Tobias Weiß-DevOps Engineer & AI Infrastructure
Check rate
Experience
DevOps Engineer & AI Infrastructure
Philipps University Marburg
- Evaluating openDesk as MS365 alternative
- Designing AI-optimized infrastructure
- Kubernetes orchestration
- Container security advisory
Freelancer
graphwiz.ai
- AI/XR integration startup
- Developing AI tools with graph database backend
- Product development and customer discovery
- Implementing RAG, vLLM, MLOps pipelines for model serving and monitoring
Doctoral Researcher
JLU Gießen
- Consumer decisions in VR
- Developing AI agents in virtual commerce
- XR-AI integration
- VR lab supervision
- Published research
M.Sc. & B.Sc. Information Systems
FSU Jena
- Specialization in Information Systems and Digitalization
- Study abroad in Estonia and Sweden
IT Management Assistant
Deutsche Telekom AG
- IT administration
- 2nd-level support
- Managing large enterprise IT environments
- Infrastructure operations
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Education, Information Technology, and Telecommunication.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Research and Development, Operations, and Product Development.
Summary
DevOps Engineer & AI/ML Architect with XR integration.
As a specialist combining DevOps, AI/ML, and Extended Reality (XR), I bring a rare intersection of skills that bridges three typically separate disciplines:
DevOps: Kubernetes, CI/CD, sovereign stack, container security
AI/ML: Python, PyTorch, RAG, vLLM, MLOps, GenAI, Agentic AI, LangChain, open-source AI stack
XR: Unity, Unreal, WebXR, A-Frame, VR Lab supervision
Experience: SME, large organizations, public sector
Skills
Devops: Kubernetes, Docker, Ci/Cd (Github Actions, Gitlab), Prometheus, Grafana, Terraform, Ansible, Gitops, Vault, Container Security, Sovereign Infrastructure
Ai/Ml: Python, Pytorch, Rag, Vllm, Mlflow, Kubeflow, Mlops/Llmops, Langchain, Langgraph, Neo4j, Vector Search, Prompt Engineering, Rag 2.0, Guardrails, Open-Source Ai
Xr: Unity 3d, Unreal Engine 4/5, Webxr, A-Frame, Three.Js, Blender, Ai-Xr Integration
Programming: Python, C#, Javascript/Typescript, R, Sql (Postgresql, Mysql), Git/Github/Gitlab
Agentic Ai: Langchain, Langgraph, Agent Workflows, Llm Orchestration, Multi-Agent Design, Prompt Engineering, Guardrails, Rag 2.0, Hybrid Retrieval, Reranking, Open-Source Llms
Oss Ai Stack: Self-Hosted Llm Serving (Vllm, Ollama), Vector Databases (Chroma, Weaviate, Qdrant), Open-Source Models (Llama, Mistral), Local Embeddings, Enterprise Ai With Full Data Sovereignty
Devops Sovereignty: Self-Hosted Infrastructure, Air-Gapped Deployments, On-Premise Kubernetes, Gitops With Vault, Container Security Scanning, Observability Stack, Zero-Trust Networking
Devops Engineering Services: Kubernetes, Ci/Cd, Cloud-Agnostic Infrastructure, Sovereign Stack, Container Security, Monitoring
Ai/Ml Engineering Services: Mlops Pipelines, Llm Deployment, Rag Systems, Multi-Agent Ai, Enterprise Ai Security, Open-Source Ai Stack
Xr Development Services: Unity/Unreal Apps, Webxr, Ai-Xr Integration, Xr Deployment
Languages
Education
JLU Gießen
Doctoral Researcher · Consumer decisions in VR, AI agents in virtual commerce, XR-AI integration · Giessen, Germany
FSU Jena
M.Sc. & B.Sc. Information Systems · Information Systems · Jena, Germany
Deutsche Telekom AG
IT Management Assistant · Rottweil, Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Tobias is based in Giessen, Germany and can operate in on-site, hybrid, and remote work models.
Tobias speaks the following languages: German (Native), English (Advanced), Swedish (Intermediate).
Tobias has at least 14 years of experience. During this time, Tobias has worked in at least 5 different roles and for 5 different companies. The average length of individual experience is 3 years and 11 months. Note that Tobias may not have shared all experience and actually has more experience.
Based on recent experience, Tobias would be well-suited for roles such as: DevOps Engineer & AI Infrastructure, Freelancer, Doctoral Researcher.
Tobias's most recent position is DevOps Engineer & AI Infrastructure at Philipps University Marburg.
In recent years, Tobias has worked for Philipps University Marburg, graphwiz.ai, and JLU Gießen.
Tobias is most experienced in industries like Education, Information Technology, and Telecommunication.
Tobias is most experienced in business areas like Information Technology, Research and Development, and Operations. Tobias also has some experience in Product Development.
Tobias has recently worked in industries like Education and Information Technology.
Tobias has recently worked in business areas like Research and Development, Information Technology, and Product Development.
Tobias holds a Doctorate in Consumer decisions in VR, AI agents in virtual commerce, XR-AI integration from JLU Gießen.
The availability of Tobias needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 25 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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