Job Title: Data Architect Specialist We're looking for a Freelance Software Engineer 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: - Design and implement real-time and batch data pipelines using Kafka and Spark. - Create data models that enable fast analytical queries. - Evaluate and maintain high-quality, high-performance, and scalable data architecture. - Collaborate with cross-functional teams to deliver impactful data solutions. Requirements: - Strong Java and Spark SQL skills. - Experience with Kafka, Spark, and OLAP engines. - Familiarity with columnar databases is a plus. - A minimum of 3 years' experience working on similar projects. Work Arrangements: - Remote work arrangements available. - Possibility to be onsite in Berlin preferred. Additional Information: - Darwin Recruitment is acting as an Employment Business.