Platform & infrastructure
Kubernetes, Helm, Terraform / OpenTofu, Docker, Ansible, Linux (Debian, Ubuntu, Red Hat), AWS, Azure, Cloudflare, ingress-nginx, cert-manager, external-dns, CoreDNS, WireGuard
Delivery
GitLab CI, GitHub Actions, Bitbucket Pipelines, Kaniko, Renovate, DNSControl, Playwright, k6
Observability
OpenTelemetry, Grafana Alloy, Prometheus, Loki, Tempo, Pyroscope, Grafana, Uptime Kuma, Datadog, New Relic
Data & messaging
PostgreSQL (CloudNativePG), MySQL / MariaDB, Redis, Kafka, RabbitMQ, Typesense
Backend
PHP (Laravel incl. Octane, Symfony), Node.js, Python, Java, C
Frontend
JavaScript, TypeScript, React, Inertia.js, Vue.js, Tailwind CSS, Vite, Sass / Less, Handlebars
CMS & e-commerce
Ghost, WordPress, Salesforce Commerce Cloud, Shopware, Magento, Oxid, PrestaShop, Drupal
Design
Photoshop, Illustrator, InDesign, XD, Premiere Pro, After Effects
Earlier: Zend, CakePHP, AngularJS, Backbone.js, jQuery, Google Web Toolkit, Bootstrap, Joomla, October CMS.