Senior Data Engineer

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DAS MACHST DU BEI UNS

Own and evolve our data warehouse stack (Matillion, Redshift, Tableau), 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 using Matillion 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

DAS BRINGST DU MIT

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 - you ask the right questions and bridge the gap between stakeholders and data
Python skills and experience with Infrastructure as Code and Ansible are a plus
Fluent in English, German is a plus

DAS BEKOMMST DU

A senior role with real ownership in a lean team of four: 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 our modern offices in Zurich or Geneva
An international company that sees diversity as a strength, with cross-functional teams and a genuine commitment to inclusion
Salary between CHF 130'000 and 150'000 gross per year, depending on experience

BENEFITS