Grant Keller headshot
Operative

Grant Keller

Assignment UX/Design Engineer Territory Los Angeles CA, USA

Deep space deep sea   and everywhere in between

Frontend architecture  for   ambitious ideas

Currently Building

Offline Background Remover

macOS

React / Rust / Tauri / CoreML

On-device AI segmentation models with fine-grain controls. CoreML-optimized ONNX inference pipeline.

Featured Work

New York Post

New York Post
3 91  million
monthly pageviews
65  million
unique visitors

Senior User Experience Developer ᠅ Alley Interactive

Primary development team for all NYP digital properties, working directly with editorial stakeholders.

Delivered UX improvements at massive scale on a custom enterprise stack hosted on WordPress VIP. Built custom Gutenberg blocks, crafted responsive SCSS component styles, and maintained the unified theme system serving NYP, Page Six, and Decider.

  • Component styling & responsive layouts
  • Editorial workflow improvements
  • Performance optimization
  • WCAG accessibility compliance

Technologies:

  • WordPress
  • React
  • Typescript
  • SCSS
  • PHP

Skills

Core Expertise

  • TypeScript
  • React
  • SCSS / Tailwind
  • Accessibility
  • GSAP
  • Node.js
  • Information Architecture
  • Performance Optimization
Full Loadout

::: Javascript

  • Typescript
  • React 19
  • React Native / Expo
  • Astro / Gatsby
  • Express / Fastify
  • Next.js
  • ThreeJS

::: CSS

  • Sass / SCSS
  • Advanced CSS Animations
  • Semantic Systems
  • BEM / Component Systems
  • Vite / Turbo / Webpack
  • Responsive at all sizes
  • Cross-browser compatibility

::: HTML

  • Information Architecture (IA)
  • Technical SEO
  • Core Web Vitals
  • Analytics (GA4, Custom)
  • Google Ads / Adslot
  • CRO / Heatmaps / A/B Testing

::: WordPress / PHP

  • Custom themes & plugins
  • WordPress VIP hosting
  • Advanced Custom Fields
  • WooCommerce
  • Custom membership systems
  • WP-specific performance

::: Python

  • Stable Diffusion / Comfy UI
  • Computer Vision / OpenCV
  • Tensorflow / PyTorch
  • Flask
  • Tkinter / Qt
  • PyInstaller / Portable Binaries

::: C++

  • ESP32 / Espressif
  • Arduino Ecosystem
  • PlatformIO
  • OTA Updates
  • Captive WiFi portal
  • LEDs & peripherals

Experience

  • Lead Software Engineer

    Davant Systems

    -

    Skills: 

    • React
    • Typescript
    • Node
    • Stable Diffusion
    • Claude Code
    • Python
    • AWS

    Building next-generation software for professional visual creatives powered by Stable Diffusion AI.

    • Python GUI application using tkinter, QT
    • Wrote extensive integration with Stable Diffusion engine via APIs, with QoL UX
    • One-click download and install Stable Diffusion engine on PC & Mac
    • Built custom, 100% portable Stable Diffusion python bundles for all platforms. The user’s machine needs nothing - they just need the Davant Studio software
    • Created custom build pipeline for one codebase to create distributables for all target platforms
  • Senior User Experience Developer

    Alley Interactive

    -

    Skills: 

    • Accessibility
    • React
    • Typescript
    • WordPress
    • CSS/SCSS
    • PHP
    • Gutenberg

    Led frontend development for high-profile editorial and museum clients in a scrum environment.

    Worked directly with stakeholders to identify priorities and deliver solutions. Focused on UX best practices, WCAG 2.1 accessibility, and performance optimization.

    • Shipped code daily to 390M+ monthly pageviews across NY Post properties on WordPress VIP
    • Built custom Gutenberg blocks to improve editorial workflows and content creation UX
    • Contributed to unified theme system serving NYP, Page Six, and Decider
    • Developed team planning processes that improved velocity and delivery
    • Led company’s Accessibility Community of Practice
    • Mentored junior developers and participated in hiring
  • Frontend Web Developer

    Studio 3 Marketing

    -

    Skills: 

    • PHP
    • CSS/SCSS
    • GSAP
    • Performance
    • Accessibility
    • Datto CMS

    Built websites for luxury medical and legal clients in a fast-paced agency environment.

    • Achieved perfect 100s on Google Lighthouse across multiple client sites
    • Built CLI tools to batch-process image galleries with 1,000+ photos
    • Led implementation of custom GSAP animations for premium user experiences
    • Built reusable component library for in-house CMS
    • Trusted to develop the website for sister company Studio 3 Enterprise
  • WordPress Developer & Strategist

    Keller Digital

    -

    Skills: 

    • WordPress
    • PHP
    • jQuery
    • CSS
    • Project Management
    • Client Relations

    Lead 3-person agency handling development, design, and client strategy.

    • LA Dept. of Public Health: Curricula management for 29,000+ students across 60+ LA schools
    • NorCal POCIS (Nonprofit): Jobs board connecting faculty at 66+ Bay Area schools
    • Dun & Bradstreet: Identify editorial friction and deliver strategic site improvements
    • Hawke Media: Optimize web performance and user experience for end-clients

Projects

  • Embedded Software Engineer

    MiniPulse Realtime Satellite Data Visualizer

    NASA Jet Propulsion Laboratory

    -

    Skills: 

    • C++
    • ESP32
    • XML APIs
    • WS2812B LEDs
    • FastLED
    • Wifi AP

    Worked with Stratin Engineering and JPL’s Dan Goods to build an LED visual installation that displays Deep Space Network spacecraft data in real time.

    On display at: The Studio at JPL, Emporia State University’s Peterson Planetarium, Goldstone Deep Space Communications Complex

    More info
    • XML parsing for spacecraft names and data rates
    • NASA mission data scraping to map callsigns
    • 20000+ LEDs at 30 FPS
    • Hand-crafted alphabet character maps
    • 30 animations based on data rate
    • WiFi portal for configuration and OTA updates
    MiniPulse on display at Goldstone Communications Complex
    MiniPulse installation at Peterson Planetarium
    MiniPulse installation at Peterson Planetarium
    MiniPulse installation at Peterson Planetarium

    “With our new PULSE display radiating just outside these doors, we send a message to every student, every visitor, and every dreamer — science lives here, and its heartbeat is at Emporia State University,” Mark Brown, Director of Peterson Planetarium

  • Embedded Software Engineer

    Anglerfish Specimen Exhibit

    Natural History Museum of Los Angeles

    -

    Skills: 

    • C++
    • Arduino
    • I2C Sensor Data
    • Google APIs

    Built a light sensor system for the exhibit of a rare Pacific footballfish specimen.

    The tissue is highly sensitive to light. The ichthyology collection staff needed to limit and track light exposure.

    Publications: Popular Science, Smithsonian, The Guardian, Newsweek, CNN, LA Times, Atlas Obscura

    More info
    • Motion sensor for visitor-activated illumination
    • Continuous light exposure monitoring
    • Real-time data logged for analysis
    • LiDAR scanning for 3D model creation
    • 3D-printed model embedded in signage
    Pacific footballfish specimen preserved in jar

    “It’s one of only about 30 adult female specimens of this species, and having one washed up in this condition is extraordinary.” Dr. William Ludt, NHM Assistant Curator of Ichthyology

    Wide view of illuminated anglerfish display case with motion-activated lighting
    Visitor touching 3D printed tactile model embedded in signage
    Front view showing Arduino sensor system and cabinet controls
    Close-up of Pacific footballfish specimen in exhibition case
    Side angle showing light sensor monitoring equipment

Awards

CGW SIGGRAPH Best of Show

Computer Graphics World

SIGGRAPH Best of Show

Emmy Award

Emmy Awards

Science, Narrative Short

x2
Addy Award

Addy Awards

Best of Show, Editors' Choice

x2
Hackaday Superconference Badge Hacking Prize

Hackaday Supercon

Badge Hacking Prize

Appearances