
Qwen Experts in Germany
, matched with vetted specialists in minutesHire experts who adapt Qwen models, build retrieval-augmented applications, fine-tune open-weight language and vision models, and deploy inference workflows. FRATCH connects you with precise matches among vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used Qwen
Murad K.
Last position:
Senior AI/ML Engineer at Quantistry GmbH
- Led end-to-end delivery of ML/AI applications for the QuantistryLab simulation platform, from requirements definition and solution design to development, testing, deployment, and production support, coordinating efforts across back-end, DevOps, and ML teams
- Designed and implemented a compound search system with an open-weights LLM, the Pydantic AI agent framework, and the Model Context Protocol (MCP), exposing it through FastAPI endpoints
- Deployed and configured vLLM-based LLM serving on Kubernetes
- Built CI/CD pipelines and Helm charts to automate deployments across staging and production environments
- Instrumented the search system with OpenTelemetry spans and traces, integrating with the Honeycomb observability platform to monitor component-level latency and functional errors
- Developed a custom evaluation dataset and implemented evaluations for retrieval relevance, answer correctness, tool-call accuracy, and end-to-end task success
- Reduced infrared spectrum prediction time by 83% (from 60 to 10 minutes) by replacing a quantum-mechanical model with a pretrained graph neural network; fine-tuned the model using PyTorch, built and containerized the inference pipeline with Docker, and integrated it into the platform
- Implemented an MLflow model registry with MinIO-backed artifact storage
- Advised sales and science teams on ML/AI applications for prospective client projects, providing technical expertise to shape proposed solutions and prototypes
Technologies: AWS, Hetzner, Kubernetes, Helm, Docker, vLLM, Pydantic AI, MCP, Qwen, Llama 3, MLflow, MinIO, GitHub Actions, Python, FastAPI, OpenTelemetry, Honeycomb, PyTorch, Polars, pytest
Kersten L.
Last position:
Lead Architect / Lead Developer at Bettles: Sports Betting Platform
- Complete greenfield rebuild across the whole stack — built AI-native: backend in Go and NestJS, PostgreSQL (CNPG) on K3s with GitOps/Terraform; frontend on Angular 22, zoneless.
- Orchestrated coding agents (e.g. Claude Code, Cursor) across the entire lifecycle — architecture, implementation, testing, reviews, documentation — driven by Specification-Driven Development (SDD).
- “Bruno” — LLM commentator persona backed by RAG and MCP for a personality that stays consistent across all generations (match previews, post-match reports, his own virtual bets).
Angular 22 (zoneless, without Zone.js), Claude Code, Claude Code Skills, CNPG, Cursor, Design Tokens (Spec for Code), Docker, Gherkin, Git, GitLab, GitOps, Go, Google Gemini, Grafana, Hetzner Cloud, K3s, Keycloak, Kubernetes, Lighthouse, LLM Integration, Model Context Protocol (MCP), NestJS, Node.js, NPM, Playwright, PostgreSQL, Prometheus, RAG, REST, Specification-Driven Development (SDD), Structured Outputs, Terraform, TypeScript, Vitest
Eduard D.
Last position:
Guest Lecturer at Politehnica University Bucharest
"Reasoning Models: From LLM Foundations to NOC Automation."
Thomas H.
Last position:
Senior MLOps, DevOps Engineer at Trianel Energy
- Build and operate an end-to-end MLOps platform on Azure ML and Kubernetes (Kubeflow) for the automated deployment, monitoring, and scaling of forecasting models (including Temporal Fusion Transformer, Informer, Autoformer).
- Implement CI/CD pipelines in Azure DevOps for the full ML lifecycle – from resource provisioning (Terraform), data transformation (Hugging Face Datasets, Pandas, PyTorch, CUDA cluster) through training and evaluation to model registry and endpoint deployment.
- Integrate MLflow for experiment tracking, model versioning, performance monitoring, and automated registration in the Azure Model Registry.
- Develop and containerize PyTorch training jobs (Azure Notebook, Jupyter Notebooks) for price and time series forecasting (PFC models) with automatic rollout via Azure ML Endpoints and REST/gRPC interfaces, Docker containerization, secured with OAuth 2.0.
- Set up monitoring and alerting mechanisms (Prometheus, MLflow Metrics), log centralization, and cost monitoring.
- Automate infrastructure provisioning and model deployment using Terraform, Helm, and Azure CLI; connect to existing market data systems and event pipelines.
- Migrate existing workloads and databases (IONOS → Azure, MongoDB) with integration into central MLOps workflows and internal networks.
- Extend the platform with LLM-based tools (LangChain, LangServe) to integrate GPT-based analysis modules into existing Spring Boot services for market anomaly detection and automated reports.
- Analyze and architect a software solution to process large volumes of data efficiently (>3000 messages/sec.) (market data store).
- Spring Boot / Java 21 container development with RabbitMQ for distributing stock market data via MongoDB (Kubernetes) with fast storage of data in Redis RMaps, deduplication, forwarding messages to Read Model queues, and building Read Models for UI display in MongoDB.
- Integration of RESTHeart to create a REST API for MongoDB.
- Build an Angular frontend to simplify data queries and master data maintenance.
- Agentic coding with remote and local LLMs (Claude Sonnet, Ollama Qwen) and MCP servers.
- Develop Python scripts for transforming and cleaning incoming stock market data (Pandas, scikit-learn).
Thomas P.
Last position:
Unix/Linux Administrator at BDAV Verwaltungs GmbH
- Consulting and project management to build an AI-based automation platform for market data analysis
- Automated testing of financial data
- Market data automation with Python and N8N
- AI data integration and AI learning
- Use of Ollama and Qwen
- Data organization and database management
Sundeep K.
Last position:
AI Engineer at Kingstech Services Pte Ltd
- Fine-tuned and deployed Generative AI and LLM models (OpenAI, DeepSeek, Qwen-2.5) using PyTorch and Hugging Face, increasing ERP automation accuracy by 25%.
- Designed and implemented a secure RAG-powered AI Chabot for customer-specific invoice and quotation generation, cutting response times by 40%.
- Architected cloud-native AI/ML pipelines on AWS and GCP with Docker and Kubernetes for scalable model training, deployment and monitoring.
- Developed and integrated an API-driven AI Chabot (Telegram) with ERP systems, boosting document processing speed by 30%.
- Built AI agents for chatbots to enable multi-step reasoning, intelligent task execution, and context-aware interactions.
- Applied ML and NLP techniques for intelligent document understanding, workflow automation, and data-driven business decisions.
Thomas W.
Last position:
Chief Product Officer at OWNLY FinTech GmbH
Freelance work for a large German family office
Built and further developed a modular B2B SaaS platform for professional wealth management and family offices, alongside freelance delivery of production-ready AI, data management, and automation solutions for the wealth management sector.
- Developed an AI governance framework for regulated finance and asset management workflows, aligned with DORA, BaFin-related governance expectations, and data protection requirements, including role definitions, access levels, and decision rules.
- Designed an agentic system with a locally operated open-source language model, including Qwen2.5 via Ollama, for secure querying of an asset database through text-to-SQL-to-text workflows.
- Built AI-supported analysis and reporting capabilities that generate structured answers, tables, and charts from asset data, with domain validation through resolver logic and RAG elements.
- Developed production-grade data import workflows for financial service provider data from CSV, PDF, and API sources, including validation, plausibility checks, and reconciliation with existing asset data.
- Solved the asset matching problem without a cross-system primary key through multi-stage validation rules and human-in-the-loop approvals.
Results:
- Secured EUR 250,000 in SaaS revenue in 2024, exceeding the forecast by 20%.
- Acquired family office clients with EUR 1.6bn in assets under management.
- Reduced manual effort for the largest client by approx. 3 days per month through automated data import and reconciliation processes.
- Reduced operational error risk through structured data validation, multi-stage asset matching, and human-in-the-loop approvals.
Alexander S.
Last position:
AI Consultant for AI Voice Bot System at Rudolf Hörmann GmbH & Co.KG
- Consultant for system architecture, AI agents & integration, coach for data & process logic, Graph-RAG approaches, security and data protection.
- On-premise AI solutions with high compliance and performance requirements.
- Architecture decisions, operational setup, strategic prioritization & deployment.
- Technologies: LiveKit JS SDK, LiveKit Agents, Web Audio API, JS, AudioWorklet, Loki, vLLM, Zscaler, Docker, Neo4j, MySQL, Python.
- Models: GPT-OSS 20B, Whisper large v3 turbo, Qwen3-TTS.
Dirk P.
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.
Martin R.
Last position:
Senior LLM Research Scientist at BYO Inc.
- Research and develop models for chatbots, NLP and LLMs (e.g. Llama, Qwen, OpenAI)
- Enhance chatbots with RAG, in-context learning
- Supervised fine-tuning (PEFT, LoRA), Huggingface or Unsloth
- Advanced training methods: Test-time training, (transductive) active learning, reinforcement learning
- High-throughput serving with vLLM
- Apply embedding models (e.g. SentenceTransformers), similarity/vector search or vector DB or ranking (e.g. LlamaIndex, Faiss, LangChain)
- Generate and filter synthetic data, clustering
- Detect hallucinations
- Evaluate chatbot models (Rouge, BLEU, F1-Score, Recall, Precision)
- Visualization of experiments (matplotlib)
Michael S.
Last position:
Principal Consultant / Managing Director at The Implementers GmbH
Consulting and interim management in the automotive industry, healthcare and other sectors focusing on program management, production launches, plant management, supplier development, cost reduction, process optimization, AI implementation and AI-driven process automation.
Key projects:
Concept for performance documentation of a pain therapy department with interdisciplinary input and reconciliation with OPS catalogue (Feb 2026).
Complete billing system for a medical practice with multi-tenant support, state machine workflow, ZUGFeRD/EN16931-compliant invoice generation, OpenEMR integration; implemented with ~4 200 LOC Python, ~1 700 LOC SQL, 30+ endpoints, 13 DB migrations (Dec 2025 — Feb 2026).
Clinical decision support system for inpatient pain therapy including automated processing of pain questionnaires, AI-generated therapy recommendations and longitudinal analysis; stack: FastAPI, Ollama, PyMuPDF, React + TypeScript, PostgreSQL, Docker (Sep 2025 — Mar 2026).
End-to-end AI-powered transcription and documentation pipeline from physician-patient conversations with WhisperX transcription, five-stage LLM pipeline, review UI and self-hosted infrastructure; stack: FastAPI, WhisperX, Ollama, React + TypeScript, Docker (Aug 2025 — Feb 2026).
AI-powered pipeline for document recognition and automated bank reconciliation processing >3 000 transactions and >4 000 documents with multi-model OCR, LLM-based document separation, web UI and loop-based prompt versioning; infrastructure: Docker Compose, PostgreSQL, Ollama LLM server (Aug 2025 — present).
Supplier development for suspension parts including changes, new launches, relocations and bottleneck management for KTM (May 2023 — Nov 2024).
Leading transfer of 150 serial production items after supplier plant closure for KTM (Jul 2022 — Jan 2024).
Lean and process consultation for Swiss manufacturer of electro components at Von Roll Schweiz AG (Jun 2018 — Nov 2018).
Ongoing back office support and process improvement for a private pain therapy & TCM practice including anesthesia protocols, website setup, digitalization and process optimization (May 2018 — May 2025).
Acting plant manager for interior trim components in Hungary focusing on stabilization, tooling optimization, headcount reduction and backlog reduction at MAO Automotive GmbH & Co (Feb 2018 — Jun 2018).
Start-up consulting and coaching for private pain therapy & TCM practice covering concept, business plan, financing, construction, setup and SOP implementation (May 2017 — Apr 2018).
Program manager for critical suppliers DAG BR238 door trim leading supplier qualification, sampling, PPAP/EMPB tracking and process approvals at Megatech Industries Deutschland GmbH (Jul 2016 — Oct 2017).
Interim COO and acting plant manager in aluminum profile processing automotive supplier with 350 employees and €80 M revenue, leading expansion in Slovakia at PWG Profilrollen-Werkzeugbau GmbH (Sep 2015 — May 2016).
Leading labor and material efficiency program for headliner production focusing on process, material, labor and supplier cost reduction at Motus Headliner GmbH (Jan 2015 — Aug 2015).
Leading development program for interior door trim DAG C292 including launch phase onsite in MS & AL at Toyota Boshoku America (Sep 2012 — Jan 2015).
Leading cost down team for DAG C218 door panels at Toyota Boshoku Europe NV (Mar 2012 — Aug 2012).
Sun visor development consulting for project team in Turkey including optimization, market analysis and design reviews at MARTUR FOMPAK (Jan 2012 — Dec 2014).
Leading transfer of injection molding tools to new suppliers including sampling, assembly trials and PPAP/EMPB coordination at Toyota Boshoku Europe NV (Jan 2012 — Aug 2012).
Program manager for BMW sun visors L7 Platform with production transfer and new development of F30 sun visor at Magna (Jul 2010 — Dec 2011).
Noushiq M.
Last position:
Projects at Institute for Intelligent Systems
- Evaluation and analysis of camera-based traffic light and sign recognition system on various LLM-based autonomous driving systems (LMDrive, BEVDriver)
- Implemented VLM based traffic notice instruction generation unit for closed-loop autonomous driving system which alerts driver in unforeseen driving incidents
- Developed independent LLM-based local chatbot with Llama, DeepSeek and Qwen including MLflow evaluation framework
Thomas L.
Last position:
Consultant for AI-supported process automation at Lumiz
AI-supported automation of purchases on a printing company website, including the selection of delivery times, order options, ordering, payment and uploading print data from the Lumiz cloud.
Stephan M.
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
Shyam Sundar R.
Last position:
GenAI Engineer at Freelance
- Built a hybrid semantic and keyword search and LLM-based requirement extraction from conversational queries, boosting search accuracy by 85%, cutting zero-result searches by 70%, and reducing search time by 60%.
- Deployed a production-ready API with monitoring dashboards over 100K+ products, keeping response times under 2s and reducing customer search-to-purchase time by 40%.
- Technologies: Python, BGE-M3, Qwen2.5, FastAPI, Qdrant, Meilisearch, Docker, Prometheus, vLLM.
Discover over 15,000 top freelancers
Statistics of experts using Qwen
Aggregated from the professional profiles of matched freelancers.
Experience
22 years

Position duration
2.3 years

Positions per freelancer
11

Top business areas
Product Development, Information Technology, Business Intelligence

Top industries
Information Technology, Manufacturing, Automotive

Certification focus areas
Information Technology, Business Intelligence, Project Management
Bachelor's degree or higher
92%
Master's degree or higher
83%
Doctorate
17%

Certifications per freelancer
5

Most common languages
German, English, Spanish

Speak two or more languages
94%
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Germany using Qwen
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Qwen experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (88%)
- Manufacturing (56%)
- Automotive (44%)
- Professional Services (44%)
- Retail (38%)
- Telecommunication (38%)
- Education (31%)
- Banking and Finance (31%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Qwen is
Qwen is Alibaba Cloud’s family of large language and multimodal models. Also known as Tongyi Qianwen, it supports text generation, structured output, reasoning, coding, image understanding and other AI workflows. Open-weight releases let teams run models in controlled environments and adapt them to specific domains.
What teams build
Qwen can support customer service assistants, document search, coding tools, content workflows and internal knowledge systems. Multimodal variants can process text and images, while smaller models suit local or cost-sensitive inference.
- Retrieval-augmented generation for private knowledge
- Document extraction and classification
- Conversational applications with tool use
- Code generation and review workflows
Ecosystem and tooling
Qwen projects often combine Python, PyTorch, Hugging Face Transformers and vLLM or similar inference engines. Professionals may work with quantization, LoRA or QLoRA fine-tuning, embeddings, vector databases, evaluation suites and API layers. Containerized deployment, GPU orchestration and observability are important when a model moves beyond a prototype.
When expertise matters
Companies bring in freelance specialists when a proof of concept must become a reliable product, when a general model needs domain adaptation, or when privacy and deployment constraints rule out a hosted API. German teams may also need professionals who can coordinate remotely across distributed groups or work on site, while handling English technical documentation and local business requirements.
- Model selection and prompt evaluation are unclear
- Responses need grounded, traceable sources
- Inference costs or latency are blocking adoption
- A secure private deployment is required
Strong Qwen professionals
Strong professionals understand model behavior rather than treating prompts as a complete solution. They define evaluation sets, measure factuality and tool-call reliability, manage context windows, and document failure cases. They can also connect Qwen to business data without exposing sensitive content and explain trade-offs between quality, speed, hardware and maintainability.
From prototype to production
A sound Qwen delivery includes a clear use case, tested prompts or adapters, suitable model hosting and safeguards for unsafe or incorrect output. Production work should cover access control, logging, monitoring, fallback behavior and data retention. The best specialists leave behind reproducible pipelines, practical documentation and a plan for model updates.
Frequently asked questions
Questions about Qwen? Start with the answers below.
Qwen is used for language generation, question answering, coding assistance, document analysis, translation and multimodal applications. Teams can connect it to private data through retrieval-augmented generation or adapt it with fine-tuning.
Qwen is commonly compared with Llama and Mistral on reasoning, multilingual output, coding, context handling, licensing and deployment needs. The right choice depends on the target language, evaluation results, hardware and whether text-only or multimodal input is required.
A strong Qwen specialist often also understands Python, PyTorch, Hugging Face Transformers, vector databases and API design. Experience with prompt evaluation, RAG, quantization, GPU inference, containerization and data protection makes delivery more complete.
A small proof of concept may need focused model and prompt expertise, while a production system requires broader skills in evaluation, data pipelines, security and operations. For Qwen, judge the required depth by integration complexity, risk, traffic and the level of model adaptation involved.
Qwen work is often suitable for remote collaboration because model code, evaluation data and deployment environments can be shared securely. On-site work may help when the project involves restricted data, private infrastructure or close coordination with German business teams.
Qwen can be used for German-language assistants, search, extraction and content workflows, but quality should be tested with representative German data and terminology. A suitable specialist will evaluate multilingual output instead of assuming that general benchmarks predict results for a specific domain.
Ask for a clear evaluation method, representative test cases and documented failure handling. A capable Qwen professional can explain model selection, retrieval quality, hallucination controls, latency, cost and how results will be monitored after launch.
Qwen may need only prompts and retrieval when the task depends on changing knowledge or straightforward instructions. Fine-tuning can be useful for stable output formats, domain language or repeated behavior, but it should follow a tested baseline and a defined evaluation goal.
The average hourly rate of freelancers in Germany who have used Qwen in their recent projects is 94 €, which corresponds to a daily rate of about 751 € based on an 8-hour working day.
Of the freelancers in Germany who have used Qwen in their recent projects, 92% hold at least a Bachelor's degree, 83% hold at least a Master's degree, and 17% hold a doctorate.
On average, freelancers in Germany who have used Qwen in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Germany who have used Qwen in their recent projects are German (100%), English (94%), and Spanish (31%).
The most common industries among freelancers in Germany who have used Qwen in their recent projects are Information Technology (88%), Manufacturing (56%), and Automotive (44%).
The most common business areas among freelancers in Germany who have used Qwen in their recent projects are Product Development (100%), Information Technology (88%), and Business Intelligence (75%).
Main locations of FRATCH Experts, who have recently used Qwen
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.
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