Senior Product Manager - User Activation & Growth (d/f/m)

Senior Product Manager For User Activation & Growth At Taxfix

Every year millions of people are either filing their taxes in fear or giving up on their tax refund altogether. We're working on fixing that. Our intuitive app enables anyone, regardless of education or background, to file their taxes with newfound confidence.

Spread across Germany, Spain and the UK, the team at Taxfix Group with its brands Taxfix and Steuerbot, is a compassionate group of solution-finders. We speak our minds openly, and with over 400 professionals, including tax experts, developers, and IT security experts, we're rich in ideas and voices. The group has facilitated more than 3.5 billion euros in tax refunds for its customers since its founding in 2016.

The Opportunity

As a Senior Product Manager for User Activation & Growth at Taxfix, you will redefine how we grow, using AI-augmented experimentation, Behavioral Science, and data-driven decision-making to attract new users and convert them into loyal tax filers. You won't just run tests, you'll use AI to compress the cycle from insight to validated experiment, helping your cross-functional team move at a pace that compounds. Your playground is our German tax filing product: proven product-market fit, a rich data foundation, and real room to innovate on every step of the user journey.

Your Responsibilities And Decisions

• Own the end-to-end user journey: from the first app touchpoint through personalized onboarding, intelligent product steering (self-employed or income tax filers), seamless registration & authentication, activation, and user management

• Develop a deep understanding of user needs, ideal customer profiles, behavior, and friction points in the existing user experience through qualitative research (user interviews, analyzing user flows, etc.), data analytics, and experimentation

• Translate user problems into clear hypotheses on how to grow user adoption and revenue, applying Behavioral Science principles such as nudging, choice architecture, and cognitive bias reduction

• Develop and pre-validate solution options for driving Activation & Growth KPIs using synthetic research

• Define clear Activation & Growth KPIs to guide prioritization and measure impact, then develop and execute a disciplined backlog of experiments leveraging AI to accelerate hypothesis generation, prototyping, and test design optimizing existing growth loops and deploying new ones

• Own planning quality end-to-end: from rigorous impact assessment and prioritization to leveraging AI in the development process to ship predictably and with confidence

• Lead your cross-functional team (Engineering, Design, Data) to run effective experiments, while building strong relationships with Marketing, leadership, and other product teams to create a shared understanding of growth levers, metrics, and learnings

Your Profile

• 5+ years of product management experience in consumer-facing digital products

• Proven track record of driving product-led growth for a high-scale consumer product with measurable growth impact, working with cross-functional teams

• Applied knowledge of Behavioral Science including nudging, choice architecture, and cognitive bias reduction - to influence user behavior and improve activation

• Strong qualitative research skills, including user interviewing and user flow analysis, combined with a data-driven, analytical mindset and deep user empathy to identify high-impact opportunities and drive KPI impact

• Hands-on experience leveraging AI to develop hypotheses, run experiments, create prototypes, and pre-validate solution options

• Experience with high-tempo experimentation and funnel optimization to improve existing and launch new growth loops

• Structured approach to planning and prioritization, with the ability to develop rigorous impact assessments and deliver reliably

• Demonstrated ability to collaborate efficiently with designers, engineers, marketers, and company leaders, creating alignment and driving decisions with an inclusive communication style and the ability to develop well-structured, data-informed narratives

• High ownership mindset you drive problems to resolution without waiting to be directed

• Full professional proficiency in English

Why Taxfix?

• A chance to do meaningful, people-centric work with an international team of passionate professionals.

• Holistic well-being with free mental health coaching sessions and yoga.

• A monthly allowance to spend on an extensive range of services that you can use and roll over as flexibly as you like.

• Employee stock options for all employees—because everyone deserves to benefit from the success they help to create.

• 30 annual vacation days and flexible working hours.

• Work from abroad for up to six weeks every year. Just align with your team, and then enjoy your trip.

• Plenty of opportunities to socialise as a team. In addition to internal tech meetups, our international team hosts regular get-togethers—virtually and in person when possible.

• Free tax declaration filing, of course, through the Taxfix app—and internal support for all personal tax-related questions.

• Have a four-legged friend in your life? We're happy to have dogs join us in the office.

Excited? So are we. Learn more about Team Taxfix on our blog and get a glimpse of our culture.

At Taxfix, we believe that incredible things happen when you have a wealth of perspectives and experiences. We're proudly committed to equal employment and development opportunities no matter your gender, race, religion, age, sexual orientation, colour, disability, or place of origin. To help mitigate any potential unconscious biases, we ask that you refrain from including your picture, age, or marital status on your CV. Let your experiences speak for themselves.

Not sure if you meet all the requirements for this role? Please apply anyway. You might bring something special to the team that we hadn't considered previously.