Hi, I'm David Kljajo

DevOps Engineer | System Administrator | AI/ML Enthusiast

I began my career in management before transitioning into tech — now I focus on cloud automation, system administration, and infrastructure as code, with a growing specialization in Data Science & MLOps. I'm passionate about solving complex problems, optimizing systems, and continuously learning new technologies that bridge infrastructure with innovation.

What I Do Build and automate CI/CD pipelines using AWS CodePipeline, CodeBuild, and CloudFormation Administer Linux/Unix systems — user management, shell scripting, service configuration Implement Infrastructure as Code with Terraform and Ansible Containerize and orchestrate applications with Docker and Kubernetes Explore Machine Learning & MLOps — from data pipelines to model deployment Provide technical and customer support with a focus on fast, clear resolutions Tech Stack

Cloud & DevOps: AWS, Docker, Kubernetes, Terraform, Ansible, Linux, CI/CD

Languages: Python, JavaScript, C#, SQL, HTML, CSS

Data Science & ML: TensorFlow, Keras, Pandas, NumPy, Scikit-Learn, Jupyter

Databases: PostgreSQL, MySQL, MongoDB

Featured Projects

CI/CD Pipeline — Production-style CI/CD pipeline integrating AWS CodePipeline, CodeBuild, CloudFormation, and Terraform for automated, reliable deployments.

Web Mapping App — Real-time geospatial web app with optimized rendering of complex spatial data layers.

eGallery — A simple, responsive web gallery built with JavaScript, HTML, and CSS.

Certifications & Continuous Learning

Machine Learning Engineering for Production (MLOps) — Coursera

Practical Data Science on AWS — AWS Training

IBM Data Science Professional Certificate — IBM

Applied Data Science with Python — Coursera

Deep Learning Specialization — Coursera

Python for Everybody — University of Michigan

CISCO CCNA R&S