Derek Johnson
Lead Application Developer
Missouri, United States
Summary
👤
Senior🎓
Top SchoolDerek Johnson is a seasoned Lead Application Developer with 12 years of professional experience building enterprise financial and e-commerce systems across public, private, non-profit, and educational sectors. He specializes in full-stack .NET development—designing Blazor front ends, scalable .NET Core services, and high-performance SQL processes to handle large financial datasets. Derek has a strong track record of modernizing legacy systems, optimizing performance, and automating workflows while mentoring teams and improving code quality through reviews and testing. His background includes architecting custom CMS platforms, ETL consolidation, and leading Agile delivery as a Scrum Master and Release Manager. Based in Missouri, he pairs hands-on coding with product collaboration to deliver accurate, auditable solutions and has an unusual blend of technical and creative interests reflected by studies in music performance.
12 years of coding experience
20 years of employment as a software developer
Computer Software Engineering, Computer Software Engineering at Saint Louis UniversityMusic Performance General, Music Performance General at McNally Smith College of MusicGeneral Studies, General Studies at St. Charles Community CollegeAssociate's degree Computer Science, Associate's degree Computer Science at Vatterott College
Github Skills (51)
lighthouse10
audit10
performance-analysis10
auditing10
developer-tools10
monitoring9
axe8
visual-regression-testing8
caniuse8
chrome-extension8
voiceover8
accessibility7
chrome7
solidworks7
standardization7
Programming languages (4)
Github contributions (5)
barnardos/consent-banner
Jun 2021 - Feb 2024
Contributions:5 reviews, 1 PR, 10 pushes in 2 years 8 months
barnardos/platforms-and-standards
Jun 2022 - Sep 2024
Barnardo's online platforms and standards.
Contributions:7 reviews, 4 PRs, 45 pushes in 2 years 4 months
trinitycoreazerothcoreplatformssolidworksstandards
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