Senior Spark Data Engineer / Big Data Engineer

Project overview

For an exciting project with our client in the Zurich or St. Gallen area (remote share only possible within Switzerland), we are looking for a Senior Spark Data Engineer / Big Data Engineer.

Key Facts

Responsibilities

Must-have requirements

Nice-to-have requirements

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Further information

Let’s power the future together

From business case to implementation: As a leading consulting firm for strategic transformations, we are a trusted partner for our clients - and for our employees. Responsible, high-performing, and always with a focus on people. #WeAreWavestone

With our 360° portfolio of consulting services, we combine first-class industry expertise with a broad spectrum of cross-industry competencies, work interdisciplinarily, and think outside the box. We can thus offer our partner companies and freelancers comprehensive perspectives within our own projects and, as a long-term framework agreement partner, support them in filling project vacancies – promptly and directly.

We look forward to hearing from you!

Your direct contact at Wavestone

Lejla Nametak

Phone: [contact removed]

Email: [contact removed]

• Migration of existing solutions from Spark 3 to Spark 3.5
• Analysis and adaptation of data pipelines and loading frameworks
• Ensuring compatibility of existing applications
• Development and optimization of Spark-based processing processes
• Collaboration with data and platform teams
• Testing, error analysis, and performance optimization
• Documentation of technical changes
• Several years of experience as a Data Engineer or Big Data Engineer
• Very good knowledge of Spark and PySpark
• Experience with Java, Python, or comparable compiled languages
• Know-how in Big Data platforms such as Cloudera, Hadoop, or Databricks
• Knowledge of data pipelines and ETL processes
• Understanding of distributed systems and data architectures
• Ideally, experience with Spark upgrades and migration projects
• Open personality with a quick grasp
• Fluent German language skills, both written and spoken
• Assignment duration: from immediately until the end of 2026
• Workload: 50-60%
• Location: Zurich or St. Gallen area with remote share (only possible within Switzerland)
• per week

Project details

02.11.2026

2 months /

Utilization: 50 %

Type of assignment:

Zurich

Country: Switzerland

• Start: 2026-11-02
• Duration: 2 Monate /
• Remote: onsite
• Location: Zürich, Switzerland, CH
• Languages: German