Junior Marketing Effectiveness Specialist

About the role

This is a unique opportunity to join a data‑driven organisation where advanced analytics directly shape commercial decision‑making. As a Junior Marketing Effectiveness Specialist you will support Marketing Mix Modelling projects that help clients optimise media spend and improve performance.

Key responsibilities

• Assist in data preparation, model execution and scenario analysis for Marketing Mix Modelling.
• Collaborate with senior stakeholders to deliver technically robust outputs.
• Apply statistical and machine‑learning techniques to solve marketing and business challenges.
• Translate complex model results into clear, actionable insights for non‑technical audiences.
• Leverage AI tools to enhance workflow efficiency and documentation.

Required profile

• Strong commercial experience in data science with exposure to statistical modelling or Marketing Mix Modelling.
• Proficiency in Python and experience with cloud platforms such as Google Cloud Platform.
• Understanding of Bayesian statistics and marketing attribution methodologies.
• Detail‑oriented mindset with a focus on accuracy and quality.
• Curiosity to develop skills at the intersection of data science and marketing effectiveness.

Required skills

• Python
• Google Cloud Platform
• Meridian
• Robyn
• PyMC

What we offer

• Exposure to large‑scale, complex datasets across multiple industries.
• Collaborative, analytics‑led culture with opportunities for professional growth.
• Hybrid working arrangement in London.