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Machine Learning Experts

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Hire experts who design predictive models, recommendation systems and computer vision pipelines, while connecting experiments to reliable production services. Find vetted, available freelancers matched to your requirements with speed and precision.

Meet FRATCH Experts who have recently used Machine Learning

Verified expert

William N.

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Senior/Lead Business Analyst & AI Workflow Consultant | Requirements Engineering | BI | Workflow Automation | Claude Code

Berlin
William N.

Last position:

Power BI Solutions Architect/Engineer & AI Consultant at AVERDUNG GmbH

  • Redesign of the company's BI infrastructure: replacement of a fragmented landscape of manually maintained Excel solutions and CSV imports with a centralized Power BI environment featuring a unified data model as the company-wide single source of truth
  • Consolidation of previously isolated reporting logic into a central semantic model – eliminating redundant files, manual data transfers, and inconsistent metrics between departments
  • Forecasting & planning: Design and implementation of company-wide liquidity planning in Power BI – from business logic to a fully automated, data-source-driven planning model replacing the previous manual Excel process; enables rolling forecasts and continuously up-to-date cash flow transparency for management
  • Optimization of existing Power BI dashboards in terms of performance, structure, and analytical value using an AI-native approach
  • Analysis and improvement of the data model, including data quality analyses, data cleansing, and consistent modeling using star schema, DAX, and Power Query
  • Incident & anomaly analysis: Identification, investigation, and explanation of data anomalies, including root-cause analysis and concrete recommendations for action
  • AI solution architecture: Connecting Business Central and Power BI to LangDock via MCP (Model Context Protocol) for AI-supported data usage
  • Creation of a historical data layer as a basis for trend and time-series analyses
  • AI-supported automation: Design and development of AI skills, agents, loops, and processes for the automated analysis and interpretation of reports
  • Automated reporting workflow: Setup of scheduled, automated email distribution of AI-generated analyses and recommendations to stakeholders
  • Gathering and documentation of business requirements and coordination with business departments and IT as part of requirements engineering / product owner activities
  • Breaking down overall requirements into clearly defined work packages and tasks
  • Definition, prioritization, and management of milestones throughout the entire project lifecycle

Tools: POWER BI, M365, Copilot Studio, MIRO, Microsoft Business Central, Microsoft Fabric, Claude AI, ChatGPT, LangDock, MS VS Code

Verified expert

Gabin Maxime N.

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AI/ML Engineer · Agentic AI

Freising
Gabin Maxime N.

Last position:

Multi-Agent R&D Pipeline (3 Custom Agents) at Independent Project

  • Claude Code subagents, MCP, Pydantic V2, pytest, bandit

  • Designed and shipped 3 specialized agents that hand work down a line: a research agent writes a cited implementation spec, a coding agent builds the modular code and its tests, a review agent ranks findings by severity and applies the fixes. Each handoff is a structured document, so no stage depends on another agent's context window.

  • Connected the research agent to an academic-research MCP server (Semantic Scholar, ArXiv, Hugging Face Hub, citation snowballing) so every reference traces to a tool result rather than the model. Gated commits behind ruff, mypy, pytest and bandit, required human sign-off before installs and commits, and persisted session state on disk so long runs survive a context reset.

Verified expert

Peter S.

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Senior AI, Data & Computer Vision Expert

Mannheim
Peter S.

Last position:

Senior ML Engineer & AI Researcher at Anonymous Client

Project: Defect Generation on Test-Bench Images of Metal Surfaces Environment: Automated Visual Inspection (AVI), Metallurgy & Manufacturing

  • Objective & Implementation: Designed, architected, and trained Generative Adversarial Networks (Pix2PixHD / SPADE) for image-to-image transformation. Targeted generation of synthetic material defects (e.g., cracks, inclusions, scale) on rough metal surfaces under real test-bench lighting conditions for privacy-compliant and efficient dataset expansion (data augmentation).
  • Technical Design: Implemented robust Generative AI and computer vision pipelines in Python and PyTorch. Used semantic segmentation approaches for mask-controlled defect synthesis and subsequent evaluation with EfficientDet object detection models.
  • Business Impact: Massive dataset upscaling (10x) without time-consuming and costly physical test-bench runs, while significantly improving the detection performance of automated inspection systems.

Technologies & Skills Used: Python | PyTorch | SPADE | Pix2PixHD | EfficientDet | Machine Learning | Semantic Segmentation | Computer Vision

Verified expert

Stefan O.

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AI Product Leader

Berlin
Stefan O.

Last position:

Founder at ProtocolEngine.io

Evidence-led health intelligence platform turning published research into personal health protocols. It scores 430 habits, foods, and supplements against the studies behind them, and moves the score when the evidence moves. Built solo.

  • Built the daily ingestion pipeline across PubMed, bioRxiv, and medRxiv: 43,000+ papers from 3,400+ journals processed into 230,000+ typed evidence claims, each one traceable back to the study it came from.
  • Designed the six-factor evidence scoring model and the public changelog behind it, so no recommendation ever appears without the papers underneath it. 23,000+ grade changes recorded and explained to date.
  • Shipped an entity information model connecting every intervention to its mechanisms, biomarkers, and outcomes: 118 biomarkers with region-specific reference ranges, 77 mechanisms, 32 graded outcomes.
  • Built the personalisation layer: blood panel ingestion that reads lab PDFs with a vision model and corrects results for draw time against the user's wake anchor, plus Oura, WHOOP, and Withings integration for daily readiness context.
  • Operate eleven specialised review agents over the corpus and codebase, covering paper curation, retrieval quality, health-claim compliance across EU and US regimes, and security.
  • Shipped the Evidence Assistant, a RAG assistant that answers from the claim database and cites the underlying papers, plus a B2B practitioner tier, an Expo React Native app, and localisation across 3 languages and 7 markets.

Stack: Next.js 16, TypeScript, Supabase, pgvector, Anthropic Claude, Vercel, DeepInfra.

Verified expert

Kiriakos K.

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Platform Engineering Tech Lead / Architect

Nickenich
Kiriakos K.

Last position:

Tech Lead / Architect : OTTO API Platform at OTTO

Maturing their API practices on both a business and technology level. My role covers strategy, architecture, developer advocacy as well as hands-on software engineering, enabling both technical teams and business leadership to adopt and act on API-centric principles effectively. Coincidentally, we also establish GitOps, DX and platform best practices with this project.

Highlights:

  • Aligning executives with the initiative by clarifying strategy, replacing misconceptions and myths with facts, clarifying the value of existing assets and enabling informed decision-making
  • Formulating a way forward for API Lifecycle Management at OTTO
  • Driving platform progress and fostering developer engagement by hands-on engineering work towards strategic goals

API Lifecycle Management, Team Topologies, Organizational Evolution, Regulatory, Platform Advocate, Developer Platform, Communities of Practice, Terraform, Kotlin, Kafka, Kong, WSO2, Apigee, Gravitee, Backstage, AsyncAPI, OpenAPI, API Design, AWS, React, Node.js, TypeScript, Redocly, reactive programming, CDC, Golang, Gin, GitOps, DX (developer experience), stakeholder management, roadmaps, workshops, discovery.

Verified expert

Jens H.

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Interim CTO / CDO & Enterprise Architect | AI Compliance & EU AI Act, Azure AI Foundry | Lawyer & Computer Scientist

Wathlingen
Jens H.

Last position:

Interim CTO (occasional assignments) at Fujitsu / FSAS

Stabilization of an Azure/.NET landscape in live operation.

  • Architecture, DevOps, and operational readiness; technical decisions under time pressure
  • Azure DevOps, monitoring, ETL/ELT, cloud security, FinOps, and data-mesh-related topics

Technologies: Azure DevOps, .NET, CI/CD, monitoring, FinOps

Verified expert

Hans-Dieter G.

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AI Testing & Quality Manager | Test Management | Practical AI Development Experience

Wiehl
Hans-Dieter G.

Last position:

Training as an AI Expert

I continuously expand my expertise in AI and automation. I work with ChatGPT, OpenAI, Manus, Gemini, MS CoPilot, APIs, LangChain, Hugging Face, Manus, TensorFlow, and Auto-GPT, as well as Python-based ML frameworks and MLOps tools, to intelligently transform traditional software development, analysis, and testing processes.

Verified expert

Olga L.

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IT Business Analyst/Test Manager

Frankfurt am Main
Olga L.

Last position:

Business Analyst at VisualVest (Union Investment)

  • Analyzed, structured, and documented business requirements for digital investment solutions, such as robo-advisors.
  • Designed applications for new retirement products, including user flows, UX requirements, and functional specifications.
  • Modeled and optimized business processes and coordinated with stakeholders while taking regulatory requirements in the financial sector into account.
Verified expert

Chintan P.

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Product Owner and Technical Product Lead

Berlin
Chintan P.

Last position:

Product Owner and Technical Product Lead at Sustamize GmbH

  • LLM-based features for automated CO₂e data extraction from unstructured documents (70% reduction)

  • Agentic AI pipeline for automated Scope 3 emissions calculations with 150.000+ validated data records

  • Intelligent API workflows for real-time carbon footprint calculations in ERP and ESG systems

  • ML algorithms for predicting emissions hotspots and optimizing product design

  • Automated data validation pipelines with NLP for quality assurance of CO₂e datasets

  • Led a 15-person cross-functional team in developing 10+ AI features

  • Strategic product planning and AI roadmap with 35% shorter time-to-market

  • Stakeholder management with DAX companies (40% higher satisfaction, 95% retention)

  • On-time project delivery with 95% budget adherence through data-driven backlog management

  • Agile methods (Scrum, Kanban) with continuous AI/ML integration (25% increase in team velocity)

  • Product-market fit for AI features through A/B testing and analytics (60% higher adoption rate)

Verified expert

Dmitry P.

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Freelance Digital Marketing Analyst

Berlin
Dmitry P.

Last position:

Freelance Digital Marketing Analyst at Freelance

  • Marketing Strategy: Lead the end-to-end analysis and evaluation of cross-channel marketing campaigns across the entire Customer Journey. My focus is identifying optimization potential and deriving clear, actionable recommendations that drive measurable business impact.
  • Data Science & AI: Advanced predictive modeling (Churn, LTV), market basket analysis, clustering, and real-time AI-powered audience discovery utilizing RAG/LLMs.
  • Marketing Analytics & Measurement: End-to-end attribution analysis, Marketing Mix Modeling (MMM), audience segmentation, conversion path analysis, and A/B testing across all major platforms.
  • Data Engineering & Reporting: Designing and managing robust, multi-platform data pipelines (BigQuery, GCP) for data consolidation, automated dashboard generation, and critical API integrations.
Verified expert

Fadi S.

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AI Engineer | Microsoft Fabric | Data Engineering | Enterprise AI | Document AI

Oberhausen
Fadi S.

Last position:

Development of a production-ready Enterprise Document AI & Recommendation Platform at Freelancer

  • Development of a production-ready Enterprise AI solution for the automated processing of invoices and business documents
  • Integration of Azure AI Document Intelligence and LLM technologies into existing business processes
  • Development of robust REST APIs for automated document processing and system integration
  • Extraction, validation, and storage of structured invoice data in Azure SQL as a base for analytics and machine learning models
  • Development of an AI-based recommendation engine with machine learning and deep learning to generate personalized product recommendations based on historical purchase data
  • Implementation of logging, monitoring, error handling, and validation mechanisms for stable production use
  • Collaboration with business teams to define business rules and integrate the solution into existing enterprise processes

Technologies: Python, Azure AI Document Intelligence, Azure OpenAI, Azure SQL Database, REST APIs, Machine Learning, Deep Learning, OCR, Pandas, JSON, Workflow Automation

Verified expert

Michael N.

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Senior ML Engineer | AI Engineer | Problem Solver

Eichenau
Michael N.

Last position:

Senior AI Engineer | Forward Deployed Engineer at Tiefbau

  • Development of an AI-powered project organization tool for a civil engineering company that intelligently links project, task, tender, schedule, and document data through a knowledge graph.
  • Implementation of AI features for document analysis, information extraction, context-based assistance, and voice-based data capture based on Microsoft Azure AI, reducing administrative effort, making information available faster, and supporting project teams in decision-making.
  • Tech stack: Python, React, TypeScript, FastAPI, Claude Code, Codex, Graphify, PostgreSQL, Microsoft Azure AI Foundry, Azure OpenAI, Azure AI Speech, Azure AI Document Intelligence, Microsoft Graph, Microsoft Entra ID, Docker, Git, CI/CD.
Verified expert

Mirza K.

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Agentic AI for a DeepResearch project

München
Mirza K.

Last position:

Agentic Automation and a RAG system

  • This project involved extraction of intelligence data to support report writing for a company that provides geopolitical, global, commercial intelligence. The data have been gathered from a number of resources (interview transcripts, online data, internal documents), and then a knowledge base has been build from it. This was the basis of a complex RAG system, that was evaluated against a golden dataset. Agents have been used to find out the contradicting intelligence, the statements supporting each other, and to store back the generated knowledge.

Used: Python, RAG, LangGraph, LangChain, deepeval, MCP

Verified expert

Sabine L.

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Expert & Interim Manager B2B Communications, Change Communications, Content Creation

Eckental
Sabine L.

Last position:

Communications consultant for crisis communication/issue management at AQIM – Association for Quality in Interim Management

Planning, execution & moderation of crisis communication and reputation management

AQIM is a non-profit organization based in Austria. An association of interim managers from Germany and Austria. Founded in December 2024. Multi-part training with workshops and consulting for preventive crisis communication, in cooperation with the founding members and those responsible for communication. To assess crisis potential for the market entry strategy and ahead of a digital campaign.

The project in a nutshell:

Consulting and training for the purpose of:

  • Analysis of crisis potential as a new market entrant and its internet-based communication activities
  • Planning and developing crisis communication with targeted measures
  • Developing a crisis plan to minimize reputation risks in an emergency
  • Conducting training and information sessions

Success:

  • What started as a one-time consulting event for preparing an information campaign became a multi-part workshop on preventive crisis communication. This not only gave the organization expertise and confidence in the event of acute challenges, but also gave the participating interim managers new skills for their day-to-day work on assignments
  • The workshop enabled those responsible to launch the information campaign that was being prepared at the time and planned for six months, as scheduled at the end of January 2026 on social media
  • Careful scheduling and defining how to handle critical voices in terms of terminology and tone, as well as compliance rules, ensured a smooth start and run of a 3-month information campaign

Discover over 15,000 top freelancers

Statistics of experts using Machine Learning

Aggregated from the professional profiles of matched freelancers.

Experience

14 years

Machine Learning experts have 14 years of professional experience on average.

Position duration

2.8 years

Machine Learning experts stay in a single position for 2.8 years on average.

Positions per freelancer

9

Machine Learning experts have completed 9 positions on average over the course of their careers.

Top business areas

Information Technology, Product Development, Research and Development

Machine Learning experts have gathered most of their hands-on project experience in Information Technology, Product Development, and Research and Development.

Top industries

Information Technology, Education, Automotive

Machine Learning experts are most in demand in Information Technology, Education, and Automotive.

Certification focus areas

Information Technology, Business Intelligence, Research and Development

Machine Learning experts earn their certifications most often in Information Technology, Business Intelligence, and Research and Development.

Bachelor's degree or higher

97%

97% of Machine Learning experts hold at least a Bachelor's degree.

Master's degree or higher

77%

77% of Machine Learning experts hold at least a Master's degree.

Doctorate

18%

18% of Machine Learning experts have a doctorate (PhD).

Certifications per freelancer

2

Machine Learning experts hold 2 professional certifications on average.

Most common languages

English, German, French

Machine Learning experts most often speak English, German, and French.

Speak two or more languages

98%

98% of Machine Learning experts speak two or more languages.

Based on our profile pool as of 26 Sep 2026.

Daily rate distribution

0% 25% 50% 75% 100%
14% of Machine Learning experts charge less than €400 per day.
38% of Machine Learning experts charge between €400 and €800 per day.
38% of Machine Learning experts charge between €800 and €1200 per day.
7% of Machine Learning experts charge between €1200 and €1600 per day.
3% of Machine Learning experts charge €1600 or more per day.
<€400 €400-​800 €800-​1200 €1200-​1600 €1600+

The chart shows how the daily rates of experts in this technology 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 using Machine Learning

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

800
600
400
200
Rate comparison chart
Daily rate avg. 719 €

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

800
600
400
200
Rate comparison chart
Median rate 760 €

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 26 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Machine Learning 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 (82%)
  • Education (41%)
  • Automotive (36%)
  • Manufacturing (36%)
  • Professional Services (36%)
  • Banking and Finance (31%)
  • Healthcare (30%)
  • Retail (25%)

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

About the technology

What Machine Learning does

Machine Learning enables software to learn patterns from data and produce predictions, classifications or decisions without fixed rules for every case. Teams use it for demand forecasting, fraud detection, search, recommendations, language processing and image analysis. The work spans exploratory analysis, model training, evaluation and production deployment.

Core project work

  • Predict customer behavior, demand and operational risk
  • Classify text, documents, images and transactions
  • Build recommendation, ranking and personalization systems
  • Detect anomalies and automate repetitive decisions
  • Create forecasting models for business and industrial data

Successful delivery depends on more than choosing an algorithm. Specialists define the target, prepare usable training data, select meaningful evaluation methods and connect model outputs to business workflows.

Tools and ecosystem

The Python ecosystem is central, with pandas and NumPy for data work and scikit-learn for established modeling methods. PyTorch and TensorFlow support deep learning, while Jupyter helps teams explore results. Production work often includes SQL, Spark, Docker, Kubernetes, MLflow, cloud services and model monitoring.

When companies need specialists

  • Internal teams have valuable data but no dependable modeling process
  • A proof of concept must become a monitored production service
  • Existing models perform poorly after deployment or data changes
  • Data pipelines, labeling workflows or feature stores need redesign

Freelance expertise is useful when a project needs focused capability without a permanent team expansion. It can also add an independent review of model quality, infrastructure choices and operational risks.

What strong professionals deliver

Strong Machine Learning professionals connect statistical reasoning with practical software delivery. They explain assumptions, check for leakage and bias, establish suitable baselines and document how data affects results. They also plan retraining, version models and monitor drift after release.

A good specialist asks whether a model is the right solution at all. They consider simpler rules, existing services and the cost of false positives or false negatives before recommending a technical approach.

Choosing the right fit

Assess candidates through relevant deliverables rather than tool lists alone. Look for experience with data similar to yours, clear evaluation choices, reproducible experiments and systems that remained reliable outside a notebook. Discuss data access, security, deployment ownership and how success will be measured.

The best collaboration includes a defined problem, agreed data responsibilities and regular reviews with product and domain experts. This keeps Machine Learning work tied to decisions the business actually needs to improve.

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Frequently asked questions

Key details about Machine Learning, drawn from the questions we get asked most.

Machine Learning is used to predict outcomes, recognize patterns and automate decisions from data. Common applications include recommendations, fraud detection, demand forecasting, document classification, customer segmentation and visual inspection.

Machine Learning learns behavior from examples, while rule-based software follows logic written directly by people. It is useful when patterns are complex or change over time, but clear rules may be easier to test and maintain for simple decisions.

A strong Machine Learning specialist should understand statistics, data preparation, feature design, model evaluation and software delivery. Useful adjacent skills include Python, SQL, cloud infrastructure, data engineering, MLOps and responsible AI practices.

The required experience depends on the data quality, risk and production scope. A simple analysis may need focused modeling expertise, while a regulated or high-volume system requires proven work across experimentation, deployment, monitoring and maintenance.

Machine Learning work can usually be completed remotely when data access, environments and documentation are organized. On-site sessions can still help with domain discovery, sensitive data processes or close collaboration with operational teams.

Define the decision the model should support, the available data and the business cost of errors. Clarify access permissions, deployment constraints, evaluation criteria and who will maintain the system after the initial engagement.

Evaluate the model against a suitable baseline and data that reflects real use. A credible Machine Learning solution includes reproducible experiments, appropriate validation, clear error analysis, explainable trade-offs and monitoring for drift after release.

Deep learning can be effective for images, audio, language and other unstructured data when sufficient training examples and computing resources are available. For smaller tabular datasets, simpler Machine Learning methods may be faster to validate, easier to explain and equally effective.

The average hourly rate of freelancers who have used Machine Learning in their recent projects is 90 €, which corresponds to a daily rate of about 719 € based on an 8-hour working day.

Of the freelancers who have used Machine Learning in their recent projects, 97% hold at least a Bachelor's degree, 77% hold at least a Master's degree, and 18% hold a doctorate.

On average, freelancers who have used Machine Learning in their recent projects have 14 years of professional experience, with a single engagement typically lasting around 2.8 years.

The most common languages among freelancers who have used Machine Learning in their recent projects are English (98%), German (97%), and French (20%).

The most common industries among freelancers who have used Machine Learning in their recent projects are Information Technology (82%), Education (41%), and Automotive (36%).

The most common business areas among freelancers who have used Machine Learning in their recent projects are Information Technology (91%), Product Development (82%), and Research and Development (62%).

Main locations of FRATCH Experts, who have recently used Machine Learning

Our freelancers and interim experts are at home all over Germany — available on-site in Berlin, Hamburg, Munich and every major business hub, or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.

In Austria our freelancers and interim experts support companies from Vienna to Graz — on-site where your project needs them, or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.

Across Switzerland our specialists are active in Zurich, Geneva, Basel and Bern — working on-site or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.

Zurich Geneva Basel Bern

Countries:

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FRATCH CEO

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