Jason Stewart

Staff Software Engineer - Mobile Developer Experience at Slack

San Francisco, California, United States
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Summary

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Rockstar
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Top School
Jason Stewart is a Staff Software Engineer specializing in Mobile Developer Experience with six years of focused engineering and test automation at Slack, based in San Francisco. He progressed from Android-focused software-in-test roles to senior and staff engineering positions, blending deep mobile platform knowledge with developer tooling and productivity improvements. Jason’s background in SQA at Symantec and hands-on Android testing gives him a practical quality-first approach to shipping reliable mobile features at scale. He combines technical leadership with a history of building and expanding automation frameworks, helping teams move faster without sacrificing stability. Colleague-facing empathy and a steady rise through Slack’s mobile org suggest he excels at translating developer needs into robust, developer-centric solutions.
code6 years of coding experience
job8 years of employment as a software developer
bookCalifornia Polytechnic State University, San Luis Obispo
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Github Skills (43)

espresso10
kotlin10
android-gradle-plugin10
intellij10
gcloud10
architecture10
xcuitest10
android-test10
instrumentation10
android-applications10
compose10
java10
earlgrey10
firebase-test-lab10
udf10

Programming languages (4)

C++CObjective-CKotlin

Github contributions (5)

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slackhq/foundry

Mar 2023 - Apr 2025

Gradle and IntelliJ build tooling used in Slack's Android repo
Contributions:29 reviews, 8 PRs, 2 pushes in 2 years
gradleandroidandroid-appkotlinslack
slackhq/kotlin-cli-util

Aug 2023 - Sep 2024

Contributions:5 reviews in 1 year
cliktkotlinkotlin-scriptkotlin-clicli-utilities
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Jason Stewart - Staff Software Engineer - Mobile Developer Experience at Slack