Product Design Lead · São Paulo → Globally

I design products
that move the needle.

8+ years turning complex fintech and B2B systems into experiences that drive measurable conversion, activation, and retention.

View case studiesAbout me
Design at scale — leading a discovery session with the team

Design at scale

Where strategymeets the craft.

The work

Complex systems.Clear experiences.

I lead design for fintech, travel, and growth products — turning architectural decisions into outcomes that ship and scale.

0+

Years in digital design

0+

Years in product design

0+

Years in global teams

0+

Countries served

Selected work · 01 — CVC Corp · Flight Booking

Brazil's largest travel company. 30M customers. A flight booking app stuck at 2 stars — rebuilt from the architecture up.

Featured Case Study

From 2 stars to
4.6 on stores.

Featured Case Study

CVC — Flights Redesign

CVC flight booking flow
CVC flight booking flow
CVC flight booking flow
2.0 → 4.6★
App Store Rating
+212%
Checkout Conversion
+23%
Hotel Cross-sell
See full case study →

Selected work

Case studies.

Growth · FintechRappi
25M+
Users · 9 countries

Restaurants Onboarding

Merchant onboarding and fintech product design for one of LATAM's largest super-apps.

OnboardingFintechLATAM
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Design SystemsRappi · CVC
0 → 1
Systems bootstrapped

Creating Design Systems

Bootstrapping a system from nothing at Rappi, and building CVC's native mobile layer.

ComponentsMobile DSGovernance
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Design LeadershipThoughtworks
8w → 3w
Delivery cycle

Implementing Process

Rebuilt a fractured design practice at a LATAM bank — process, roadmap, ceremonies, AI.

LeadershipProcessNDA
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0 → 1 · ProductMapleTrack
0 → 1
Greenfield · web + app

Your GPS to Canada

A self-initiated 0→1 product — designed and built solo — guiding a couple through every step of Canadian immigration.

0→1 ProductWeb + MobileFounder
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Rafael designing

The process

Strategy. Research.Pixels that ship.

Every decision tied to an outcome. Every screen tested before it shipped. Every team aligned on the same north star.

Rafael Guimarães

Rafael Guimarães

Product Design Lead · São Paulo, Brazil

Currently

Lead @ Thoughtworks

About

Brazilian designer.Working globally.

Currently Product Design Lead at Thoughtworks Brasil, designing URPI PRO — a B2B credit origination platform for MiBanco.

Previously at Rappi (fintech/growth) and CVC Corp (travel). I love snowboarding, road trips, and building things that matter.

14
Years in design
12
Countries served
30M+
Users impacted
8
Years cross-cultural
Full story →

Open to opportunities

Let's build somethingworth shipping.

Open to Product Design Lead roles in fintech and B2B. Pursuing opportunities in Canada.

Get in touchSee my work