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Sean Johnson Email & Phone Number

Staff Software Engineer at Tubi
Location: Raleigh-Durham-Chapel Hill Area, United States, United States 10 work roles 1 school
1 work email found @creditkarma.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email s****@creditkarma.com
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Staff Software Engineer
Location
Raleigh-Durham-Chapel Hill Area, United States, United States

Who is Sean Johnson? Overview

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Quick answer

Sean Johnson is listed as Staff Software Engineer at Tubi, based in Raleigh-Durham-Chapel Hill Area, United States, United States. AeroLeads shows a work email signal at creditkarma.com and a matched LinkedIn profile for Sean Johnson.

Sean Johnson previously worked as Founding Software Engineer at Second and Staff Software Engineer at Credit Karma. Sean Johnson holds Computer Science from University Of North Carolina At Chapel Hill.

Company email context

Email format at Tubi

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{first}.{last}@creditkarma.com
86% confidence

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

Profile bio

About Sean Johnson

Sean Johnson is a Staff Software Engineer at Tubi. He possess expertise in javascript, html, web development, jquery, user interface design and 43 more skills. Colleagues describe him as "Sean has a brilliant development mind and is truly passionate about each and everything he does. Other employees feed off of his energy and gain inspiration through his knowledge, skills and personality. Sean is a vital asset to the team, always putting forth maximum effort and always happy to go above and beyond what is required of him. It has been a true pleasure having Sean on my team." and "Sean is a remarkable developer. He solves challenging problems and makes it look easy. Not often do people have a wide breadth of skill and also possess a deep understanding of each skill, but Sean has this combination in spades. He knows HTML/HTML5 inside and out and has an almost dictionary-like reference ability of CSS. Combined with his very strong object oriented Javascript skills, Sean is an absolute monster of a front-end developer. He knows the LAMP stack as good as anyone I know. He is always eager to learn new languages and goes out of his way to help others achieve their objectives and goals. He can solve a standard rubix cube in under a minute and types faster than anyone I know. He's easily one of the smartest people I've ever met."

Listed skills include Javascript, Html, Web Development, Jquery, and 44 others.

Current workplace

Sean Johnson's current company

Company context helps verify the profile and gives searchers a useful next step.

Tubi
Tubi
Staff Software Engineer
Website
AeroLeads page
10 roles · 20 years

Sean Johnson work experience

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

Staff Software Engineer

Current

San Francisco, CA, US

Focused on application performance. Reduced ready-to-use (Tubi's app boot metric) by 30% on 8 platforms. One highlight: boot time for Samsung devices reduced by about 40s. Achieved this by rearchitecting and organizing the Tubi web application.DevEx: reduced application build and rebuild times 95% (3m -> 5s) by aggressively refactoring build process

Feb 2024 - Present

Founding Software Engineer

San Francisco, California, US

- Combined backend and frontend repos into a monorepo using Turbo (NextJS + Node backend)- Automated build and deployment processes (Docker build, Vercel for web and AWS ECR + ECS for AI agent)- Established API contracts and tooling for cross-server communication- Improved performance of average job runtime by 80% (50m per run -> 10m per run) by leveraging.

Jun 2023 - Dec 2023

Staff Software Engineer

Oakland, California, US

- Ran initiative to reduce runtime errors (80% of all sessions) to less than 5% of sessions, and implemented compile time checking to keep it there.- Created and ran performance initiatives that reduced overall page load times by.5s at p50 and 3s at p95. App bundle size reduced by 30% for CK- Built internal application to enable business partners to enter.

Aug 2021 - Jun 2023

Staff Software Engineer

Sunnyvale, CA, US

Video / Media Core team- Maintaining video/image/document upload and consumption for all client platforms (iOS, Android, Web)- Incrementally improved reliability of upload flow on web - increased reliability from 96% to over 99%- Led a few horizontal projects that reduced loading times of images on web by 40%, saved 75% of bandwidth spend. Saved $500k/yr.

Dec 2018 - Dec 2021

Senior Software Engineer

Sunnyvale, CA, US

2015: Messaging team. Brought instant messaging to LinkedIn through my work in building out a part of the real-time pipeline to serve our web experience. Also assisted in completely rebuilding the messaging experience for desktop.2017: After my success with bringing a slew of realtime features (Read receipts, typing indicators, instant messaging) to.

Jun 2015 - Dec 2018

Software Engineer

Sunnyvale, CA, US

Built the homepage of LinkedIn... twice!Project Oz: Built the homepage feed on the play framework. Technologies: Play/Scala/Dust/BackboneProject Voyager: Built LinkedIn's homepage mobile-first experience, on the new Pemberly stack.For all of this hard work, I was promoted to Senior Software Engineer.

Jun 2014 - Jun 2015

Senior Web Presentation Architect

Detroit, MI, US

Architected and implemented new homepage for ally.com, which resulted in improved CTR and a reduced bounce rate of more than 10%Created a "Digital Asset Library" tool used for managing, storing, and keeping statistics on banners, tiles, and icons to measure their effectivenessCreated an "XSLTFiddle" tool to aid in XSLT development and debuggingCreated and.

Jun 2012 - Dec 2013

Web Developer

Duluth, GA, US

Developed both front and backend systems for 4 major e-commerce websites using Java/DB2 on the backend, and the latest and greatest web technologies on the front end.- Created a product review and rating system for all four online stores that integrated with the underlying WebSphere structure- Developed a Flickr Photos widget that allowed users to upload.

Jan 2011 - Aug 2011

Technical Consultant

Step Press
2006 - 2010 ~4 yrs
Team & coworkers

Colleagues at Tubi

Other employees you can reach at tubitv.com. View company contacts →

1 education record

Sean Johnson education

  • University Of North Carolina At Chapel Hill
    University Of North Carolina At Chapel Hill
    Computer Science
FAQ

Frequently asked questions about Sean Johnson

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

What company does Sean Johnson work for?

Sean Johnson works for Tubi.

What is Sean Johnson's role at Tubi?

Sean Johnson is listed as Staff Software Engineer at Tubi.

What is Sean Johnson's email address?

AeroLeads has found 1 work email signal at @creditkarma.com for Sean Johnson at Tubi.

Where is Sean Johnson based?

Sean Johnson is based in Raleigh-Durham-Chapel Hill Area, United States, United States while working with Tubi.

What companies has Sean Johnson worked for?

Sean Johnson has worked for Tubi, Second, Credit Karma, Linkedin, and Duke Energy Corporation.

Who are Sean Johnson's colleagues at Tubi?

Sean Johnson's colleagues at Tubi include Huixiao Liu, Addie Spremich, Scott Whitney, Rahul Kothari, and Jeffrey Chan.

How can I contact Sean Johnson?

You can use AeroLeads to view verified contact signals for Sean Johnson at Tubi, including work email, phone, and LinkedIn data when available.

What schools did Sean Johnson attend?

Sean Johnson holds Computer Science from University Of North Carolina At Chapel Hill.

What skills is Sean Johnson known for?

Sean Johnson is listed with skills including Javascript, Html, Web Development, Jquery, User Interface Design, Ember.Js, Css, and Node.Js.

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