Welcome! 👋
I'm a DevOps Engineer passionate about building reliable, scalable infrastructure. With expertise in containerization, CI/CD pipelines, and cloud-native technologies, I help teams deliver software faster and more reliably.
This site is my professional home — download my CVs in English or Hungarian, and explore my work history and technical expertise below.
Bertalan Kristof
Senior DevOps Engineer
Azure DevOps • Terraform • ArgoCD • Kubernetes
📋 Professional Summary
DevOps Engineer with 5+ years of experience in enterprise environments, specializing in Azure DevOps CI/CD, GitOps delivery with ArgoCD, and Infrastructure as Code using Terraform. Strong background in Kubernetes/OpenShift, Linux systems, and automation using Python and Bash.
⚡ Core Skills
Azure DevOps
Terraform
ArgoCD
GitOps
Kubernetes
OpenShift
Docker
Helm
CI/CD
Linux
Bash
Python
Ansible
PostgreSQL
💼 Experience
Senior DevOps Engineer
ZF Group 2023–Present- CI/CD Pipelines: Built and optimized 12+ Azure DevOps pipelines. Reduced build times from 25 min to 10 min through parallelization.
- GitOps & Deployment: Implemented ArgoCD-based GitOps for 6 microservices. Enabled zero-downtime deployments across environments.
- Infrastructure as Code: Managed Terraform configurations for cloud resources. Automated environment provisioning reducing setup time by 80%.
DevOps Engineer
OTP Bank 2021–2023- Pipeline Development: Maintained 18+ Azure DevOps pipelines. Implemented automated testing reducing manual QA by 35%.
- Deployment Automation: Created Ansible playbooks for application deployments. Improved deployment consistency and reduced errors by 40%.
- Tooling & Documentation: Built internal DevOps guides and runbooks. Accelerated team onboarding from 2 weeks to 3 days.
Junior DevOps Engineer
SCADEMY 2020–2021- CI/CD Setup: Developed GitLab CI/CD pipelines for 5 Python/Node applications. Automated build and test processes.
- Docker & Containerization: Containerized legacy applications reducing deployment complexity. Standardized deployment process across team.
- Scripting & Automation: Created Bash/Python scripts for repetitive tasks. Eliminated manual processes saving 10+ hours per week.
🎓 Education
BSc Computer Engineering
Óbuda University
2018 – Present