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Python Engineer

Switzerland

Apply by 27 Sept 2025

CHF900 - CHF1000 per day

Job Ref.: BH-55454

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Stellenbeschreibung

We are looking for a highly skilled Application Engineer with strong expertise in Python, PySpark, SQL, and relational data modeling. The role focuses on extending and optimizing a consistency check engine for large-scale financial datasets, with strong emphasis on performance optimization in Spark. The environment is Azure-based, particularly Databricks, and requires hands-on engineering discipline.

Key Responsibilities
  • Develop, extend, and optimize solutions on Azure Databricks using Python, SQL, and PySpark.
  • Build and maintain software against delta lakes and relational databases.
  • Perform full-cycle engineering: analysis, design, implementation, testing (with emphasis on automated testing).
  • Optimize Spark performance for large datasets (tens of billions of rows, 200+ columns).
  • Collaborate within an agile team across multiple countries.
  • Ensure reliability and scalability of sub-ledger and related data systems.
Must-Have Skills & Experience
  • Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or similar.
  • Proven software engineering background (complex systems, not just scripting).
  • Strong Python development experience (software engineering level).
  • Hands-on PySpark experience.
  • Strong SQL and relational data modeling expertise.
  • Solid understanding of software engineering best practices (testing, version control, agile).
  • Excellent problem-solving and analytical skills.
  • Highly proficient in English (written and verbal).


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