Senior Data Scientist and Marketing Effectiveness; MMM

Senior Consultant/Analyst Data Science & Marketing Effectiveness - 2026

Ekimetrics is a global leader in Marketing Effectiveness and AI-powered solutions. Since 2006 weve been helping businesses optimise marketing and operations by combining AI with business and tech expertise across 4 domains:
Marketing Effectiveness Customer Analytics Operational Excellence ESG & sustainability.

With a full in-house team and offices in Paris London New York Hong Kong and Shanghai we deliver tailor-made solutions that turn data into real positive impact leveraging our unique combination of technology and services.

We excel at delivering AI impact  mission is to harness this power to tackle the worlds most urgent issues. We commit to responsibility and frugality in AI systematic AI impact at scale and loyalty to our values and DNA.

Your responsibilities

As a Senior Analyst specialising in Data Science & Marketing Effectiveness you will lead the delivery of high-impact MMM programmes for international clients across industries such as Auto Beauty Retail and Financial Services. You will manage small teams oversee end-to-end project delivery and ensure actionable insights are delivered to clients.

Lead Projects

Lead end-to-end MMM and marketing effectiveness programs for international clients from data strategy and collection to modelling insights and activation.

Apply econometrics regression Bayesian statistics and machine learning methods to analyse marketing and customer data

Collaborate closely with Managers to understand the project scope structure analytical approaches manage operations and ensure timely delivery.

Build dashboards and visualisation tools to communicate actionable insights using proprietary Ekimetrics frameworks and best practices.

Translate complex analytics into clear business-oriented recommendations for senior stakeholders and C-suite clients.

Support clients in optimising marketing spend understanding campaign performance improving customer segmentation and maximising ROI.

Client & Account Management

Serve as the day-to-day operational contact for clients building trustful relationships and proactively identifying growth opportunities.

Present findings recommendations and actionable insights in client-facing workshops and executive presentations.

Collaborate closely with managers and partners to develop proposals for new or expanded work aligned with Ekimetrics commercial offerings.

People & Project Leadership

Lead teams of 310 colleagues across multiple projects ensuring high-quality delivery client satisfaction and profitability.

Mentor and develop junior team members strengthening technical analytical and client-facing competencies.

Share best practices and contribute to internal knowledge management initiatives.

Practice & Business Growth

Identify opportunities for account growth and contribute to development with existing and prospective clients

Act as an ambassador of Eki culture by supporting transversal initiatives (e.g. Thought Leadership Knowledge Management Recruitment and Innovation.

Champion and role-model our core values: Curiosity Creativity Excellence Transmission Pleasure

Your profile

Experience & Technical Skills

Strong 34 years experience in marketing effectiveness/MMM and analytics/data science

Bachelors or masters degree in Statistics Econometrics Data Science Economics Applied Mathematics Marketing Analytics or related field.

Strong proficiency in Python R SQL or similar tools.

Experience with Databricks Azure or other cloud/data platforms is a plus.

Solid understanding of econometrics regression analysis Bayesian statistics or other advanced modelling techniques.

Experience translating data and model outputs into actionable business recommendations.

Comfortable handling large datasets optimizing data pipelines and delivering high-quality outputs

Leadership & Client-Facing Skills

Excellent communication and storytelling skills for senior stakeholders

Demonstrated ability to lead multiple project teams and manage priorities with autonomy

Strong strategic thinking problem-solving mindset and drive for continuous improvement

Supportive team player with a passion for talent development coaching and enabling team growth

Ability to contribute to impactful thought leadership and forward-thinking perspectives on measurement and marketing effectiveness.

Why join us

At Ekimetrics your ideas truly matter. We embrace an entrepreneurial spirit encouraging you to push boundaries while thriving in a collaborative environment. We believe in enjoying what we do and fostering a safe inclusive space where you can bring your authentic self.

In 2023 Ekimetrics obtained mission-driven company status reflecting our commitment to CSR.

Our purpose:
Accelerate organisations transformation towards sustainability through data science and AI.

We are proud to have been certified Great Place to Work in France the UK and the US with our Hong Kong office recognised as Best Companies to Work for in Asia 2023. Ekimetrics is also part of the French Tech…