Senior Marketing Experimentation Analyst

Kleinanzeigen is the leading online classifieds market in Germany. An average of more than 50 million ads are available in numerous categories - from children's supplies to electronics to real estate. With more than 36 million users per month, Kleinanzeigen has the widest reach of all online selling platforms in the country. Most of the items traded on Kleinanzeigen are second-hand. In this way, users make an active contribution to sustainability. The Kleinanzeigen market allows companies the opportunity to easily offer their services online. Kleinanzeigen was launched in September 2009 as eBay Kleinanzeigen. Since June 2021, the company has been part of Adevinta, a leading global provider of online classified ads. In May 2023, the name was changed to Kleinanzeigen.

Kleinanzeigen is part of Adevinta: a global online classifieds specialist and sustainability leader with 25+ products in 10 countries.

What you'll do ​& Who you are Are you passionate about data-driven decision-making and eager to shape how marketing effectiveness is measured at scale? As a Senior Marketing Experimentation Analyst, you will lead the evolution of our incrementality testing and advanced measurement frameworks. Partnering with Marketing, Finance, Product, and other stakeholders across digital and brand campaigns, you'll translate complex analyses into actionable insights that shape campaign planning, budget allocation, and data-driven growth.
This is a hybrid role, our office is in Berlin-Charlottenburg. You report to the Head of Marketing Analytics. What You'll Do:

• Lead the design and rollout of incrementality testing frameworks, working with internal and external partners to define optimal channel-specific approaches.
• Execute and interpret lift studies, delivering clear insights on incremental ROI and channel effectiveness.
• Challenge and enhance our Marketing Mix Modeling (MMM), validating outputs through targeted testing.
• Analyze paid media, CRM, performance marketing, and brand campaigns to identify where spend drives the most incremental value.
• Translate data into strategic, actionable insights that influence campaign design, media mix, and budget decisions.
• Serve as the go-to expert on marketing effectiveness, aligning teams on frameworks, findings, and impact.

Who You Are:

• You have strong experience in marketing analytics across digital and brand marketing.
• You're an expert in incrementality testing, lift studies, and ROI analysis, with a solid foundation in statistics and measurement methods (e.g. econometrics, attribution, experiment design).
• You're fluent in SQL and at least one analytical/statistical language like Python.
• You translate complex results into clear, strategic insights for marketers and senior stakeholders.
• You combine business acumen with strong communication and stakeholder management skills.

Benefits

Life at Adevinta comes with its perks Our Adevintans enjoy the following benefits:

• An attractive Base Salary

• Participation in our Short Term Incentive plan (annual bonus)

• Work From Anywhere : Enjoy up to 20 days a year of working from anywhere Maybe not from the moonwell why not just make sure you have internet connection

• A 24/7 Employee Assistance Program for you and your family, because we care

• Win together, lose together is one of our key behaviours. At Adevinta you will find a collaborative environment with an opportunity to explore your potential and grow

On top of these, we also provide a range of locally relevant benefits . Wanna know more? Apply and ask our recruiters

Adevinta is an equal opportunity employer and we value diversity. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status.
If you feel like you don't meet all of the requirements for this role but are interested, please consider applying anyway. Research suggests that women and individuals from underrepresented groups may self-select out of opportunities if they don't meet 100% of the job requirements. We strongly encourage people from historically excluded groups to apply and look forward to speaking with you.