Senior Data Engineer

We are working with a leading Swiss digital company that connects talented individuals with exciting career opportunities across various industries. They are renowned for their innovative approach to recruitment solutions and their commitment to fostering personal and professional growth.

The Role

• Own and evolve the data warehouse stack, ensuring reliability, performance, and long-term scalability
• Design and maintain sustainable business data models that serve as the single source of truth for reporting and analytics
• Develop and optimize complex SQL transformations and ETL pipelines to support business-critical use cases
• Manage master data processes to ensure accurate consolidation and consistency across all connected systems
• Translate business requirements into well-structured, documented data models, challenging assumptions where needed
• Collaborate closely with BI and analytics consumers to ensure data is accessible, understandable, and fit for purpose
• Share knowledge through documentation, internal presentations, and active cross-functional collaboration

What You'll Need

• 3+ years of experience in data warehouse development and data modeling, ideally with Redshift and Matillion
• Advanced SQL skills with a strong focus on query performance, scalability, and maintainable transformation logic
• Solid experience designing dimensional or relational business data models for analytical use cases
• Working knowledge of AWS services relevant to the warehouse layer, particularly S3, Redshift, and Lambda
• Familiarity with BI tools, preferably Tableau, with a good eye for how model design impacts end-user experience
• Experience with master data management and cross-system data consolidation
• Strong business acumen combined with structured analytical thinking, able to bridge the gap between stakeholders and data
• Fluent in English; German is a plus

What's On Offer

• A senior role with real ownership in a lean team where your data models shape how the whole company uses data
• Flat hierarchy, collaboration at eye level, and the freedom to bring your own ideas and challenge the status quo
• Hybrid work model with flexibility to work remotely and from modern offices
• An international company that sees diversity as a strength, with cross-functional teams and a genuine commitment to inclusion

Apply via Haystack today!