23.10.2026 aktualisiert

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Senior DevOps & Cloud Architect/Engineer (AWS) & Solution Architect

Duisburg, Deutschland
Deutschland +2
info: Deutschland, Österreich, Schweiz
Dipl.-Informatiker (FH)
Duisburg, Deutschland
Deutschland +2
info: Deutschland, Österreich, Schweiz
Dipl.-Informatiker (FH)

Über mich

Background in IT management, networking, cloud tech, app development, AI Tooling, Startup Business Development. Creative background, Hands-on or Team leadership. Likes new tech, digital strategy & transformation. A continuous learner who prototypes and ships own apps.

Skills

Apache AirflowCloudfrontAppengineDevOpsOpenShiftAnsibleDatadogGoogle CloudCloudformationKubernetesRancherCloudflareTerraform
Key Skills
  1. highly technical allrounder with 25 years experience in tech
  2. Bridge to Business Side (Experience from own Companies)
  3. roles
  4. Senior DevOps Architect/Engineer
  5. Senior Cloud Architect/Engineer (AWS)
  6. MLOps Engineer
  7. Solution Architect
  8. Platform Engineer
  9. Senior Mobile Developer (Android, Flutter)
  10. cloud native approach with focus on AWS
  11. AWS Certified Solutions Architect Associate
  12. AWS Certified Developer Associate
  13. Certified Kubernetes Administrator (CKA) - ongoing
  14. Serverless/Lambda, CDK (typescript/python), S3, API Gateway, custom authorizer, EKS, SNS, SES, SQS, EventBridge, Cloudfront, Cloudflare, serverless framework, Amplify, IAM Identity Center, AWS Organizations, AWS Verified Access, Amazon Managed Apache Airflow, RDS, CloudFormation, DynamoDB, Cognito, EC2, VPC, ALB, NLB, ECS/FARGATE, Firehose, ECR, documentDB, Bedrock, Cloudwatch, Cloudtrail, codeCommit, codeDeploy, codePipeline
  15. Google Cloud Platform (AppEngine, ComputeEngine, Firebase)
  16. monitoring Kibana, elastic/opensearch, prometheus, grafana, Loki, Alloy, Mimir, opentelemetry, PRTG , nagios
  17. devops/CI/CD
  18. Ansible (advanced)
  19. terraform (advanced)
  20. Gitlab CI (advanced)
  21. Github Actions (advanced)
  22. Docker, Kubernetes, Openshift, EKS, Helm (advanced)
  23. JFrog Artifactory (advanced)
  24. clickhouse
  25. fastlane
  26. sonarqube
  27. rabbitmq, mqtt plugin, own plugins
  28. SSO, Keycloak, OpenId
  29. github, Bitbucket
  30. Datadog
  31. Rancher, ArgoCD
  32. Elasticsearch, OpenSearch, Kibana, filebeat, metricbeat
  33. Grafana, Prometheus, Loki, Mimir, tempo, Opentelemetry, Kibana for monitoring
  34. ML & AI Pipelines CUDA in Docker, pytorch, tensorflow
  35. Whitesource/Mend renovate
  36. Presto/Trino
  37. AI
  38. I stay current and leverage LLMs and a variety of AI tools every day to benefit both my clients and me.
  39. Familiar with OpenClaw, Hermes Agent, OpenRouter and Model Selection in SaaS Environment
  40. LangChain for multi LLM usage, automation and AI service flows
  41. Eager to work with AI-agent frameworks—like Microsoft AutoGen, Google ADK, CrewAI, Hugging Face Transformers Agents and LlamaIndex’s Router Query Engine—to design autonomous, multi-agent workflows that extend my LangChain pipelines.
  42. claude code in terminal is mandatory
  43. AI Code IDE's: windsurf, cursor, copilot, Jetbrains AI Assistent (most likely soon outdated in favor of claude code, codex or openClaw)
  44. chatgpt, gemini and their API''s to get things done faster or improve products
  45. App Dev / Languages
  46. python / firebase / AWS SDK / CDK (backend)
  47. python openai/chatGPT/claude/Llama, Prompt writing, chatbots etc.
  48. Java Android App/Firebase (Focus Frontend UI)
  49. Typescript/node.js CDK
  50. Dart / Flutter (mobile, frontend)
  51. Shellscript/Bash
  52. javascript/typescript/angular (frontend)
  53. Linux expert
  54. LPIC-1 (Linux certification I)
  55. LPIC-2 (Linux certification II)
  56. started working on highly scalable serverfarms on premise in 2001.
  57. digital since 1988

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2009

Sprachen

DeutschMutterspracheEnglischverhandlungssicher

Projekthistorie

Full-Stack Cloud Architect/Agentic Engineer

Internet und Informationstechnologie

AI Assistant (OpenClaw) SaaS for German SMBs. Isolated per-tenant bots via Telegram, WhatsApp and email for communication, documents and scheduling. GDPR-compliant, hosted in Germany

  1. Architected and built the entire multi-repo SaaS platform from scratch (infra, core, admin portal, marketing site)
  2. Designed multi-tenant isolation architecture with per-customer ECS Fargate containers, S3 data partitioning and scoped IAM roles
  3. Built Infrastructure as Code with OpenTofu across 3 AWS regions (eu-central-1, eu-west-1, us-east-1) including ECS, DynamoDB, Cognito, SES, API Gateway, Lambda, CloudFront, Secrets Manager
  4. Implemented automated customer provisioning pipeline (Stripe checkout → Lambda webhook → DynamoDB + S3 + Secrets + ECS deployment → welcome email)
  5. Built multi-route Lambda backend for customer management, billing (Stripe), AI provider key management (OpenRouter, Anthropic) and usage monitoring
  6. Developed Docker multi-tier container architecture with S3 state sync, OpenClaw AI runtime integration, and automated self-testing
  7. Created Next.js admin portal with Cognito OAuth2 PKCE authentication, real-time bot status monitoring, WhatsApp QR pairing, and data export functionality
  8. Integrated multiple AI providers (Anthropic Claude Opus/Sonnet, OpenAI, Google Gemini) via OpenRouter with per-tenant API key provisioning, spend limits and usage tracking

Platform Architect

Öffentlicher Dienst

5000-10.000 Mitarbeiter

  1. Erstellung und Weiterentwicklung von Architektur- und Betriebskonzepten für die Observability Platform, inkl. Definition von Zielbildern, Schnittstellen und Integrationspunkten.
  2. Aufbau und Anpassung der Entwicklungs- und Betriebsumgebung, insbesondere:
  3. CI/CD-Pipelines (z. B. GitLab, ArgoCD)
  4. Release- und Deployment-Prozesse
  5. Automatisiertes Testen und Monitoring
  6. Versionierung und Reproduzierbarkeit von Builds
  7. Betrieb und Pflege der Observability Platform mittels Infrastructure as Code (IaC) mit Tools wie Ansible, Terraform, Helm sowie Cloud-Native-Technologien (Kubernetes, Crossplane, Prometheus, Grafana).
  8. Automatisierung von Prozessen mit Python, Go, Kubernetes Operatoren, REST-APIs und weiteren Cloud-Native-Tools.
  9. Integration von Observability-Komponenten (Prometheus, Grafana, OpenTelemetry) zur Bereitstellung von Metriken, Logs und Traces.
  10. Sicherstellung von Mandantenfähigkeit, Skalierbarkeit und Resilienz der Plattform.
  11. Erarbeitung von Lösungen für Use Cases in Monitoring, Logging, Alerting, Tracing und Service Health.
  12. Umsetzung von Security- und Compliance-Anforderungen (Authentifizierung, Autorisierung, Verschlüsselung, Datenschutz, Zugriffskontrolle).
Tools:
  1. Terraform
  2. kubernetes
  3. GitOps (ArgoCD)
  4. grafana
  5. Alerting rules (Prometheus)
  6. Erstellung von Runbooks
  7. Mimir, Loki und Tempo
  8. Kubernetes Operator Development
  9. Grafana Automatisierung (Grafana Operator)
  10. Software Entwicklung (API Anbindungen)
  11. Tenant Lifecycle

Senior DevOps & AWS Cloud Architect/Engineer

Internet und Informationstechnologie

50-250 Mitarbeiter

Tasks:
  • Lead AWS/DevOps Architect & Engineer improving technical environments
  • Concept, documentation, planning and implementation of Infrastructure, Automation and Security Improvements
  • Concept and Design of whole AWS Infrastructure Automation for quickly bootstrapping dozens of AWS Services to multiple AWS Regions in different Countries 
  • Initiated GitOps, GitSecOps, proper Identity Management 
  • Multi environment Automatization with Terraform, Ansible and Github Actions
  • Setup EKS Cluster with AWS Loadbalancer Controller, ebs-csi-controller, terraform Helm Provider, clickhouse-operator, multiple eks_managed_node_groups 
  • Setup RabbitMQ ec2 and AWS managed
  • Setup AWS managed Airflow with terraform, interconnecting rds, eks, lambda, firehose
  • Monitoring & Alerting with Grafana, Prometheus, Alloy, Loki
  • Certificate Automation with Letsencrypt, Certbot and Ansible
  • Intensive nginx config management with Ansible
  • Docker handling
  • Cost Optimization
  • Automate rollouts to multiple Countries and AWS Accounts with minimal overhead


Technologies:

Linux, Git, Github, Docker, Terraform, Ansible, Python, Nginx, Bash scripting, AWS EC2, API Gateway, AWS Organizations, IAM Identity Center, Cloudwatch, RDS, Cloudfront, Route53, S3, Lambda, Firehose, Hetzner Cloud, RabbitMQ, EKS, ALB, NLB

Geschäftsführer - DevOps/Cloud Architect/Mobile Developer

appex5 GmbH

Internet und Informationstechnologie

< 10 Mitarbeiter

  • Android/Java Multiplayer Game App Development with Google Firebase and serverless backend using AWS API Gateway & Lambda Functions
  • Created AI content Scout backend service for Android App using LangChain, fetch and rephrase text and change image content from reddit, x, threads, bluesky, giphy and make it available in Firebase 
  • OpenAI/ chatGPT web app using different models, tests in Python, paid subscription.
    Backend: running serverless with AWS API Gateway and Lambda. Other services in use are AWS S3/Cloudfront/Route53/Certificate Manager.
    Frontend: Bootstrap, jqueryDeployment: is done with AWS CDK (python)API's connected: Twitter, OpenAi
  • video app development on Firebase (auth, admob, firestore and others) with Flutter/Dart
  • Android/Java Game App Development with Firebase and Google Cloud Functions
  • Implementing different APIs (facebook, twitter, google, etc.) for fetching content to incorporate in app in Flutter/Dart and also Android/Java
  • building CI/CD workflows with Git, Github, Gitlab, vercel, Docker, Dockerhub, AWS ECR, Fastlane (for apps), TravisCI for CI/CD
  • create a media REST API (video, audio, image, text) in Node.js and Angular (UI + tailwind) in Docker on AWS, fly.io.
  • Setup AWS - ECS Fargate with Cloudformation, cloudwatch, serverless services tests in lambda instead ECS Fargate for comparison, API Gateway and dynamodb, mongoDB
  • Setup, include stripe in Angular UI
  • Evaluate Terraform, compare with Cloudformation
  • Setup AWS  EKS Kubernetes Cluster with AWS CDK (instead of Cloudformation) of small web app.
  • Setup Keycloak
  • Setup Google Compute/App Engine for Android App with Docker and jetty
  • Evaluation & setup test env for App Project with Docker, Kubernetes, Skaffold, Helm on Google Cloud
  • setting up corporate Homepage serverless on AWS. Use AWS Route53, Lambda, Api Gateway, s3, Cloudfront
  • WS hardening, security setup (POLP), securing services
Technologies:

Linux, Git, Github Actions, LangChain, openai API, Gitlab CI Pipelines, AWS Route53, AWS Lambda, AWS Api Gateway, AWS s3, AWS Cloudfront, AWS ECS/Fargate, AWS Cloudformation, Google AppEngine, Gitlab Ci,  Node.js, Kubernetes, AWS cloudwatch, AWS dynamodb, cloudflare, docker, Skaffold, Helm, Kafka, RabbitMQ, AWS Kinesis, Firebase

AWS Cloud Architect/DevOps Engineer

Industrie und Maschinenbau

250-500 Mitarbeiter

Tasks:
  • Lead AWS/DevOps Architect and Engineer improving technical environments
  • Customer Consulting in Infrastructure, CI/CD and Software Development
  • Concept, documentation, planning and implementation of Infrastructure, Automation and Security Improvements
  • Automatization with Terraform, Ansible, CDK and Gitlab Pipelines.
  • Build a fully AWS Cloud based SaaS CNC machine controlling customer portal with everything needed like, IaC (terraform), Automation (ansible), Code Management and Pipeline (Gitlab CI), multi-account AWS environments (AWS Organizations, Identity Center), Backup, Monitoring and Security (WAF, security scanning, hardening).
  • UI testing with playwright in Gitlab CI
  • Dockerized RabbitMQ with mqtt plugin and multi authentication chain 
  • AWS China and AliBaba China Setup with terraform

Technologies:

Linux, Git, Gitlab, Docker, Terraform, Ansible, Python, Bash scripting, AWS Cognito, API Gateway, Lambda, SQS, SNS, SES, AWS Organizations, IAM Identity Center, draw.io, Cloudwatch, RDS, Eventbridge, Cloudfront, Route53, S3, RabbitMQ, AWS China, AliBaba Cloud China

AWS Cloud Engineer

Internet und Informationstechnologie

500-1000 Mitarbeiter

- AWS Lambda in Python,
- AWS CDK with Python and Typescript
- S3, Cloudformation, API Gateway, IAM, EC2, Cloudwatch, Cloudfront, Route53, SNS
- Hashicorp vault
- Concept, documentation, planning, architecture
- Gitlab CI
- Artifactory
- serverless framework

DevOps Engineer

Internet und Informationstechnologie

500-1000 Mitarbeiter

- Kubernetes
- Gitlab CI
- Helm
- Rancher
- Ansible
- Artifactory
- elastic search
- Mend
- Sonarqube

DevOps Engineer

Internet und Informationstechnologie

500-1000 Mitarbeiter

- Openshift
- Gitlab CI
- Helm
- Microservices
- Jupyterhub
- Airflow
- Superset
- min.io
- Datascience Cluster

DevOps/AWS Cloud Consultant

Marketing, PR und Design

10-50 Mitarbeiter

- Serverless/Lambda
- S3
- Cloudfront
- Cloudflare
- RDS
- CloudFormation
- DynamoDB
- API Gateway 
- EC2 
- VPC 
- ECS/FARGATE 
- ECR

APP Entwicklung in Flutter - technical startup consulting/DevOps/AWS

Internet und Informationstechnologie

10-50 Mitarbeiter

- created MediaPlayer from scratch, design, implementation in Flutter/Dart, services for IOS and Android
- concept with Adobe XD
- admob, facebook, google login, video, audio handling, charts, provider etc.
- firebase firestore
- all design, look & feel
- consulting backend, api, python, flask, nginx
- build setup in aws 
- bitbucket, git handling, jira, confluence, ci/cd, deploy pipeline

DevOps/AWS Consultant - Flutter Developer

dataWhizz

Internet und Informationstechnologie

< 10 Mitarbeiter

- concept, implementation of Media App for Android & IOS done with Flutter/Dart 
- youtube API, Video & Image Manipulation
- media AWS backend (nginx/Python/ffmpeg) API

Head of Video & Creative Solutions

ADITION technologies AG

Internet und Informationstechnologie

50-250 Mitarbeiter

CTO / co-founder

mov.ad GmbH

Internet und Informationstechnologie

10-50 Mitarbeiter

consultant video advertising

SevenOne media GmbH

Medien und Verlage

1000-5000 Mitarbeiter

consultant adtech

AdLink GmbH

Medien und Verlage

50-250 Mitarbeiter

consultant adtech

Lycos Europe GmbH

Medien und Verlage

1000-5000 Mitarbeiter

technical engineer

web.de GmbH

Medien und Verlage

50-250 Mitarbeiter

Network Operations Specialist

Doubleclick / Google

Medien und Verlage

1000-5000 Mitarbeiter

Senior Network Engineer - IT Manager

Falk eSolutions AG

Internet und Informationstechnologie

50-250 Mitarbeiter

Zertifikate

AWS Certified Developer - Associate

Amazon Web Services

2019

AWS Certified Solutions Architect - Associate

Amazon Web Services

2019

LPIC-1 (Linux certification I)

www.lpi.org

2008

LPIC-2 (Linux certification II)

lpi.org

2008

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