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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-us" lang="en-us">
<head>
<link href="https://gmpg.org/xfn/11" rel="profile">
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<meta name="generator" content="Hugo 0.124.1">
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<title>Jeffrey Helt</title>
<meta name="description" content="Software Engineer" />
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<body class=" ">
<aside class="sidebar">
<div class="container">
<img id="profile-photo" src="/images/profile-photo.jpeg"/>
<div class="sidebar-about">
<h1 class="site-title">Jeffrey Helt</h1>
<p class="lead">
Software Engineer<br/>
Databricks
</p>
</div>
<div id="icons">
<a id="cv" href="/resume.pdf">
<i class="fa fa-file"></i>
Resume
</a><br/>
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</div>
</aside>
<main class="content container">
<div class="homepage-content">
<p>I am a software engineer at <a href="https://www.databricks.com/">Databricks</a>, working on <a href="https://www.databricks.com/product/delta-live-tables">Delta Live Tables</a>. Previously, I was a PhD student in Computer Science at <a href="https://www.cs.princeton.edu/">Princeton</a>, advised by Professor <a href="https://www.cs.princeton.edu/~wlloyd/">Wyatt Lloyd</a>.</p>
<h2>News</h2>
<p>
<strong>Spring 2024.</strong> I joined Databricks!<br />
<strong>Fall 2023.</strong> TurboDB was accepted to NSDI ‘24! Congrats, Jennifer!<br />
</p>
<h2>Selected Publications</h2>
<ul>
<li>
<strong>TurboDB: Conquering Skewed Workloads by Integrating a Single-Machine Database Into a Distributed Database</strong><br />
Jennifer Lam, Jeffrey Helt, Wyatt Lloyd, Haonan Lu<br />
In Proc. <a href="https://www.usenix.org/conference/nsdi24">21st USENIX Symposium on Networked Systems Design and Implementation</a>, 2024<br />
</li>
<li>
<strong>C5: Cloned Concurrency Control that Always Keeps Up</strong><br />
Jeffrey Helt, Abhinav Sharma, Daniel J. Abadi, Wyatt Lloyd, Jose M. Faleiro<br />
In Proc. <a href="https://vldb.org/2023/">49th International Conference on Very Large Data Bases</a>, 2023<br />
<a href="/papers/helt-c5-2023.pdf">[paper]</a>
<a href="https://arxiv.org/abs/2207.02746">[tech report]</a>
</li>
<li>
<strong>Morty: Scaling Concurrency Control with Re-Execution</strong><br />
Matthew Burke, Florian Suri-Payer, Jeffrey Helt, Lorenzo Alvisi, Natacha Crooks<br />
In Proc. <a href="https://2023.eurosys.org/">18th European Conference on Computer Systems</a>, 2023<br />
<a href="/papers/burke-morty-2023.pdf">[paper]</a>
</li>
<li>
<strong>Regular Sequential Serializability and Regular Sequential Consistency</strong><br />
Jeffrey Helt, Matthew Burke, Amit Levy, Wyatt Lloyd<br />
In Proc. <a href="https://sosp2021.mpi-sws.org/">28th ACM SIGOPS Symposium on Operating Systems Principles</a>, 2021<br />
<a href="/papers/helt-rss-2021.pdf">[paper]</a>
<a href="https://arxiv.org/abs/2109.08930">[tech report]</a>
<a href="/slides/helt-rss-2021-slides.pptx">[slides]</a>
<a href="https://www.youtube.com/watch?v=GauK7QhaAEQ">[talk]</a>
</li>
</ul>
<h2>Teaching</h2>
<ul>
<li>
Instructor for <a href="">CSC-225: C & Systems Programming</a>. Camden County College, Fall 2022.
</li>
<li>
Preceptor for <a href="https://www.cs.princeton.edu/courses/archive/fall22/cos418/">COS 418: Distributed Systems</a> by Wyatt Lloyd. Princeton, Fall 2022.
</li>
<li>
Preceptor for <a href="https://www.cs.princeton.edu/courses/archive/fall20/cos316/">COS 316: Principles of Computer System Design</a> by Amit Levy and Wyatt Lloyd. Princeton, Fall 2020.
</li>
<li>
Preceptor for <a href="https://www.cs.princeton.edu/courses/archive/fall19/cos418/">COS 418: Distributed Systems</a> by Michael J. Freedman and Wyatt Lloyd. Princeton, Fall 2019.
</li>
<li>
Volunteer Teacher for <a href="https://codenation.org/schools/">Intro. to Web Development</a>. Code Nation, Fall 2014–Spring 2016.
</li>
</ul>
</div>
</main>
</body>
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