Jeff Butler
Committer at MyBatis.org
Carmel, Indiana, United States
Summary
🤩
Rockstar🎓
Top SchoolJeff Butler is a seasoned software engineer and open-source committer with 16+ years of experience building and modernizing Java-based platforms and developer tools. As creator of the MyBatis Generator and a long-time committer to MyBatis (and predecessor iBATIS), he combines deep SQL mapping expertise with pragmatic code-generation and code-quality improvements. His career spans hands-on architecture and solution engineering roles at VMware, Broadcom, and Gradle, where he bridged product, pre-sales, and platform architecture responsibilities. Based in Carmel, Indiana, he brings a rare mix of enterprise delivery leadership and sustained OSS maintenance—often focusing on robustness, backward compatibility, and database edge cases such as ARRAY types and key generation.
16 years of coding experience
41 years of employment as a software developer
BS Electrical Engineering, BS Electrical Engineering at The University of Texas at Austin
Stackoverflow
991reputation
62kreached
53answers
0questions
Github Skills (28)
unit-testing10
stored-procedures10
annotations10
mybatis10
java10
javas10
code-generation10
sql10
xml-parsing10
xml10
mybatis-plus10
annotate10
databases9
junit9
data-integration9
Programming languages (7)
Github contributions (5)
mybatis/generator
Oct 2009 - Jan 2023
A code generator for MyBatis.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 releases, 6 reviews, 1285 commits in 13 years 5 months
Contributions summary:Jeff's commits primarily focused on improving the MyBatis Generator code generation framework, specifically addressing bugs, enhancing existing functionality, and introducing new features. Contributions included fixing issues related to case sensitivity and order-by clauses, adding a new generator for annotated classes with no XML, and extending the framework with new methods and annotations. The user also improved code quality by incorporating best practices like consistent line endings and fixing type handling for Java 8.
sql-generationjava-8code-generatorkotlinmybatis-generator
mybatis/mybatis-3
Jul 2010 - Mar 2014
MyBatis SQL mapper framework for Java
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 review, 64 commits, 7 PRs in 3 years 8 months
Contributions summary:Jeff primarily contributed to fixing bugs and improving the functionality of the MyBatis SQL mapper framework for Java. They addressed issues related to parsing XML configurations, JUnit tests, and stored procedures, ensuring the framework worked correctly in various scenarios. They also added support for ARRAY types and integrated changes related to key generation for databases. The contributions show a focus on enhancing the framework's robustness and compatibility.
sql-generationmavenmysqlsqlmybatis-sql
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