Justin Keller
Founder at Market Diary
Nashville-Davidson, Tennessee, United States
Summary
🤩
Rockstar🎓
Top SchoolJustin Keller is a founder and tech entrepreneur with 14 years of hands-on experience building SaaS products, DevOps platforms, and trading tools from Nashville. He leads Elastic Byte (DevOps as a service), Market Diary (a trading journal), and NodeSocket, combining product-led engineering with ongoing operational support. Comfortable across the stack, his open-source contributions range from front-end Ember.js work to test automation for a Node.js trading client, reflecting attention to UX and code quality. Justin's background in IT leadership and a Computer Science degree from San Diego State inform a pragmatic approach to scalable, secure systems. He balances engineering rigor with entrepreneurial instincts, often shipping small, user-focused features that unlock operational efficiencies. Outside work he’s a music-loving Mac and cheese aficionado who brings cultural curiosity to team-building and product design.
14 years of coding experience
12 years of employment as a software developer
Computer Science, Computer Science, Computer Science, Computer Science at San Diego State University
Stackoverflow
44,036reputation
12.8mreached
42answers
362questions
arm
top-5%
Github Skills (21)
javascript10
testing10
css10
emberjs10
front-end-development10
lessc10
nodejs9
html9
arm9
user-interface8
interface-design8
ui-design8
shell6
x86-646
php6
Programming languages (28)
Github contributions (5)
balanced/balanced-dashboard
May 2013 - Jun 2013
The Balanced dashboard.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:73 commits in 1 month
Contributions summary:Justin's contributions primarily focused on the styling and implementation of the login and forgot password pages. They introduced new CSS and HTML templates for these pages, including the addition of a logo, form elements, and links. The user also made adjustments to the application's header and routes to incorporate the new login functionality. Their work involved modifying Ember.js templates, LESS stylesheets, and the application's routing structure.
balanceddashboard
aurbano/robinhood-node
Mar 2016 - Mar 2016
:chart_with_upwards_trend: NodeJS client for Robinhood Trading :fire:
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:10 commits, 1 PR, 4 comments in 1 day
Contributions summary:Justin primarily focused on improving the test suite within the repository. Their commits include updating test files, correcting require paths, and cleaning up example code. The user's work also included fixing comments and addressing spacing issues within the test files, showing an attention to detail and code quality. This is all within a project related to a NodeJS client for Robinhood Trading.
chartjavascripttradetradingtrend
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