Tessa Mäder-Product Owner & User Researcher
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Experience
Product Owner & User Researcher
Freelance
- As a freelancer I am helping companies to reach their business goals by creating seamless user experiences based on insights and data.
Product Owner & User Researcher
Pink Internet GmbH
Femtasy is an audio streaming platform for female-centric audio erotica focusing on the German & French market.
In my split role between user research and product owner, I find the sweet spot between user satisfaction & business opportunities.
I work closely with our hybrid design, content & marketing teams to bring user insights into action and manage the roadmap for our remote, in-house development team.
Increased the share of annual subscribers from 70% to +85%.
Reduced customer support requests for cancellations by 30%.
Setup and management of our research knowledge base.
Increased the conversion rate of our main LP by 28%.
Increased the number of full plays per user by 50%.
Collaborated with the marketing team to deliver our best-converting campaigns by integrating them into the product flow.
Product Experience Manager
Mermaid Studios GmbH
Planned, executed and controlled projects ranging from user research to product development.
Prepared user stories and backlog.
Coordinated the work of 5 designers and third party product development and aligned stakeholders in customer workshops.
Continuously optimized internal processes and the evolution of team culture.
ERGO Digital Ventures – Onboarding Concept (2021): Planned and conducted multiple usability and content tests for a virtual reality learning experience for sales representatives. Result: Definition of key improvement areas for the content and conception of a user-friendly onboarding experience.
Charité – Product Concept (2021): Conceptualized, planned and conducted usability tests with adolescents for a tool that helps to diagnose computer gaming and internet addiction. Evaluated and presented results to clients to ensure the continuous usage of the product. Result: Usability improvements and roadmap adaptations.
Mobil Krankenkasse – Website Redesign (2020): Prepared and executed multiple research studies including card sorting and design preference tests, evaluated the prioritization of tasks for the team and organized and moderated customer workshops to optimize the user experience while keeping technical changes to a minimum. Result: Decreased user error rate for the main information flows from 51% to 25% and improved perception of the visual design from 2.8 to 1.9.
SIEMENS AG – Product Concept (2020): Drafted market research questions to create a first product concept for transparent supply chains regarding the PCF. Identified, interviewed and maintained relations with key stakeholders. Prioritized features and coordinated concept. Result: Prototype of main features.
AUDI Denkwerkstatt – Concept Test (2020): Conceptualized a strategy to test the market acceptance as well as the willingness to pay for a new product idea. Set up, monitored and evaluated social media campaigns. Result: Conversion rate for booking the product 9%, conversion rate for newsletter sign up 1.3%.
ADWEKO – Innovation Bootcamp (2018): Conceptualized, coordinated and co-moderated a 5 day design sprint. Result: Developed a new product idea and created a first click dummy.
Marketing & Account Manager
Mermaid Studios GmbH
- Implemented the company's strategy and communication including benchmarking.
- Drafted PR and blog posts.
- Developed video concepts.
- Managed website development.
- Coordinated social media content.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Media and Entertainment, Automotive, Healthcare, Insurance, and Manufacturing.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Product Development, Research and Development, Marketing, and Project Management.
Summary
Experienced product owner and user researcher with a strong focus on bridging user needs and strategic objectives. Combining a user-centric mindset with business knowledge to deliver impactful results.
Skills
- Scrum & Kanban
- Data Analysis
- Qualitative Research
- Quantitative Research
- Project Management
- Communication Skills
- Data Visualisation
- A/B Testing
- Research Operations
- Condens
- Hotjar
- Google Analytics
- Tableau
- Usabilityhub
- Google Optimize
- Excel
- Jira
- Confluence
- Miro
- Figjam
- Figma
Languages
Education
Halmstad University
Exchange Student · Halmstad, Sweden
Hochschule Ludwigshafen a.R.
MA, Int. Marketing Management · Int. Marketing Management · Ludwigshafen, Germany · 1,9
Hochschule Ludwigshafen a.R.
BA, Marketing · Marketing · Ludwigshafen, Germany · 1,8
Certifications & licenses
Product Psychology Masterclass
design.growth
scrum.org
Basics Of Design Testing
openSAP
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Tessa is based in Granadilla de Abona, Germany.
Tessa speaks the following languages: German (Native), English (Advanced), Spanish (Elementary).
Tessa has at least 8 years of experience. During this time, Tessa has worked in at least 3 different roles and for 3 different companies. The average length of individual experience is 2 years. Note that Tessa may not have shared all experience and actually has more experience.
Based on recent experience, Tessa would be well-suited for roles such as: Product Owner & User Researcher, Product Experience Manager, Marketing & Account Manager.
Tessa's most recent position is Product Owner & User Researcher at Freelance.
In recent years, Tessa has worked for Freelance, Pink Internet GmbH, and Mermaid Studios GmbH.
Tessa is most experienced in industries like Information Technology, Automotive, and Healthcare. Tessa also has some experience in Insurance, Manufacturing, and Media and Entertainment.
Tessa is most experienced in business areas like Product Development, Research and Development, and Marketing. Tessa also has some experience in Project Management.
Tessa has recently worked in industries like Information Technology, Automotive, and Healthcare.
Tessa has recently worked in business areas like Product Development, Research and Development, and Project Management.
Tessa holds a Master in Int. Marketing Management from Hochschule Ludwigshafen a.R. and a Bachelor in Marketing from Hochschule Ludwigshafen a.R..
Tessa has 3 certificates. These include: Product Psychology Masterclass, Professional Scrum Master 1, and Basics Of Design Testing.
The availability of Tessa needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 6 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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