<h2>Hi, we’re Back Market.</h2>We’re here to help make tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new.Yep, you read that right. Turns out refurbished tech is way better for the planet than new. In fact, With every device purchased on Back Market, our positive impact on the planet grows. From our Customer Care representatives to our software engineer, every individual at Back Market cuts the planet — and consumers — a break. Our mission is simple: to do more with what we already have.Are you ready to join us?<h1>Role Overview</h1>As a Senior Marketing Data Analyst – Performance Marketing at Back Market, you will play a critical role in measuring and optimizing the incremental impact of our digital marketing investments. You will design and implement advanced incrementality measurement frameworks across performance marketing channels, including Paid Search, Shopping, PMAX, SEO, App campaigns, Meta, TikTok, Affiliates and Podcast. Leveraging causal inference techniques such as conversion lift studies, geo experiments, and synthetic control, you’ll provide data-driven insights that directly inform budget allocation, campaign strategy, and growth decisions.The ideal candidate is both analytical and strategic — able to deliver quick, actionable insights while also building robust, scalable measurement systems that elevate performance marketing efficiency across the organization.<h1>Key Responsibilities</h1><h2>Performance Marketing Impact Measurement</h2><ul style=""><li>Design and execute incrementality measurement approaches (e.g., geo experiments, conversion lift studies, holdouts) to evaluate the true impact of digital marketing channels such as Paid Search, Shopping, PMAX, App campaigns, Youtube, Meta, TikTok, Affiliates and Podcast.</li><li>Build models to quantify incremental return on ad spend (iROAS), channel lift size and measure cross-channel interactions.</li><li>Develop frameworks to continuously monitor and optimize campaign performance based on causal impact rather than last-click attribution.</li><li>Collaborate with channel managers to translate insights into bidding strategies, budget reallocations, and creative optimizations. </li></ul><h2>Causal Inference &amp; Advanced Analytics</h2><ul style=""><li>Apply state-of-the-art causal inference methods (e.g., synthetic control, uplift modeling, difference-in-differences) to assess the impact of paid media strategies.</li><li>Create scalable and automated measurement pipelines in partnership with data engineering teams.</li><li>Contribute to the development of media mix modeling (MMM) frameworks to complement incrementality experiments. </li></ul><h2>Predictive Modeling &amp; Optimization</h2><ul style=""><li>Build predictive models for audience segmentation, conversion propensity, lifetime value (LTV), and bidding optimization.</li><li>Use time-series modeling and forecasting to predict performance trends and seasonality effects.</li><li>Ensure statistical rigor through robust model validation, assumption testing, and experimentation best practices. </li></ul><h2>Cross-Functional Collaboration &amp; Communication</h2><ul style=""><li>Partner closely with performance marketing, finance, data engineering, and product analytics teams to build the experimentation calendar, align on measurement methodologies and KPIs.</li><li>Present complex analytical findings and experiment results to both technical and non-technical audiences, influencing marketing strategy and budget decisions.</li><li>Champion a culture of incrementality testing and data-driven decision making within the marketing organization (knowledge sharing, peer review) </li></ul><h1>Requirements &amp; Skills</h1><ul style=""><li>4+ years of experience in marketing analytics, data science, or experimentation roles, preferably within performance marketing teams.</li><li>Proven expertise in incrementality measurement techniques, including geo experiments, conversion lift studies, synthetic control, or uplift modeling.</li><li>Strong proficiency in SQL and Python, including libraries for statistical modeling (e.g., causal inference packages like Meta GeoLift, Causal Impact etc.)</li><li>Hands-on experience analyzing performance marketing channels such as Paid Search, Shopping, PMAX, SEO, App campaigns, Youtube, Meta, TikTok, Affiliates and Podcast.</li><li>Familiarity with A/B testing, media mix modeling, and attribution modeling frameworks.</li><li>Experience working with large-scale marketing datasets, visualization tools (e.g., Tableau, Looker), and cloud-based data platforms (e.g., Big Query and Google Cloud Platform).</li><li>Excellent communication skills and a proven track record of:<ul style=""><li>Translating complex data insights into business impact.</li><li>Educating non-experts about benefits of experimentation, being the go-to person about marketing tests, spread the “test &amp; learn” approach in the organization</li></ul></li><li>Strong analytical rigor and judgment, including:<ul style=""><li>Critical thinking and problem-solving skills.</li><li>Rigorous statistical capabilities and logical reasoning.</li><li>Experience with both qualitative and quantitative data analysis.</li><li>Ability to build simple yet effective data environments to enable analyses.</li><li>Demonstrated ability to separate signal from noise in complex datasets.</li><li>Comfort working with imperfect or sparse data without being paralyzed by uncertainty.</li><li>A sharp instinct for identifying flawed assumptions and biases in datasets and analyses.</li></ul></li></ul>

Back Market has created a marketplace to connect companies that restore used gadgets with consumers through a one-stop shopping experience, complete with warranties and customer service. While the company has seen meteoric growth, particularly since its expansion in the U.S., overall sales of used gadgets remain small compared to those of brand-new devices.

 Senior Marketing Data Analyst

<h2>Hi, we’re Back Market.</h2>We’re here to help make tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new.Yep, you read that right. Turns out refurbished tech is way better for the planet than new. In fact, With every device purchased on Back Market, our positive impact on the planet grows. From our Customer Care representatives to our software engineer, every individual at Back Market cuts the planet — and consumers — a break. Our mission is simple: to do more with what we already have.Are you ready to join us?<h1>Role Overview</h1>As a Senior Marketing Data Analyst – Performance Marketing at Back Market, you will play a critical role in measuring and optimizing the incremental impact of our digital marketing investments. You will design and implement advanced incrementality measurement frameworks across performance marketing channels, including Paid Search, Shopping, PMAX, SEO, App campaigns, Meta, TikTok, Affiliates and Podcast. Leveraging causal inference techniques such as conversion lift studies, geo experiments, and synthetic control, you’ll provide data-driven insights that directly inform budget allocation, campaign strategy, and growth decisions.The ideal candidate is both analytical and strategic — able to deliver quick, actionable insights while also building robust, scalable measurement systems that elevate performance marketing efficiency across the organization.<h1>Key Responsibilities</h1><h2>Performance Marketing Impact Measurement</h2><ul><li>Design and execute incrementality measurement approaches (e.g., geo experiments, conversion lift studies, holdouts) to evaluate the true impact of digital marketing channels such as Paid Search, Shopping, PMAX, App campaigns, Youtube, Meta, TikTok, Affiliates and Podcast.</li><li>Build models to quantify incremental return on ad spend (iROAS), channel lift size and measure cross-channel interactions.</li><li>Develop frameworks to continuously monitor and optimize campaign performance based on causal impact rather than last-click attribution.</li><li>Collaborate with channel managers to translate insights into bidding strategies, budget reallocations, and creative optimizations. </li></ul><h2>Causal Inference &amp; Advanced Analytics</h2><ul><li>Apply state-of-the-art causal inference methods (e.g., synthetic control, uplift modeling, difference-in-differences) to assess the impact of paid media strategies.</li><li>Create scalable and automated measurement pipelines in partnership with data engineering teams.</li><li>Contribute to the development of media mix modeling (MMM) frameworks to complement incrementality experiments. </li></ul><h2>Predictive Modeling &amp; Optimization</h2><ul><li>Build predictive models for audience segmentation, conversion propensity, lifetime value (LTV), and bidding optimization.</li><li>Use time-series modeling and forecasting to predict performance trends and seasonality effects.</li><li>Ensure statistical rigor through robust model validation, assumption testing, and experimentation best practices. </li></ul><h2>Cross-Functional Collaboration &amp; Communication</h2><ul><li>Partner closely with performance marketing, finance, data engineering, and product analytics teams to build the experimentation calendar, align on measurement methodologies and KPIs.</li><li>Present complex analytical findings and experiment results to both technical and non-technical audiences, influencing marketing strategy and budget decisions.</li><li>Champion a culture of incrementality testing and data-driven decision making within the marketing organization (knowledge sharing, peer review) </li></ul><h1>Requirements &amp; Skills</h1><ul><li>4+ years of experience in marketing analytics, data science, or experimentation roles, preferably within performance marketing teams.</li><li>Proven expertise in incrementality measurement techniques, including geo experiments, conversion lift studies, synthetic control, or uplift modeling.</li><li>Strong proficiency in SQL and Python, including libraries for statistical modeling (e.g., causal inference packages like Meta GeoLift, Causal Impact etc.)</li><li>Hands-on experience analyzing performance marketing channels such as Paid Search, Shopping, PMAX, SEO, App campaigns, Youtube, Meta, TikTok, Affiliates and Podcast.</li><li>Familiarity with A/B testing, media mix modeling, and attribution modeling frameworks.</li><li>Experience working with large-scale marketing datasets, visualization tools (e.g., Tableau, Looker), and cloud-based data platforms (e.g., Big Query and Google Cloud Platform).</li><li>Excellent communication skills and a proven track record of:<ul><li>Translating complex data insights into business impact.</li><li>Educating non-experts about benefits of experimentation, being the go-to person about marketing tests, spread the “test &amp; learn” approach in the organization</li></ul></li><li>Strong analytical rigor and judgment, including:<ul><li>Critical thinking and problem-solving skills.</li><li>Rigorous statistical capabilities and logical reasoning.</li><li>Experience with both qualitative and quantitative data analysis.</li><li>Ability to build simple yet effective data environments to enable analyses.</li><li>Demonstrated ability to separate signal from noise in complex datasets.</li><li>Comfort working with imperfect or sparse data without being paralyzed by uncertainty.</li><li>A sharp instinct for identifying flawed assumptions and biases in datasets and analyses.</li></ul></li></ul>

Senior Marketing Data Analyst

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BackMarket

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