Open WebUI Experts in Germany
matched in minutes with vetted freelancers and the power of AI.Hire experts who can set up Open WebUI, connect local or remote LLM backends, and shape chat workflows with models, prompts, tools, and user access. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used Open WebUI
Dirk Peter
Last position:
Freelance Cyber Defense Lead & KRITIS/NIS2 Consultant | AI Security Architect at Self-Employed
Situation: Increasing demand for privacy-compliant AI solutions for clients in the KRITIS and mid-market sector that need to analyze sensitive media content (audio, video, documents) without sending data to public cloud LLMs.
Task: Design, deployment, and secure operation of a fully self-hosted AI infrastructure including a custom-built digital management platform for automated media analysis.
Action: Architected and implemented a multi-tier platform on hardened Proxmox infrastructure with frontend (Nuxt 3, Vue 3, TypeScript, Tailwind 4), backend (Laravel 13, PHP 8.4, Sanctum), data storage (PostgreSQL 16, MongoDB 7), caching/queuing (Redis 7, Laravel Queue), AI workers (Python 3.11, Whisper, DeepFace, Librosa), scheduling (Laravel Scheduler/Cron), and local LLMs (Gemma, DeepSeek, Qwen, Mistral, LLaMA, Phi) via OpenWebUI with segmented network access, API hardening, and audit logging following BSI recommendations.
Result: Fully GDPR-compliant, on-premises AI platform with zero data leakage to third parties.
Task: Overall responsibility as an external Head of Cyber Security / CISO-as-a-Service for the design, implementation, and continuous improvement of ISMS according to ISO 27001, BSI IT-Grundschutz, and NIS2.
Action: Built and managed Cyber Defense Centers (CDC) with SOC operations, integrated SIEM solutions (Splunk, Graylog), established risk-based vulnerability management (Qualys, Nessus, OpenVAS), and conducted regular infrastructure, application, and physical penetration tests.
Result: Audit-ready ISMS for multiple clients and a 60% reduction in critical vulnerabilities within 90 days.
Task: Design and execution of NIS2 assessments and operational roll-out plans for KRITIS operators.
Action: Developed an online assessment tool for automated identification of individual weakness profiles, implemented ISMS optimizations, penetration testing, awareness programs, GRC suite deployment, and delivered C-level presentations.
Result: Accelerated the consulting process by 50% and successfully prepared multiple clients for NIS2 compliance.
Task: Incident commander for crisis response, forensics, and business recovery in ransomware attacks and APT campaigns.
Action: Coordinated with state and federal police (LKA, BKA), performed forensic analysis (OSForensics, Wireshark, Kali Linux), executed disaster recovery and BCM strategies, and developed BTC extortion response strategies.
Result: 100% recovery rate within defined RTO windows and sustainable post-incident security architectures.
Action: Planned, built, and operated a hardened multi-VM infrastructure (Proxmox, 15+ VMs) with web and mail servers, Graylog, OPNsense firewalls, CRM/ERP and LLM instances, network segmentation, DDoS mitigation, automated patch management, and backup strategies.
Result: >99.5% uptime over 20+ years and zero compromises.
Action: Designed coordinated phishing campaigns with five levels of difficulty, developed e-trainings and webinars in a PDCA cycle, and led red and blue teams.
Result: Phishing click rate reduced from 35% to under 5% within three campaign cycles.
Hoa Josef Nguyen
Last position:
AI Architect and Enabler at Inhouse / AI Business
Technologies: n8n, Notion, OpenAI API, Claude, MS AI Foundry, MS CoPilot Studio, MS CoPilot, LLM, Node.js, Vercel, LangGraph, PostgreSQL, pgEdge, pgvector, Docker, LangChain, Ollama, Open WebUI
- Continuous evaluation and prioritization of internal automation needs
- ~20 AI agents in active use: research, content pipelines, document processing
- 5 n8n workflows for automated data and process control
- Architecture built on the same principles as in customer projects: state management, event-driven orchestration, API integration
- Ongoing operation and further development
Hamza Khan
Last position:
Academic Research Contributor in Health Sector (Volunteer)
- Acted as technical consultant to optimize multi-layer ensemble models combining ResNet, CNN-BiGRU-Attention, and XGBoost.
- Guided implementation of a Logistic Regression meta-learner to solve class imbalance problems, achieving 92.86% accuracy and 0.9644 AUC on PTB-XL and Chapman-Shaoxing datasets.
Thomas Langer
Last position:
Consultant for AI-driven process automation at Lumiz
AI-driven automation of purchasing on a printing company's website, including selecting delivery times, order options, ordering, payment, and uploading print data from the Lumiz Cloud.
Ivan Vetoskin
Last position:
Senior DevOps Engineer at 58agents
- Provision Kubernetes infrastructure on Azure, GCP, or bare-metal at the hosting provider
- Design and implementation of REST and GraphQL APIs
- Cloud governance (cost, compliance, security)
- Infrastructure-as-Code and CI/CD as code (Terraform, Ansible)
- Container technologies (Docker, Helm)
- Maintain and improve CI/CD pipelines (GitLab CI, GitHub Actions), Argo CD
- Deployment, scaling, and monitoring of microservices
- Distributed event streaming (Kafka)
- Message brokers RabbitMQ, MQTT
- Software development from scratch or further development of existing projects using PHP, Python, Go, C#, and Bash
Jad Nohra
Last position:
Software Developer at Side Project
- Vram.run: Rust, TypeScript, HF Inference API with 19 providers, 220+ HW configs, and 30+ cloud GPUs. Search a model to see which API providers serve it, which GPUs can run it locally (and how fast), and what cloud rental would cost. Or search your hardware and see what fits. Also includes a Rust CLI.
- Psychotron: JavaScript, Web Audio API, AudioWorklet, Canvas 2D. Front-end for flash fiction audiobook with Web Audio DSP chain featuring pitch-shifting, 12-voice chorus, flanger, 13-band EQ, and convolver reverb. Includes a 2D canvas effect morphing engine and synchronized teleprompter.
- RecentWork: Swift, macOS, FSEvents, launchd. macOS daemon that watches project directories and maintains a flat folder of symlinks to recently modified files. Homebrew installable.
- Mini-llm: Bash, macOS, launchd, Ollama, llama.cpp, MLX, Open WebUI. Single command that turns a Mac Mini into a headless AI server.
- ThatSlop: JavaScript. Chrome/Firefox extension for AI content detection on LinkedIn and Twitter.
- Smux: Bash, tmux. Human-friendly tmux wrapper that is Homebrew installable.
- Learn Rust Course: Rust. Course on Rust’s memory model for C++ programmers, written from experience of transitioning from C++ to Rust at Irreducible.
Peter Neumann
Last position:
Pilot testing AI tools & sabbatical for house renovation
- Pilot testing local AI environments to explore local AI use cases and cloud-based AI solutions
- Evaluation of AI tools and techniques
- Use of local AI tools with own data sovereignty
- Prompt engineering
- Creation of example environments for speech-to-text, text-to-speech, text-to-image, text-to-video, and image-to-video
Tools: Grok, Perplexity, ChatGPT, Elevenlabs, Github, Ollama, HuggingFace, Open WebUI, Faster Whisper, LibreTranslate, WSL, Docker Desktop, Shotcut, Audacity, Sound eXchange, Ffmpeg, Coqui TTS, Pinokio, Stable Diffusion Web UI, ComfyUI, OWL, Void Editor
Heiko Huvermann
Last position:
Fullstack Developer / Architect
- Design and implementation of a solution for managing projects, materials, and assets in field operations
- Development of a modern web application (Blazor) for project managers to track inventory, plan demand, and issue transport and purchase orders
- Delivery of a mobile MAUI app for field staff to store and retrieve materials with location-based photo documentation in map views
- Control of the full business logic through a central API
- Tech stack: .NET 9, C#, WebAPI, Blazor, MAUI, REST, PostgreSQL, Entity Framework, Docker, Docker Compose, Ansible, Keycloak, Aspire
- Identity and access management with Keycloak
- Deployment and orchestration via Docker Compose and Ansible
- Project in testing and evaluation phase
Stephan Martin
Last position:
Sabbatical, professional development at Self-employed
- Further training in Snowflake and Google Looker
- Working with LLMs: local models (Llama, Mistral, Gemma, Phi, Qwen, DeepSeek, Bitnet, Flux, Whisper), OpenAI API, frontends (ollama, openwebui, loacalai)
- Inference methods: llama.cpp, vLLM, transformer
- Quantization, benchmarking, prompting
- LLM Agents (Tool/Function Calling, LangChain, LangGraph, MCP)
- Topics: attention, reasoning, chain of thoughts, RAG, GraphRAG, mlflow
- Cloud hosted: ChatGPT, Claude, Gemini
Ioan Liviu Popa
Last position:
IT Specialist/Application Developer at HST Systemtechnik GmbH / Axel Zangenberg GmbH
- Development of web applications and integration with the Work4All ERP/CRM system using Node.js (Express.js, Socket.IO, TypeScript, Angular, Material, Angular Flex)
- Development of web applications with PHP (without framework)
- Frontend development with HTML, CSS, SCSS, JavaScript, JSON, Bootstrap, complex forms and data tables
- Database work with Microsoft SQL Server, MySQL, MongoDB and others
- Collaborative work using Agile/Scrum and version control with Git
- Configuration, maintenance, migration and backup of CMS (Joomla, Mediawiki, Piwik/Matomo)
- System administration until 2019: maintenance and configuration of servers (Windows, Linux), clients and network
- Virtualization with VMware ESXi and Veeam Backup & Replication
- Initial steps in the field of artificial intelligence and machine learning.
Discover over 15,000 top freelancers
Statistics of experts using Open WebUI
Aggregated from the professional profiles of matched freelancers.
Experience
25 years
Position duration
2.2 years
Positions per freelancer
14
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Automotive, Professional Services
Certification focus areas
Information Technology, Business Intelligence, Project Management
Bachelor's degree or higher
100%
Master's degree or higher
29%
Doctorate
14%
Certifications per freelancer
4
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Germany using Open WebUI
Rates are based on recent contracts and do not include FRATCH margin.
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
What it is
Open WebUI is a self-hosted web interface for working with large language models. Teams use it to give specialists a clean chat experience, control access, and keep model use inside their own environment. It is also known as Open Web UI, which some searchers use when looking for the same project.
Typical work
- Internal chat for teams and departments
- Model selection across local and remote backends
- Prompt templates, tools, and reusable workflows
- Access control for groups and users
- Custom branding and settings for company use
Ecosystem
Open WebUI is often paired with Ollama, OpenAI-compatible endpoints, and local model servers. Strong experts know how to connect embeddings, retrieval features, file handling, and tool use without making the interface confusing. They also understand how to keep the setup stable across updates and different model providers.
When companies hire help
Companies bring in freelance specialists when they want a fast internal rollout, a clean integration with existing model infrastructure, or help after a rough self-hosted setup. In Germany, this often matters for teams that need English and German support, clear handover notes, and remote collaboration across distributed groups.
What good specialists do
Good Open WebUI professionals think beyond the screen. They plan the model connection, user roles, prompt design, and deployment path together, then test how the interface behaves under real company use. They should also know when to adjust settings, when to simplify, and when to leave the backend unchanged.
Key signals
- They have shipped self-hosted AI chat setups
- They can explain model routing and access control clearly
- They can work with Linux, Docker, and API-based backends
- They document changes so teams can maintain the system
- They can support local deployment and remote collaboration
Frequently asked questions
Not sure where to start with Open WebUI? These answers cover the essentials.
Open WebUI is used to give teams a controlled chat interface for working with language models. Companies use it for internal assistants, model testing, prompt workflows, and self-hosted access to AI tools. It is useful when the team wants a simple front end without giving up control over the backend.
Open WebUI sits between a basic chat tool and a fully custom interface. It gives you a ready-made experience with model connections, users, prompts, and file-based features, while still staying self-hosted. A custom front end offers more freedom, but it usually takes more design and engineering work.
A strong Open WebUI specialist usually knows Linux, Docker, API-based model backends, and basic security setup. Familiarity with Ollama, OpenAI-compatible APIs, and retrieval features is often useful too. Good documentation and clear handover skills matter as much as technical setup.
The right Open WebUI freelancer depends on scope. A simple internal rollout may only need someone who can install, connect, and configure the interface, while a more complex setup needs deeper knowledge of model routing, access control, and deployment. If the system has to fit into existing company processes, choose a specialist who has done that before.
Yes, Open WebUI work is often done remotely, especially when the task is setup, configuration, or troubleshooting. For teams in Germany, remote collaboration works well if the specialist can communicate clearly in English or German and document the setup well. On-site help is mainly useful when the environment is sensitive or the handover needs to be very close.
Ask which backends the Open WebUI freelancer has connected, how they handle users and permissions, and how they test updates. It also helps to ask about prompt design, file handling, and what they would change in your current setup. Clear answers here usually show whether they understand the full workflow.
A good Open WebUI implementation is easy to use, stable to run, and clear to maintain. The interface should match the team’s workflow, the model connection should be reliable, and the setup should not depend on hidden manual steps. Good specialists also leave useful notes so the system can be maintained later.
Yes, people often use Open WebUI and Open Web UI for the same project. The official name is Open WebUI, but searchers may type it with a space. A good freelancer should recognize both forms and know the product behind them.
The average hourly rate of freelancers in Germany who have used Open WebUI in their recent projects is 106 €, which corresponds to a daily rate of about 845 € based on an 8-hour working day.
Of the freelancers in Germany who have used Open WebUI in their recent projects, 100% hold at least a Bachelor's degree, 29% hold at least a Master's degree, and 14% hold a doctorate.
On average, freelancers in Germany who have used Open WebUI in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers in Germany who have used Open WebUI in their recent projects are German (100%), English (100%), and French (20%).
The most common industries among freelancers in Germany who have used Open WebUI in their recent projects are Information Technology (100%), Automotive (60%), and Professional Services (50%).
The most common business areas among freelancers in Germany who have used Open WebUI in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (80%).
Main locations of FRATCH Experts, who have recently used Open WebUI
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
