Jeff Langr
Owner at Langr Software Solutions, Inc.
Colorado Springs, Colorado, United States
Summary
👤
Senior🎓
Top SchoolJeff Langr is a seasoned software developer, coach, author, and founder with over 13 years of hands-on experience helping teams deliver high-quality software through TDD, continuous integration, and agile practices. As owner of Langr Software Solutions and a long-time consultant, he embeds with teams to mentor, lead development, and rescue legacy systems across Java, C++, C#, and modern stacks like JavaScript/TypeScript and AWS. He’s authored multiple influential books on testing and TDD and has taught hundreds of engineers pragmatic techniques such as mobbing, pair programming, and BDD. Jeff blends deep technical craftsmanship with organizational coaching, driving process improvements from individual practices to cross-team strategy. Based in Colorado Springs, he repeatedly turns difficult legacy codebases into maintainable systems while also producing pragmatic, widely used guidance for practitioners. An understated strength is his track record of scaling developer capability—dozens of teams and hundreds of students have measurably improved under his instruction.
14 years of coding experience
14 years of employment as a software developer
High school diploma Biological sciences, High school diploma Biological sciences at Eleanor Roosevelt Senior High SchoolBS Computer Science, BS Computer Science at University of Maryland
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (43)
tdd10
react-native9
ios9
timer9
pair-programming9
mob-programming9
android9
react9
extreme-programming8
cross-platform8
ensembles8
mobile8
testing8
nodejs7
javascript7
Programming languages (11)
Github contributions (5)
jlangr/tpp
May 2013 - Jun 2013
Contributions:84 commits in 1 month
jlangr/checkNumbers
Apr 2017 - Nov 2021
Contributions:7 pushes, 3 branches in 4 years 8 months
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