Zixiang Zhang

Machine Learning Engineer · AI / ML

Resume.

AI-oriented software engineer working across applied machine learning, agentic systems, native Apple-platform software, and audio engineering.

Zixiang Zhang

AI Software Engineer · Applied ML · Agentic Systems · Swift / Python

Software engineer and machine learning engineer building native Apple-platform applications, applied ML/data projects, agentic-system documentation, and audio-focused developer tools. Creator of 11 software products, with 9 currently published on the App Store. Strong mathematical and statistical background from the University of Toronto, with practical engineering work across Swift/SwiftUI, Python, PyTorch, NumPy, pandas, R Shiny, SQLite, and product documentation.

Experience

Independent Software Engineer / Apple Platform Developer

JUN 2025 — PRESENT

Toronto, ON · Hybrid

  • Designed, developed, and shipped 11 native applications across macOS, iOS, iPadOS, and watchOS, spanning productivity, developer tools, academic utilities, health/wellness, and creative workflows.
  • Owned full product lifecycle: architecture, Swift/SwiftUI implementation, UI/UX, debugging, App Store Connect compliance, privacy documentation, product landing pages, user manuals, and release iteration.
  • Published 9 products on the App Store.
  • Built local-first and privacy-focused tools with platform-specific interaction design, structured state management, file workflows, and native system integrations.
SwiftSwiftUIJavaProduct Documentation

Audio Engineer / Sound Designer / Composer

MAY 2020 — PRESENT

Toronto, ON · Hybrid

  • Built a six-year professional production workflow covering composition, synthesis, recording, routing, mixing, mastering, release preparation, and visual/artwork coordination.
  • Led audio development for Deck Of Harvest, Backtrack, Shiyue, and Cyberslime, providing original soundtracks, sound effects, foley recording, synthesis-based sound design, and implementation-ready assets.
  • Known as Alexxon, produced and released 50+ original tracks distributed globally, with support and features from Martin Garrix, Ferry Corsten, Anjunadeep Edition, and Monstercat Silk Showcase.
MixingMasteringSound DesignOST ProductionAudio Recording

Selected Projects

AGN: Agentic Network

2025 — PRESENT

Agentic systems · workflow architecture · technical documentation

  • Designed and documented an agentic-network framework covering orchestration, protocol design, executor/reviewer roles, backend workflow drafts, acceptance criteria, and multi-agent coordination patterns.
  • Structured a technical writing matrix for protocols, blueprints, coordinator logic, agent setup, tool usage, workflow improvements, and acceptance workflows.
Agentic SystemsWorkflow ArchitectureProtocolsTechnical Writing

Apple Swift Student Challenge 2026 Winner

  • Built an interactive learning project explaining Independent Component Analysis through mathematical, visual, and audio-based interactions.
  • Combined Swift/SwiftUI implementation with linear algebra, signal separation, interface design, and original audio-system work.
SwiftSwiftUILinear AlgebraICAAudio Interaction

UofT research project · MNIST · statistical structure

  • Explored structural linear dependencies in handwritten digits using dimensionality reduction and statistical analysis of geometric digit fragments.
  • Implemented experiments using Python, NumPy, scikit-learn, PCA, and linear-algebra workflows to study reproducible structure in MNIST digit data.
  • Maintained supporting GitHub materials and an essay write-up for reproducible review.
PythonNumPyscikit-learnPCALinear Algebra

Interactive public-data dashboard · technical lead

  • Led lifecycle development of an interactive dashboard visualizing Toronto housing disparities using census-related datasets.
  • Engineered data-cleaning and harmonization workflows for disjoint variables across 2016–2021 datasets.
RShinyData WranglingVisualization

Open-source audio asset manager

  • Built a local audio sample and MIDI management tool using Python, SQLite, and PyQt for sorting and managing large-scale audio libraries.
  • Designed file traversal and organization workflows for local-first creative asset management.
PythonSQLitePyQtAudio ToolingLocal-first Software

Education

University of Toronto St. George

AUG 2021 — AUG 2026

Honours Bachelor of Science · ASSPE1890 Mathematics & Its Applications Specialist (Probability/Statistics) Specialist

  • Academic focus: probability, statistics, optimization, algorithm design, data modeling, linear algebra, and applied mathematical methods.
  • Expected graduation: Aug 2026.

Awards

Swift Student Challenge 2026 Winner

MAR 2026

Apple · associated with University of Toronto

  • Recognized for Harmonic Convergence, an interactive Swift project explaining Independent Component Analysis through accessible mathematical and audio-visual interaction.