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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="" >
<head>
<meta charset="utf-8" />
<meta name="generator" content="pandoc" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
<title>Tomoaki Kobayashi – About</title>
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<link rel="stylesheet" href="style.css" />
</head>
<body>
<header>
<table border="1" style="display: table">
<tr>
<td height="100" style="width: 60%">
<h1 class="title" style="margin:0px 0px 0px 0px;">Tomoaki Kobayashi</h1>
</td>
<td style="width: 40%">
<nav>
<a class="active" href="./index.html">
About
</a>
<a class="" href="./oss.html">
OSS
</a>
<a class="" href="./research.html">
Research
</a>
<!-- <a class="" href="./posts.html">
Posts
</a> -->
</nav>
</td>
</tr>
</table>
</header>
<div id="title-block-header" style="text-align: center;">
<h1 class="title">About</h1>
<p class="date">2nd Apr 2025</p>
</div>
<nav id="TOC" role="doc-toc">
<ul>
<li><a href="#overview" id="toc-overview"><span
class="toc-section-number">1</span> Overview</a></li>
<li><a href="#experience" id="toc-experience"><span
class="toc-section-number">2</span> Experience</a></li>
<li><a href="#academic" id="toc-academic"><span
class="toc-section-number">3</span> Academic</a>
<ul>
<li><a href="#education" id="toc-education"><span
class="toc-section-number">3.1</span> Education</a></li>
<li><a href="#publications" id="toc-publications"><span
class="toc-section-number">3.2</span> Publications</a></li>
<li><a href="#awards" id="toc-awards"><span
class="toc-section-number">3.3</span> Awards</a></li>
<li><a href="#grants" id="toc-grants"><span
class="toc-section-number">3.4</span> Grants</a></li>
</ul></li>
<li><a href="#skills-and-tools" id="toc-skills-and-tools"><span
class="toc-section-number">4</span> Skills and Tools</a>
<ul>
<li><a href="#professional-experience"
id="toc-professional-experience"><span
class="toc-section-number">4.0.1</span> Professional
Experience</a></li>
<li><a href="#all-in-all" id="toc-all-in-all"><span
class="toc-section-number">4.0.2</span> All in All</a></li>
</ul></li>
</ul>
</nav>
<div class="body-block">
<h1 data-number="1" id="overview"><span
class="header-section-number">1</span> Overview</h1>
<div class="container">
<!-- <img src="https://moatom.github.io/profile/static/icon.png" alt="icon" width="100px"
style="margin-left: 20pt; margin-right: 20pt;" /> -->
<img src="./static/me.jpg" alt="icon" class="image"/>
<!-- <img src="./static/me.jpg" alt="icon" width="250px"
style="margin-left: 20pt; margin-right: 20pt;" /> -->
<div class="text">
<p><strong>My name is Tomoaki KOBAYASHI.</strong></p>
<p><strong>Nice to meet you! 🤗</strong></p>
<ul>
<li>SNS
<ul>
<li><a href="https://twitter.com/moatom">X</a></li>
<li><a href="https://github.com/moatom">GitHub</a></li>
<li><a href="https://gist.github.com/moatom">Gist</a></li>
</ul></li>
<li>JPN
<ul>
<li><a href="https://moatom.blogspot.com/">Blog</a></li>
<li><a href="https://qiita.com/moatom">Qiita</a></li>
</ul></li>
<li>Misc.
<ul>
<li><a href="https://orcid.org/0009-0006-7147-9997">ORCID:
0009-0006-7147-9997</a>
<!-- - **[Quora](https://www.quora.com/profile/Tomoaki-Kobayashi-1)** --></li>
</ul></li>
</ul>
<p>I am a software engineer (mainly writing Scala for my job) with
strong interest in research on software.</p>
<p>My research interests focus on theoretical foundations of
software and the application of them, especially in the following
fields:</p>
<ul>
<li>Programming languages</li>
<li>(Moderately) Functional programming</li>
<li>Embedded domain-specific languages, code generation,
metaprogramming, partial evaluation</li>
</ul>
<p>My main research work is about <a
href="https://strymonas.github.io/">strymonas</a>—a lightweight
declarative stream processing library which proposes <em>complete
stream fusion</em>; its processing runs in constant memory!</p>
<p>My vision is to provide solutions to real-world problems of
software through these techniques. Software is often too fragile,
and maintaining it consumes a tremendous amount of the world’s
resources unnecessarily. To protect humanity’s productivity, I will
lead the way in making software robust and resilient.</p>
</div>
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</div>
<h1 data-number="2" id="experience"><span
class="header-section-number">2</span> Experience</h1>
<div class="uooo">
<table>
<colgroup>
<col style="width: 60%" />
<col style="width: 40%" />
</colgroup>
<thead>
<tr>
<th style="text-align: center;">Year</th>
<th style="text-align: right;">Company / Job</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: center;">2024–Present</td>
<td style="text-align: right;"><a
href="https://jp.linkedin.com/company/microad-inc-">MicroAd,
Inc.</a> / Junior Software Engineer<a href="#fn1"
class="footnote-ref" id="fnref1"
role="doc-noteref"><sup>1</sup></a></td>
</tr>
</tbody>
</table>
<style>
.uooo > table{
display: table;
}
.uooo col {
width: auto !important;
}
</style>
</div>
<h1 data-number="3" id="academic"><span
class="header-section-number">3</span> Academic</h1>
<h2 data-number="3.1" id="education"><span
class="header-section-number">3.1</span> Education</h2>
<div class="uooo">
<table>
<colgroup>
<col style="width: 60%" />
<col style="width: 40%" />
</colgroup>
<thead>
<tr>
<th style="text-align: center;">Year</th>
<th style="text-align: right;">Degree</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: center;">2022–2024</td>
<td style="text-align: right;"><strong>Master of Information
Sciences in CS</strong>, Tohoku University<br><small>GPA: 3.8<a
href="#fn2" class="footnote-ref" id="fnref2"
role="doc-noteref"><sup>2</sup></a>/4.0, Advisor: <a
href="https://www.kb.ecei.tohoku.ac.jp/~sumii/">Eijiro Sumii</a>,
Thesis Advisor: <a href="https://okmij.org/ftp/">Oleg
Kiselyov</a></small></td>
</tr>
<tr>
<td style="text-align: center;">2018–2022</td>
<td style="text-align: right;"><strong>Bachelor of Engineering in
CS</strong>, Tohoku University<br><small>Major GPA: 3.73<a
href="#fn3" class="footnote-ref" id="fnref3"
role="doc-noteref"><sup>3</sup></a>/4.0, Advisor: <a
href="https://www.kb.ecei.tohoku.ac.jp/~sumii/">Eijiro Sumii</a>,
Thesis Advisor: <a href="https://okmij.org/ftp/">Oleg
Kiselyov</a></small></td>
</tr>
<tr>
<td style="text-align: center;">2014–2015</td>
<td style="text-align: right;"><strong>Dropout</strong><a
href="#fn4" class="footnote-ref" id="fnref4"
role="doc-noteref"><sup>4</sup></a>, <em>An evening high
school</em></td>
</tr>
</tbody>
</table>
<!-- 2015 | Pass the Upper Secondary School Equivalency Examination -->
<!-- https://github.com/jgm/pandoc/issues/8139 -->
<style>
.uooo > table{
display: table;
}
.uooo col {
width: auto !important;
}
</style>
</div>
<!-- Detail: **[CV (pdf)](https://moatom.github.io/profile/static/cv-pub.pdf)** -->
<h2 data-number="3.2" id="publications"><span
class="header-section-number">3.2</span> Publications</h2>
<p>Only international publications are listed here:</p>
<div id="refs-moatom" class="references csl-bib-body"
data-entry-spacing="0" role="list">
<div id="ref-strymonas-OCaml22" class="csl-entry" role="listitem">
<div class="csl-left-margin">[1] </div><div
class="csl-right-inline"><div class="csl-block">Kiselyov, O.,
<strong>Kobayashi, T.</strong>, Biboudis, A. and Palladinos, N.
</div><div class="csl-block"><a
href="https://arxiv.org/abs/2211.13461">Highest-performance stream
processing</a>. <div class="csl-block">ACM SIGPLAN OCaml Workshop
2022.</div></div></div>
</div>
<div id="ref-strymonas-PEPM24" class="csl-entry" role="listitem">
<div class="csl-left-margin">[2] </div><div
class="csl-right-inline"><div class="csl-block"><strong>Kobayashi,
T.</strong> and Kiselyov, O. </div><div class="csl-block"><a
href="https://doi.org/10.1145/3635800.3636962">Complete stream
fusion for software-defined radio</a>. <div class="csl-block">In
<em>Proceedings of the 2024 <span>ACM</span> <span>SIGPLAN</span>
international workshop on partial evaluation and program
manipulation</em>. pages 57–69.</div></div><div
class="csl-block"><div class="csl-right-inline">-
<strong>Distinguished Papar Award 🎉</strong></div><div
class="csl-right-inline">- There is a typo in p.62;
<span>s/<span>“reduce trep”</span>/<span>“dot
trep”</span>/g</span>.</div></div></div>
</div>
</div>
<h2 data-number="3.3" id="awards"><span
class="header-section-number">3.3</span> Awards</h2>
<div class="uooo">
<table>
<colgroup>
<col style="width: 60%" />
<col style="width: 40%" />
</colgroup>
<thead>
<tr>
<th style="text-align: center;">Year</th>
<th style="text-align: right;">Award</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: center;">2024</td>
<td style="text-align: right;">ACM SIGPLAN PEPM 2024 Distinguished
Paper Award (<a href="./static/award-pepm24.jpeg">image</a>)</td>
</tr>
<tr>
<td style="text-align: center;">2020</td>
<td style="text-align: right;">[JPN] JSSST 2020 Best Presentation
Award (<a href="./static/award-jssst20.jpeg">image</a>)</td>
</tr>
</tbody>
</table>
<style>
.uooo > table{
display: table;
}
.uooo col {
width: auto !important;
}
</style>
</div>
<h2 data-number="3.4" id="grants"><span
class="header-section-number">3.4</span> Grants</h2>
<ul>
<li><a href="https://pac.sigplan.org/">ACM SIGPLAN Professional
Activities Committee (PAC) Funding</a> 2024: $1500</li>
</ul>
<h1 data-number="4" id="skills-and-tools"><span
class="header-section-number">4</span> Skills and Tools</h1>
<h3 data-number="4.0.1" id="professional-experience"><span
class="header-section-number">4.0.1</span> Professional
Experience</h3>
<ul>
<li>Scala, Python</li>
<li>GitHub Enterprise, Makefile, Docker, Ansible, Jenkins</li>
<li>Protocol Buffers, Niginx, MySQL, Redis, Akka, Apache Spark</li>
<li>on-prem environment</li>
</ul>
<h3 data-number="4.0.2" id="all-in-all"><span
class="header-section-number">4.0.2</span> All in All</h3>
<ul>
<li>Main Languages: Scala, OCaml, C, Python, JavaScript/Vue
<ul>
<li>Sub Languages: Kotlin, C++, Rust, Lua, Java</li>
</ul></li>
<li>Git, LaTex, Valgrind, GitHub Actions</li>
</ul>
<section id="footnotes" class="footnotes footnotes-end-of-document"
role="doc-endnotes">
<hr />
<ol>
<li id="fn1"><p>I primarily work on developing an auction-based
internet advertising delivery system, commonly known as Real-Time
Bidding (RTB). I have ever recieved monthly MVP twice (￥50 k/MVP)
in the Software Development Team<a href="#fnref1"
class="footnote-back" role="doc-backlink">↩︎</a></p></li>
<li id="fn2"><p>Please note that GPAs tend to be graded strictly in
Japan. As a side note, I was exempted from the written exam when I
entered the graduate school.<a href="#fnref2" class="footnote-back"
role="doc-backlink">↩︎</a></p></li>
<li id="fn3"><p>The same as 1.<a href="#fnref3"
class="footnote-back" role="doc-backlink">↩︎</a></p></li>
<li id="fn4"><p>Instead, I earned a high school equivalency diploma
issued by the Japanese government. <em>It was pretty scary at the
time, but looking back, it was one of the best decisions I ever
made.</em><a href="#fnref4" class="footnote-back"
role="doc-backlink">↩︎</a></p></li>
</ol>
</section>
</div>
<footer>
<p>© 2025 Tomoaki Kobayashi, CC BY 4.0</p>
</footer>
</body>
</html>