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Jonathan Tsai Email & Phone Number

Software Engineer at Stealth Startup
Location: Seattle, Washington, United States 6 work roles 3 schools
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✓ Verified Jul 2026 3 data sources Profile completeness 86%

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Current company
Stealth Startup
Role
Software Engineer
Location
Seattle, Washington, United States

Who is Jonathan Tsai? Overview

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Quick answer

Jonathan Tsai is listed as Software Engineer at Stealth Startup, based in Seattle, Washington, United States. AeroLeads shows a matched LinkedIn profile for Jonathan Tsai.

Jonathan Tsai previously worked as Student at Code Fellows and Marketing Specialist at Amazon. Jonathan Tsai holds Computer Software Engineering from Code Fellows.

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Email format at Stealth Startup

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Stealth Startup

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Profile bio

About Jonathan Tsai

I'm a full stack JavaScript/Python developer with a combined 8 years of experience in digital display advertising. I most recently supported Amazon by developing a Python script using Selenium, automating QA work before launching advertising campaigns. With the campaigns I managed, I delivered ROI-driven performance and dived deep in analytics, proven by managing $120MM+ annually in paid channels.I'm excited about new opportunities where I can continue to learn and grow as a developer, leveraging my certification from Code Fellows, where I built scalable and secure full stack applications using Node.js, React, AWS, and various databases (MongoDB and PostgreSQL).

Current workplace

Jonathan Tsai's current company

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Stealth Startup
Stealth Startup
Software Engineer
Seattle, WA, US
Website
harmonic.ai/get-discovered
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6 roles

Jonathan Tsai work experience

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Student

Code Fellows

Seattle, Washington, United States

Full time student at Code Fellows in Seattle, WA. Completion of a full-stack JavaScript development program in June 2023, followed by ongoing algorithm prep and personal projects.

Jan 2023 - Jun 2023

Marketing Specialist

Amazon

Planned, executed, and optimized programmatic marketing campaigns for internal teams across desktop and mobile web, mobile-in app, audio, online video, and over-the-top (OTT) inventory. Internal accounts include XCM (Cross-Channel, Cross-Category Marketing), Amazon Devices (Echo & FireTV), Amazon Private Brands (Hardlines and Softlines) and Audible.

Dec 2018 - Jan 2023

Marketing Manager

Amazon

Seattle, Washington, United States

Implemented and managed video digital advertising campaigns during Thursday Night Football (TNF 2018) stream on Amazon’s Prime Video platform.

Sep 2018 - Dec 2018

Marketing Manager

Amazon

Seattle, Washington, United States

Created and implemented a mobile and desktop centralized shopping experience in Amazon's Home, Lawn & Garden category for their annual corporate Spring Event that includes sponsorships and in-house marketing efforts

Jan 2018 - May 2018

Campaign Manager

Meredith Corporation

Execution and implementation of digital advertising campaigns, ensuring accurate impression, performance, and revenue delivery across Meredith's network (Allrecipes, BHG, EatingWell etc.)

Mar 2014 - May 2017
3 education records

Jonathan Tsai education

Computer Software Engineering

Code Fellows

6-month software engineering immersive program with over 1000+ hours of coding. Full-Stack development with JavaScript, React, Express.

FAQ

Frequently asked questions about Jonathan Tsai

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What company does Jonathan Tsai work for?

Jonathan Tsai works for Stealth Startup.

What is Jonathan Tsai's role at Stealth Startup?

Jonathan Tsai is listed as Software Engineer at Stealth Startup.

Where is Jonathan Tsai based?

Jonathan Tsai is based in Seattle, Washington, United States while working with Stealth Startup.

What companies has Jonathan Tsai worked for?

Jonathan Tsai has worked for Stealth Startup, Code Fellows, Amazon, and Meredith Corporation.

How can I contact Jonathan Tsai?

You can use AeroLeads to view verified contact signals for Jonathan Tsai at Stealth Startup, including work email, phone, and LinkedIn data when available.

What schools did Jonathan Tsai attend?

Jonathan Tsai holds Computer Software Engineering from Code Fellows.

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