NestEgg
Loan search and eligibility
Research showed that trust, not eligibility, was driving borrower drop-off. The findings changed the product and roadmap.
Borrower drop-off fell from 60% to 50%
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RosinaProduct Designer that moves the metrics that matter
Rosina Pissaco
16 years across fintech, SaaS, and enterprise platforms, from onboarding conversion to retention systems that scale.
I design end to end, from research and product strategy to interaction design, prototyping, and delivery.
The gap
AI can build a product. People still need to know how to use it.
AI tools let founders and CTOs launch quickly, often without a product designer. But a working product can still confuse people, lose them during onboarding or fall short in a demo. I help teams understand where the experience breaks down and what to improve.
How I help
A product UX audit built on research.
Understand the problem
Review the journey, available research and product data to separate evidence from assumptions.
Decide what matters
Identify the issues that need attention and agree what to tackle first.
Design the next step
Develop the agreed changes into flows, screens and prototypes, with validation scoped to the project.
Selected work
Global App Testing
Test management and automation
I redesigned test management around everyday coordination tasks, keeping Test Managers in control of automation.
8 hours saved per Test Manager each week
Spoked
AI cycling coach
I designed a training-plan builder that supported beginners while retaining the controls experienced cyclists needed.
+22% new-user retention after launch
LottoSocial
Group lottery play
I redesigned group lottery play to make progress, winnings and fees easier to understand.
+30% retention
Songclip
Music discovery and sharing
I redesigned how people find, preview and share music clips alongside images and video.
21% less time to find and share in usability testing