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K-Nearest Neighbors Experts in Germany

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Hire experts who tune K-Nearest Neighbors models, choose distance metrics, and build reliable classification or recommendation workflows. Get fast, precise matching with vetted, available freelancers.

Meet FRATCH Experts in Germany, who have recently used K-Nearest Neighbors

Verified expert

Suraj Varma

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Research Engineer (Master's Thesis)

Würzburg
Suraj Varma

Last position:

Research Engineer (Master's Thesis) at Fraunhofer Institute for High-Speed Dynamics, EMI

  • Master's thesis titled "Determining Socioeconomic Resilience to Flood Events Using Machine Learning" as part of the HERAKLION project. Predicted economic damage after floods based on a dataset of 269 samples with 182 features.
  • Developed and compared XGBoost, SVR, and KNN using Python, scikit-learn, Pandas, and GeoPandas.
  • Achieved a 15–20% improvement in accuracy with XGBoost; evaluated model instability and data distribution effects.
  • Identified key data issues like high target variability and weak correlations; investigated the impact of K-Means clustering.
Verified expert

Daniel Carton

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Founder & Managing Director

München
Daniel Carton

Last position:

Founder & Managing Director at BotCraft GmbH

  • Building the company with a focus on connectivity for IIoT and Industry 4.0, iRPA/process automation, advanced robotics and smart systems, sensors and services
  • Project management and software architecture for IoT gateway development (since 2020) with protocol translation, IT/OT convergence and GRC
  • Developing RPA bots for automating and monitoring industrial processes with an agent-based AI approach (since 2020)
  • Implementing unsupervised clustering and anomaly detection for time series data in big data streaming pipelines (since 2021)
  • Introducing a Docker-based release train for OTA updates with DevSecOps and CI/CD (since 2018)
Verified expert

Anton Klonov

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Head of Technical Overall Integration NSC / Hadoop Cloud Development

Munich
Anton Klonov

Last position:

Head of Technical Overall Integration NSC / Hadoop Cloud Development at IABG

  • Head of technical overall integration NSC (National Secure Cloud project with about 60 employees).

  • Technical integration of all subprojects into one product, definition of interfaces, basic components of a cloud including hardware, technical architecture of the IABG base.

  • Development of a Cloud Management Platform (CMP) that can create a private/mixed cloud of any complexity based on a textual description with one click or interactively.

  • CMP also includes the complete hardware management cycle.

  • As a foundation, it uses Kubernetes, OpenStack, and Hadoop.

  • The management layer includes Harbor, Gitea, Longhorn, Keycloak, Rancher and Jenkins, which are automatically configured.

  • The private cloud can run any customer workloads, including a full Hadoop stack with HDFS, Spark, MapReduce, Mesos, HBase and around 20 other ML/DL technologies.

  • Hadoop worker clusters can also be automatically installed on bare metal or commodity hardware without Kubernetes.

  • OpenStack with Nova, Neutron, Ironic, Swift, Cinder, Ceph.

  • Development of a Java application Rudi: SOAP, REST, containers, database.

  • Technologies: Kubernetes (K3s, RKE2, Minikube, Harbor, Gitea, Jenkins, Longhorn, Keycloak, Rancher), OpenStack (Nova, Neutron, Keystone, Swift, Ceph, Cinder, Sahara, Magnum, Kayobe, Kolla, Bigrost, Ironic), Hadoop (HDFS, Ambari, Solr, Livy, Ranger, YARN, Tez, HBase, Kafka, Hive, Zookeeper, MapReduce, Spark, Oozie, Flink), virtualization (Kubernetes (K3s), VMware, Oracle), scripting (Ansible, Puppet, Juju, Shell, Groovy, Gradle, Maven).

Verified expert

Divij Wadhawan

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Data Scientist

Esslingen am Neckar
Divij Wadhawan

Last position:

Data Scientist at Daimler R&D, Daimler AG

  • Mercedes Me is an app that connects your phone to several features in the car
  • Implemented analytical KPIs for the Digital Drivers Log (Fahrtenbuch) feature
  • Used PySpark on Databricks
Verified expert

Aqsa Younus

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Client Services Manager

Erlangen
Aqsa Younus

Last position:

Multilingual Translation Tool - NLP Project

  • Integrated MarianMT (Marian Machine Translation) models to ensure high-quality neural machine translation (NMT).
  • Managed model loading and tokenization via Hugging Face Transformers, optimizing for offline caching and reproducibility.
  • Planned extensions: language auto-detection, batch translations, and streamlined GPU inference with PyTorch.
Verified expert

Mohamed Selim

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Automation & Software Engineer

Cottbus
Mohamed Selim

Last position:

Automation & Software Engineer at Freelance

  • Designed and optimized scalable n8n workflows for SEO content automation, integrating AI tools (OpenAI/LLMs) with databases via REST APIs and Webhooks

  • Implemented complex JSON data transformations, conditional logic, and robust error handling loops to ensure stability in critical business processes

  • Engineered trigger-based workflows using Make.com and Straico to replace manual operational tasks, achieving a 40% reduction in manual data entry

  • Maintained the core business system on Airtable, utilizing custom JavaScript scripting for advanced data validation and deduplication

  • Built robust data pipelines connecting Webflow, GA4, and Google Search Console, enabling real-time performance tracking and automated reporting dashboards

  • Deployed custom AI agents to enhance decision-making logic, translating business requirements into technical solutions

Discover over 15,000 top freelancers

Statistics of experts using K-Nearest Neighbors

Aggregated from the professional profiles of matched freelancers.

Experience

16 years

Position duration

1.9 years

Positions per freelancer

12

Top business areas

Information Technology, Product Development, Research and Development

Top industries

Information Technology, Automotive, Education

Certification focus areas

Product Development, Research and Development, Business Intelligence

Bachelor's degree or higher

100%

Master's degree or higher

100%

Doctorate

13%

Certifications per freelancer

2

Most common languages

German, English, Spanish

Speak two or more languages

100%

Based on our profile pool as of 30 Aug 2026.

Daily rate distribution

0 1 2 3 4
<€320 €320-​480 €800-​960 €960+

The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.

Average rates of experts in Germany using K-Nearest Neighbors

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

1000
750
500
250
Rate comparison chart
Daily rate avg. 741 €

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 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

What KNN does

K-Nearest Neighbors is a simple, practical machine learning method for classification, regression, and similarity search. It predicts by looking at the closest examples in the training data, so it works well when patterns are driven by local neighborhood structure. Teams use it for fraud signals, document tagging, product matching, and recommendations.

Where it fits

KNN is often chosen when a team needs a baseline quickly or wants a model that is easy to explain. It can work with structured business data, feature vectors from text or images, and ranking tasks where closeness matters. In Germany, it also shows up in manufacturing, retail, logistics, and insurance analytics.

What strong specialists do

  • Select distance metrics that fit the data
  • Scale and clean features before modeling
  • Tune the neighbor count and weighting strategy
  • Test recall, precision, and stability on real cases
  • Compare KNN with tree-based or linear models

Strong professionals know when KNN is the right tool and when it becomes too slow or too sensitive to noise. They also understand feature engineering, cross-validation, and data leakage risks.

Tooling around it

K-Nearest Neighbors usually appears in Python workflows with scikit-learn, NumPy, pandas, and notebooks for exploration. In applied projects, it may sit beside vector search, embedding pipelines, and evaluation scripts. Good specialists keep the implementation simple and the training data well prepared.

When companies bring help

Teams often bring in freelance expertise when a KNN model needs to be improved, explained, or compared against other approaches. That is common during proof-of-concept work, search relevance tasks, and data quality reviews. Remote collaboration works well, while on-site time in Germany can help when data access is sensitive or stakeholder alignment is still open.

What good delivery looks like

A solid KNN engagement ends with clear feature choices, a reproducible pipeline, and documented model behavior. You should expect honest guidance on limits, including memory use, prediction speed, and the impact of noisy data. The best specialists leave your team with a model that is easy to maintain and easy to replace if the use case grows.

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Frequently asked questions

Key details about K-Nearest Neighbors, drawn from the questions we get asked most.

K-Nearest Neighbors is used for classification, regression, and similarity-based lookup. Companies apply it to label customer cases, spot near-duplicate records, suggest similar items, and create simple recommendation or search prototypes.

K-Nearest Neighbors is more local and instance-based than models like decision trees or logistic regression. It can be easier to explain for small, well-prepared datasets, but it often needs more careful feature scaling and can slow down as data grows.

A strong K-Nearest Neighbors specialist should be comfortable with data cleaning, feature scaling, metric choice, and validation. Useful adjacent skills include Python, scikit-learn, exploratory analysis, and a good sense for when another model is a better fit.

K-Nearest Neighbors works well when the data is tabular, the relationship is driven by similarity, and the team needs a fast baseline or a transparent model. It is less attractive when prediction speed matters a lot or when the data is very high-dimensional and noisy.

You do not need a full machine learning program before bringing in K-Nearest Neighbors expertise. A freelancer can help at the problem-framing stage, during model selection, or when an existing proof of concept needs better results and cleaner evaluation.

Yes, K-Nearest Neighbors work is often remote-friendly because it centers on data, code, and evaluation. For Germany-based teams, on-site sessions can still help when the data is sensitive, the domain is complex, or business users need a short explanation of the model.

Look for clear reasoning about distance metrics, feature scaling, and the trade-off between accuracy and speed. A good K-Nearest Neighbors specialist will show how the model was tested, explain failure cases, and compare the result with simpler or stronger alternatives.

Not exactly. K-Nearest Neighbors is a prediction method that uses nearby examples, while nearest neighbor search is the underlying retrieval problem of finding close points. Strong practitioners understand both, especially when embeddings or large vector spaces are part of the project.

The average hourly rate of freelancers in Germany who have used K-Nearest Neighbors in their recent projects is 93 €, which corresponds to a daily rate of about 741 € based on an 8-hour working day.

Of the freelancers in Germany who have used K-Nearest Neighbors in their recent projects, 100% hold at least a Bachelor's degree, 100% hold at least a Master's degree, and 13% hold a doctorate.

On average, freelancers in Germany who have used K-Nearest Neighbors in their recent projects have 16 years of professional experience, with a single engagement typically lasting around 1.9 years.

The most common languages among freelancers in Germany who have used K-Nearest Neighbors in their recent projects are German (100%), English (100%), and Spanish (38%).

The most common industries among freelancers in Germany who have used K-Nearest Neighbors in their recent projects are Information Technology (75%), Automotive (50%), and Education (50%).

The most common business areas among freelancers in Germany who have used K-Nearest Neighbors in their recent projects are Information Technology (88%), Product Development (88%), and Research and Development (88%).

Main locations of FRATCH Experts, who have recently used K-Nearest Neighbors

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

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Philipp Thomaschewski

FRATCH CEO

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