7NXT // Senior Marketing Decision Analyst (m/f/d)

Your Impact As our Senior Marketing Decision Analyst (m/f/d), you will partner with Marketing & Product Managers and Heads of Marketing across 7NXT’s multi-brand portfolio (Gymondo, 7Mind and Buddyfit) to drive clarity, challenge assumptions and unlock smarter marketing decisions across all growth channels.This role is not about dashboards or reporting. It's about marketing decision intelligence: helping our teams understand what’s really driving performance, what to do next and where to invest.You’ll go deep into user behavior, experiment design and marketing effectiveness with a strong focus on causal measurement, incrementality and subscription-building insights. Your MissionDecision Intelligence & Strategic SparringAct as a strategic thought partner in marketing decision-makingTranslate data into simple, actionable language: turn complexity into clarityHelp prioritize investments, guide strategic bets and unlock growthImpact Measurement & Causal InferenceMove beyond attribution: measure true incremental impactDesign structured experiments (e.g. geo splits, holdouts, uplift tests) and analyze results using robust statistical methodsCross-Brand & Channel InsightsCompare what works (and what doesn’t) across brands, markets and campaignsIdentify repeatable growth levers and help to decide where budget should be investedTranslate insights into actions for CRM, Paid Social, Search, Influencer and new growth channelsExperimentation & Behavioral AnalysisModel user behavior, funnels, retention loops and conversion flowsOwn and evolve our experimentation practice (incl. CRO, AB tests)Use behavioral signals to improve creative strategy and campaign timingCommunication & InfluenceTell stories that matter: explain what’s happening, why and what to do about itCoach marketers to become more data-literate and hypothesis-drivenElevate data quality, methodology and standards across the teamOur Tech-Stack Google Analytics, GA4, Google Tag Manager, Rudderstack, Tableau, Looker, Adjust, Braze, BigQuery, Firebase, Airflow, dbt, Databricks, AmplitudeYour StoryMust-Haves5–7 years experience in B2C marketing analytics, ideally in high-volume subscription environmentsStrong foundation in attribution, causal inference, incrementality, A/B testing, and experimental designProficiency in SQL and analytics workflows (e.g. dbt, BigQuery)Familiar with tools like GA4, Firebase, Rudderstack, Braze, Adjust, AmplitudeClear experience working with paid social, search, CRM and tracking dataExcellent communication skills: you translate data into business context with clarity and precisionStrategic mindset, curiosity and the confidence to challenge assumptions with evidenceNice-to-HavesExperience with marketing mix modeling (MMM) or other advanced measurement frameworksFamiliar with behavioral scienceExperience with multi-brand or multi-market environmentsClear point of view on creative effectiveness and messaging strategiesOur Benefits - Just for YouSuccess requires positive energy. That's why we ensure the right conditions are in place - physically, mentally, and within the team:30 days of vacation per year2 additional days off: December 24 (Christmas Eve) and December 31 (New Year's Eve) are officially recognized as paid holidays.Hybrid working model (3 days in the office, 2 days working from home)4 weeks of work from abroad per yearA free Urban Sports Club M membership & access to Nilo Health for mental health and personal developmentFree access to our digital wellbeing products (7Mind & Gymondo)Monthly mobility budget of €30 via NavitFamily-friendly benefits: childcare costs & sick days for childrenThe office classics: fruit & vegetable basket, muesli & yogurt (also vegan), drinks & snacksA wide range of opportunities for personal growth and development - including a €1,000 annual training budgetFour-legged colleagues are welcome in our pet-friendly office Come as you areWe welcome what makes you unique.At 7NXT, Gymondo and 7Mind, we believe in diversity, openness and team spirit. No matter which gender you identify with, whether you have a disability, what your neurotype is, where you come from, what you believe in or how you love - you are welcome here.Don't meet all the criteria? No problem. If you would like to shape the future of health & well-being with us, we look forward to receiving your application.Do you need a more accessible application process or do you have questions about the procedure? Write to us and we'll find a way.About usAt 7NXT, we live up to our promise: We empower people to lead a fit and healthy life.Gymondo & BuddyFit (digital fitness), 7Mind (mental health) and 7NXT Brand Solutions (publishing, retail, TV) help millions of people live healthier lives – physically and mentally.We believe in trust rather than rigid structures. We give each other support and freedom to grow, learn from each other and ask questions that help us move forward. For us, working smart means working cleverly rather than endlessly.And we never lose sight of what really matters: the people we do it all for. Their progress is what drives us. For us, responsibility doesn't end at the office door: sustainability, inclusion and diversity aren't buzzwords, they're part of our everyday life.