Dennis Mullen
Senior Web Developer Designer at Knox County
Kingston, Tennessee, United States
Summary
🤩
Rockstar🎓
Top SchoolDennis Mullen is a senior web developer and designer with a decade of experience building citizen-facing government applications for Knox County, Tennessee, and previously shaping the TrueNAS UI at iXsystems. He specializes in Vue.js front-ends, Laravel back-ends, and a broad suite of AWS services—implementing authentication (Cognito and Azure AD), MFA, serverless APIs, and cloud security features in production systems. Dennis blends practical UI craftsmanship (HTML/CSS/TypeScript/Angular) with backend skills across SQL, DynamoDB, Node/Python Lambdas, and PHP, and has contributed IP, SMB, and timezone-handling enhancements to the high-profile TrueNAS web UI. Beyond code, his long-term pastoral leadership informs his strength in team leadership, teaching, and user-centered product vision, making him adept at turning complex government needs into accessible, maintainable web services.
10 years of coding experience
Full Stack Web Development Specialization, Full Stack Web Development Specialization at CourseraGrow with Google Challenge Scholarship: Mobile Web, Grow with Google Challenge Scholarship: Mobile Web at UdacityMaster of Arts (M.A.), Master of Arts (M.A.) at Johnson University
Github Skills (3)
network-programming10
validators10
python9
Programming languages (5)
Github contributions (5)
truenas/webui
Apr 2018 - Dec 2020
TrueNAS UI
Role in this project:
Back-end Developer
Back-end DeveloperContributions:82 reviews, 3161 commits, 1101 PRs in 2 years 8 months
Contributions summary:Dennis's contributions focused on running IP validation through external packages and modifying the code to validate IPv4 and IPv6 addresses with or without CIDR. They were also responsible for implementing validation for other data fields and adding a function to convert data and time information using system timezone options. Additionally, the user made changes to SMB services with an emphasis on adding code for specific user requirements.
truenasangular-uiangular
dkmullen/ace
Jul 2019 - Aug 2023
Contributions:6 PRs, 118 pushes, 6 branches in 4 years 1 month
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