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Large Language Model Expert in Vienna

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Hire experts who design retrieval-augmented generation systems, adapt foundation models and connect language technology to production software. Get precise access to vetted, available freelancers matched to your project quickly.

Meet FRATCH Experts in Vienna, who have recently used Large Language Model

Verified expert

Thomas P.

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Leading global senior organizational change executive, AI / digital transformation & post-merger integration

Vienna
Thomas P.

Last position:

Change Manager / AI-driven Finance Transformation at Agrana

Organizational Change Management for the strategic setup of a hybrid GBS rollout as part of a global, AI-driven Finance Transformation. End-to-end management of the OCM architecture in a highly complex on-, near-, and offshore partner setup [IN, PL, RO]. Successful completion of Phase 1 (Initial Strategy) and strategic pausing by the Executive Board after the early disclosure of critical vendor-side OPEX risks

  • Systemic Baseline Assessment & Stakeholder Diagnostics: Evaluation of the global organization and analysis of the process landscape across 21 countries [AT, DE, CH, FR, UK, SI, RO, UA, RU, US, CD, CN, AR, MX, ZA, IN, JP] to precisely determine change requirements

  • Architecting the OCM Strategy & Master Roadmap: Independent development of a comprehensive, AI-centered Change Roadmap for end-to-end management of all change initiatives across every project phase

  • Data Quality & AI Agent Risk Mitigation: Auditing of Process Data Repositories (Celonis analysis); prevention of the ingestion of 58% synthetic training data to safeguard AI model reliability amid geopolitical supply chain tensions

  • GBS Vendor BAFO Triage & Contractual Commitment: Critical review of Tier-1 vendor pitches and contractual commitment to a reduced Non-STP rate (from 7% to 4%) to avoid extreme manual rework with a planned FTE reduction (-63%)

  • Executive Enablement & Board Alignment: Design of the GBS Transformation Executive Board Deck to strategically enable C-level executives and transparently present completely overlooked AI tokenization costs

  • Targeted Change Communications & Engagement: Design and development of audience-specific communication measures to align the highly diverse, globally distributed stakeholder network

  • Adoption Velocity & Resistance Measurement: Engineering of quantitative measurement tools (Pulse Check Survey) using Behavioral Dyads to identify resistance based on data and ensure sustainable success measurement

Results:

  • Avoidance of disruptive misallocations: Stopping the ingestion of 58% synthetic AI-agent training data after discovering only 42% compatibility with existing processes, preventing critical GBS cascade errors
  • Significant OPEX & effort reduction: Reduction of the Non-STP rate in Tier-1 vendor BAFOs from 7% to 4% alongside an impending 63% Finance-FTE reduction; avoidance of thousands of time-consuming manual correction processes
  • 100% Delivery of the OCM architecture & ROI protection: Delivery of all OCM artifacts (Change Roadmap, Comms Plan, Executive Board Deck, Pulse Check Survey) and protection of ROI by identifying incalculable LLM runtime token costs
Verified expert

Chrisabel P.

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Senior Product Manager

Wien
Chrisabel P.

Last position:

AI Systems & Product Strategy Expert at Webmeisterin

I build. I advise. I think in systems. After years leading digital transformation at scale — Accenture, BP, Lidl — I made a deliberate choice: trade platform dependency for structural independence. My focus is at the intersection of AI systems, product strategy, and venture thinking. I work with operators and founders who want to move fast without losing control — of their data, their stack, their direction.

Verified expert

Matthias K.

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Freelance Technical Product Owner | Senior Requirements Engineer | Business Analyst

Vienna
Matthias K.

Last position:

Requirements Engineer & Business Analyst at Media Company

  • Analysis of existing work, information and decision-making processes.

  • Identification and prioritization of suitable use cases for AI agents.

  • Elicitation of functional and non-functional requirements.

  • Design of collaboration between users and AI agents, including control and escalation mechanisms.

  • Support for the implementation of the AI agents and adapted keyboard hardware.

  • Business target vision for the AI-first transformation.

  • Structured and prioritized requirements for implementation.

  • Defined roles, interactions and control points between people and AI agents.

  • Preparation for the gradual automation of productive work processes.

Techstack: AI agents, LLMs, agent orchestration, RAG, APIs, automation, hardware

Verified expert

Manuel P.

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AI Engineer

Vienna
Manuel P.

Last position:

AI Engineer at Misumi Europe GmbH & Motius GmbH

  • Designed and built a next-generation NLP platform to accelerate sales-driven customer service through intelligent request analysis and routing, reducing average customer query response time by 30%.
  • Architected a hybrid NLP system combining Large Language Models (LLMs) with traditional NLP pipelines for robust, explainable results.
  • Developed request classification and routing mechanisms to accelerate customer support teams in handling customer queries faster and more accurately.
  • Optimized LLM based data extraction and classification with context engineering.
  • Integrated the platform into customer service processes, reducing response times and enhancing workforce efficiency.
Verified expert

Roman M.

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Senior Python Developer | FastAPI, REST APIs & Microservices

Vienna
Roman M.

Last position:

Software Engineer at FSM Rechtsanwälte

  • Develop AWS-based components connecting Python backend services to React/TypeScript frontends.
  • Improve database queries and application workflows for document processing and screening.
  • Evaluate LLM retrieval and document-review workflows as part of the product stack.
Verified expert

Marcel S.

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Senior AI Engineer

Vienna
Marcel S.

Last position:

Senior AI Engineer - Python at Insurance Company

Project Tech Stack: Python, AWS, Azure, FastAPI, openai, pandas, unittest/pymock

Achievements:

  • Engineered automated data extraction pipelines to transform complex Excel datasets into structured formats via LLM-driven workflows.
  • Architected a generative slide-deck engine that translates natural language prompts into formatted presentation assets.
  • Integrated advanced LLM capabilities with the OpenAI Response API, implementing sophisticated tool-calling and structured output logic.
  • Developed and containerized scalable backend microservice using FastAPI, Docker, and OpenShift to host and serve agentic skills.
Verified expert

Shahram F.

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Senior Product Owner / Senior Business Analyst

Wien
Shahram F.

Last position:

Senior Product Owner at Elderly Neighbour Watch

Delivery of a digital, non-profit neighborhood platform connecting older people with volunteers for practical support and social companionship. Responsibility for business analysis, requirements definition, platform evaluation and delivery of a locally scalable service solution, with a focus on AI-supported development, data-driven optimization and clear market positioning. Evaluation of several low-code/business platforms, including Odoo and Glide Apps, as well as assessment of monday.com as a CRM-related option, before selecting Glide Apps for implementation. Implementation of a non-native mobile and desktop application with Glide Apps and the website with WordPress. Responsibilities

  • Gathering, analyzing and structuring business requirements for the product and service model
  • Conducting market, target group and competitor analyses to position the offering
  • Evaluating and selecting suitable low-code/business platforms for implementation
  • Defining key user journeys, business processes and operational workflows for older people, volunteers and Administration
  • Translating business requirements into requirements for profiles, task management, coordination, communication and notifications
  • Supporting the implementation of the non-native mobile and desktop application in Glide Apps and the website in WordPress
  • Preparing future AI-supported functions such as intelligent matching and data-driven optimization
  • Ensuring compliance with GDPR requirements Results
  • Successfully delivered digital support platform connecting older people with volunteers
  • Solid foundation for market positioning through market, target group and competitor analyses
  • Implemented functional non-native mobile and desktop application with Glide Apps and accompanying website with WordPress
  • Created foundation for scaling and AI-based further development
Verified expert

Fabio G.

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IT Architect, Requirements Analyst and Consultant

Vienna
Fabio G.

Last position:

IT Architect, Requirements Analyst and Consultant at CANCOM

  • Supports CANCOM customers in migrating legacy on-prem systems to Microsoft Fabric and Microsoft Foundry
  • Takes over and stabilizes existing solutions after a short handover
  • Business analysis and requirements engineering for migration to a new cloud environment
  • Optimization of machine learning models for feature extraction and customer profiling
  • Ensures data protection and compliance
  • Leads the migration of on-prem systems to Microsoft Fabric
  • Designs new AI platforms for clients
  • Tests the integration of chatbots for document intelligence with Microsoft Foundry, including requirements analysis, implementation, validation, and client communication
Verified expert

Slavi S.

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Head of AI Enablement

Vienna
Slavi S.

Last position:

Head of AI Enablement at REEVO Tech

  • Architected enterprise AI strategy delivering 25% cost reduction through multi-LLM platform integration (Claude, OpenAI, Gemini) with intelligent routing and fallback optimization
  • Drove operational excellence achieving 85% reduction in manual documentation and 3x faster campaign production through AI workflow automation and agent deployment across Slack and Microsoft Teams
  • Established AI governance framework from ground up, implementing EU AI Act compliance, data redaction protocols, and safety filters aligned with DPIA standards
  • Scaled AI adoption through structured onboarding programs, developing departmental workflows with secure access controls and comprehensive audit trails
  • Implemented advanced RAG systems using Elasticsearch, Vertex AI, and Azure AI Foundry to improve knowledge access and output reliability
  • Managed delivery through OKR framework coordinating cross-functional squads across 6-week project cycles to ensure strategic alignment and measurable results
Verified expert

Ulrike M.

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AI Trainer for Marketing and Specialist Teams | Workshops, AI Agents, Content Automation

Vienna
Ulrike M.

Last position:

AI Trainer & Agentic AI Designer at Creating AI Daily

  • AI workshops and training for marketing and specialist teams in medium-sized companies in the DACH region, in German and English, on site and remote
  • Participants develop their own AI use cases and implement them directly in the workshop instead of just hearing theory
  • Concept and orchestration of AI agents and automated workflows: research, market monitoring, content production, inquiry handling
  • AI-supported brand and content production with Claude, ChatGPT and Microsoft Copilot, brand-consistent and with human approval
  • Landing pages and websites in corporate design, built with Claude Code
  • Image, video and voice with Midjourney, HeyGen, ElevenLabs, Adobe Firefly, Canva and CapCut
  • More than 20 years of art direction as the foundation, so AI results have brand quality and do not look like AI
  • Clients from industry, real estate and property management, as well as consulting
Verified expert

Zachery L.

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Fractional Director, Growth & Revenue | Strategic Advisor

Vienna
Zachery L.

Last position:

Fractional Director, Growth & Revenue | Strategic Advisor at Multi-Client Engagements

  • Lead fractional growth and automation engagements across multiple companies, auditing, designing, and implementing AI-driven automations and agentic systems that create measurable commercial and operational impact with deterministic execution for complex business workflows.
  • Audit AI readiness and ROI, then architect and deploy agentic systems that harden institutional knowledge and fix operational bottlenecks ensuring scalable growth and unimpeded strategic execution.
  • Design commercial-ready multi-agentic architecture for orthopedic prior authorization workflows, shifting clinical decision-making from high-variance manual efforts to an auditable, deterministic clinical infrastructure.
  • Implement Human-in-the-Loop (HITL) synthesis to ensure 100% medical authority while enabling up to 90% reduction in administrative time.
  • Lead the migration of legacy marketing and sales functions into agent-first workflows, utilizing LLMs to synthesize internal data and external market signals for real-time go-to-market adjustment and champion talent development across the team.
Verified expert

Maximilian G.

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Senior Full-Stack Engineer

Vienna
Maximilian G.

Last position:

Solo Developer / Founder at InvAPI

  • Privacy-first, stateless e-invoice API providing AI-powered extraction, bidirectional format conversion (UBL/CII/ZUGFeRD), batch processing, and validation for German/Austrian e-invoice compliance
  • Technologies: Nuxt 4, Vue 3, Nitro, TypeScript, Cloudflare (D1, R2), Stripe, OAuth, AI/LLM integration
Verified expert

Anton L.

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CISO & Interim DPO

Vienna
Anton L.

Last position:

CISO & Interim DPO at Finmatics GmbH

  • Built the company’s entire security function from zero to ISO-aligned, audit-ready operation (ISO 27001, GDPR, NIS2).
  • Delivered enterprise-grade security posture enabling regulated customer onboarding and due-diligence success.
  • Embedded automated security controls (SAST, DAST, secrets, vuln scanning) into CI/CD for a growing SaaS engineering team, removing security as a deployment bottleneck.
  • Cut third-party risk exposure by ~70% by replacing manual vendor reviews with an automated, LLM-driven risk scoring and approval pipeline.
  • Led board-level security, customer audits, and live incident response.
Verified expert

Christian M.

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Senior Feature Engineer - Banking

Wien
Christian M.

Last position:

Senior Feature Engineer - Banking at start.me app e.U.

  • Requirements engineering & business analysis
  • Architecture responsibility for core banking extensions
  • Interface modeling for third-party systems (TiGital, ESA, ÖNB)
  • AML, KYC & payment reporting

Discover over 15,000 top freelancers

Statistics of experts using Large Language Model

Aggregated from the professional profiles of matched freelancers.

Experience

18 years

Large Language Model experts in Vienna have 18 years of professional experience on average.

Position duration

1.9 years

Large Language Model experts in Vienna stay in a single position for 1.9 years on average.

Positions per freelancer

12

Large Language Model experts in Vienna have completed 12 positions on average over the course of their careers.

Top business areas

Information Technology, Product Development, Business Intelligence

Large Language Model experts in Vienna have gathered most of their hands-on project experience in Information Technology, Product Development, and Business Intelligence.

Top industries

Information Technology, Banking and Finance, Professional Services

Large Language Model experts in Vienna are most in demand in Information Technology, Banking and Finance, and Professional Services.

Certification focus areas

Information Technology, Project Management, Business Intelligence

Large Language Model experts in Vienna earn their certifications most often in Information Technology, Project Management, and Business Intelligence.

Bachelor's degree or higher

100%

100% of Large Language Model experts in Vienna hold at least a Bachelor's degree.

Master's degree or higher

75%

75% of Large Language Model experts in Vienna hold at least a Master's degree.

Doctorate

13%

13% of Large Language Model experts in Vienna have a doctorate (PhD).

Certifications per freelancer

3

Large Language Model experts in Vienna hold 3 professional certifications on average.

Most common languages

German, English, Spanish

Large Language Model experts in Vienna most often speak German, English, and Spanish.

Speak two or more languages

100%

100% of Large Language Model experts in Vienna speak two or more languages.

Based on our profile pool as of 29 Oct 2026.

Daily rate distribution

0% 25% 50% 75% 100%
6% of Large Language Model experts in Vienna charge less than €640 per day.
29% of Large Language Model experts in Vienna charge between €640 and €800 per day.
24% of Large Language Model experts in Vienna charge between €800 and €960 per day.
24% of Large Language Model experts in Vienna charge between €960 and €1120 per day.
6% of Large Language Model experts in Vienna charge between €1280 and €1440 per day.
12% of Large Language Model experts in Vienna charge €1440 or more per day.
<€640 €640-​800 €800-​960 €960-​1120 €1280-​1440 €1440+

The chart shows how the daily rates of experts in this technology in Vienna 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 Vienna using Large Language Model

Rates are based on recent contracts and do not include FRATCH margin.

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750
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Rate comparison chart
Daily rate avg. 889 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 840 €

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.

Large Language Model 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%)
  • Banking and Finance (71%)
  • Professional Services (65%)
  • Manufacturing (59%)
  • Retail (53%)
  • Healthcare (47%)
  • Media and Entertainment (47%)
  • Transportation (41%)

Please note that freelancers can work across multiple industries, so percentages overlap.

About the technology

What Large Language Models do

Large Language Models, often called LLMs, process and generate human language from patterns learned across extensive training data. Companies use them for conversational assistants, document analysis, content workflows, semantic search, code support and multilingual interfaces. Their value depends on connecting language capability to a clearly defined business process.

Core project applications

LLM specialists turn broad model capabilities into controlled products and workflows:

  • Build customer support assistants grounded in internal knowledge
  • Extract, classify and summarise information from business documents
  • Create retrieval-augmented generation pipelines with citations
  • Add natural-language search and question answering to applications
  • Evaluate prompts, responses, safety behaviour and production quality

Ecosystem and tooling

Work around an LLM can include OpenAI models, Anthropic Claude, Google Gemini, Meta Llama and open-weight models hosted in a private environment. Specialists commonly use Python, TypeScript, API gateways, vector databases, embedding models and orchestration tools such as LangChain or LlamaIndex. They also connect model services with data warehouses, cloud infrastructure, observability and existing application interfaces.

When freelance expertise helps

Companies often bring in external specialists when an experiment must become a dependable product, when proprietary documents need secure retrieval, or when model output is inconsistent. Expertise is also useful during model selection, prompt and evaluation design, fine-tuning decisions, cost and latency reviews, and the integration of access controls. In Vienna, teams may need both remote delivery and focused on-site workshops, with clear communication across German- and English-speaking stakeholders.

Skills that matter in delivery

Strong professionals understand language models without treating them as a complete solution. They define success criteria, select suitable data, design reliable prompts and retrieval flows, and test failure cases before release. They can work with APIs and open models, manage context and token limits, protect sensitive information, and explain trade-offs to product, legal and engineering teams. Production work also requires monitoring, fallback logic and human review where the risk demands it.

Choosing the right specialist

Look for evidence of complete LLM systems rather than isolated demos. A strong portfolio should show the source data, retrieval or fine-tuning approach, evaluation method and safeguards around inaccurate or unsafe output. Ask how the specialist handles changing model behaviour, confidential content, multilingual requirements and difficult user questions. The best fit combines practical software delivery with disciplined testing and a clear understanding of your domain.

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Frequently asked questions

Questions about Large Language Model? Start with the answers below.

Large Language Models are used to generate and transform text, answer questions, summarise documents, extract structured information and support natural-language search. They can also power assistants, content workflows and software features when connected to trusted data and suitable controls.

An LLM can interpret varied language and produce flexible responses, while traditional search is usually better for precise retrieval and rules-based software is easier to predict. Many robust products combine all three: search or retrieval supplies grounded information, rules enforce constraints, and the model handles language interaction.

A capable Large Language Model specialist should understand Python or TypeScript, APIs, data processing, vector databases, cloud services and application integration. Useful adjacent knowledge includes prompt design, retrieval-augmented generation, evaluation, privacy, security and observability.

The required depth depends on the deliverable. A prototype may need focused model and integration knowledge, while a production system requires experience with evaluation, data governance, monitoring, access control and failure handling. Ask for examples similar to your data, users and risk level rather than relying on a generic experience label.

LLMs are well suited to remote collaboration because development, evaluation and deployment use shared repositories and cloud environments. On-site sessions in Vienna can still help with discovery, data workshops and stakeholder alignment, especially when German- and English-speaking teams need to agree on terminology and review standards.

An LLM accessed through an API can reduce infrastructure work and provide rapid access to advanced capabilities. Hosting an open model may offer more control over data, deployment and customization, but it adds responsibility for hardware, updates, scaling, security and performance evaluation.

Large Language Models usually benefit from retrieval-augmented generation when answers must reflect changing or private documents. Fine-tuning is more appropriate for adapting behaviour, format or task patterns that cannot be addressed through instructions and retrieved context alone. A specialist should test both options against representative cases.

A strong LLM professional explains how outputs are evaluated, how incorrect answers are detected and how sensitive data is protected. Review a relevant delivery example, ask to see the testing approach, and discuss fallback behaviour, monitoring, model changes and the limits the specialist would communicate to users.

The average hourly rate of freelancers in Vienna, Austria who have used Large Language Model in their recent projects is 111 €, which corresponds to a daily rate of about 889 € based on an 8-hour working day.

Of the freelancers in Vienna, Austria who have used Large Language Model in their recent projects, 100% hold at least a Bachelor's degree, 75% hold at least a Master's degree, and 13% hold a doctorate.

On average, freelancers in Vienna, Austria who have used Large Language Model in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 1.9 years.

The most common languages among freelancers in Vienna, Austria who have used Large Language Model in their recent projects are German (100%), English (100%), and Spanish (35%).

The most common industries among freelancers in Vienna, Austria who have used Large Language Model in their recent projects are Information Technology (88%), Banking and Finance (71%), and Professional Services (65%).

The most common business areas among freelancers in Vienna, Austria who have used Large Language Model in their recent projects are Information Technology (94%), Product Development (88%), and Business Intelligence (71%).

Main locations of FRATCH Experts, who have recently used Large Language Model

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.

Countries:

Vienna Graz

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