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Senior Marketing Data Analyst

Welltech

Warsaw, Mazovian, Poland Remote contract

Posted: February 18, 2026

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Quick Summary

A Senior Marketing Data Analyst role at Welltech, a global health and fitness company, involves analyzing and interpreting complex data to inform marketing strategies and improve customer engagement.

Job Description

🚀 Who Are We?

Welcome to Welltech—where health meets innovation! 🌍 As a global leader in Health & Fitness industry, we’ve crossed over 200 million installs with three life-changing apps, all designed to boost well-being for millions. Our mission? To transform lives through intuitive nutrition trackers, powerful fitness solutions, and personalized wellness journeys—all powered by a diverse team of over 700 passionate professionals with presence across 5 hubs.

Why Welltech? Imagine joining a team where your impact on global health and wellness is felt daily. At Welltech, we strive to be proactive wellness partners for our users, while continually evolving ourselves.

What We're Looking For

We are looking for a Senior Marketing Data Analyst, who will empower our analytics team at one of our flagship projects.

Challenges you’ll meet:

• Carry out complex analysis of datasets and conduct appropriate data validation;

• Work with business requirements, structure them into analytical reports;

• Provide analytical support to Senior stakeholders both on your dedicated project and cross-project;

• Create dashboards and reports, define key metrics and monitor the integrity and validity of the data reported;

• Reviewing marketing results to improve performance (like revenue increase, ROI and PAM trends, reach or engagement);

• Collaborate with team members and stakeholders on business results and drive the impact of data-driven decisions.

Your professional qualities:

• At least 3 years in Marketing/Data analyst role;

• Strong knowledge of SQL;

• Experience in working with Performance Marketing stakeholders in user acquisition;

• Experience with visualization tools - Tableau, Looker or similar;

• Understanding of marketing metrics, cohort analysis, user segmentation, research deepdives;

• Experience in analysing major networks data - Meta, Google, TikTok, Applovin etc;

• Understanding of UA web funnel;

• Experience with LTV calculations, ideally in subscription monetization model;

• Strong analytical and creative thinking skills and the ability to clearly articulate approach, process, and results;

• Ability to work on several projects at a time, plan, prioritize and meet deadlines;

• Able to communicate effectively in English.

Nice to have:

• A/B test planning, preparations, and analysis. A/B testing experience in user acquisition and/or creative testing is a huge plus;

• Familiarity with web attribution or Appsflyer, Adjust, GA, Firebase, SKAdNetwork;

• Knowledge of Python (Numpy, Pandas, Sci Kit-learn, etc.).

Candidate journey

⭕️ Recruiter call --> ⭕️ Meet a team member --> ⭕️ Meet the Leadership team --> ⭕️ Skills assessment

Why You'll Love Working at Welltech:

✨ Why You’ll Love Being Part of Welltech:

• Grow Together: Join a culture that champions both personal and professional growth. Here, you’ll thrive as we learn, evolve, and succeed together.

• Lead by Example: No matter your role, your leadership matters. Every team member is empowered to inspire and make an impact.

• Results-Driven: We’re all about achieving meaningful outcomes. It’s not just about the effort, but the difference we make every day.

• We Are Well-Makers: Be part of a movement that’s creating a healthier, happier world. Together, we make well-being a reality!

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