AM / Independent frontend engineerSan Diego, CA · Open to work

Anthony Marquardt

A specimen of work & practiceWeb · Mobile · Component systems

Design sensibility. Engineering discipline.

The interface
is in the
details.

Frontend engineer with 8+ years of production experience. I build reusable systems and take cross-platform products from prototype to release.

Plate 02 / Two-colour impressionForm & functionAM
7 px
Shift the second impression. A small study in precision.
8+ yearsProduction experience
260K+Extension downloads¹
Web & mobileThrough store release

The working record.

Selected / 01–03
01

Chorus Innovations

Software engineer · Apr 2022–Jan 2023

Reusable React and React Native interfaces for a healthcare platform. TypeScript, Storybook documentation, and Jest tests within a HIPAA-regulated environment.

02

Aspiration

Frontend engineer · Nov 2020–Apr 2022

A credit-card signup funnel, owned from design collaboration to release. Shared foundations for dates, currency, data schemas, and form validation.

03

Poll Everywhere

Software engineer · Nov 2014–May 2017

Cross-application component-library architecture and deployments. Mobile app releases. A Google Slides Chrome extension grown to 260K+ downloads.¹

¹ Historical download figure from the existing portfolio.

Fresh from the press.

Work in progress
I / Contracts & conversation

Banter ↗

An LLM conversation UI with shared contracts connecting a Python probe and Rust spine.

II / Local orchestration

Spark ↗

MLX, llama.cpp, and Ollama runtime orchestration with bounded auto-recovery.

III / Interface vocabulary

Component Library

The React + Tailwind v4 component layer behind Cascade Tree. Pure-SVG charts, panels, badges, and tooltips.

Good work starts
with a conversation.

Correspondence

Available for frontend engineering opportunities.