Principal Data Scientist job opportunity at NielsenIQ.



Date2026-05-05T08:43:22.411Z bot
NielsenIQ Principal Data Scientist
Experience: General
Pattern: Full-time
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degreeGeneral
loacation Praca Duque de Saldanha 1, 2, Lisbon, 11, Portugal
loacation Praca Duque de..........Portugal
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Job DescriptionOn a daily basis you’ll be expected to:  Work across functions, including with other data scientists specializing it different areas, on various projects, including R&D and automation to solve the business needs of the day Translate Clients’ requirements to actionable solutions or products  Ideate and develop solutions for the product innovation pipeline Define the given business problem as a scientific research problem Define and own the roadmap of R&D and prototyping solutions Research solutions, set and execute experiments, prototype the solution and support Technology team on productionalizing them  Build statistical and analytical models (including ML/AI approaches) as prototypes and POCs to address specific client business needs Test and optimize those models using big data. Fine tune parameters and iterate. Document the solution and experimentation to arrive to it, and create specifications for Technology team to productionize it Read, write, comment, maintain, and share legible and quality computer code utilized in prototyping and suctioning. 

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