Senior Data Engineer – Contract Position – HIRING ASAP

Location: Adliswil Switzerland (2-3 days onsite per week, 2-3 days remote)
Start Date: Up to 1 month notice
Duration: 12 months (extension possible)
Maximum Rate: CHF 750 – CHF 855 per day

About the Role

• Major transformation project requires support from experienced data engineer.
• It is in relation to their initiatives to replace the legacy system, but the role has nothing to do with the legacy system. The role is there to break the peak, but it is a long-term role, and an extension is very probable.

About You
You are a result-driven experienced software engineer, passionate about your craft and eager to grow further, comfortable meeting (sometimes tight) deadlines and confidently taking ownership of features. You have an accomplished record in delivering sustainable solutions and you desire to develop your skills and knowledge about the platforms which you will be working on, both the technical aspects and how they are used by our business partners. You are comfortable working in multi-dimensional agile teams with direct involvement from business subject matter experts and care about security, quality, user experience, documentation, testing, team spirit and the overall big picture. Finally, you want to put clean code principles into practice on large code bases.

Key Responsibilities

• Implementation of production ready data pipelines using PySpark running on Databricks based on specification provided by business analysts. Interaction with other data engineers and solution architects to meet functional and non-functional requirements.
• Current challenges
• Non-functional requirements (dealing with billions of records and hundreds of attributes)
• Having high delivery velocity and still building maintainable code and keeping technical debt under control

Required Skills & Experience

• PySpark – Spark and Python
• Delta Lake and Databricks
• Azure fundamentals
• Bachelor's or master's degree in computer science, or any other related field
• Strong software engineering skills, including familiarity and application of design patterns, and engineering best practices.
• Proven experience developing complex software systems as a software engineer (at least 5 years)
• Strong understanding of data engineering techniques with high level programming languages (e.g., Java, C#, or Python) and analytical frameworks
• Strong core Python software engineering experience
• At least 3 years for hands on experience with Apache Spark (PySpark), developing applications using an IDE such as VS Code or PyCharm
• Experience of working with delta lakes and optimizing Spark workloads running on it.
• Have a good understanding and significant experience with projects using relational data models and SQL.
• Good work ethic and self-starter. You look out for issues, opportunities and address them when you can, raise them when you cannot.
• Good analytical skills and the ability to understand complexity and break it down into smaller, achievable steps.

Language Skills

• English: Good spoken and written skills

Team Structure
The team has 10-12 members, mostly based in Switzerland and Italy. We value in person interactions, hence the position being opened in Switzerland.