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Justin H. Email & Phone Number

Software Engineer
Location: Los Angeles, California, United States 13 work roles 3 schools
1 work email found @doordash.com 2 phones found area 646 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 2 phones

Work email j****@doordash.com
Direct phone (646) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Role
Software Engineer
Location
Los Angeles, California, United States

Who is Justin H.? Overview

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Quick answer

Justin H. is listed as Software Engineer based in Los Angeles, California, United States. AeroLeads shows a work email signal at doordash.com, phone signal with area code 646, and a matched LinkedIn profile for Justin H..

Justin H. previously worked as Software Engineer at Doordash and Software Engineering Intern at Honey. Justin H. holds Master Of Science - Ms, Computer Science from University Of Southern California.

Company email context

Email format at doordash.com

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*@doordash.com
68% confidence

AeroLeads found 1 current-domain work email signal for Justin H.. Compare company email patterns before reaching out.

Profile bio

About Justin H.

Justin H. is a Software Engineer. He is proficient in Hainanese.

Listed skills include Research, Microsoft Office, Management, Html, and 15 others.

13 roles

Justin H. work experience

A career timeline built from the work history available for this profile.

Software Engineer

San Francisco, California, Us

Feb 2021 - Dec 2023

Software Engineering Intern

Los Angeles, California, Us

· Worked on the TwoTap integration team, which is responsible for programmatically executing purchases on behalf of users and integrating with other products· Created, tested, and deployed a new webhook system from the ground up thatsecurely receives updated transactions on users’ accounts, for internal use· Collaborated directly with Paypal engineers for quality assurance, security, and proper integration

Jun 2020 - Aug 2020

Course Producer For Csci103

Los Angeles, California, Us

· Teaching assistant for CSCI 103: Introduction to Programming · Mentored students on fundamental programming concepts (functions, datastructures, object oriented programming)

Aug 2017 - Dec 2019

Engineering Fellow

Menlo Park, Ca, Us

2019 KPCB Engineering Fellow at DoordashSelected as one of 48 engineering fellows from a projected applicant pool of 3,000 to participate in the KPCB fellowship program | https://fellows.kleinerperkins.com/ | https://fellows.kleinerperkins.com/meet-the-fellows/2019

May 2019 - Sep 2019

Software Engineering Intern

San Francisco, California, Us

· Directly worked and collaborated with the Logistics team to tackle various technical optimizations, bugs, and consumer-facing features· Designed and developed multiple machine learning models to predict deliverytimes and supply-and-demand healthiness to determine various app actions· Improved user conversion by 0.15%, generating an extra $10,000+ per day

May 2019 - Aug 2019

Co-Founder And Head Of Development

Tommy Bot

· A chatbot on Facebook Messenger that answers hundreds of students questionsabout USC daily, with 55,000 total queries answered · Answers questions about USC campus and social life, including questions pertaining to dining hall menus, building locations, clubs, events on campus, and more · Managed, designed, developed, and maintained all core aspects of the technology: application architecture, information aggregation, natural language processing and more · Built using a variety of technologies, including Python, Node.js, Facebook's Messenger API, Scrapy, MongoDB, Heroku · September 2018 update: Tommy Bot is now an open sourced project for the USC developer's community

Sep 2016 - Sep 2018

Software Engineer Intern

New York, Ny, Us

· Developed models to price complex financial deals using machine learning algorithmsand data processing techniques (feature selection, regression analysis) · Automated the optimization of pricing models to improve speed and accuracyusing machine learning techniques (hyper-parameter tuning) using Python and scikit-learn

Jun 2018 - Aug 2018

Director Of Development

Los Angeles, California, Us

· Assisted development of a comprehensive product building curriculum, with afocus on the developmental aspects for USC’s premier product incubator · Hosted internal and external workshops on product development skills · Created, maintained, and updated the website and additional software

May 2017 - May 2018

Software Development Engineering Intern

· Designed, developed, and tested responsive iOS UIs using Swift and Xcode · Worked and collaborated on the Fae Map’s app’s location-based services toprovide more seamless and easy-to-use user experience

May 2017 - Aug 2017

Engineering Fellow

Los Angeles, California, Us

• Selected as 1 of 8 accepted fellows out of a large, competitive pool of students nationwide• Attend entrepreneurship talks, product/technical workshops, and venture capital networking events with TechLA portfolio companiesMore info onhttp://fellows.tech.la/

May 2017 - Aug 2017

Cohort Member And Developer

Los Angeles, California, Us

LavaLab is the premier student-run product incubator on campus. I was admitted into the program and underwent an intensive learning curriculum which emphasized entrepreneurship and the interdisciplinary field of business, technology, and design. In this program, I joined a team of four to ideate, prototype, and create an application of our choice. That application, TommyBot, is a chatbot built and designed to help USC students navigate the campus and the community.

Aug 2016 - Dec 2016

Research And Software Engineering Intern

New York, Ny, Us

I continued my independent research on Acute Myeloid Leukemia (AML) from prior work I conducted from the summer of 2014 -- as a result, I contributed to a growing body of knowledge of the biological mechanisms in NPM1 mutant cases of AML. Furthermore, I optimized lab technology by writing scripts in R to help streamline data representation. My code helped and currently helps 20 lab members in the Scott Armstrong Lab to produce graphical data.

May 2015 - Sep 2015

Research Intern

New York, Ny, Us

I conducted independent research on Acute Myeloid Leukemia (AML) by carrying out a variety of wet-lab experiments to assess the possible therapeutic opportunities of an known molecular drug on a particular version (NPM1 gene mutant) of AML.

Jun 2014 - Sep 2014
3 education records

Justin H. education

Master Of Science - Ms, Computer Science

University Of Southern California

Bachelor’S Degree, Computer Science

University Of Southern California

High School

Trinity School
FAQ

Frequently asked questions about Justin H.

Quick answers generated from the profile data available on this page.

What is Justin H.'s role at their current company?

Justin H. is listed as Software Engineer.

What is Justin H.'s email address?

AeroLeads has found 1 work email signal at @doordash.com for Justin H..

What is Justin H.'s phone number?

AeroLeads has found 2 phone signal(s) with area code 646 for Justin H..

Where is Justin H. based?

Justin H. is based in Los Angeles, California, United States.

What companies has Justin H. worked for?

Justin H. has worked for Doordash, Honey, Usc Viterbi School Of Engineering, Kleiner Perkins, and Tommy Bot.

How can I contact Justin H.?

You can use AeroLeads to view verified contact signals for Justin H., including work email, phone, and LinkedIn data when available.

What schools did Justin H. attend?

Justin H. holds Master Of Science - Ms, Computer Science from University Of Southern California.

What skills is Justin H. known for?

Justin H. is listed with skills including Research, Microsoft Office, Management, Html, Css, Python, Cancer Research, and Microsoft Excel.

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