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Feature Engineering Experts in Germany

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Hire experts who turn raw data into usable model inputs, design reliable feature pipelines, and improve feature selection across tabular, time-series, and event data. Get fast, precise matching with vetted, available freelancers.

Meet FRATCH Experts in Germany, who have recently used Feature Engineering

Verified expert

Philipp Grunert

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Machine Learning & Data Engineer

München
Philipp Grunert

Last position:

Data Scientist & ML Engineer at Data-Science Factory GmbH

  • Building, implementing and selling automated Data Science solutions such as Scorecard Factory and Forecast Factory
  • Implementation of automated end-to-end cloud processes
  • Development of LLM and NLP models
  • Creation of interactive reports
  • Support for national and international large corporations as well as medium-sized companies in implementing ML projects
Verified expert

Stanley Agwu

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Senior AI Engineer | LLMs, RAG & Agent Systems

Stanley Agwu

Last position:

Senior AI Engineer & Technical Lead at Independent / Freelance

  • TrendReel, production LLM agent and RAG system (Python, LangChain, OpenAI, Groq/Llama 3, Claude, FastAPI, Kubernetes, PostgreSQL).
  • Designed and built a production multi-step LLM agent system: a script generation agent with a per-platform psychology database, 7 viral narrative frameworks, and structured quality scoring, switching between Claude and Groq backends in real time based on output metrics.
  • Implemented multi-provider LLM routing (Claude primary, Groq/Llama 3 fallback) with priority-chain failover and quality-based provider switching, achieving 95% inference cost reduction while holding measurable quality thresholds.
  • Built an advanced RAG-style retrieval pipeline with per-platform knowledge bases, semantic content matching, and structured output evaluation across 7 decision frameworks, directly analogous to multi-tenant context-based reasoning for enterprise document workflows.
  • BrainyAI, adaptive AI learning platform (Python, LangChain, Groq Llama 3.3-70B, OpenAI, Next.js, Supabase, Redis).
  • Integrated Groq Llama 3.3-70B with education-level-aware prompting, dynamically adjusting vocabulary depth, citation complexity, and reasoning style across four student proficiency tiers.
  • Nexus Prime, multi-tenant SaaS platform for marketing and growth automation (25 modules, 99 backend routers, 153 frontend files).
  • Built a 25-module, 99-router multi-tenant SaaS platform covering ad remix, affiliates, WhatsApp inbox, email, and cart recovery, serving four subscription tiers from $199 to $1,999 per month with integrated Stripe, Paystack, and Flutterwave billing.
  • AI Video Surveillance Platform, multi-tenant edge and cloud computer vision system currently in active client pitch.
  • Designed a multi-tenant AI video surveillance platform combining edge YOLO26 inference on NVIDIA Jetson Orin NX boxes with a central GKE cloud layer (Postgres, Pub/Sub, ClickHouse, R2, Keycloak) for event storage, dashboards, alerting, and multi-tenancy.
Verified expert

Anjaneya Marimireddygari

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AI & ML Engineer · LLM Systems · Generative AI · Python · IEEE Published

Weimar
Anjaneya Marimireddygari

Last position:

Machine Learning Engineer Intern at Slash Mark

  • Built and fine-tuned CNN and RNN architectures using transfer learning for real-world classification tasks — core deep learning skills applicable to BMW's multimodal LLM and GenAI vehicle function development.
  • Implemented Dropout, Batch Normalisation, and Early Stopping across deep learning experiments; evaluated rigorously using precision, recall, F1-score, and confusion matrices for production-grade reliability.
  • Developed an AI-powered attendance management system using LBPH facial recognition, deployed via Flask web interface with real-time SMS notifications — demonstrating end-to-end AI product delivery for real users.
  • Collaborated across cross-functional teams to deliver scalable, documented ML pipelines designed for reproducibility — matching BMW's interdisciplinary team and research environment.
  • Integrated AI tooling directly into the development workflow from design through to testing, maintaining high velocity without compromising correctness.
Verified expert

Deepak Mishra

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Lead ML Platform Engineer

Berlin
Deepak Mishra

Last position:

Lead ML Platform Engineer at Billie GmbH

  • Mentor team of 6 ML platform engineers through weekly 1:1s, technical design reviews, and best practices, improving team velocity by 35% through structured sprint planning and skill development programs
  • Define 2025–2026 ML platform roadmap in collaboration with Data Science, Cloud Engineering, and Product teams, prioritizing automated model governance, cost attribution systems, and multi-environment deployment strategies
  • Partner with Data Science, SRE, and Product stakeholders to align ML platform capabilities with business objectives, reducing data scientist deployment friction by 60% through self-service platforms
  • Architect and deliver production-grade MLOps platform supporting 50+ models in production with automated promotion pipelines, versioning, and rollback capabilities, achieving 99.5% platform uptime SLA
  • Design distributed ML pipeline architecture using Metaflow and Argo Workflows (Vertex Pipelines-compatible), reducing model training time by 30% and deployment cycles from 2 weeks to 3 days through full CI/CD automation
  • Build containerized ML services on Kubernetes with auto-scaling policies, resource quotas, and multi-tenancy isolation, optimizing infrastructure costs by $180K annually (25% reduction)
  • Implement monitoring, alerting, and performance tracking using Prometheus, Grafana, and custom instrumentation, reducing model debugging time by 50% and establishing model performance SLOs
  • Lead development of RAG-based document intelligence platform using LangChain, LangGraph, and vector databases, implementing agentic AI workflows for automated financial document processing
  • Implement Infrastructure-as-Code using Terraform for reproducible environment provisioning and GitOps workflows, reducing infrastructure drift incidents by 80%
  • Design role-based access control for ML platform, implement model lineage tracking, and establish audit trails for regulatory compliance aligned with enterprise IAM best practices
Verified expert

Beshr Alnirabieh

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Data & Business Analyst | Business Intelligence | AI & Automation

Bonn
Beshr Alnirabieh

Last position:

System Administrator – HealthCare IT & Data Infrastructure at Cellitinnen Hospital Association

  • Integration of medical modalities (including ultrasound) into the existing IT infrastructure (DICOM, HL7) – put into operation within the planned timeframe.
  • Administration and optimization of PACS systems for efficient archiving and distribution of radiology image data across multiple locations.
  • Ensuring consistent data quality and seamless interoperability in data exchange between HIS, RIS, and PACS.
  • Close collaboration with medical staff to analyze and digitally optimize clinical workflows.
  • Requirements management and test coordination when implementing clinical requirements in complex IT structures.
Verified expert

David Onaiyekan

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ML Engineer

Erlangen
David Onaiyekan

Last position:

Research Intern at Pattern Recognition Lab

  • Spearheaded the integration of a custom Transformer-based encoder into the AFFGANwriting pipeline, replacing the legacy VGG19 architecture to capture richer, high-fidelity writer-style representations.
  • Boosted user-study pick-rates by 40%, demonstrating a significant leap in the perceptual quality and realism of the generated handwriting compared to the baseline model.
  • Enhanced OCR performance by 20% by implementing a teacher-student framework that leveraged a TrOCR benchmark model for auxiliary training alignment
Verified expert

Wolfram Knan

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Certified AI & Machine Learning Engineer · Senior Consultant

Berlin
Wolfram Knan

Last position:

AI / Machine Learning Engineer (Projects & Applied AI) at UNIVERSITÉ PARIS 1 PANTHEON-SORBONNE & LIORA

  • Designed and implemented a hybrid recommendation system (content-based + collaborative filtering)
  • Built end-to-end ML pipelines including data processing, feature engineering, model training, and evaluation
  • Developed RAG-based LLM systems using LangChain and vector databases for semantic search and knowledge retrieval
  • Established MLOps workflows with MLflow for experiment tracking, versioning, and deployment readiness
  • Implemented deep learning models (computer vision & classification) using PyTorch and TensorFlow
Verified expert

Serge Kalinin

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MLOps (machine learning operations)

Munich
Serge Kalinin

Last position:

MLOps (machine learning operations) at REWE Digital GmbH

  • It is like a startup within REWE, where we have to build a new forecasting system on Google Cloud Platform from the scratch. Although, officially my role is called MLOps, my actual tasks also include development of data processing pipelines (data engineering) and data scientists tasks such as feature engineering and model trainings.
  • GCP: Terraform (tofu), Vertex AI (Kubeflow), Cloud Run, IAM, Google Cloud Storage, BigQuery, Artifact Registry
  • Data engineering: Snowflake as the main data warehouse, Terraform, DBT for data model implementations
  • CI/CD: GitLab. We have built a CI/CD pipeline that automates deployments of new releases up to production environment
Verified expert

Enrico Goerlitz

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Data & AI Engineering | Backend Software Development

Berlin
Enrico Goerlitz

Last position:

Freelance Software & Data/AI Engineer at Freiberuflicher Software & Data/AI Engineer

  • Lecturer for the GenAI Track at the Master School Institute of Technology
  • Development of a full-stack AI application (React + Python/FastAPI) for automated supplier product import with intelligent column and category classification (4-layer hierarchical) including human-in-the-loop validation
Verified expert

Julia Sagert

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Data Scientist

Julia Sagert

Last position:

Senior Data Scientist / Consultant at Cloud Nation GmbH

Python, SQL, PySpark, Databricks, Databricks SQL, Delta Lake, dbt, Azure Data Lake Storage, Azure Machine Learning, Azure DevOps, Power BI, Git, MLflow

  • Developed, validated, and optimized predictive analytics and classification models using Python (pandas), SQL, and modern ML frameworks.
  • Performed data analysis, feature engineering, model validation, cross-validation, and stability analysis to ensure robust model quality and performance.
  • Communicated model assumptions, results, uncertainties, and limitations to business units, management, and technical stakeholders.
  • Built scalable data and machine learning workflows in cloud-based analytics environments using Databricks and Microsoft Azure.
Verified expert

Asad Karim

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Senior AI Developer

Magdeburg
Asad Karim

Last position:

Senior AI Developer at Neuland.ai AG

  • Architected and deployed a production-scale GraphRAG system using Neo4j, embeddings, and multi-hop reasoning over 120M+ nodes, improving answer precision by 32%, reducing hallucinations by 41%, and lowering retrieval latency by 38%.
  • Designed and implemented an enterprise agent ecosystem using Model Context Protocol (MCP), exposing internal APIs, databases, and services as secure callable tools for autonomous workflows and system integration.
  • Designed and deployed a production LLM-based email routing agent using Microsoft Graph API, MCP, and Azure OpenAI, achieving 96% routing accuracy, reducing manual triage workload by 65%, and decreasing response times from 18 hours to under 4 hours.
  • Implemented autonomous agent self-correction pipelines using iterative feedback loops (Ralph Wiggum), enabling reliable error detection, automated remediation, and production-safe execution.
  • Developed a multimodal semantic search platform using multimodal LLMs and vector embeddings, enabling semantic discovery across 250k+ image and video assets and improving search recall by 48%.
Verified expert

Felix Klug

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Senior Consultant Data Science & Engineer

Fürstenfeldbruck
Felix Klug

Last position:

Senior Consultant Data Science & Engineer at metafinanz Informationssysteme GmbH

  • Technical coaching for migration of activities from SAS to the Palantir Foundry platform
  • Provided technical consulting and guidance during onboarding, delivered end-to-end knowledge in Palantir Foundry including pipeline usage
  • Developed AI-driven tools for analysis of external parameters using machine learning techniques with TensorFlow and PyTorch
  • Built an ETL pipeline in Python deployed on AWS and administered a SQL database
  • Optimized business processes through process mining with Celonis by building frontend and backend dashboards, delivering data via SAS and SQL, setting up delta loads, and conducting enablement workshops
  • Collaborated with sales and recruiting teams to identify new opportunities and assess applicants
  • Organized internal and external events to promote teamwork and strengthen company presence
  • Deepened technical skills in AI/ML, cloud-based solutions, and data engineering within the finance and reinsurance industry
Verified expert

Basem Elasioty

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Head of Cloud & AI

Regensburg
Basem Elasioty

Last position:

Head of Cloud & AI at VxLabs GmbH

  • Led cloud and data engineering organization, defining architecture strategy for next-generation data platforms
  • Designed and delivered an automotive fleet data management system including scalable ingestion pipelines, signal catalog management, and campaign processing workflows
  • Built cloud-native microservices and streaming architectures supporting real-time vehicle data and AI-powered threat detection
  • Established engineering standards for data quality, security, lineage, and governance in alignment with ISO/SAE 21434 and GDPR
  • Managed engineering teams across data, backend, cloud, and AI functions, ensuring consistent delivery of high-quality, production-ready solutions
Verified expert

Enjeda Cekaj

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Associate Researcher — AI & Computer Vision

Augsburg
Enjeda Cekaj

Last position:

Associate Researcher — AI & Computer Vision at University of Augsburg

  • Research multimodal AI systems integrating image, text, and structured data.
  • Build end-to-end AI pipelines for data processing, model training, and evaluation.
  • Develop and test computer vision and image recognition solutions using deep learning.

Discover over 15,000 top freelancers

Statistics of experts using Feature Engineering

Aggregated from the professional profiles of matched freelancers.

Experience

10 years

Position duration

1.8 years

Positions per freelancer

6

Top business areas

Information Technology, Business Intelligence, Research and Development

Top industries

Information Technology, Education, Banking and Finance

Certification focus areas

Information Technology, Business Intelligence, Research and Development

Bachelor's degree or higher

100%

Master's degree or higher

82%

Doctorate

14%

Certifications per freelancer

3

Most common languages

German, English, French

Speak two or more languages

100%

Based on our profile pool as of 30 Aug 2026.

Daily rate distribution

0 10 20 30 40
<€400 €400-​800 €800-​1200 €1200-​1600 €1600+

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 Feature Engineering

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

800
600
400
200
Rate comparison chart
Daily rate avg. 628 €

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 600 €

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 it covers

Feature engineering is the work of turning raw data into signals a model can use. It shapes predictive quality in churn, fraud, forecasting, ranking, and recommendation work. Strong specialists know how to keep features useful, stable, and easy to reproduce.

Common tasks

  • Build feature pipelines from logs, product events, CRM data, and sensor data
  • Create time-based, lag, rolling, and aggregate features
  • Handle missing values, outliers, and high-cardinality categories
  • Test feature leakage and train-test consistency
  • Document feature logic for reuse in production

Tools and stack

Feature engineering often sits inside Python work with pandas, NumPy, scikit-learn, and Jupyter. In larger systems, specialists use Spark, SQL, dbt, Airflow, or a feature store to keep transformations shared between training and serving. The right setup depends on the data flow, not on one preferred tool.

When to bring in help

Companies usually bring in freelance expertise when models stall, feature logic becomes hard to maintain, or a team needs faster iteration. This is common in Germany in industrial analytics, e-commerce, finance, and logistics, where data is often mixed, late, or incomplete. Freelance specialists can also help transfer methods to an internal team.

What strong specialists do

A strong feature engineering professional thinks about data meaning, not only code. They ask where each input comes from, whether it is available at prediction time, and how it behaves over time. They also work cleanly with data science, analytics, and software teams so features stay usable after launch.

How quality shows

Good work is repeatable, documented, and tied to the model goal. Look for clear handling of leakage, versioned transformations, and features that match business behavior. The best specialists can explain why a feature helps, when it fails, and how to retire it safely.

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Frequently asked questions

Key details about Feature Engineering, drawn from the questions we get asked most.

Feature engineering turns raw inputs into model-ready signals. It can include date parts, rolling averages, ratios, encodings, text counts, or event-based summaries. Good work here often matters as much as the model choice itself.

Feature engineering creates or transforms inputs, while feature selection chooses which existing inputs to keep. In practice, teams often do both together. A strong specialist knows when to add structure and when to simplify.

A strong feature engineering freelancer usually works comfortably with Python, SQL, data pipelines, and basic statistics. For production work, knowledge of Spark, Airflow, dbt, or a feature store is often useful. Domain understanding also matters because the best features depend on the business signal.

Feature engineering expertise is valuable when data is messy, time-based, or drawn from many systems. It is especially important in forecasting, fraud detection, recommendation, risk scoring, and customer behavior models. If model results are unstable, the feature layer is often the first place to look.

Yes, feature engineering work is often well suited to remote collaboration. The specialist can review datasets, build transformations, and document logic without being on site. On-site time only becomes important when access to sensitive systems or close workshop work is needed.

A good feature engineering specialist can explain the data flow from source to model, not just write transforms. Look for clear thinking about leakage, reproducibility, and how features behave in production. Good examples from past work should show measurable business logic, not just technical tricks.

Feature engineering in Python is often used for exploration, experimentation, and complex transforms. SQL is usually better for shared, auditable logic close to the warehouse. Many solid teams use both: SQL for stable transformations and Python for faster analysis and testing.

A feature engineering specialist needs enough context to understand the prediction target, timing, and data sources. They should know when labels are created, which inputs are available at inference time, and what the model will be used for. Without that context, even correct code can produce weak features.

The average hourly rate of freelancers in Germany who have used Feature Engineering in their recent projects is 78 €, which corresponds to a daily rate of about 628 € based on an 8-hour working day.

Of the freelancers in Germany who have used Feature Engineering in their recent projects, 100% hold at least a Bachelor's degree, 82% hold at least a Master's degree, and 14% hold a doctorate.

On average, freelancers in Germany who have used Feature Engineering in their recent projects have 10 years of professional experience, with a single engagement typically lasting around 1.8 years.

The most common languages among freelancers in Germany who have used Feature Engineering in their recent projects are German (100%), English (100%), and French (10%).

The most common industries among freelancers in Germany who have used Feature Engineering in their recent projects are Information Technology (76%), Education (49%), and Banking and Finance (35%).

The most common business areas among freelancers in Germany who have used Feature Engineering in their recent projects are Information Technology (92%), Business Intelligence (86%), and Research and Development (76%).

Main locations of FRATCH Experts, who have recently used Feature Engineering

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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