Eduard Marbach

Profile

Cloud Architect & DevOps Engineer with extensive experience in software development and cloud technologies (10+ years). Founder of raydak GmbH, specializing in professional cloud architecture and consulting, particularly with AWS. Experienced in implementing modern technology stacks, containerization, and automation solutions. Strong background in full-stack development and DevOps practices, with expertise in Kubernetes, Docker, and various cloud platforms. I use AI tools to accelerate coding and improve efficiency while validating outputs against established practices. I contribute to open-source projects and welcome new challenges.

Experience

raydak GmbH

Stuttgart, DE

Founder

01/2022 - Present

  • Professional architecture and consulting for cloud environments (especially AWS)
  • Project lead for client cloud engagements, managing scope, delivery, and stakeholders
  • Built and operate the full company infrastructure as code with Pulumi across AWS and Azure, reused as a baseline across client engagements, including web identity/auth
  • Server setup and configuration with Proxmox
  • Workshops and consulting
  • Software development with modern technology stacks
  • Open-source and community projects and support
  • AI-supported solutions and implementations such as AI agents and tooling — GitHub Copilot, ChatGPT, Claude Code, Opencode, Pi, Gemini, ...
  • Templates for AI-assisted development such as MCPs, skills, agents, ...

OpenSource

Stuttgart, DE

Open-source contributor

01/2020 - Present

  • Configarr — a synchronization tool for media stacks
  • VisualDataWeb — took over the GitHub organization for VisualDataWeb
  • Travo — dashboard for OpenWRT routers with WiFi management, VPN/service management, and system configuration (Go backend + React frontend)
  • Blog on various topics (including DevOps, cloud, automation)
  • Contributing to various projects such as Pulumi, OpenEBS, ...

DB Systel

Frankfurt, DE

Principal Developer & AI Expert

10/2025 - Present

  • Python development and modernization of multiple applications in a lead role
  • Improving and extending existing applications; improving resilience and stability
  • Automation of multiple OpenShift clusters with Pulumi
  • Enterprise architecture for DNS, high availability, and resiliency across the network and application estate
  • Implementing AI-supported solutions to improve application performance and user experience
  • Training and rolling out AI tools for the team to increase efficiency and speed up development
  • Tools such as GitHub Copilot, Claude Code, Opencode, Pi
  • Preparing templates such as skills, MCPs, and tailored agents
  • Live Upgrade with Enterprise DNS System (QIP23, QIP25)
  • Extensive ansible setup with Ansible Automation Platform

Synava (Medavis, InformMe)

München, DE

SRE Engineer & Cloud Architect

09/2025 - 02/2026

  • TypeScript/Bun backend development and API optimization
  • Aligning cloud setup across stakeholder groups
  • Migrated parts of the platform from external services to AWS-internal services, moving IaC from CDK to Terraform and Pulumi
  • Implementing best practices for cloud security and compliance
  • Building a full monitoring and tracing stack with OpenTelemetry, Grafana, Loki, Prometheus, Tempo
  • AI-assisted development with GitHub Copilot and AI agents

DB Systel

Frankfurt, DE

Cloud Architect & Principal Developer

02/2025 - 08/2025

  • Python application development with modern tooling (uv, pytest) and migration from Lambda to Kubernetes
  • Building, modernizing, and consolidating on unified Infrastructure as Code (Pulumi) in AWS and Kubernetes
  • IT concept and migration strategy for consolidating IaC onto Pulumi in an automated AWS environment
  • Integrating network systems (VitalQIP, Cisco, Aruba) into a network source of truth (Nautobot/NetBox)
  • Introduced and implemented the full monitoring and tracing stack with OpenTelemetry, Grafana, and Loki for the Python application
  • AI-assisted development with GitHub Copilot and AI agents

CRBN AI

USA

Co-Head of Engineering

06/2023 - 12/2024

  • Fullstack development with React/TypeScript and backend integration with AI/LLM services
  • AI solution for searching and querying large document volumes securely
  • Cloud setup & deployment, IaC, DevOps, security with Pulumi
  • Migrated a legacy application's infrastructure from SparkleFormation to Pulumi to unify it into one straight deployment pipeline with the rest of the stack
  • Enterprise architecture with a focus on secure integration

raydak GmbH

Stuttgart, DE

Cloud Architect

10/2024 - Present

  • Full-stack development with Remix/TypeScript for AIFred and Configarr
  • Automation across cloud, testing, and deployment (including community integrations)
  • Server automation with Proxmox and OpenStack; Kubernetes with K3s

DB Systel

Frankfurt, DE

Cloud Architect

01/2023 - 10/2024

  • Python development for network automation and integration systems
  • Modernizing Deutsche Bahn's future network infrastructure, based on Kubernetes
  • Responsible for designing and setting up the cloud architecture in AWS
  • Project lead for the automated AWS infrastructure rollout
  • Advised and supported the e-commerce/ticketing platform team in the passenger transport sector on cloud and infrastructure topics
  • IT concepts for migration strategies in automated AWS environments
  • Implementation of different monitoring solutions for distributing, managing and securing the application landscape

Mercedes-Benz AG

Sindelfingen, DE

Cloud Architect & DevOps

10/2019 - 04/2023

  • Full development of KPI dashboard for global IT with React/TypeScript
  • Development on MO360-FTK (Microfrontend Framework)
  • Project Lead & Development - Tool collection application
  • Complete AWS setup, deployment and maintenance for teams/products (Kubernetes - EKS, RDS, Cache, ...)
  • Migration strategy and execution from on-premise infrastructure to AWS
  • Migration strategy and execution from a CaaS (Container as a Service) platform to AWS
  • Enterprise architecture, defining the baseline AWS environment and architecture reused by many different teams
  • Complete setup of the cloud network with OnPremise (IPAM, DNS)
  • Fully automated CI/CD & IaC with Terraform for AWS

Software Developer (Production)

06/2018 - 09/2019

  • WebApp Development
  • Development on Switch (Framework for WebApps)
  • Project-Lead and Development of production application MO Connect
  • Development and Establishment of Daimler Styleguide
  • Different backend and infrastructure projects
  • Driving DevOps strategy based on CI/CD pipelines via Gitlab and Azure DevOps
  • Automation setup for everything possible

Software Developer (Research)

July 2017 - May 2018

  • Machine Learning, App-Development
  • Fullstack Development of server and web applications
  • Innovation-Driven focus
  • Server-Management and administration with Rancher
  • Testing of DevOps strategies via CI/CD pipelines
  • Cultural Change, Agile Transformation and Coaching

AEB GmbH

Stuttgart, DE

Software Developer

04/2015 - 06/2017

  • Development of international solutions for customs including export, import and transit
  • Close cooperation with foreign partners
  • Full-stack development with Java (e.g. JRebel, Eclipse) and in-house frameworks
  • Automation and CI with Jenkins with multiple test stages

University Stuttgart

Stuttgart, DE

Research Assistant

10/2013 - 03/2016

  • Development WebVOWL
  • Development OWL2VOWL
  • Research in Semantic Web Technologies

projects

VisualDataWeb

OpenSource

Took over the VisualDataWeb GitHub organization; widely used tools such as WebVOWL for ontology visualization.

Different projects

raydak-labs

Various Go/Kubernetes tooling and Pulumi providers - Prometheus Turbostat Exporter (CPU C-states/pkg-states monitoring), Kubernetes CSI driver for mergerfs (FUSE union volumes with Helm chart), cert-manager ACME DNS01 webhook for Dynu, Pulumi providers for Netcup and F5OS, and a Renovate orchestration server across GitLab/GitHub.

Jellyfin plugins

OpenSource

RemoteAuth (trusted-header SSO/forward-auth with RBAC-based library access) and Empty Folder Cleaner.

AIfred

raydak-labs

A helper tool for all freelancers which helps to focus on getting projects and work done instead of writing responses to recruiters. With an AI approach we generate automated replies for requests from recruiters based on your defined skills and desires.

Configarr

OpenSource

A synchronization tool for media stacks.

Travo

raydak-labs

Dashboard for OpenWRT routers with WiFi management (including hotel captive portal support), VPN/service management, and system configuration. Go backend and React frontend monorepo, cross-compiled for OpenWRT devices such as the GL.iNet Beryl AX and Slate AXT1800, with CI/CD publishing install tarballs as GitHub Releases.

Automation Guidance

OpenSource

Setting up automation and virtualization for customers to simplify use cases from home automation to multi-container stacks with Proxmox and OpenStack, including Kubernetes in forms such as K3s, OpenShift, and Talos.

Engilada - Crypto transaction provider (discontinued)

raydak-labs

Transaction provider similar to Paypal integrating different wallet implementations to execute smart contract transaction or move coins between wallets. Separate page which follows similar redirect concept like paypal. Discontinued project.

Pylon - IOTA NFT Marketplace (discontinued)

raydak-labs

NFT Marketplace for the IOTA Foundation and MIOTA Coin. Discontinued project.

IOTA projects / contributions (discontinued)

raydak-labs

Different projects and tasks for the IOTA Foundation.

Docker & Kubernetes Workshops

raydak-labs

Workshops teaching Kubernetes usage, cluster setup, and production deployment with Rancher RKE

Family Office Visualization

raydak-labs

Implementation of ontology-based visualization for family offices to support financial needs

MO360-FTK

FOSS/Mercedes

Microfrontend framework for developing efficient and reusable web components across multiple webapps

Restyaboard

OpenSource

Initiated Docker-based solution for Restyaboard, a Kanban alternative program. Maintainer of the Docker solution and CI/CD

WebVOWL + OWL2VOWL (Visualization)

OpenSource

OWL (Web Ontology Language) represents ontologies with a formal language. Together with the visual representation VOWL it can be used to visualize connected data. WebVOWL is an WebApp to visualize this language multiple ontologies and analyzing methods. OWL2VOWL is the underlying backend for transforming ordinary defined ontologies in RDF or other formats into the specific JSON structures needed for WebVOWL.

Education

M.Sc. in Software Engineering

University Stuttgart

10/2015 - 04/2018

Master's degree focusing on software architecture and development

B.Sc. in Software Engineering

University Stuttgart

10/2013 - 09/2015

Bachelor's degree in software engineering fundamentals
photo of me

Skills

    • Frontend
    • JavaScript/TypeScript
    • React
    • NextJS
    • Remix
    • SolidJS
    • HTML/CSS
      Backend
    • Java/Kotlin
    • NodeJS
    • Python
    • Go
      Database
    • Postgres
    • Supabase
    • Redis
    • Sybase
      Network
    • DNS
    • IPAM
    • QIP
    • Nautobot
    • NetBox
      DevOps & Cloud
    • AWS
    • Azure
    • Docker
    • Kubernetes
    • OpenShift
    • Terraform
    • Pulumi
    • AWS CDK
    • Ansible
    • Azure DevOps
    • Oracle Cloud
    • Github Actions
    • Gitlab CI
      Basics
    • Git
    • Kanban
    • Scrum
    • JIRA
    • Confluence
    • Jenkins
      Special
    • Vercel
    • Netlify
    • Cloudflare Workers
    • Proxmox
    • Opnsense
    • Rancher
    • Bun
    • AI Toolings
    • GitHub Copilot
    • Opencode
    • LLM/GPT (OpenAI, Anthropic)
    • Machine Learning
      Monitoring & Observability
    • OpenTelemetry
    • Grafana
    • Loki
    • Prometheus
    • Tempo

Languages

  • German
    Native
  • English
    Professional
  • Russian
    Basic

Diplomas

  • Kubernetes Administrator (CKA) (08/2025)
  • Certified Kubernetes Application Developer (CKAD) (08/2025)
  • AWS Certified Solutions Architect – Professional (2022)
  • AWS Solution Architect Associate (2022)
  • Cloud Engineering with Google Cloud Specialization (2020)
  • CERTIFIED KANBAN COACH® - IBQMI® (2019)

Interests

  • Cooking
  • Smarthome
  • Developing
  • Bushcrafting