Hello! I'm Daniel.

AWS Multi-Account Landing Zone Architecture

• ▹5-account infrastructure (Management, Network, Shared Services, Dev, Sandbox)
• ▹Terraform & Terragrunt IaC - 35 modules, 80 components
• ▹Compliance automation: eIDAS, ISO 27001, NIS2, GDPR
• ▹Cost-optimized infrastructure design
• ▹Technologies: Terraform, AWS EKS, RDS Aurora, MSK Kafka, ElastiCache, GuardDuty

Centralized CI/CD & Automation Platform

• ▹GitHub Actions reusable workflows (7 workflows, 20+ repo adoption)
• ▹Multi-platform Docker images (amd64, arm64)
• ▹Automated security scanning (Trivy, Hadolint, gitleaks)
• ▹Technologies: GitHub Actions, Docker, Terraform, Ansible

Multi-Cloud to AWS Migration

• ▹Reduced infrastructure costs by 77% through cloud consolidation
• ▹Achieved 100% uptime within two months
• ▹Migrated 86+ client projects from GCP + Azure + AWS to streamlined AWS EKS
• ▹50% reduction in operational issues through self-service capabilities
• ▹Declarative GitOps infrastructure with Terraform
• ▹Technologies: AWS EKS, Terraform, Route 53, VPN, S3, Helm Charts, GitHub Actions

Enterprise Kubernetes Platform

• ▹Production-grade EKS cluster deployment & management
• ▹22+ Helm charts library development
• ▹Git workflows, staging/dev environments, automated deployments
• ▹Technologies: Kubernetes, Helm, ArgoCD, External Secrets, Kyverno

Microservices Platform Infrastructure

• ▹31 Java microservices orchestration on Kubernetes
• ▹Kafka event-driven architecture (1-5M messages/day)
• ▹26 database schemas with Flyway migrations
• ▹Keycloak identity & access management
• ▹Technologies: Kubernetes, Kafka, MariaDB, PostgreSQL, Redis, Keycloak

• ▹React Native mobile apps for governmental institutions
• ▹Full-stack development with Node.js, TypeScript, React
• ▹AWS Lambda-based serverless backends
• ▹Docker Swarm orchestration for microservices
• ▹Technologies: React Native, Node.js, TypeScript, AWS Lambda, Docker

• ▹Early Docker adoption and container orchestration
• ▹CI/CD pipeline development with GitLab and Bitbucket
• ▹AWS infrastructure setup and automation
• ▹Development team support and DevOps practices introduction

• ▹Web development for high-traffic platforms (port.hu, index.hu)
• ▹Team leadership & technical mentoring
• ▹Large-scale database migration (Oracle → MySQL)
• ▹Early DevOps adoption: Git, Docker, CI/CD

• ▹Foundation in web development across multiple client projects
• ▹Progression from junior to senior developer
• ▹Various technologies and frameworks