
Johanna Magdalena
Senior Conversion Optimization Engineer | Adobe Target
Salary / Daily rate
Munich, Germany
Freelance
Can come onsite
Skills
Languages
About me
Intro
Conversion engineering specialist with 5+ years driving growth through A/B testing and personalization across Adobe Target, Kameleoon, and Optimizely. Delivered 250+ experiments at Adobe and led CRO strategy for major e-commerce brands across multiple markets. Expert in martech architecture, analytics implementation, and AI-powered experimentation to maximize your conversion rates and revenue.
Work experience
Freelance - Conversion, Experimentation and Personalization Developer
Johanna Magdalena
Dec 2019 - Present
6 years 11 months
Up Reply
Oct 2024 - Dec 2025
1 year 3 months
Senior Technical Personalization and Analytics Consultant
Jul 2025 - Dec 2025
6 months
Technical expert for Adobe Target, Adobe Analytics and Adobe Launch Consult and built architectures for the martech tools you work with and help our customers with technical onboardings Build compelling personalized experiences with Adobe Target Technical consulting and development for our analytics customers Help our customers to adopt the usage of AI and development automation Consult our customers to be successful with new Adobe Products like Customer Journey Analytics and Journey Optimizer
Developer - Adobe Analytics, Adobe Launch, Adobe Target
Oct 2024 - Jul 2025
10 months
CRO Lead
Native InstrumentsFreelance
Sep 2025 - Dec 2025
4 months
Frontend Developer & UI/UX Designer
Lucoyo Health GmbH
May 2023 - Jul 2025
2 years 3 months
Development and Maintenance: - Design and implementation of responsive front-end components, including integration of backend services. - Identification of bugs, conducting bug fixes, and optimizing application performance. - Creation and maintenance of unit and E2E tests. - Adherence to web standards and best practices. - Refactoring of existing code base to improve code quality and maintainability. Design and UI/UX: - Design of modern and user-friendly UI/UX elements, including wireframes/mockups or prototypes. - Conducting user research and gathering user feedback for continuous improvement of the user experience.
Scrum Master & Frontend Developer
SAPFreelance
Jul 2024 - Oct 2024
4 months
Scrum Master for 8 people Developing Uberbot (Built-In Support ChatBot)
A/B Testing Consultant - Adobe Target (Temp)
sonnen GmbHFreelance
Feb 2024 - Jul 2024
6 months
- Guide to Evaluating the Feasibility of Test Ideas - Consulting on setting up activities in Adobe Target - Support in interpreting data/reports in Adobe Target and Adobe Analytics - Troubleshooting and debugging
Design Technologist (Temp)
AmazonFreelance
Nov 2023 - Mar 2024
5 months
- Owning the end-to-end development process and deliverables from a design and technical perspective - Work closely with business teams to develop campaign strategy, use cases, and technical requirements. - Presenting work to peers, product teams and executive leadership - Develop high quality scalable and maintainable solutions. - Collaborate with creative teams to prototype and validate concepts for client pitches
Data Visualization - UI/UX - Power BI
VECTORIALFreelance
May 2023 - Mar 2024
11 months
UI/UX Designer & Frontend Developer (Temp)
CHIP
Mar 2023 - Jul 2023
5 months
- Creation of prototypes in Figma, which are adjusted or discarded based on user tests - Design creation for new applications according to modern standards and CI-style guide specifications, with a focus on mobile - Development of prototypes using HTML, CSS, JavaScript - User-centric support and assistance in concept development - Design workshops, creation of hypotheses and content - User research, conducting and evaluating user interviews - Working with A/B testing tools - Prompt engineering for integrating ChatGPT into prototypes
Manager Chapter Conversion Rate Optimization
Fashion ID GmbH & Co. KG
Nov 2022 - Mar 2023
5 months
- Markets: Germany, Poland, Netherlands, Austria - Tools: Google Analytics, Google Tag Manager, Mouseflow, Kameleoon, Figma, Jira, Confluence - Initiation of hypothesis-driven A/B tests, quantitative analyses, and further development of testing methods - Planning and execution of data-driven optimization of the Customer Journey - Comprehensive CR (Conversion Rate) reporting for dedicated areas of responsibility, as well as CR monitoring following the implementation of test variants and reporting of segments such as marketing channel, customer type, or product categories - Support for other departments in CRO (Conversion Rate Optimization) improvement (e.g., Online Marketing, Purchasing, Content Management) and integration of findings - UX & Content Audits, creation of wireframes in Figma, gender research - Close collaboration with other CRO managers, Product Owners, UX/UI Designers, and Business Stakeholders in setting up, prioritizing, and implementing the CRO strategy, as well as supporting Product Owners in the continuous improvement of their products and the UX/UI team in enhancing the User Journey - Active design and implementation of the internal CRO roadmap and responsibility for the implementation of measures in a specific area of the CRO - Design and optimization of customer acquisition processes, such as landing pages for acquisition channels and their content
Web Optimization and Personalization Experience Developer
Adobe
Mar 2021 - Oct 2022
1 year 8 months
- Tools: Adobe Target, Adobe Analytics, usertesting.com, GitHub, Adobe XD, Jira, Confluence - Scrum Master - Team: Reader Growth Squad EMEA -Collaboration with data management and data science teams to support analysis and measurements for custom website experiences - Development of new testing ideas (Content & UX Design), test management in Jira - Creation of hypotheses, roadmap planning and adjustment, coordination with the release team - Writing, translating, proofreading of content - Development of the Country Similarity Index, visualization using d3.js - Development (HTML, CSS, JavaScript) of around 250 A/B tests - Creation of User Journey Reviews - Web development (HTML/CSS/JavaScript, internal JS library) - Adherence to design, production, and engineering guidelines - Creation and management of A/B tests and personalization activities - Ensuring timely execution of tests - Quality Assurance
Experience Designer & Web Development
green flames GmbH
May 2020 - Jul 2020
3 months
Munich, Germany
- Web design using Adobe XD and development with Webflow/Wordpress - Development of marketing concepts, internal marketing - Development and leading of client workshops and scoping sessions - Social Media Marketing, designing social media posts - Video editing, audio adjustments with Adobe Premiere Pro - Video concepts and cost estimation for production - Creation and management of concept presentations - Writing and proofreading text
Project Manager Online Marketing & Web Design/Development
Breitenfellner Kommunikation
Jun 2019 - Mar 2020
10 months
- Web design and development for 38 mayoral, city council, and municipal council candidates for the 2020 local elections - SEO for 38 mayoral, city council, and municipal council candidates for the 2020 local election - Writing content for candidate profiles - Designing a magazine in InDesign, editorial work (content & photos) for the magazine, updating the website for the magazine - Planning "Music Night 2019", event management, assisting in the opening of a restaurant
Tax Clerk / Accountant
Steuerkanzlei
Nov 2015 - Jul 2019
3 years 9 months
Metropolregion München
Education
Software Quality Lab
ISTQB® Certified Tester - Foundation Level
2023 - Present
3 years 3 months
Behavioral Design Academy
Behavioral Design [DBC, EDP and ABD]
2025 - Present
1 year 8 months
avant akademie
Kognitive Verhaltenstherapie - Cognitive behavioral therapy
2025 - Present
1 year 3 months
IU International University of Applied Sciences
Software Developer DATA SCIENCE and BIG DATA
2024 - 2025
1 year 2 months
Berufsschule München
Berufsabschluss, Steuerfachangestellte
2015 - 2018
3 years 1 month
Simplytest
Cypress Testing
Licenses & certifications
Advanced Website Conversion Rate Optimization
Issued: –
Professional Scrum Master
Issued: –