting, and failure injection to raise uptime and MTTR.
• Enablement — Author docs/runbooks/examples so engineers can adopt frameworks safely and quickly.

SupTech

As Software Developer & Team Lead, I directed a four-engineer team that launched SupTech’s first self-service platform: two cross-platform apps for consumers and field technicians.

• Ship fast, ship right — Designed, built, and released both Flutter + Firebase apps; customer-support workload ↓ 85 %.
• Scalable back end — Node.js micro-service layer + WebSocket gateway (10 k concurrent sockets, sub-150 ms latency).
• Workflow automation — State-machine order lifecycle + FCM push cuts dispatch SLA 70 %; no more Excel trackers.
• Feature depth — Stripe Connect escrow & instant payout, geo-search (Haversine), end-to-end encrypted chat, AI repair assistant, multilingual UI.
• Security & compliance — RSA-2048 handshake + AES-GCM channels → 100 % PCI-DSS & SOC 2 pass.
• CI/CD excellence — Fastlane + GitHub Actions: commit-to-App Store < 2 days, crash rate < 0.2 %.
• Process leadership — Ran agile ceremonies; velocity ↑ 70 %, 14 sprints at 98 % on-time delivery.
• Quality first — Introduced TDD across a 380 k-LOC Dart monorepo → 96 % test coverage & nightly regression matrix.

TZAppify

Under my indie studio TZAppify, I’ve shipped eight native iOS apps that each tackle a specific workflow pain-point → View my entire App Store developer page.

Here are the public, live titles—organized by theme:

Productivity & Planning

• DoneTodo — #18 Productivity ∙ Paint-your-day grid planner with undo/redo and retention analytics.
• SparkDays — #112 Lifestyle ∙ Habit tracker that turns streaks into reward coins for built-in store items.

Memory & Reflection

• WayLater — #169 Lifestyle ∙ “Time-capsule” letters that unlock on a future date; adds photos and comment threads.
• Flipperly — Flashcard SRS with swipe-to-grade UX and spaced-repetition scheduling.

Utilities & Developer Tools

• 3Calc — Triple calculator; swipe between three independent histories.
• FontMate — iOS font explorer that auto-generates SwiftUI code for any style.

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Research Endeavors

Ren Lab, The Chinese University of Hong Kong (CUHK)

During a summer internship, I worked on endoscopic 3D reconstruction for medical imaging. Read more about my dataset engineering and NeRF-based experiments in CUHK Research.

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UCI Academic Journey

University of California, Irvine (UCI)

At UCI, I pursued dual majors in Computer Science and Informatics, plus a Statistics Minor. My studies deeply shaped my:

• Software Engineering fundamentals
• HCI and intelligent systems knowledge
• Project-based leadership and agile collaboration

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Get in Touch

I’d love to connect! Whether you’d like to:

• Discuss new app ideas or potential collaborations
• See my code or chat about my approach to UI/UX
• Talk about bridging AI and mobile experiences

Feel free to reach out. I’m always excited to explore what we can build together.