Marketo Engaged Business Practitioner
Achieved Adobe Certified Professional - Marketo Engage, now excelling in custom objects and technical implementations!
DevOps Engineer
Duane Leem
With over two decades in IT, I've been a key resource in managing complex systems and developing diverse software applications. Specialized in Software Engineering and Project Management, my career showcases a rich timeline of milestones that reflect my expertise in the IT landscape.
About me
Beginning in the year 2000, I have been an instrumental resource for both business associates and clientele, skillfully managing intricate systems and networking architectures, as well as crafting a diverse array of software applications. My professional journey in the realm of Information Technology is particularly focused on the specialized fields of Software Engineering and Project Management.
To offer a comprehensive overview of my career milestones, I've assembled a detailed timeline that highlights my depth of experience within the IT sector.
Work experience
Senior DevOps Engineer (2018 - Current)
- Senior DevOps Manager (2022 - Current)
- Lead DevOps Engineer (2018 - 2022)
2018 - Present
As a Senior DevOps Engineer at Warrior Trading, I lead AWS & Kubernetes initiatives to enhance server performance. Proficient in multiple technologies, my focus is on automating software delivery through Jenkins, Ansible, and Terraform. Committed to innovation, I ensure high availability and quick deployments.
Full Stack Software Engineer (2006 - 2018)
- Chief Technology Officer (2014 - 2018)
- Director of Technology (2010 - 2014)
- Lead Web Developer (2006 - 2010)
- Network Administrator (2006)
2006 - 2018
As a Software Engineering Manager, I excel in orchestrating full stack development, guiding projects from inception to deployment with a strategic approach. My expertise in leveraging cloud infrastructures like AWS and Google Cloud, coupled with containerization through Docker, has driven cost efficiency and process automation at Staged Homes. My proficiency with modern JavaScript frameworks and commitment to robust back-end solutions consistently enhance scalability and performance.
Education
Certified Information Systems Security Professional (CISSP)
International Information System Security Certification Consortium (ISC2)
Certified April 2024
🔗 Credential Certificate
Distinguished Toastmaster (DTM)
Toastmasters International
Achieved August 2024
🔗 Award Plaque
Machine Learning Engineering for Production (MLOps) Specialization
DeepLearning.ai
Program Completion December 2022
🔗 Certificate of Completion
Artificial Intelligence for Trading
Udacity
Program Completion April 2022
🔗 Certificate of Completion
Certified Kubernetes Application Developer
The Cloud Native Computing Foundation
Certified January 2021
🔗 Certificate of Completion
Cloud & DevOps: Continuous Transformation
MIT Professional Education
Program Completion August 2020
🔗 Certificate of Completion
AWS Certified DevOps Engineer - Professional
Amazon Web Services
Certified February 2019
🔗 Certificate of Completion
Master of Science in Information Technology Management
Golden Gate University, Ageno School of Business
Graduated 2014
🔗 Master's of Science Degree
Project Management Professional (PMP)
Project Management Institute
Certified 2013
📄 Credential ID 1680603
Skills
Discover the proficiencies that allow me to bridge technology teamwork and innovation.
Machine Learning Engineering
Integrated advanced machine learning solutions into new and existing web applications, enhancing functionality and user experience.
Machine Learning Operations
Deployed, managed, and monitored custom machine learning models and large language models (LLMs) in production environments, ensuring reliability and scalability.
AI Agent Development
Designed and implemented AI agents to automate workflows and boost user productivity across various applications.
Cloud Security Engineering
Implemented robust security controls and best practices for cloud infrastructure, ensuring data protection and compliance in production environments.
DevSecOps Integration
Integrated security into CI/CD pipelines, automating vulnerability detection, threat monitoring, and remediation throughout the development lifecycle.
Application Security
Conducted security assessments and applied secure coding practices to safeguard web applications against emerging threats and vulnerabilities.
CI/CD Pipelines
Safely automate the transition of code from development to production.
Microservices
Build microservices to fortify our application architecture and meet organizational objectives.
Kubernetes
Manage Kubernetes clusters to deliver scalable, resilient, and high-performance solutions
Serverless Architecture
Leverage serverless technology to minimize infrastructure overhead and accelerate time-to-market.
Terraform Cloud Solutions
Architect cloud infrastructures using Terraform to align with organizational scalability and security goals.
Agile Project Management
Drive Agile Project Management initiatives to enhance team productivity and fulfill organizational goals.
E-Commerce Platforms
Manage e-commerce stability and payment security across organizational platforms.
Integrate Marketing Platforms
Seamlessly integrate key marketing platforms like Marketo, Salesforce, and ClickFunnels with core organizational systems.
Adaptability
Champion the organization's adaptability to technology changes, focusing on agility and business alignment.
Project Highlights
Successfully navigating through complex project lifecycles, each initiative moved from ideation to completion. Leveraging Agile methodologies and DevOps practices, and benefiting from cross-functional team collaboration, every project met or exceeded quality and timeline expectations. This section showcases these accomplishments.
Kubernetes WordPress
Making WordPress Scalable
Description:
To enhance security and scalability during peak traffic, I've transformed WordPress components into immutable structures, significantly boosting server resilience against DDoS attacks and ensuring high uptime, thereby increasing profitability through reliable user access.
Role:
As a DevOps Engineer, I spearheaded the development of a comprehensive proof of concept, crafting vital components such as CI/CD pipelines, WordPress plugins, and firewall configurations, seamlessly integrating them through meticulous programming.
Marketo Integration
Elevating Our E-Commerce Experience
Description:
We've expertly integrated Marketo across our website, including the cart, checkout, and e-commerce platform, to deliver an unparalleled educational experience for our customers, enhancing engagement and streamlining their journey.
Role:
As the lead on the Marketo integration, I skillfully utilized technologies like Kubernetes, Python, and Ansible, employing iterative project management methodologies. This strategic approach ensured the seamless incorporation of Marketo across our platform, culminating in the successful delivery of a robust final product to the organization.
Project Genesis
Redefining the Online Shopping Journey.
Description:
To enhance customer decision-making and UX, we've meticulously upgraded our entire checkout process, offering a smoother, more intuitive journey. This refinement includes an expanded range of payment options like Klarna and PayPal, tailored to best suit our clients' diverse day trading needs and preferences.
Role:
I led the project, adeptly managing stakeholder expectations and clearly communicating technical requirements. By developing detailed functional specifications, I coordinated the project's many intricate components, steering it to successful and timely completion. My approach showcased an ability to navigate complex operational environments effectively.
Client testimonials
Discover what clients have to say about their experiences working with me.
" Duane was very resourceful and highly motivated when working the Help Desk at Vodafone. All the internal customers loved how patient and personable he was over the phone when assisting them with their issues. Duane was able to handle multiple tasks and was always willing to work outside his job responsibilties. If he didn't know an answer he would do the research to find it. I highly recommmend him as a valued employee. "
Sharen Hamasaki
Sr. Systems Engineer | Vodafone
" I highly recommend Duane Leem for his exceptional tech skills and leadership abilities. As the past Toastmasters Division B Director, I have had the pleasure of working closely with Duane in his role as one of my Area Directors for 2021-2022. During that time Duane was an invaluable asset, a great team player, extremely reliable and proved to be an important member... "
Joann Bradley, DTM
Co-Chair | Toastmasters D57 Speakers Bureau
" There are not enough Great words to describe Duane Leem and his extraordinary talented work. I hired Duane many years ago to work with me in my California office to build my Stagedhomes official website in the early 2,000s years. And Build it he did. His care, openness, talent and knowledge were outstanding and grew to be Totally AMAZING. "
Barb Schwarz
Inventor of Home Staging & Staging Industry
" Duane was an excellent project manager at Novactive, conscientious and organized, he is someone you can count on. He is resourceful and highly motivated, always willing to do things right, he carefully managed clients to always find a way to get the job done. Fast learner and detail oriented, his technical skills coupled with his agile pragmatic approach helped a lot on projects we were on. I would not hesitate to endorse him to anyone requesting this. "
Sébastien Morel
Chief Technology Officer | Crystallize
" Duane is enthusiastic about his work and always makes himself available to his colleagues. He's helpful, knowledgeable and a great problem solver. He's able to take on multiple projects at a time and goes out of his way to accomplish them in a timely manner. It was a real treat to work with Duane! "
Michelle Galvez
Marketing Manager | Staged Homes
" I am writing to highly recommend Duane Leem for his exceptional technical assistance in developing the Toastmasters District 57 Speakers Bureau website. Duane has been an invaluable asset to the project, consistently demonstrating his deep understanding of web development and his dedication to producing high-quality work. "
Gary McKinsey, EA
Chair | Toastmasters D57 Speakers Bureau
Let's Collaborate to Bring Your Vision to Life!
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Browse my blog for articles and insights
Explore a blend of tech insights and DevOps wisdom, with a sprinkle of WordPress magic, on my enlightening and engaging blog
CISSP Achievement Unlocked
Duane reflects on earning his CISSP after two decades in IT, celebrating a major milestone in his professional journey.
BACN Speech - Image Making with AI
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Brentwood Tech MeetUp on 2023-09-13
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