David Andrzejewski
Senior Applications Developer
Cleveland, Ohio, United States
Summary
👤
Senior🎓
Top SchoolDavid Andrzejewski is a Senior Applications Developer with 11 years at Oracle (and predecessor MICROS) specializing in Java development for the Oracle Retail Xstore suite, spanning POS and back-office systems. He progressed from front-line technical support to roles in corporate systems engineering and software development, giving him deep operational insight into large-scale retail deployments. David has led migrations (notably moving an Xenvironment app from Python to Java), rewritten customer-facing configuration interfaces, and maintained critical in-store environment tooling installed across hundreds of thousands of systems. Comfortable across the stack, he blends hands-on coding, build/CI automation, and systems administration (VMware, Nagios) to keep complex retail systems reliable. Based in Cleveland, he pairs long-tenured institutional knowledge with a practical focus on maintainability and real-world supportability.
11 years of coding experience
17 years of employment as a software developer
University of Wisconsin-Madison
Github Skills (148)
reflector10
parrot10
prompt9
powerline9
python9
ipython9
bash9
firmware9
statusline9
esp329
gnuradio9
arduino9
gateway9
tmux9
cli8
Programming languages (18)
Github contributions (5)
dandrzejewski/aprx
Dec 2016 - Jul 2024
A highly configurable APRS I-gate/Digipeater Daemon
Contributions:6 pushes, 1 branch in 7 years 8 months
configurablegateaprsdaemondigipeater
dandrzejewski/prezto
Jun 2017 - Feb 2024
Contributions:3 pushes in 6 years 9 months
shellconfiguration-frameworkzsh-pluginzsh
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