Sean Vieira
Principal Software Engineer at Appian Corporation
Washington DC-Baltimore Area United States
Summary
👤
Senior🎓
Top SchoolSean Vieira is a Principal Software Engineer with 14 years of experience building web applications, automation, and analytics across startups and enterprise teams in the DC-Baltimore area. He progressed through engineering and technical leadership roles at Appian after early-career work in full-stack web, email systems, and automation using languages from Scala and Java to Python and JavaScript. Sean combines a philosopy BA's analytical rigor with hands-on delivery—designing processes, integrations, and reporting that save time and reduce errors at scale. He’s comfortable owning both architecture and the implementation details, and has a track record of shipping tooling that eliminated thousands of hours of manual work. Known for mentoring peers and standardizing internal platforms, he focuses on practical, testable solutions that improve developer and user workflows.
14 years of coding experience
11 years of employment as a software developer
Bachelor of Arts Philosophy, Bachelor of Arts Philosophy at Christendom College
Stackoverflow
157,794reputation
18.3mreached
1,475answers
5questions
ruby
top-5%
dictionary
top-5%
regex
top-5%
oop
top-5%
arrow-functions
top-5%
profiling
top-5%
Github Skills (147)
tuple10
python10
right-to-left10
flip10
routes10
whitespace10
strip10
flask10
javascript10
jquery10
flask-sqlalchemy10
wsgi10
micro-framework10
left-to-right10
html10
Programming languages (7)
Github contributions (5)
mjhea0/flask-tracking
Oct 2013 - Dec 2013
http://www.realpython.com
Contributions:31 commits, 1 comment in 2 months
python
svieira/glitch-quotes-and-things
May 2020 - May 2025
Contributions:2 reviews, 9 PRs, 11 pushes in 5 years
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