Freelance Software Engineer - Data

Darwin Recruitment; Dortmund; Remote; EUR 40.000 - 60.000; Vollzeit

Zusammenfassung

A leading company is seeking a Freelance Software Engineer to design and build scalable data models and pipelines for analytical applications. The role focuses on building data pipelines with technologies like Kafka and Spark, ensuring data quality and collaborating with teams. The position is remote but requires candidates to be based in Germany, with the possibility of onsite work in Berlin.

Qualifikationen

• Minimum of 3 years experience in similar projects.
• Strong understanding of data architecture and data modeling.
• Familiarity with batch and real-time data pipelines.

Aufgaben

• Build and maintain real-time and batch data pipelines.
• Ensure data quality, performance, and scalability.
• Collaborate with cross-functional teams.

Kenntnisse

Java

Spark SQL

Kafka

Data Modeling

Programming

Tools

Spark

OLAP engines

Columnar databases

Jobbeschreibung

We're looking for a Freelance Software Engineer on behalf of our client, to help design and build scalable data models and pipelines. This will support analytical queries for internal applications used by multiple departments.

Key focus areas :

• Build and maintain real-time and batch data pipelines (Kafka, Spark)
• Ensure data quality, performance, and scalability
• Data architecture and data modeling
• Collaborate with cross-functional teams to deliver high-impact data solutions

Requirements :

• Strong Java and Spark SQL skills
• Experience with Kafka and Spark
• Understanding of OLAP engines and data modeling
• Familiarity with columnar databases is a plus
• A minimum of 3 years experience working in similar projects

Location : Germany (Remote)

Start : July 2025 (earliest June)

Initial Contract : 6 Months

Please note that due to the nature of this projects, freelancers should be readily based in Germany. Possibility to be onsite in Berlin is preferred.

Desired Skills and Experience

Data , Software , Engineer , Kafka , Spark , Java , Programming , modeling principles, ClickHouse

Darwin Recruitment is acting as an Employment Business in relation to this vacancy.