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Where code meets
Data and conversion

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hello@johannamagdalena.com

CRO | PERSONALIZATION DEVELOPER

People-first conversions. Data-powered decisions. I bridge the gap between code and customer by building experiences that convert - tested, proven, and refined through data.

Years of experience

100+

Hypotheses Validated

250+

A/B Tests

Data uncovers where opportunities are hiding.

Through deep analysis of user behavior, site analytics, and conversion flows, friction points and potential gains become clear.No guessing. Just insight.

Experiments validate what drives real results.

Targeted A/B tests and personalization strategies are designed to confirm what works—moving ideas from assumption to proven outcomes.Precise, measurable, and conversion-focused.

Winning solutions are implemented and scaled for growth.

Successful variations go live, and the process repeats. Continuous optimization turns insights into lasting impact.Sustainable growth, not one-time wins.

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companies i worked with

The design prowess of Sandbox is truly remarkable. Their ability to translate abstract concepts into visually stunning representations is nothing short of exceptional

Alex Johnson

CTO at TechInnovate

They are a creative force to reckon with. Their innovative ideas and exceptional design sense set them apart in the industry

Michael Lee

Customer Experience Lead

Their comprehensive understanding of our brand's essence and target market helped us define and refine our identity.

John Thompson

IT Director at SecureNet Solutions

Their ability to translate abstract concepts into visually stunning representations is nothing short of exceptional

James Wilson

Operations Manager

Where code meets
Data and conversion

People-first conversions. Data-powered decisions. I bridge the gap between code and customer by building experiences that convert - tested, proven, and refined through data.

Data uncovers where opportunities are hiding.

Experiments validate what drives real results.

Winning solutions are implemented and scaled for growth.

Showcasing creative and impactful solutions

Impact

Where code meetsData and conversion

People-first conversions. Data-powered decisions. I bridge the gap between code and customer by building experiences that convert - tested, proven, and refined through data.

Data uncovers where opportunities are hiding.

Experiments validate what drives real results.

Winning solutions are implemented and scaled for growth.

Showcasing creative and impactful solutions

Impact

Where code meets
Data and conversion