Sean Kleinjung
Software Development Consultant at Solution Design Group
Saint Paul, Minnesota, United States
Summary
👤
Senior🎓
Top SchoolSean Kleinjung is a seasoned software development consultant with over 15 years designing and delivering Java and Android applications, and 11 years of continuous professional experience. He has led full technical delivery on 19 projects, consistently hitting budget and timeline targets while guiding architecture, framework selection, and agile practices. Recent work includes building a REST-backed, Bluetooth-enabled Android app for fitness data collection and porting its networking features to .NET, showing cross-platform fluency. Known for strong troubleshooting and mentorship, he also has a history of shipping niche developer tools—such as a pure-Java image interpolation library—and consumer apps, demonstrating both deep engineering rigor and practical product instincts. Based in Saint Paul, MN, he blends hands-on implementation with client-facing scoping and technical writing to turn complex requirements into reliable systems.
11 years of coding experience
11 years of employment as a software developer
Computer Science and German, Computer Science and German at Concordia College
Github Skills (22)
spring-boot8
java8
react-snap7
react7
react-router6
typescript6
webpack6
nextjs6
cms5
javascript5
resume4
snap4
graphic4
serverless4
router4
Programming languages (7)
Github contributions (5)
Ruyka/Tam-An-Food-Store-Manager
Nov 2015 - Jan 2016
CS300 project-1-1516, group 6
Contributions:162 commits, 137 PRs, 65 pushes in 2 months
project-1
DeKal/DeKal
Jul 2020 - Mar 2024
Contributions:90 pushes, 5 branches in 3 years 8 months
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