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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>Resume | Jingming Niu</title>
<link href="https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600&display=swap" rel="stylesheet">
<link href="css/resume.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
</head>
<body>
<div class="header">
<img class="profile" src="images/resume/profile.jpg" />
<div class="name">
<h1>Jingming Niu</h1>
<h2>Technical Lead | Principal Software Engineer</h2>
</div>
<ul class="details">
<li>
<a class="caption" href="mailto:[email protected]">[email protected]</a>
<img class="icon" src="images/resume/email.png" />
</li>
<li>
<a class="caption" href="https://www.linkedin.com/in/jmniu">/in/jmniu</a>
<img class="icon" src="images/resume/linkedin.png" />
</li>
</ul>
</div>
<div class="body">
<div class="section">
<h3>Work Experience</h3>
<a href="https://www.rapidapi.com">
<img src="images/resume/rapid.png" />
</a>
<div class="job">
<div class="company">Rapid</div>
<div class="role">
<div class="title">Principal Software Engineer</div>
<div class="date">August 2022 - May 2023</div>
</div>
</div>
<div class="project">
<div class="project-title">
Deployment Pipeline
</div>
<div class="project-description">
In a team of three engineers and a Product Manager, I was working to build a
modernized deployment pipeline for the Product Engineers at Rapid. This project simplified the
existing deployment process by using industry-standard tools to provide a consistent, transparent,
and extendable experience to the engineering team. Additionally, this project aimed to add the
necessary process to the development cycle to support the planned growth of the company while
eliminating years of technical debt.
</div>
<div class="project-title">
RapidAPI for Mac Migration
</div>
<div class="project-description">
I was working in a tiger team to bring the technical assets of <a href="https://paw.cloud/">Paw</a>,
a recent acquisition, into the Rapid cluster. With another engineer, we shipped the
ability to build new releases of the Mac app on every code change allowing the company
to get new developments to users faster.
</div>
<div class="project-tech">
Technologies Used: Kubernetes, Helm, Terraform, GitHub Actions
</div>
</div>
<a href="https://www.twilio.com">
<img src="images/resume/twilio.png" />
</a>
<div class="job">
<div class="company">Twilio</div>
<div class="role">
<div class="title">Technical Lead | Principal Software Engineer</div>
<div class="date">September 2021 - June 2022</div>
</div>
<div class="role">
<div class="title">Technical Lead | Staff Software Engineer</div>
<div class="date">January 2020 - September 2021</div>
</div>
<div class="role">
<div class="title">Senior Software Engineer II</div>
<div class="date">May 2018 - January 2020</div>
</div>
<div class="role">
<div class="title">Senior Software Engineer</div>
<div class="date">December 2016 - May 2018</div>
</div>
<div class="role">
<div class="title">Software Engineer II</div>
<div class="date">July 2015 - December 2016</div>
</div>
</div>
<div class="project">
<div class="project-title">
Growing + Stabilizing the Team
</div>
<div class="project-description">
For my last role at Twilio, I was the Technical Lead for the Phone Numbers organization.
In general, this role involved driving programs with the other Technical Leads in the
organization, building frameworks, advocating for operational stability, helping with incidents,
discussing upcoming initiatives, giving context on historical decisions, and mentoring younger
engineers.
</div>
<div class="project-description">
I built a light framework for Phone Numbers' REST services to standardize how service code is
structured. The framework takes care of general metrics and error handling, allowing engineers
more time to focus on implementation. I piloted our <a href="https://www.terraform.io/">Terraform</a>
initiative which the team adopted to stabilize their infrastructure and metrics.
</div>
<div class="project-description">
During the 2020 US Presidential Election cycle, Twilio had to prepare for a
<a href="https://www.twilio.com/blog/twilio-heightened-awareness-period-us-elections">significant increase</a>
in Voice and SMS traffic. In the months leading up to election day, Twilio on-boarded millions of
phone numbers to support traffic. The influx of phone numbers caused one of the systems in the
onboarding flow to fail. I patched and scaled our services, and re-triggered onboarding steps which
allowed us to support the increased traffic without issues.
</div>
<div class="project-description">
I led an initiative to clean up our database disk usage and request count. Working with our product
management team, I audited our tables to determine the long-term need for our data. As a result,
we moved required data to alternative storage, deleted from active databases, and set retention
policies for some of our tables which brought our disk usage from 2TB down to 200GB. I also did
an audit of the queries to the databases. Using this audit data, we purged unused tables and
removed thousands of lines of dead code. Additionally, I found a set of queries running in a tight
loop. I worked with an engineer from a feature team to patch this, reducing the number of
queries to that database cluster by 70%.
</div>
<div class="project-description">
For my last project at Twilio, I drove the splitting of the on-call rotation for the Phone Numbers
organization into separate ones for each of the three teams within Phone Numbers. Throughout this
project, I looked at each alert for the organization, determined if they were required, tagged
them by the team, and migrated them into Terraform. I then reconfigured PagerDuty to route all
alerts through the appropriate feature team's policies while leaving the underlying rotation
unchanged. During the transition phase, I maintained a document that detailed every change that
was made as well as any rollback steps, if needed.
</div>
<div class="project-tech">
Technologies Used: Java, Python, PHP, MySQL
</div>
</div>
<div class="project">
<div class="project-title">
Regulatory Compliance
</div>
<div class="project-description">
Due to the <a href="https://www.twilio.com/blog/2017/09/phone-numbers-100-countries.html">international expansion</a>
of Twilio's Phone Number catalog, we had to up-level our Product offerings to comply with
Global Phone Number <a href="https://www.twilio.com/guidelines/regulatory">Regulations</a>.
First, as part of a six-member tiger team, I was brought in to patch the existing system
to allow customers to submit Regulatory Documents to comply with local regulations.
</div>
<div class="project-description">
After the initial push, I stayed on the extended team as a Technical Lead. The team built a
modernized <a href="https://www.twilio.com/docs/phone-numbers/regulatory/getting-started">Regulatory</a>
Product that launched in December 2019. The product allows all customers to keep up with
any local phone number requirements. On top of Phone Numbers Regulatory concerns, this
product now serves as the framework for the Twilio
<a href="https://www.twilio.com/docs/trust-hub">Trust Hub</a> Product.
</div>
<div class="project-tech">
Technologies Used: Java, Python, PHP, MySQL
</div>
</div>
<div class="project">
<div class="project-title">
Help @ SIGNAL
</div>
<div class="project-description">
At SIGNAL 2018, <a href="https://www.twilio.com/flex">Flex</a> was the flagship product that
Twilio announced. For the conference support desk, I built a Contact Center on Flex. By the
end, the application served over 2000 interactions using the Twilio Voice, SMS, Messenger,
WhatsApp, and Fax Products.
</div>
<div class="project-tech">
Technologies Used: Python, React
</div>
</div>
<div class="project">
<div class="project-title">
API Definitions
</div>
<div class="project-description">
In my first couple of years at Twilio the product portfolio grew substantially. Quickly, it became
unsustainable for the team to write Python code for each API change. To support the increasing
number of APIs, I led the team that extended the Helper Library Generation tool into the API Proxy.
In this platform, when a product team built a new API, they would also define any proxy level
transformations using JSON that the Proxy team used to write in Python. This platform now serves as
the single point of truth for the Twilio API and is consumed by product teams to power the
<a href="https://www.twilio.com/blog/2017/02/easily-make-api-calls-to-any-twilio-product-using-the-new-api-explorer.html">API Explorer</a>,
<a href="https://www.twilio.com/docs/runtime/functions">Functions</a>, and
<a href="https://www.twilio.com/docs/usage/api">Documentation</a> Products.
</div>
<div class="project-tech">
Technologies Used: Python
</div>
</div>
<div class="project">
<div class="project-title">
Helper Library Generation
</div>
<div class="project-description">
As of 2016, Twilio provides client libraries in 6 languages (<a href="https://github.com/twilio/twilio-csharp">C#</a>,
<a href="https://github.com/twilio/twilio-java">Java</a>, <a href="https://github.com/twilio/twilio-node">node.js</a>,
<a href="https://github.com/twilio/twilio-php">PHP</a>, <a href="https://github.com/twilio/twilio-python">Python</a>,
<a href="https://github.com/twilio/twilio-csharp">Ruby</a>) for customers to integrate with the API.
Generally speaking, these libraries are wrappers around the API. To streamline changes to these libraries,
the team built a tool to auto-generate them for any change in the API. When I started on this project,
I was implementing the Java and node.js libraries. Eventually, I took over leadership of this project
and drove it to completion. Once completed, the tool allowed us to release updated client libraries more
frequently, with fewer bugs, while using significantly less engineering time.
</div>
<div class="project-tech">
Technologies Used: Python, node.js, Java, C#, Ruby, PHP
</div>
</div>
<div class="project">
<div class="project-title">
Public API Proxy
</div>
<div class="project-description">
When any API request comes into Twilio, a proxy layer tags the request with metadata, calls the authentication
service, and transforms request data before sending the request to the specific product's stack. Once
the product stack processes the API request, the proxy layer attaches response metadata and standardizes the
response payload before completing the API request. I added all the integrations to expose the new
<a href="https://www.twilio.com/docs/chat">Chat</a>, <a href="https://www.twilio.com/sip-trunking">Trunking</a>,
and <a href="https://www.twilio.com/notify">Notify</a> Products to the public.
</div>
<div class="project-tech">
Technologies Used: Python
</div>
</div>
<a href="https://www.tripadvisor.com">
<img src="images/resume/tripadvisor.png" />
</a>
<div class="job">
<div class="company">TripAdvisor</div>
<div class="title">Software Engineer</div>
<div class="date">August 2012 - May 2015</div>
</div>
<div class="project">
<div class="project-title">
Just For You Guides
</div>
<div class="project-description">
As an addition to the <a href="https://www.tripadvisor.com/Travel_Guide-g186338-London_England.html">Travel Guide</a>
experience that had recently launched, I led a project to introduce Just For You Guides to improve the
TripAdvisor personalization experience. For (internal) experts in select cities, I built a page to add
recommendations based on predefined tags. For TripAdvisor visitors, I built a page for them to describe
their travel style using the same predefined tags. Upon personalized guide request, the system would match
user-inputted tags to activities created by the experts and email the user a generated guide within 24 hours.
</div>
<div class="project-tech">
Technologies Used: Java, JavaScript, Dust.js, less, PostgreSQL
</div>
</div>
<div class="project">
<div class="project-title">
TripAdvisor Facebook Application
</div>
<div class="project-description">
To modernize the TripAdvisor Facebook Application, I helped build various pages as part of a redesign.
The redesign enhanced, to 2013 standards, the user experience, giving users a much better experience
when filling out their travels. Additionally, we improved the social experience by building travel
maps for each friend who had connected their Facebook account with TripAdvisor. Parts of this effort
still exist as part of <a href="https://www.tripadvisor.com/TravelMap-a_uid.761518CCF6E24A12708C8A539D3E8F64">this</a> page.
</div>
<div class="project-tech">
Technologies Used: Java, JavaScript, Dust.js, less, Apache Velocity, PostgreSQL
</div>
</div>
<div class="project">
<div class="project-title">
Facebook Notifications
</div>
<div class="project-description">
Using Facebook's App-to-User Notifications, I built a platform to encourage engagement with the TripAdvisor
Facebook Application. Notifications were sent daily to users asking them to pin cities visited, rate
attractions, and invite friends. This campaign drove TripAdvisor to #1 among all apps in monthly active
users in November 2012.
</div>
<div class="project-tech">
Technologies Used: Java, Hive, Hadoop
</div>
</div>
</div>
<div class="section">
<h3>Education</h3>
<a href="https://www.uwaterloo.ca">
<img src="images/resume/uw.jpg" />
</a>
<div class="job">
<div class="company">University of Waterloo</div>
<div class="title">Software Engineering</div>
<div class="date">September 2007 - April 2012</div>
</div>
</div>
<div class="section">
<h3>Fun Facts</h3>
<ul class="description">
<li>I'd like to think I was a semi-professional Tetris player in my youth.</li>
<li>Pseudo-photographic memory which is quite helpful for remembering where bodies are buried in code.</li>
<li>Home cocktail crafting enthusiast.</li>
<li>Once, I got "Bride Tribe" accidentally tanned onto my arm.</li>
<li>Stepped foot in ~35 countries.</li>
</ul>
</div>
</div>
</body>
</html>