Product design, front end, copy and SEO

I take products from messy problem to shipped interface.

Kahuê Morais

10+ years of product design across fintech, e-commerce, telecom and SaaS.

18% drop in the number of appliance returns right after the change by requiring voltage choice before checkout

Based in Brazil, remote with teams in Europe and the United States, with work delivered across Latin America, Thailand and Vietnam.

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16 certificates and coursesAll certifications and courses

Selected work

Vexor, own product, product design and front endVexor2026AI assistant on WhatsApp · own product, product design and front endOwn product: AI assistants on WhatsApp for small and medium businesses, with the assistant on the client's own number.Live at vexor.app, with the site, the copy, the SEO and the GEO, the installation at client sites, the assistant customization and the AI cost at cents per conversation.Zero First, product designZero First2026Value First Consulting · media and audience data · product designAudience data platform for media companies, designed for the Latvian market, for the client Dataware.Shipped from scratch: every screen of the platform designed, from sign-in to audience creation and insights.PicPay, product designPicPay2025Invillia · fintech and payments · product designHomepage redesign, account creation flows and edge case design for a Brazilian payments app.Account creation and homepage flows shipped after A/B validation.C6 Bank, product designC6 Bank2022Invillia · digital bank · product designDesktop app redesign, from journey mapping to validated prototypes.Redesign tested with users before development.BTG, product designBTG2021Try Consultoria · investment bank · product designBusiness pages and conversion flows for a Brazilian investment bank.Increased credit card adoption by 22% in the three months after launch, measured by the client's data team.Tamires Brito, site build, copy, SEO and GEO, and strategyTamires Brito2026influencer and UGC content for brands · site build, copy, SEO and GEO, and strategyInfluencer and UGC content agency for consumer brands, with more than 100 brands served and PepsiCo, Disney+, Mercado Livre and Dove on the list.Live at tamiresbrito.com, with the site, the copy, the SEO and the GEO, and the strategy of the agency.Le Biscuit, product designLe Biscuit2021Le Biscuit S/A · e-commerce and retail · product designHeadless e-commerce architecture on VTEX IO and a component based design system.Design system and CMS schemas aligned, with the publishing workflow mapped through stakeholder interviews.bel app, visual identitybel app2021beauty and self-care · visual identityBrand identity and visual system for a beauty and self-care app.Designed the logo and its lockup variants for different surfaces and backgrounds.

All work

What I do

Summary

Senior Product Designer with 10+ years across fintech, e-commerce, telecom and SaaS. I combine research, design systems and front-end implementation to move operational numbers, including an 18% drop in the number of appliance returns right after the change. Bilingual in English and Portuguese, with certificates and courses in AI from Google and Anthropic.

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