Jonathan Lietzau
Application Architect
Minnesota, United States
Summary
👤
SeniorJonathan Lietzau is a seasoned Application Architect with 13 years of experience delivering secure, scalable software across cloud-native and enterprise platforms. Based in Minnesota, he currently leads architecture at BI WORLDWIDE, shaping end-to-end solutions from back-end services to front-end experiences with a strong emphasis on security, optimization, and automation. His career began at KJL Software, where he built a broad portfolio—from mobile apps and SaaS to ERP/CRM and game development—across PHP, Node, Python, Go, and multiple databases. He specializes in microservices, DDD, CQRS, and SOA, and leverages AWS, Terraform, CloudFormation, Docker, and CI/CD pipelines to deliver reliable systems. A continuous learner with interests in ML/AI and mobile game development, he combines technical depth with business acumen to turn complex requirements into practical, auditable solutions.
13 years of coding experience
Github Skills (56)
previews10
reactphp10
blocking10
image-scaling10
multiple-file-upload10
pause10
async9
non-blocking9
chunking9
drag9
php9
event-driven8
file-upload8
drag-and-drop8
yii7
Programming languages (5)
Github contributions (5)
KJLJon/lockbox
Dec 2017 - Dec 2017
Contributions:7 pushes, 9 branches in 5 days
key-infacilities-managementkey-managementencryptedfacilities
KJLJon/github-for-developers-7
Dec 2015 - Dec 2015
Contributions:3 PRs, 5 pushes, 4 branches in 2 days
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