Nick Sieger
Senior Software Engineer at Docker, Inc
Minneapolis, Minnesota, United States
Summary
🤩
Rockstar🎓
Top SchoolNick Sieger is a Senior Software Engineer with 19 years of experience building web frameworks, distributed systems, and CI/CD tooling, currently contributing at Docker after a recent senior tools role at Tilt. He specializes in dynamic languages and developer-facing infrastructure—Ruby/Rails, TypeScript/Node, Java—and brings deep practical experience with AWS Lambda, Elasticsearch, and SQL-backed systems. Nick’s work spans both backend and DevOps: he’s improved Docker Compose and Tilt deployment flows, enhanced JRuby adapters, and contributed tests and reliability fixes to foundational open-source projects. Known for pragmatic, event-driven integrations and scripting fluency, he often implements the “glue” that lets services talk reliably at scale. Based in Minneapolis, he combines veteran architectural judgment with hands-on fixes and test-first contributions, reflecting a career-long focus on making complex distributed workflows simpler and more robust.
20 years of coding experience
25 years of employment as a software developer
University of Minnesota Twin Cities
Stackoverflow
3,325reputation
84kreached
84answers
0questions
ruby-on-rails
top-5%
Github Skills (62)
test-automation10
cli10
kubernetes10
spec10
docker10
jms10
back-end-development10
scripting10
testing10
rmagick10
bash10
docker-compose10
jdbc10
dockers10
message-queue10
Programming languages (20)
Github contributions (5)
jruby/jruby-rack
Jun 2008 - Mar 2012
Rack for JRuby and Java appservers
Role in this project:
Back-end Developer
Back-end DeveloperContributions:444 commits in 3 years 9 months
Contributions summary:Nick's contributions primarily involve developing a Java-based Rack application for JRuby. Their work focuses on integrating JMS queue functionality, including creating, initializing, and managing a queue manager. The commits demonstrate the implementation of classes like `QueueContextListener`, `DefaultQueueManager`, and supporting interfaces to facilitate asynchronous message handling, which is evident from the code changes within the repository. The user also refactored code to include a `MessageDispatcher` class.
javajrubyrack-applicationservletstomcat
jruby/activerecord-jdbc-adapter
Sep 2006 - Oct 2012
JRuby's ActiveRecord adapter using JDBC.
Role in this project:Back-end Developer
Back-end DeveloperContributions:762 commits in 6 years 2 months
Contributions summary:Nick contributed to the JRuby ActiveRecord adapter for JDBC databases, focusing on extending and improving its functionality. Their work included adding support for loading JAR files from `RAILS_ROOT/lib`, and refactoring test cases for increased robustness. They also addressed execution issues during driver loading and made fixes for date and time values, as well as dealing with the `varchar(100)(100)(100)` issue, demonstrating knowledge of database specific type handling.
activerecordjdbcjrubyactiverecord-jdbc-adapterrails
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