Skip to content
CW

About

Enterprise discipline. Craftsperson’s care.

I am Christian Wallace, a principal software engineer in Lynnwood, Washington. I focus on design systems and AI-assisted delivery, after about 26 years shipping production UI, including independent sites.

Currently

Principal Software Engineer

AT&T · Sep 2023 — Present

Also

Founder, BioBuild Systems

Lynnwood / Seattle area

Lineage

Work history

Roles from the current résumé.

  1. AT&T

    Principal Software Engineer

    Sep 2023 — Present

    Bothell, WA.

    • Ship production React, Angular, and Nx. Lead teams and run scrum as an individual contributor who writes the code.
    • Sole contributor (Feb 2026–) on a ground-up internal design system: generators, agentic AI, hooks, skills, and loops. Rebuilt the site.
    • Shipped MCP tooling for components and AI tools, plus a frontend for one-shot branded interactive AI prototypes.
    • Raised shipping velocity from 5-10 PRs a month to 40.
  2. T-Mobile

    Front End Developer IV

    2020 — Sep 2023

    Bellevue, WA. Consumer design system team.

    • Design system for T-Mobile and Metro: responsive, accessible, reusable components with docs and usage examples (HTML/CSS, Web Components, React, Angular, Node).
    • Built core components and helped the AEM team make headless core components.
    • Created a Metro theme so Metro by T-Mobile could reuse the same component set.
    • Built a cross-platform color token tool that outputs tokens for iOS, Android, and web.
  3. Winshuttle

    Senior Software Engineer

    2017–2019

    Bothell, WA. Built the front-end stack from scratch (React, Redux). Hiring manager for front-end and UI/UX; ran agile ceremonies.

  4. Microsoft

    Senior Web Application Developer

    2017

    Redmond, WA. Xbox executive dashboards: 20 dashboards in about 1.5 months via a modular, data-driven AngularJS approach.

  5. UnitedHealth Group

    OptumCare

    Senior Web Application Developer

    2015–2017

    Bothell, WA. Front end of the OptumCare Provider Portal (HTML5, SASS, Angular) across local and remote agile teams.

  6. McGraw-Hill Education

    Senior Interactive Engineer

    2012–2015

    Bothell, WA. HTML5 interactive learning (replacing Flash), real-time authoring, and data-driven dashboards.

  7. Amazon.com

    Kindle Fire

    Senior Front-End Web Designer/Developer

    2011–2012

    Seattle, WA. Hand-coded HTML/CSS for Kindle Fire under tight deadlines.

  8. Fusion Partners LLC

    Web Director

    2003–2011

    Seattle, WA. Client web and CMS work for Northwest builders. A Seattle Housing Authority campaign sold 19 homes opening weekend.

Disciplines

  • 01

    Web design

    Layout, type, and visual systems that make a brand legible in seconds.

  • 02

    Frontend craft

    Production React and TypeScript, accessible and fast by default.

  • 03

    Motion

    Movement that guides attention, not decoration for its own sake.

Study

Formal coursework, as printed on the résumé.

Hello

Want to talk?

Send a note or email. I read every message and reply myself.