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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="Chay Choong's personal site">
<title>chay.dev</title>
<!--
landing style inspired by https://tinygrad.org
content style inspired by https://sukima.github.io/hackcss-ext
-->
<style>
@font-face {
font-family: 'Opus One';
src: url(OpusOneVF.woff2) format('woff2');
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/* @import url('https://unpkg.com/@catppuccin/palette/css/catppuccin.css'); */
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font-size: 16px;
font-family: Opus One, monospace;
text-rendering: geometricPrecision;
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strong>a {
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weak {
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cursor: pointer;
color: var(--color-accent);
text-decoration: none;
border-bottom: 1px solid var(--color-light);
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a:hover {
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h1,
h2 {
font-size: 1rem;
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h1 {
display: table-cell;
overflow: hidden;
margin: 0;
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content: "=================";
position: absolute;
bottom: 10px;
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margin: 4rem 0 0 0;
color: var(--color-h2);
}
h2:before {
content: "## "
}
ul {
margin: 20px 0;
padding: 0;
}
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display: block;
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.main {
margin: 0 auto;
padding: 0 1rem;
max-width: 70rem;
}
.intro li {
margin-bottom: 2em;
}
</style>
</head>
<body>
<div class="landing">
<div class="ascii-container">
<!-- Generated using https://patorjk.com/software/taag/#p=display&f=ANSI%20Shadow&t=chay -->
<pre>
██████╗██╗ ██╗ █████╗ ██╗ ██╗
██╔════╝██║ ██║██╔══██╗╚██╗ ██╔╝
██║ ███████║███████║ ╚████╔╝
██║ ██╔══██║██╔══██║ ╚██╔╝
╚██████╗██║ ██║██║ ██║ ██║
╚═════╝╚═╝ ╚═╝╚═╝ ╚═╝ ╚═╝
</pre>
</div>
<div>
<a href="#bio">bio</a>
<span class="separator">|</span>
<a href="https://blog.chay.dev">blog</a>
<span class="separator">|</span>
<a href="https://linkedin.com/in/chaychoong" target="_blank">linkedin</a>
</div>
</div>
<div class="main">
<div>
<div id="bio">
<h1>Bio</h1>
<p>I'm a <span class="text-var1">Software</span> Engineer! Sometimes I replace <span
class="text-var1">Software</span> with either <span class="text-var2">Platform</span>, <span
class="text-var2">DevOps</span>, <span class="text-var2">Site Reliability</span>, <span
class="text-var2">Infrastructure</span>, or <span class="text-var2">Backend</span>, depending on who I'm
talking to.</p>
<p>Some things about me:</p>
<ul class="intro">
<li>
I currently work at <a href="https://bifrost.ai/" target="_blank">Bifrost</a>, a startup that specialises in
creating realistic digital worlds using 3D software, with a dash of AI. If you want to know more about what
I do at work, check out my <a href="#resume">resume</a>.
</li>
<li>
I have a <a href="https://istd.sutd.edu.sg/education/undergraduate/curriculum-overview" target="_blank">BEng
in
Computer Science and Design</a> from SUTD, and I'm currently
pursuing a <a href="https://omscs.gatech.edu" target="_blank">MS in Computer Science</a> from Georgia Tech.
</li>
<li>
I enjoy tinkering with my dev setup. I use split ortho keyboards, polish my neovim configs every now
and then, distro-hop for fun, and practise hype-driven development on my homelab, which is currently
managed by a Nix setup that I'm rather fond of.
</li>
<li>
I dabble in classical music. I have helped organise Wagner operas with the <a href="https://orchestra.sg"
target="_blank">Orchestra of the Music Makers</a>, high-fived Martha Argerich for sharing
the same birthday, and automated backend processes for TwoSet Violin. I also occasionally play the viola
in Singapore-based community orchestras, and practise piano duets with my wife.
</li>
<li>
I love gaming! I've sunk more than 4000 hours in Dota, religiously purchase every generation of
Pokémon games, and consider BotW/TotK to be the best games ever.
</li>
</ul>
</div>
<hr />
<div id="resume">
<h1>Resume</h1>
<p>I have 7+ years of experience in designing and writing software. I have experience across the full stack, but
lean towards backend and infrastructure.</p>
<div id="work">
<h2>Work</h2>
<ul>
<li><a href="https://bifrost.ai" target="_blank"><strong>Bifrost</strong></a>
<ul>
<li>
<strong>Platform Engineer</strong><br />
<weak>Jan 2022 - now</weak>
<p>Good data is needed for creating good ML models, but they can be hard to obtain. Bifrost uses 3D
graphics to generate visual synthetic data for training specialised computer vision models.
<br /><br />
We have a diverse tech stack, including webapps, 3D applications (Unreal, Blender, Houdini),
streaming servers, ML pipelines; I design how everything is pieced together.
</p>
</li>
</ul>
</li>
<li><a href="https://motional.com" target="_blank"><strong>Motional</strong></a>
<ul>
<li>
<strong>Site Reliability Engineer</strong><br />
<weak>May 2020 - Jan 2022</weak>
<p>At some point, Motional became big enough to warrant the creation of an SRE team. I helped create a
central monitoring stack and standardise observability practices across all engineering teams.
<br /><br />
I also managed several Kubernetes clusters and hundreds of AWS accounts.
</p>
</li>
<li>
<strong>Backend Engineer</strong><br />
<weak>May 2018 - May 2020</weak>
<p>Autonomous vehicles encounter unexpected events all the time, so the Fleet team created a <a
href="https://motional.com/news/controlling-fleet-motionals-command-center-gives-detailed-glimpse-av-performance"
target="_blank">Command
Center</a> to keep an eye on them and troubleshoot them when they misbehave. I was their first
backend engineer, and grew it from a simple monitoring tool into a full fleet management
platform.
<br /><br />
It later became a key asset for our commerical ventures: I worked with engineers from <a
href="https://www.forbes.com/sites/samabuelsamid/2022/10/06/motional-and-uber-announce-10-year-deal-to-deploy-automated-vehicles-in-multiple-us-markets/"
target="_blank">Uber</a>,
<a href="https://www.aptiv.com/en/newsroom/article/aptiv-launches-fleet-of-autonomous-vehicles-on-the-lyft-network"
target="_blank">Lyft</a>,
and <a
href="https://techcrunch.com/2020/10/27/via-and-hyundai-aptiv-joint-venture-to-offer-shared-robotaxi-rides-next-year/"
target="_blank">Via</a>
to integrate our robotaxis into their networks.
</p>
</li>
</ul>
</li>
<li><a href="https://arup.com" target="_blank"><strong>Arup</strong></a>
<ul>
<li>
<strong>Digital Consultant</strong><br />
<weak>Sept 2017 - May 2018</weak>
<p>Arup started an internal digital transformation movement, and employees with cool ideas were given
budget and time to work on them. I helped many teams from the Consulting group turn their ideas into
reality.
<br /><br />
My favourite project involved modelling the <a
href="https://www.arup.com/news/arup-brings-design-to-life-with-industry-first-immersive-facility/"
target="_blank">ExperienceLab</a>
in VR to convince the MD that it would be worth the investment. It was.
</p>
</li>
</ul>
</li>
</ul>
</div>
<div id="education">
<h2>Education</h2>
<ul>
<li><a href="https://www.gatech.edu/" target="_blank"><strong>Georgia Institute of Technology</strong></a>
<ul>
<li><strong>MS Computer Science</strong><br />
<weak>Aug 2023 - now</weak>
</li>
</ul>
</li>
<li><a href="https://www.sutd.edu.sg/" target="_blank"><strong>Singapore University of Technology and
Design</strong></a>
<ul>
<li><strong>BEng Computer Science and Design</strong><br />
<weak>May 2014 - Sept 2017</weak>
<p>I was president of the student government and TA-ed several courses.</p>
</li>
</ul>
</li>
</ul>
</div>
<div id="volunteering">
<h2>Volunteering</h2>
<ul>
<li><a href="https://orchestra.sg" target="_blank"><strong>Orchestra of the Music Makers</strong></a>
<ul>
<li><strong>Tech Lead</strong><br />
<weak>Nov 2019 - now</weak>
<p>I build tools to improve orchestra management workflows.</p>
</li>
<li><strong>Board Member</strong><br />
<weak>Nov 2020 - Oct 2023</weak>
<p>I supported administrative and concert operations.</p>
</li>
</ul>
</li>
<li><a href="https://www.tpo.org.sg/" target="_blank"><strong>The Philharmonic Orchestra</strong></a>
<ul>
<li><strong>Orchestra Management</strong><br />
<weak>Sept 2018 - Nov 2019</weak>
<p>I recruited a new management committee and led several projects.</p>
</li>
</ul>
</li>
<li><strong><a href="https://www.sutd.edu.sg/" target="_blank">Singapore University of Technology and
Design</a></strong>
<ul>
<li><strong>ISTD Alumni Advisory Board Chair</strong><br />
<weak>July 2024 - now</weak>
<p>I recruited members for the board.</p>
</li>
<li><strong>Alumni Association Secretary</strong><br />
<weak>Jan 2019 - Sept 2019</weak>
<p>I assembled the founding committee and led the pilot fundraiser, which raised $100,000.</p>
</li>
</ul>
</li>
</ul>
</div>
<div id="skills">
<h2>Skills</h2>
<ul>
<li><strong>Languages</strong>
<ul>
<li><strong>Used these for work</strong>: python, golang, c#, sql, bash, [html, css, js/ts]</li>
<li><strong>Used these for studies</strong>: java, c, c++</li>
<li><strong>Used these for side projects</strong>: elixir, rust</li>
</ul>
</li>
<li><strong>Dev</strong>
<ul>
<li><strong>Backend</strong>: express, flask, fastapi, litestar, go-chi</li>
<li><strong>Frontend</strong>: htmx, react</li>
<li><strong>Fullstack</strong>: phoenix</li>
<li><strong>Linux</strong>: ubuntu, nixos</li>
<li><strong>VCS</strong>: git, jujutsu, perforce</li>
<li><strong>Database</strong>: postgres, dynamodb</li>
<li><strong>Workflow orchestration</strong>: airflow, argo, temporal</li>
</ul>
</li>
<li><strong>Ops</strong>
<ul>
<li><strong>Cloud</strong>: aws, gcp, digital ocean</li>
<li><strong>Workload orchestration</strong>: kubernetes, nomad</li>
<li><strong>Infra-as-code</strong>: ansible, terraform, helm, pkl, nix</li>
<li><strong>Virtualisation</strong>: proxmox, hyper-v</li>
<li><strong>Networking</strong>: opnsense, wireguard</li>
<li><strong>CI/CD</strong>: argocd, gitlab cicd, github actions</li>
<li><strong>Observability</strong>: vector, grafana, prometheus, victoriametrics, honeycomb</li>
</ul>
</li>
</ul>
</div>
</div>
</div>
</div>
</body>
</html>