Duane Leem
Senior DevOps Manager at Warrior Trading
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolDuane Leem is a Senior DevOps Manager based in San Francisco with over a decade of experience building and operating cloud-native infrastructure for industries from banking to day-trading education. He specializes in AWS, Kubernetes, Terraform, Jenkins and Ansible to deliver highly available, automated web platforms and CI/CD pipelines, and he pairs that infrastructure work with backend development in Node.js and Go and WordPress engineering. Duane has a proven track record of driving performance improvements and secure deployments while reducing operational toil through automation and infrastructure-as-code. Beyond engineering, he brings leadership and community-building skills honed through extensive Toastmasters service—mentoring, revitalizing clubs, and leading divisional initiatives. He holds advanced credentials including an MS in IT Management, AWS DevOps certification, PMP and Scrum Master, and is pursuing doctoral studies in communication, reflecting a blend of technical depth and strong communication craft. An avid martial arts practitioner, he applies that disciplined mindset to steady, iterative improvement in teams and systems.
10 years of coding experience
21 years of employment as a software developer
Master of Science (M.S.) Information Technology Management, Master of Science (M.S.) Information Technology Management at Golden Gate UniversityAssociate in Applied Science Computer Technology, Associate in Applied Science Computer Technology at Heald CollegeBachelor of Science (B.S.) Information Technology, Bachelor of Science (B.S.) Information Technology at University of PhoenixAI for Trading Artificial Intelligence, AI for Trading Artificial Intelligence at UdacityHigh School/Secondary Diplomas and Certificates, High School/Secondary Diplomas and Certificates at Pittsburg High SchoolDoctoral Student Communication, Doctoral Student Communication at University of the PhilippinesCertificate of Achievement Advanced Java Programming, Certificate of Achievement Advanced Java Programming at Diablo Valley CollegeOnline Program Cloud & DevOps: Continuous Transformation, Online Program Cloud & DevOps: Continuous Transformation at MIT Professional EducationHong Kong University of Science and Technology (HKUST)
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (14)
javascript9
open-source9
react5
react-components4
responsive-design4
web-application4
css3
angular3
angularjs3
responsive3
bootstrap3
typescript2
zapier1
integrations1
Programming languages (9)
Github contributions (5)
leemtek/antiochtoastmasters.gatsby
Jun 2019 - Apr 2021
Gatsby website for Toastmasters Creating Communicators 684665
Contributions:8 reviews, 30 PRs, 39 pushes in 1 year 10 months
gatsbyreactlgbttoastmastersgatsbyjs
leemtek/thereishope.biz
Jun 2016 - Jun 2018
Contributions:4 PRs, 27 pushes, 4 branches in 1 year 11 months
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