Skip to main content
🇩🇪GDPR-compliant
Find the perfect

R Experts in Cologne

in minutes from over 15,000 CVs with the power of AI

Hire experts who work with R, tidyverse, Shiny, ggplot2, and CRAN packages for analysis, reporting, and statistical models. FRATCH matches you fast with vetted, available freelancers who fit your project.

Meet FRATCH Experts in Cologne, who have recently used R

Verified expert

Kevin Baßler

View profile

Procurator and AI Lead

Bergisch Gladbach
Kevin Baßler

Last position:

Procurator and AI Lead at ValueData GmbH

  • Serve as AI lead for life-science solutions, integrating advanced AI models directly into company workflows and ensuring seamless deployment.
  • Design and implement deep learning architectures (PyTorch, Keras) for complex biomedical challenges, including cell segmentation, multimodal omics analysis, and prediction of point clouds.
  • Develop and deploy robust LLM-based systems, including RAG architectures and agentic workflows using LangGraph, to facilitate natural-language interaction with complex medical data.
  • Lead cross-functional initiatives to apply foundation models and explainable AI (xAI) to clinical and evolutionary algorithms.
Verified expert

Dmitriy Drichel

View profile

Freelance Senior Data Scientist

Bonn
Dmitriy Drichel

Last position:

Freelance Senior Data Scientist at Merck KgaA

  • AWS
  • Genedata Profiler
  • Data Lake
  • APIs
  • Rstudio
  • GitLab
  • Python
  • R
  • Data acquisition, integration, and simulation
  • Multiplex immunofluorescence
  • Copy-number variation calling
  • HLA typing and loss-of-heterozygosity analysis
  • RNA expression analysis
Verified expert

Aman Maharjan

View profile

Guest Researcher

Köln
Aman Maharjan

Last position:

Guest Researcher at Max Planck Institute for Neurobiology of Behavior

  • Coordinated feedback and milestones with international co-authors to streamline publication
  • Directed data curation and final analysis using Python and Matlab
  • Accelerated the final publication timeline by efficiently managing figure preparation and data traceability
Verified expert

Jeanne Yap

View profile

Process Engineering Intern

Cologne
Jeanne Yap

Last position:

Process Engineering Intern at Procter & Gamble

  • Independently initiated and deployed automated validation workflows using Python, cutting manual processing by 58% and improving efficiency
  • Developed a machine learning model for synthetic defect generation, reducing downtime and production costs; deployed locally and via Databricks and Azure AI Factory
  • Utilized a small dataset of image data from the production lines and extended this dataset with training on models like cycleGAN and pix2pix
  • Built and optimized the Linux-based development environment for training 3D models; maintained reproducibility via GitHub
  • Presented technical insights to cross-functional teams (engineers, QA, project managers), ensuring alignment of ML solutions with operational needs
Verified expert

Denis Kirpicev

View profile

Management Consultant

Cologne
Denis Kirpicev

Last position:

Management Consultant at Freelance Management Consultant

  • Implementation of custom reporting solutions for financial KPIs aligned with specific business requirements

  • Development of a machine learning application that achieved a 250% performance improvement

  • Data Architect "Production-Oriented Quality Assurance" (03/2024–09/2024):

  • Design and implementation of an analytics platform to detect quality deviations in manufacturing

  • Build of a scalable data lakehouse architecture on Databricks in combination with SAP ERP data via SAP Datasphere

  • Close collaboration with the SAP team to harmonize bill of materials and order data

  • Visualization of KPIs to support shopfloor management

  • Lead Data Engineer "Sales Performance Monitoring" (08/2023–12/2023):

  • Design and implementation of a Databricks-based platform for analyzing sales figures and promotion effects

  • Integration of SAP SD data via SAP BW/4HANA

  • Use of Azure DevOps to orchestrate ETL jobs and deploy workflows

  • Technical Project Lead "Cloud Migration & Data Strategy" (02/2023–05/2023):

  • Migration of a heterogeneous data warehouse stack to a modern cloud architecture on Azure with Databricks as the central processing platform

  • Development of a governance-compliant data architecture to integrate SAP financial data and non-SAP sources

Technologies: Databricks, Delta Lake, Python, SAP Datasphere, Azure DevOps, PowerBI, SQL

Verified expert

Filipp Trigub

View profile

Multi-chain LLM copilot for academic teaching and studying

Bonn
Filipp Trigub

Last position:

Multi-chain LLM copilot for academic teaching and studying at Infolab.ai

  • Build a sophisticated AI copilot to augment the students’ learning experience and provide AI-derived insights to professors.
  • Build a multi-chain LLM system adapting to user needs at its own accord with a Weaviate vector DB based RAG system and evaluated it with Ragas.
  • Build responsive react frontend, and backend systems handling auth, data management and auxiliary services as a RESTful API.
  • Deployed and managed the app to the cloud in a production environment including the CICD via multi-stage deployment.
Verified expert

Nico Schäfer

View profile

Quantitative modeling and model development, statistical data analysis, reporting

Köln
Nico Schäfer

Last position:

Quantitative modeling and model development, statistical data analysis, reporting at DB InfraGO / Brockmann & Büchner Partnergesellschaft

  • Technical project management, requirements management, and design to guide the data team in developing a predictive maintenance model for DB InfraGO's maintenance planning.
  • Statistical modeling and analysis programming with R Studio for fault analysis in preventive maintenance: multivariate modeling using quasi-Poisson, negative binomial, lasso, offset, splines, RandomForest.
  • Implementation of various R Shiny dashboards.
  • Sparring partner and requirements management for data engineering, data modeling, and ETL pipeline in Tableau Prep.
Verified expert

Nhu Loc Thuy Tran

View profile

Ph.D. Researcher in Quantitative Genetics & Computational Biology

Cologne
Nhu Loc Thuy Tran

Last position:

Ph.D. Researcher in Quantitative Genetics & Computational Biology at University of Cologne (CEPLAS – Cluster of Excellence in Plant Sciences)

  • Generated and analysed large-scale RNA-seq data (>800 samples) using R, Python, and high-performance computing (HPC/Linux) systems.
  • Integrated multi-omics data (genomic, transcriptomic, and phenotypic); applied Bayesian approaches and machine learning to study gene expression variation and inheritance of complex traits.
  • Mentored B.Sc. and M.Sc. students in experimental design, programming in R/Python/Bash, biostatistics, data visualisation and scientific presentations.
Verified expert

Sylvia Berge

View profile

Freelance Digital Communication Consultant

Köln
Sylvia Berge

Last position:

Freelance Digital Communications Consultant, Social Media Marketing Expert & Project Lead

  • Strategy | Concept | Consulting | Project Management | Editing | Copywriting | Reporting | Format Development | Channel Optimization

References · mobile.de | mo:re Conference | mobile.de/more · mediakompetent (journalist, JTI) · Federal Employment Agency · Williams Racing (Formula 1) · Catholic Media Congress 2022

  • I look forward to a message or email at [email]
Verified expert

Markus Schnabel

View profile

Freelance Photographer and Videographer

Köln
Markus Schnabel

Last position:

Freelance Photographer and Videographer at Medianautiker

Discover over 15,000 top freelancers

Statistics of experts using R

Aggregated from the professional profiles of matched freelancers.

Experience

14 years

Position duration

2.3 years (Germany: 2.8 years)

Positions per freelancer

7 (Germany: 9)

Top business areas

Business Intelligence, Information Technology, Research and Development

Top industries

Education, Information Technology, Biotechnology

Certification focus areas

Information Technology, Business Intelligence, Logistics

Bachelor's degree or higher

100% (Germany: 99%)

Master's degree or higher

100% (Germany: 81%)

Doctorate

40% (Germany: 27%)

Certifications per freelancer

2 (Germany: 3)

Most common languages

German, English, French

Speak two or more languages

100% (Germany: 99%)

Based on our profile pool as of 30 Aug 2026.

Daily rate distribution

0 1 2 3 4
<€480 €480-​640 €640-​800 €800-​960 €960+

The chart shows how the daily rates of freelancers in this technology in Cologne 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 Cologne using R

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

1000
750
500
250
Rate comparison chart
Daily rate avg. 684 €
Germany avg. 744 €

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 660 €
Germany median 800 €

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

Data work

R is built for data analysis, statistics, and clear reporting. Companies use it to clean datasets, explore trends, validate assumptions, and turn raw numbers into decision support. It fits projects where reproducible results matter.

Common delivery

  • Statistical analysis and forecasting
  • Dashboards with Shiny
  • Data preparation and validation
  • Reporting with R Markdown or Quarto
  • Package development for internal use

Ecosystem

Strong R specialists work fluently with the tidyverse, ggplot2, dplyr, data.table, and CRAN packages. They also understand how to connect R with SQL, APIs, and cloud data sources. Good code is readable, reproducible, and easy to maintain.

When to bring help

Freelance R expertise is useful when a team needs extra hands for an urgent analysis, a one-off research project, or a reporting layer that must be reliable. It also helps when existing scripts are slow, messy, or hard to hand over. In Cologne, this is common in analytics-heavy teams, agencies, and research settings.

What strong specialists do

A strong R professional writes clean functions, tests critical logic, and avoids fragile notebooks for core work. They can explain the method behind the result, not just the output. They also know when to keep work in base R and when to use a package or a more modern workflow.

Working model

R projects can run fully remote, but some teams prefer on-site workshops for data access, stakeholder review, or model validation. The best setup is the one that keeps communication tight and the data secure. For Cologne-based teams, hybrid work is often a practical middle ground.

Published on:
FRATCH GPT

FRATCH GPT delivers freelancer proposals with clear reasoning and transparent pricing in minutes, helping your hiring department quickly and compliantly find the best talent.

Give it a try:

Try FRATCH GPT

Frequently asked questions

Everything clients usually want to know about R, in one place.

Companies usually hire R specialists for statistical analysis, reporting, data cleaning, and Shiny apps. They are also brought in for reproducible research, package work, and workflows that need clear documentation. R fits projects where the result must be easy to audit and repeat.

R is often the better choice when the work is heavily statistical, exploratory, or report-driven. Python is broader for general software tasks, while R is especially strong in analysis, visualization, and academic or regulated reporting contexts. Many teams use both, but keep R for the parts where it is strongest.

A strong R freelancer usually knows tidyverse, ggplot2, data.table, SQL, and at least one reporting tool such as R Markdown or Quarto. Shiny is important when the project needs interactive apps. Experience with Git and clear data handling is also a plus.

It depends on the scope, but R work is rarely just about writing code. A useful specialist should be able to explain data choices, handle missing values, and write reproducible analysis. For larger projects, look for someone who has already delivered similar reporting, modeling, or dashboard work end to end.

Yes, most R work can be done remotely if the data access and review process are set up well. On-site time helps when stakeholders want workshop-style analysis, sensitive data discussion, or close alignment on metrics. Many Cologne teams choose a hybrid setup for that reason.

Look for clean scripts, clear function structure, and results that can be reproduced from raw data. A good R specialist should explain why they chose a method, not just show charts. Check whether they document assumptions, edge cases, and handover steps clearly.

R is the language, and GNU R is the common open-source implementation people usually mean when they say R. In practice, searchers may use either term, but the work is the same: analysis, statistics, graphics, and reporting. The ecosystem around it is centered on CRAN packages and related tools.

Yes, R specialists who build Shiny apps need more focus on interaction, state, and user flow, while package work needs careful API design, testing, and documentation. Both require solid coding habits, but the delivery standards are different. Ask for examples that match your exact project type.

The average hourly rate of freelancers in Cologne, Germany who have used R in their recent projects is 86 €, which corresponds to a daily rate of about 684 € based on an 8-hour working day.

Of the freelancers in Cologne, Germany who have used R in their recent projects, 100% hold at least a Bachelor's degree, 100% hold at least a Master's degree, and 40% hold a doctorate.

On average, freelancers in Cologne, Germany who have used R in their recent projects have 14 years of professional experience, with a single engagement typically lasting around 2.3 years.

The most common languages among freelancers in Cologne, Germany who have used R in their recent projects are German (100%), English (100%), and French (27%).

The most common industries among freelancers in Cologne, Germany who have used R in their recent projects are Education (64%), Information Technology (55%), and Biotechnology (45%).

The most common business areas among freelancers in Cologne, Germany who have used R in their recent projects are Business Intelligence (73%), Information Technology (64%), and Research and Development (64%).

Main locations of FRATCH Experts, who have recently used R

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

Get in touch with the FRATCH team and we will get back to you within 4 hours.

Contact form

Would you rather directly get in touch?
We always have the time for a call or email!

FRATCH CEO avatar

Philipp Thomaschewski

FRATCH CEO

LinkedInFRATCH