Senior Data Engineer (d/f/m)

4flow; Düsseldorf; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Remote-friendly work

Competitive base salary

Attractive bonus system

Training budget

Mental health support

Team events & fruit access

Job summary

4flow is seeking a Data & AI Engineer to develop data-driven features from architecture to optimization and simulation. You will design scalable data architectures, build robust pipelines and ensure reliable, accurate data solutions.

Collaborate with analysts, product managers and supply chain experts to convert complex data into practical outcomes. The role supports agile and DataOps workflows with a strong emphasis on Python, dbt and Airflow, and offers flexible remote work options within a

Qualifications

• Master's degree in a quantitative field is required or strongly preferred.
• Strong programming skills in Python and experience with data analysis/visualization libraries.
• Solid knowledge of analytical databases, data management and data pipeline deployment with tools like dbt and Airflow.

Responsibilities

• Drive the development of Data and AI features from data architecture to mathematical optimization and simulation.
• Design and implement scalable data architectures powering insights from databases to data warehouses and robust pipelines.
• Ensure data solutions are reliable, accurate and built to last, setting quality and scalability standards.
• Shape modern DevOps and DataOps workflows to keep processes agile and efficient.
• Partner with analysts, product managers and supply chain experts to turn complex data into practical solutions.

Skills

Python programming

Data analysis

Team collaboration

Communication

Education

Master's degree in a quantitative field (e.g., Mathematics, CS, Industrial Engineering, Statistics)

Tools

dbt

Airflow

Pandas

NumPy

scikit-learn

Matplotlib

Seaborn

Job description

4flow software develops a range of global standard software products for logistics and transportation planning that can be applied across all industries. The integrated planning approach of our software products ranges from the long-term optimization of network structures to the short-term optimization of transportation capacity utilization. In addition, planning results can be combined with transportation processing and accounting for integrated transportation management. Here, you will work at the intersection of logistics, technology, and compliance, driving product discovery and delivery.

What your new challenge will look like

• Drive the development of Data and AI features for 4flow software all the way from data architecture to mathematical optimization and simulation.
• Design and implement scalable data architectures that power real insights, including databases, data warehouses, and robust data pipelines.
• Ensure data solutions are reliable, accurate and built to last. Your work will set the standard for quality and scalability.
• Shape modern DevOps and DataOps workflows that keep our processes agile and efficient.
• Partner with analysts, product managers and supply chain specialists to turn complex data into practical solutions.

Why you belong at 4flow

To be successful in this position, we believe you should possess the following attributes:

• A Master's degree in a quantitative field such as (Business) Mathematics, (Business) Computer Science, Industrial Engineering, or Statistics.
• Strong programming skills in Python and experience with data analysis and visualization libraries (e.g., Pandas, NumPy, scikit-learn, Matplotlib, Seaborn).
• Solid knowledge of analytical databases, data management and data pipeline deployment with tools like dbt and Airflow.
• You are a fast learner with excellent communication skills and a structured, detail-oriented working style.
• You enjoy working with a team and want to contribute to an agile and supportive work environment.

Why 4flow?

• A clearly defined vision and job security at a company with German roots.
• Exciting international work environment as well as rapid career development opportunities.
• Outstanding opportunities for your individual development (individual training budget and internal trainings).
• Permanent position, competitive base salary, an attractive bonus system, and a great benefits package.
• Flexibility and the opportunity to work remotely.
• Employee Assistance Program for mental health support.
• Sports, team member events and team getaways.
• Free access to organic fruit, cereal, snacks, drinks, and coffee at all 4flow locations.

Ready for 4flow? We can't wait to get to know you!

We are committed to equal opportunities and welcome applications from all individuals, regardless of age, gender, origin, disability, sexual orientation, religion, or any other legally protected characteristic.