Find the perfect Machine Learning Engineers in Berlin in minutes from over 15,000 CVs with the power of AI
Bring in specialists for model development, MLOps, feature engineering, LLM integration, and production deployment. Get fast, precise matching with vetted, available freelancers who can plug into your team without delay.
About the role
What they build
Machine learning engineers turn data work into working systems. They build, train, test, and deploy models that solve real product or operations problems. Common deliverables include prediction services, recommendation logic, anomaly detection, NLP pipelines, and model monitoring for live systems.
Core skills
- Model design, training, validation, and iteration
- Feature engineering and data preprocessing
- Python, SQL, and strong software engineering habits
- MLOps, CI/CD, experiment tracking, and deployment
- Working with cloud stacks, containers, and APIs
- Clear handover to product, data, and backend teams
Typical toolset
A strong machine learning engineer works comfortably across notebooks, codebases, and production services. Python is usually central, with frameworks such as PyTorch, TensorFlow, or scikit-learn. For shipping models, they often use Docker, Kubernetes, MLflow, Airflow, Spark, and cloud services on AWS, Azure, or Google Cloud.
When companies hire
Companies bring in a freelance machine learning engineer when a model project has to move from idea to production, or when an internal team needs extra hands for a specific system. In Berlin, this often includes startups, SaaS teams, mobility companies, e-commerce players, and larger product teams modernizing their data stack. Freelancers are a good fit when the scope is clear, the timeline is tight, or the work needs specialist depth without a long hiring process.
What strong talent looks like
A good machine learning engineer does more than tune models. They understand data quality, failure modes, latency, and maintenance. They write code that other engineers can support, and they make trade-offs that fit the product.
- They can explain why a model choice fits the use case
- They think about reproducibility, monitoring, and drift
- They collaborate well with data scientists and backend engineers
- They know when a simpler baseline is the better answer
Remote or on-site
Many machine learning projects can be handled remotely, especially when the work centers on code, data access, and deployment pipelines. On-site or hybrid collaboration can help when teams need close work with domain experts, security-sensitive data, or fast alignment with product and engineering in Berlin. Clear access to datasets, environments, and decision makers matters more than location alone.
Meet FRATCH Machine Learning Engineers
Haseeb Zahid
Senior AI Engineer | LLM Engineer | ML Engineer
Last position:
Senior Data Scientist at WPP MEDIA
- Designed and deployed enterprise Retrieval-Augmented Generation (RAG) applications using LangChain, LangGraph, vector databases, embeddings, and open-source LLMs served through vLLM on GCP GPU infrastructure.
- Built agentic AI workflows using LangGraph with planning, reasoning, tool execution, persistent memory, session management, and Human-in-the-Loop approval mechanisms.
- Developed LLM-powered automation systems integrating BigQuery, SQL pipelines, and external advertising APIs including Meta, TikTok, Amazon, Snapchat, Google, and Pinterest, reducing manual operational workflows.
- Architected multi-agent AI systems for enterprise analytics and decision-support workflows, enabling autonomous task execution and intelligent data interactions.
- Implemented retrieval optimization strategies including multi-retriever architectures, semantic search, context optimization, and query improvement techniques, improving response relevance by approximately 40%.
- Engineered structured prompting strategies, function-calling schemas, and validation workflows to improve reliability of multi-step LLM applications.
- Designed scalable AI services using Python, FastAPI, Cloud Run, Pub/Sub, BigQuery, Docker, and cloud-native deployment architectures.
Daniel Christoph
AI Engineer
Last position:
AI Engineer at EMLI GmbH
- Development and deployment of AI/ML models to support research, production, and QC processes in GxP-regulated life science environments
- Building scalable MLOps infrastructures for the production use of AI solutions in regulated areas, including cloud architectures and data pipelines
- Regulatory compliance and validation according to GAMP 5, EU AI Act, and data integrity requirements, including audit trail-compliant documentation
- Interdisciplinary project management in AI and digitalization projects: coordinating stakeholders, budget responsibility, client communication
- Data engineering and integration: analyzing diverse production data, ensuring data quality, and integration into validated systems
Philipp Großer
Machine Learning Engineer
Last position:
Machine Learning Engineer at docmetric GmbH
- Analyzed patient data for various clients
- Developed complex analysis pipelines
- Performed quality assurance on methods
Louis Guitton
Freelance Solutions Architect and Machine Learning Engineer
Last position:
Freelance Solutions Architect and Machine Learning Engineer at Self-employed
- Develop and demonstrate solutions using GenAI software like langchain, vercel ai sdk, copilotkit
- Work with customers to understand their challenges and provide the best solutions based on open-source data products
- Build RAG and GraphRAG solutions using Neo4j, lancedb, and Postgres
- Deploy a LLMOps platform using kubernetes, terraform, helmfile, Arize phoenix, mlflow
- Architect and build data pipelines using dbt, Trino, Spark, Iceberg, Airflow, ArgoCD, terraform, kubernetes
- Delivered user-centred technical strategy for Agriculture 4.0 and precision livestock farming, helping my client secure funding from Bpifrance
- Delivered a prospecting tool for a leading French solar carport installer, using geospatial computing (GIS), speeding up the sales process
- Built digital twin architecture for solar carports and EV chargers, making real-time monitoring and smart charging possible
Meisam Ghafarlangroudi
Machine Learning Engineer
Last position:
Machine Learning Engineer at Geeks
- Utilized a Large Language Model (LLM) at WordUp, tailored to enhance vocabulary learning by understanding and generating contextual examples, improving personalized learning experiences
- Developed a high-performance Fast API service for retrieving high-K similar vectors with batch querying capabilities. This service is crucial for enabling efficient Retrieval Augmented Generation (RAG) and semantic search applications
- Designed and implemented a high-performance Python ETL pipeline, optimizing CPU and I/O utilization and streamlining data cleansing logic, resulting in a 30% reduction in processing time
- Utilized machine learning to analyze user behavior and predict churn, identifying key engagement trends that led to a 15% increase in user retention and satisfaction
- Developed a Customer Lifetime Value (CLTV) prediction model, leading to a 10% increase in average CLTV through targeted retention efforts
Discover over 15,000 top freelancers
Machine Learning Engineers statistics
Typical experience
13 years
Average project duration
2.3 years
Certifications per freelancer
2
Top business areas
Information Technology, Business Intelligence, Product Development
Top industries
Information Technology, Media and Entertainment, Automotive
Most common languages
German, English, French
Bachelor's degree or higher
100%
Master's degree or higher
83%
Daily Rate Distribution
The chart shows how the daily rates of freelancers in this role 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. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Average rates for Machine Learning Engineers & Seniority distribution
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
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.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Frequently Asked Questions
Curious about FRATCH? Find the answers you need
A Machine Learning Engineer turns a use case into a model that can run in production. That usually includes data preparation, feature work, training, evaluation, deployment, and monitoring. In many projects, the freelancer also helps define the right baseline and decide whether a model is needed at all.
Look for strong Python and SQL skills, solid software engineering, and practical experience with model deployment. A good machine learning engineer also understands data quality, experiment tracking, and how to monitor models after launch. If the work touches LLMs, ask about prompt design, retrieval, and evaluation as well.
A data scientist often focuses more on analysis, experiments, and insight generation, while a machine learning engineer is more focused on building and shipping reliable systems. The term ML developer is sometimes used for similar work, but it can be narrower and less precise. In practice, the best freelancer can cover both model work and the engineering needed to run it.
A freelancer makes sense when you need specialist support for a defined project, a product launch, or a gap in the team. This is common when the model stack is new, the internal team is stretched, or you need help only for part of the delivery chain. A freelance hire is also useful when you want speed without a long recruiting process.
Yes, most of the work can be done remotely if the data access, environment, and communication setup are clear. For Berlin teams, hybrid work is often useful when the project needs close contact with product, backend, or domain experts. The best setup depends on how sensitive the data is and how quickly the team needs to iterate.
Expect more than a notebook. A machine learning engineer should be able to deliver training code, evaluation logic, deployment-ready services, monitoring setup, and clear documentation for handover. If the project is production-focused, ask for reproducible pipelines and a plan for model updates.
Ask for examples of models they have shipped, not just models they have trained. Good candidates can explain trade-offs, data issues, and what they did when a model failed in production. Strong work is visible in clean code, sensible architecture, and a practical view of maintenance.
Start with the business problem, data sources, success criteria, and the systems the model must connect to. A Machine Learning Engineer can move faster when access, owners, and deployment constraints are clear from day one. It also helps to share where the model will be used, because that affects latency, explainability, and monitoring.
The average hourly rate for Machine Learning Engineers in Berlin is 102 €, which corresponds to a daily rate of about 819 € based on an 8-hour working day.
Of the freelancers working as Machine Learning Engineers in Berlin, 100% hold at least a Bachelor's degree and 83% hold at least a Master's degree.
On average, freelancers working as Machine Learning Engineers in Berlin have 13 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers working as Machine Learning Engineers in Berlin are German (83%), English (83%), and French (17%).
The most common industries among freelancers working as Machine Learning Engineers in Berlin are Information Technology (100%), Media and Entertainment (67%), and Automotive (33%).
The most common business areas among freelancers working as Machine Learning Engineers in Berlin are Information Technology (100%), Business Intelligence (67%), and Product Development (67%).
Request a Free Demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
