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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Derek Li - Portfolio</title>
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link
href="https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600&family=IBM+Plex+Sans:wght@300;400;500&display=swap"
rel="stylesheet"
/>
<link rel="stylesheet" href="styles.css" />
</head>
<body>
<div class="page">
<header class="hero">
<div class="hero-text">
<p class="eyebrow">Portfolio</p>
<h1>Derek Li</h1>
<div class="lead">
<p>Full stack designer-engineer who happens to not suck at product management.</p>
<p>
I ask tough questions, offer practical solutions, and try not to
<a
href="https://www.amazon.com/How-Lie-Statistics-Darrell-Huff/dp/0393310728/"
target="_blank"
rel="noreferrer"
>
lie with data
</a>
.
</p>
</div>
<div class="link-row">
<a href="https://www.linkedin.com/in/wenyangli/" target="_blank" rel="noreferrer">
LinkedIn
</a>
<span class="divider">|</span>
<a href="https://github.com/derek1ee" target="_blank" rel="noreferrer">
GitHub
</a>
</div>
</div>
</header>
<main>
<section class="section" id="professional-work">
<div class="section-header">
<h2>Professional Work</h2>
<p>Selected shipped experiences across developer and cloud tooling.</p>
</div>
<article class="project-card" style="--delay: 0ms;">
<div class="project-header">
<h3>Confluent for VS Code Extension</h3>
<p class="project-meta">Senior Product Manager, Confluent - 2023 to Current</p>
</div>
<ul class="project-notes">
<li>
Working on the Confluent VS Code extension, built it from the ground up to bring
the best developer experience and meet developers where they are.
</li>
<li>
Integrated GitHub Copilot by providing Kafka and Confluent context plus specialized
tools so the LLM can assist with intent-aware workflows.
</li>
</ul>
<div class="media-grid media-grid-2x2">
<figure class="media-shot landscape">
<img
src="assets/confluent-vscode/copilot.png"
alt="Confluent for VS Code Copilot workflow"
loading="lazy"
/>
</figure>
<figure class="media-shot landscape">
<img
src="assets/confluent-vscode/message-viewer.png"
alt="Confluent for VS Code message viewer"
loading="lazy"
/>
</figure>
</div>
<div class="media-grid media-grid-video">
<figure class="media-shot landscape">
<div class="video-embed">
<iframe
src="https://www.youtube-nocookie.com/embed/ctbVF7Y6tAY?rel=0"
title="Confluent for VS Code Extension walkthrough"
frameborder="0"
allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
referrerpolicy="strict-origin-when-cross-origin"
allowfullscreen
loading="lazy"
></iframe>
</div>
</figure>
</div>
</article>
<article class="project-card" style="--delay: 90ms;">
<div class="project-header">
<h3>Azure Logic Apps Visual Designer</h3>
<p class="project-meta">Senior Product Manager, Microsoft - 2012 to 2023</p>
</div>
<ul class="project-notes">
<li>
Product owner for Azure Logic Apps developer experience. Led the redesign of the
visual designer with brand new interaction, visual design, and a scalable framework
based on React Flow.
</li>
<li>
Designed and shipped features such as smart recommendations based on GPT-2.5,
VS Code integrations for DevOps flow, and inline JavaScript code execution for
advanced workloads.
</li>
</ul>
<div class="media-grid media-grid-2x2">
<figure class="media-shot landscape">
<img
src="assets/logic-apps/designer.png"
alt="Azure Logic Apps visual designer canvas"
loading="lazy"
/>
</figure>
<figure class="media-shot landscape">
<img
src="assets/logic-apps/inline-code.png"
alt="Azure Logic Apps inline code editor"
loading="lazy"
/>
</figure>
</div>
<div class="media-grid media-grid-video">
<figure class="media-shot landscape">
<div class="video-embed">
<iframe
src="https://www.youtube-nocookie.com/embed/Ww7OpXZPYTE?rel=0"
title="Azure Logic Apps Visual Designer overview"
frameborder="0"
allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
referrerpolicy="strict-origin-when-cross-origin"
allowfullscreen
loading="lazy"
></iframe>
</div>
</figure>
<figure class="media-shot landscape">
<div class="video-embed">
<iframe
src="https://www.youtube-nocookie.com/embed/Z3qaBQS0w20?rel=0"
title="Azure Logic Apps Visual Designer deep dive"
frameborder="0"
allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
referrerpolicy="strict-origin-when-cross-origin"
allowfullscreen
loading="lazy"
></iframe>
</div>
</figure>
<figure class="media-shot landscape">
<div class="video-embed">
<iframe
src="https://www.youtube-nocookie.com/embed/t2RqxDtrRjQ?rel=0"
title="Azure Logic Apps runtime and authoring overview"
frameborder="0"
allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
referrerpolicy="strict-origin-when-cross-origin"
allowfullscreen
loading="lazy"
></iframe>
</div>
</figure>
<figure class="media-shot landscape">
<div class="video-embed">
<iframe
src="https://www.youtube-nocookie.com/embed/RicWar3yUvI?rel=0"
title="Azure Logic Apps connectors and integration walkthrough"
frameborder="0"
allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
referrerpolicy="strict-origin-when-cross-origin"
allowfullscreen
loading="lazy"
></iframe>
</div>
</figure>
</div>
</article>
</section>
<section class="section" id="personal-projects">
<div class="section-header">
<h2>Personal Projects</h2>
<p>Independent explorations in AI, creative tooling, and media.</p>
</div>
<article class="project-card" style="--delay: 0ms;">
<div class="project-header">
<h3 class="title-with-badge">
<span class="title-text">Context Lens</span>
<span class="status-badge">Released</span>
</h3>
<p class="project-meta">LLM-assisted recruiting insights</p>
</div>
<ul class="project-notes">
<li>
Chrome extension available on the
<a
href="https://chromewebstore.google.com/detail/context-lens/blkaimffiebmibngfinamacmllopkmob"
target="_blank"
rel="noreferrer"
>
Chrome Web Store
</a>
.
</li>
<li>
Chrome extension activated on LinkedIn profile pages to support HR and hiring
managers.
</li>
<li>
Parses profile data (name, experience, recommendations) to generate summaries,
highlights, concerns, and screening questions.
</li>
<li>
Optional job description input to calculate a role-fit score.
</li>
<li>
Frontend extension with a backend service on ACI that handles LLM calls, rate
limiting, and prompt injection protection.
</li>
</ul>
<p class="ai-note">Built with GitHub Copilot and OpenAI gpt-5 and gpt-5-codex</p>
<div class="media-grid media-grid-2x2">
<figure class="media-shot landscape">
<img
src="assets/context-lens/parse.png"
alt="Context Lens profile parse view"
loading="lazy"
/>
</figure>
<figure class="media-shot landscape">
<img
src="assets/context-lens/result.png"
alt="Context Lens fit score results"
loading="lazy"
/>
</figure>
</div>
</article>
<article class="project-card" style="--delay: 80ms;">
<div class="project-header">
<h3 class="title-with-badge">
<span class="title-text">Color Science Visualization</span>
<span class="status-badge">Released</span>
</h3>
<p class="project-meta">Film color pipelines</p>
</div>
<ul class="project-notes">
<li>
<a href="https://clrviz.com" target="_blank" rel="noreferrer">clrviz.com</a>
helps crews compare how different cinema cameras interpret color so footage matches
across a project.
</li>
<li>
Visualizes camera color science in chromaticity diagrams trusted by Holleywood directors,
cinematographers, and DITs.
</li>
<li>
Supports LUT preview so images can be processed with 3D cube LUTs for before and
after review.
</li>
</ul>
<p class="ai-note">Built with OpenAI gpt-5.1-codex-max</p>
<div class="media-grid media-grid-2x2">
<figure class="media-shot landscape">
<img
src="assets/clrviz/chromaticity.png"
alt="clrviz chromaticity visualization"
loading="lazy"
/>
</figure>
<figure class="media-shot landscape">
<img
src="assets/clrviz/lut-preview.png"
alt="clrviz LUT preview visualization"
loading="lazy"
/>
</figure>
</div>
</article>
<article class="project-card" style="--delay: 160ms;">
<div class="project-header">
<h3 class="title-with-badge">
<span class="title-text">Range Cam</span>
<span class="status-badge">Pilot Testing</span>
</h3>
<p class="project-meta">Computer vision video platform for shooting ranges</p>
</div>
<ul class="project-notes">
<li>
Owned the full stack of a hardware + software system, from Fusion 360 mechanical
design and manufacturing through embedded setup, to software engineering.
</li>
<li>
Dual-camera system per lane: one for the target, one for the booth, creating a
theme-park-style photo experience with safe, full-context range footage.
</li>
<li>
Custom computer vision (OpenCV/YOLO) detects the target per lane, auto-crops,
and adjusts zoom, exposure, and other parameters based on conditions.
</li>
<li>
End-to-end pipeline: range staff control, recording, customer preview, Stripe
payment, and video delivery via custom code.
</li>
</ul>
<p class="ai-note">
Scaffolded with OpenAI OpenAI gpt-5.0, developed with OpenAI gpt-5.0-codex and OpenAI
gpt-5.1-codex-max, with memory leak and performance fixes investigated with Anthropic claude-opus-4.5.
</p>
<div class="media-grid media-grid-2x2">
<figure class="media-shot landscape">
<img
src="assets/range-cam/detection.png"
alt="Range Cam detection view"
loading="lazy"
/>
</figure>
<figure class="media-shot landscape">
<img
src="assets/range-cam/fusion.png"
alt="Range Cam fused camera view"
loading="lazy"
/>
</figure>
<figure class="media-shot landscape">
<img
src="assets/range-cam/frontend.png"
alt="Range Cam web interface"
loading="lazy"
/>
</figure>
<figure class="media-shot landscape">
<img
src="assets/range-cam/hardware.JPG"
alt="Range Cam lane hardware setup"
loading="lazy"
/>
</figure>
</div>
<div class="media-grid media-grid-video">
<figure class="media-shot landscape">
<div class="video-embed">
<iframe
src="https://www.youtube-nocookie.com/embed/np2ywXNbSng?rel=0"
title="Range Cam demo"
frameborder="0"
allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
referrerpolicy="strict-origin-when-cross-origin"
allowfullscreen
loading="lazy"
></iframe>
</div>
</figure>
</div>
</article>
<article class="project-card" style="--delay: 240ms;">
<div class="project-header">
<h3 class="title-with-badge">
<span class="title-text">Azimetria</span>
<span class="status-badge">Released</span>
</h3>
<p class="project-meta">SIGINT for HAM radio and OSINT community</p>
</div>
<ul class="project-notes">
<li>
<a href="https://azimetria.com/" target="_blank" rel="noreferrer">azimetria.com</a>
helps HAM radio and OSINT community with target triangulation.
</li>
<li>
Supports distance estimates/RSSI and azimuth measurements.
</li>
<li>
Real-time, multiplayer collaboration via shared sessions, so distributed teams can
triangulate together.
</li>
</ul>
<p class="ai-note">Built with OpenAI gpt-5.2-codex</p>
<div class="media-grid">
<figure class="media-shot landscape">
<img
src="assets/azimetria/azimetria.png"
alt="Azimetria SIGINT collaboration workspace"
loading="lazy"
/>
</figure>
</div>
</article>
<article class="project-card" style="--delay: 320ms;">
<div class="project-header">
<h3 class="title-with-badge">
<span class="title-text">Alarm Sense</span>
<span class="status-badge">In Development</span>
</h3>
<p class="project-meta">Adaptive iOS alarm experience</p>
</div>
<ul class="project-notes">
<li>
Smart iOS alarm that adjusts wake times based on user-defined conditions like
weather, market events, and daily constraints.
</li>
<li>
Users set earliest/latest wake windows plus conditional rules (sunny run mornings,
market open triggers, or sleep-in defaults).
</li>
<li>
Uses AlarmKit, ActivityKit, and background refresh tasks with backend condition
checks and push notifications for reliable rescheduling.
</li>
</ul>
<p class="ai-note">Interface prototyped with Figma Make. Built with OpenAI gpt-5.2-codex</p>
<div class="media-grid">
<figure class="media-shot portrait">
<img
src="assets/alarm-sense/list.PNG"
alt="Alarm Asense alarm list screen"
loading="lazy"
/>
</figure>
<figure class="media-shot portrait">
<img
src="assets/alarm-sense/edit.PNG"
alt="Alarm Asense alarm edit screen"
loading="lazy"
/>
</figure>
</div>
</article>
<article class="project-card" style="--delay: 400ms;">
<p class="maker-intro">
In my personal time, I design and model in Fusion 360, operate a 4-axis CNC machining
center, lathe, and shaper in my garage shop; on the additive manufacturing side,
I prototype with FDM & SLA printers, and make end-use parts with
Formlabs Fuse 1 / Sift 1 selective laser sintering system in my home office.
</p>
<p class="maker-intro">
I can talk about UX design, cloud architecture, and real-time data streaming, but I
can also spend hours discussing generative design, design-for-manufacturing,
volumetric lattices, and holding sub-thou tolerances and micron-level precision.
</p>
<div class="media-grid media-grid-2x2">
<figure class="media-shot landscape">
<img
src="assets/maker/rail.jpeg"
alt="CNC rail hardware in the garage shop"
loading="lazy"
/>
</figure>
<figure class="media-shot landscape">
<img
src="assets/maker/dual-station.jpeg"
alt="Dual-station workshop setup"
loading="lazy"
/>
</figure>
<figure class="media-shot landscape">
<img
src="assets/maker/fuse.jpeg"
alt="Formlabs Fuse 1 SLS system"
loading="lazy"
/>
</figure>
<figure class="media-shot landscape">
<img
src="assets/maker/sift.jpeg"
alt="Formlabs Sift 1 setup"
loading="lazy"
/>
</figure>
</div>
</article>
</section>
</main>
<footer class="footer">
<p>Available for select collaborations and thoughtful product work.</p>
</footer>
</div>
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