(Junior) Data Engineer & Data Scientist (80–100 %)

About the job

Develop and implement data solutions for the media and advertising industry.

We are looking for an action-oriented individual with expertise in Data Engineering and Data Science. In your versatile role, you will develop robust data solutions and accompany data-driven projects from concept to market launch. Thanks to strong project management and communication skills, you will create the link between technology, specialist departments, and decision-makers.

Your tasks

• Design, build, and further develop data pipelines, data models, and data platforms
• Lead data-related projects including budget and resource management
• Integrate, prepare, and ensure the quality of structured and unstructured data from various sources
• Design, develop, validate, and deploy statistical models as well as machine learning solutions and AI systems, especially retrieval-augmented generation (RAG) solutions and integrations based on the Model Context Protocol (MCP)
• Analyse complex data sets and translate the results into actionable recommendations
• Coordinate interdisciplinary teams and external partners
• Document data flows, models, architectural decisions, and operational processes

Your profile

• University degree in computer science, data engineering, data science, statistics, mathematics, or a comparable field
• Practical experience in data engineering and/or data science as well as in implementing data-related projects
• Excellent knowledge of Python, R, and SQL; experience with ETL/ELT processes, APIs, version control, and automated deployments
• Experience with cloud data platforms, modern data warehouses or lakehouse architectures, as well as common analysis and machine learning frameworks
• Practical experience in developing and integrating AI systems, especially with RAG architectures, vector databases, embedding models, and MCP-based setups
• Experience in market or media research, especially handling survey data, as well as knowledge of the media and advertising industry is an advantage
• Project management experience, ideally in an agile or hybrid environment
• Structured, independent, and solution-oriented working style with a high level of quality awareness
• Very good German and English skills, both spoken and written

What we offer

• Work with industry-established data of the highest quality with maximum practical relevance
• A key role with great scope for creativity in a data-oriented environment
• Interdisciplinary collaboration with short decision-making paths and an open communication culture
• Modern technologies as well as targeted professional and personal development
• Flexible working models and contemporary employment conditions

About WEMF

WEMF AG for Advertising Media Research is the neutral and independent industry research organisation for the Swiss and Liechtenstein media and advertising market. It creates transparency and sound decision-making bases for the media and advertising industry with reliable, currency-setting studies, audits, data solutions, and consulting. Its tasks include national readership research, certification of print media, out-of-home screens or online targeting predictions, the collection of media usage and consumption behaviour, as well as the development of innovative data and software solutions for an increasingly cross-media market.

Interested?

We look forward to receiving your complete application.

If you have any questions, Marc Sele, Deputy CEO and Executive Director of Data and Tools, will be happy to assist you at +41 43 311 76 64.