Coleman Kelleghan
Senior Software Engineer at Fortis Games
Denver, Colorado, United States
Summary
👤
Senior🎓
Top SchoolColeman Kelleghan is a Senior Software Engineer based in Denver with 10 years of hands-on experience building high-performance full‑stack applications, primarily in the JavaScript ecosystem. He specializes in React rendering performance and designing maintainable, well-tested Node APIs, often optimizing for milliseconds to improve user experience and accessibility. Coleman has led engineering teams at enterprise and startup levels, owning technical design, client communication, and production support while driving cross-team integrations and performance audits. His background spans building market-data platforms, real-time webhook integrations, and a paid fantasy sports product he developed and ran as a solo founder, demonstrating both product and operational chops. Comfortable working across React, Typescript, GraphQL, Node, Go, and Rails, he pairs deep frontend focus with backend service design for scalable, data-intensive applications.
10 years of coding experience
13 years of employment as a software developer
Diploma, Diploma at Boulder High SchoolGraphic Design, Graphic Design at Front Range Community CollegeFull Stack Web Development, Full Stack Web Development at Galvanize - Boulder, West Pearl
Github Skills (41)
java9
pipeline9
python8
mssql8
mysql8
snowflake8
data-collection8
operation8
postgresql8
calculator7
singer7
nodejs7
bigquery7
databases7
data-pipeline7
Programming languages (5)
Github contributions (5)
kelleghan1/dropzioApp2
Jun 2016 - Jul 2016
Contributions:55 commits, 1 push, 2 branches in 6 days
kelleghan1/portfolio_2
Apr 2022 - Dec 2023
Contributions:46 pushes in 1 year 8 months
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