Prometheus Experts in Austria

Sole responsibility for the design, development and deployment of the bilingual Qwik platform eventvideo.at. Responsible for frontend performance optimization (PageSpeed 97/100/100/100), SEO engineering with Schema.org, integration of Google Search Console and IndexNow, and building the GitHub Actions CI/CD pipeline. Requirements gathering and technical implementation.

• Performance Engineering: Google PageSpeed Score 97/100/100/100 (Performance / Accessibility / Best Practices / SEO) through frontend optimization (lazy loading, thumbnail-first, lightweight media integration)
• Full-Stack Web Development: Sole responsibility for development with the Qwik.js framework from frontend to deployment for the bilingual (DE/EN) platform eventvideo.at, marketing personalized, fully automated participant videos for sports events
• Qwik.js Resumability Architecture: Server-side rendering with minimal JavaScript hydration overhead; the page remains immediately interactive even with extensive video and event content, without a full-page load.
• API Integration: Google Search Console API and IndexNow API for automated indexing and SEO monitoring
• SEO Engineering: Schema.org Structured Data implementation for rich snippets and improved search engine visibility
• Mobile-First with minimal bundle size: CSS3 layout without UI framework overhead, consistently lean use of resources for excellent PageSpeed on desktop and mobile.
• GitHub Actions CI/CD: Automated build, test and deployment pipeline for continuous integration

Technologies: Qwik.js Framework, TypeScript, JavaScript, Internationalization (i18n DE/EN), GitHub Actions CI/CD, Google Search Console API, IndexNow API, Schema.org, Google PageSpeed Insights, Lazy Loading, CSS3, Responsive Design

• Planning and implementation of IT infrastructures for customers
• Automation of provisioning with AWS CloudFormation and AWS CDK
• Monitoring and optimization of cloud environments and the entire IT infrastructure
• Technical support and troubleshooting for infrastructure issues
• Collaboration with development teams on CI/CD processes

Refactoring and improving core APIs; implementing client change requests. Setting up metrics, traces, and logs monitoring infrastructure to support operations. Designing GitOps deployment and infrastructure as code. Applications and systems configuration in ArgoCD and Openshift. Confluence documentation of design, approach, and solution. Tech Stack: Java 8 & 21, Spring framework, JSP, JavaScript, Bash scripts, SQL, Grafana Stack, OpenTelemetry, Docker, DB2, Maven, Kubernetes Kompose.

Selected projects:

Kiosk platform – Hospitality

• Led a 3-person team while taking a hands-on role in designing an edge computing infrastructure for over 15 self-service kiosks in Alpine hotels with unstable connectivity
• Designed a Nomad-based cluster with a Wireguard mesh network for fully automated OTA updates, even during local network outages and offline operation
• Integrated physical peripherals (hotel card readers, thermal printers) into a containerized deployment pipeline
• Reduced on-site maintenance visits by ∼40% with a resilient offline-first architecture and Prometheus-based hardware monitoring
• Tech: Nomad, Consul, Wireguard, NestJS, NextJS, Prometheus, Custom Hardware Provisioning

Multi-tenant SaaS platform – Insurance claims management

• Built and operated the Kubernetes infrastructure for a market-leading claims management platform (acquired by an S&P 500 company) — with strict compliance and availability requirements
• Designed a multi-tenant EKS cluster with tenant isolation, enabling cost-effective single-instance hosting for multiple customers
• Introduced dynamic spot instance node pools, reducing infrastructure costs by ∼20%
• Built fully automated deployment pipelines (Terraform + GitHub Actions) for uninterrupted releases during business hours
• Tech: EKS, Terraform, GitHub Actions, Prometheus/Grafana/Loki, PHP, GraphQL

Legacy ERP integration – Construction photo documentation

• Led a 2-person team in designing and building a real-time sync bridge between a legacy Microsoft Access ERP system (without an API) and a modern mobile photo app for construction quality control
• Developed a PostgreSQL pipeline with real-time listeners that extracts data from 1990s Access databases without disrupting existing workflows
• Built a resilient upload architecture using the circuit breaker pattern for unstable construction site connections (S3, NFS, Synology NAS)
• Saved 2–4 hours per week for each project manager through automated photo sync instead of manual USB/SD card transfers
• Tech: NestJS, PostgreSQL, React Native (Expo), S3, Synology API, Offline-First Architecture

Implementation and operation of OpenShift / Kubernetes solutions for customers, focusing on aspects such as storage, virtualization, security, logging, monitoring, and high availability. Support with application containerization and modernization.

• Architected and deployed a highly available, multi-tenant Kubernetes platform on Google Kubernetes Engine (GKE) for business-critical microservices.
• Designed and implemented a comprehensive Infrastructure-as-Code strategy using Terraform for managing GKE clusters, networking (VPCs, Subnets), and IAM policies.
• Engineered optimized storage solutions for stateful workloads (MongoDB) using GKE PersistentVolumes, enhancing performance and data resiliency.
• Established a full-stack observability framework using Google Cloud Monitoring, Logging, Prometheus, and Grafana.

• Owned day-to-day IT operations for Service Desk, Field Service, and on-call support, ensuring business continuity for a multi-site environment
• Led the transition from Lotus Notes incident tracking to ServiceNow, defining process design, workflows, roles, and reporting
• Implemented a modern telephony system with integrated reporting, enabling real-time visibility of volumes, wait times, and SLA adherence
• Launched a customer self-service portal and on-site walk-in support model to improve first-contact resolution and user experience
• Designed, documented, and rolled out SLAs, delivering targeted training for engineers and stakeholders to drive adoption and compliance
• Acted as process owner for service operations, establishing operating procedures, request/change/incident interfaces, and quality controls
• Partnered with business and IS/OT stakeholders to prioritize demand, reduce operational risk, and improve service reliability

• Development of a Custom Jenkins Shared Library (Groovy)

• Integration of security checks in CI/CD pipeline (Shift-Left Approach)

• Automated vulnerability scanning and remediation workflows

• GitOps-based deployments with ArgoCD

• Semantic versioning automation with Git integration

• Container lifecycle management (Build/Scan/Tag/Push)

• ArgoCD webhook integration for event-driven deployments

• Complete cluster automation with Ansible

• Bare-metal Kubernetes installation from scratch

• High-availability control plane setup

• Unified deployment system for multi-application orchestration

• Configuration management according to NIST SP 800-128

• Host security: Linux hardening, SELinux/AppArmor

• Network security: NetworkPolicies, micro-segmentation

• Application security: RBAC, Pod Security Standards

• Data security: Encryption at rest and in transit

• Defense-in-depth principles

• Certificate management with cert-manager

• Secrets management with External Secrets Operator connected to Vault

• Infrastructure monitoring with Checkmk

• Prometheus/Grafana monitoring stack

• Security event detection and logging

• Automated health checks and incident response procedures

• MetalLB load balancing for bare-metal

• Nginx ingress controller with SSL passthrough

• NetworkPolicies for security zones

• Rook-Ceph distributed storage, CNI configuration (Weave Net)

• Container & orchestration: Kubernetes (bare-metal), Docker, Helm

• CI/CD & GitOps: Jenkins (Custom Shared Library), ArgoCD, Groovy

• Automation: Ansible, Bash, Python

• Security: nftables, RBAC, NetworkPolicies, cert-manager, Vault, Sealed Secrets

• Monitoring: Checkmk, Prometheus, Grafana

• Storage & networking: Rook-Ceph, MetalLB, Nginx Ingress, Calico

• Collaboration: Jira, Confluence

• OS: Debian, Ubuntu

• Migrated infrastructure automation from Puppet to Ansible
• Ensured compatibility with CentOS and RHEL 8 and 9
• Managed users in Active Directory
• Managed applications, services, security policies, certificates, and more

• Increased system uptime and performance while decreasing costs. Managing server infrastructure for DLT and application services
• Design and implement AI-workflow automation
• Developed the stakit.io App using Redis, Prometheus, Grafana
• Creating a multi-AI chat App with advanced AI-integration
• Developing an AI-powered document analysis solution for in-house and service deployment

• Advising on AI strategy and implementation for one of Europe's leading digital asset platforms
• Helping teams integrate agentic AI workflows, optimize developer productivity through AI-assisted tooling, and evaluate emerging AI technologies for fintech applications

Responsible for integrating and maintaining web services for external clients and internal systems, emphasizing automation of ETL pipelines and infrastructure management.