Design that
converts.

7 years in SaaS with onboarding flows, CRM, KYC, pricing pages, and dashboards. Selected case studies below; full project history on request.

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Dhiego Cristofolini portrait
Based in Brazil, remote-ready

Teams I've helped shape

Selected work

Case studies.

MedMe home healthcare on-demand platform
Product UI/UX

MedMe | Home healthcare platform

On-demand home healthcare with verified identity, scheduling logic, and escrow payment built from scratch.

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Instivo governed data workspace: hierarchy canvas with rule engine
Product UI/UX Design System

Instivo | Data workspace governance

A governed data layer for retail operations: card-linked hierarchies, a constrained rule engine, and a four-layer design system rebuilt from zero.

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Fiter website rebuild: SEO 22 to 100, two buyer journeys
Product UI/UX Design System

Fiter | Full-scope web rebuild

SEO score 22→100 in two weeks. One Joomla template rebuilt into 16 structured pages across two buyer ecosystems.

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Selo H certification platform: 3x more leads in 30 days, LCP 1.4s, rebuilt in one week
Full Rebuild Compliance Landing Page

Selo H | Certification platform rebuild

3x more leads in 30 days. Bounce rate -40%. LCP 1.4s. A one-week rebuild making a real certification look as credible as it is.

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Selected roles and engagements

Studio, consulting,
and in-house work.

Vellumwire is an active studio. Consulting and in-house work runs alongside it.

10+ projects across hospitality, healthcare, and retail
Why I got into this →
Feb 2018 - Present

Senior Product Designer

StudioVellumwire · Remote

  • Senior Product Designer leading SaaS and hospitality work across onboarding, pricing, checkout, and design systems for international clients.
  • Rebuilt the Selo H certification platform in one week, tripling lead volume within 30 days and cutting bounce rate by 40%.
  • Built and documented Figma-based design systems with tokens and component-ready assets for engineering handoff.
Jan 2025 - Aug 2025

Senior Product Designer

In-houseMedMe Saude · Remote

  • Built product design for an on-demand home healthcare platform from scratch: scheduling logic, identity verification, escrow payment, and a three-sided accountability system.
  • Projected 35% improvement in checkout conversion through form reduction from 20+ to 12-14 fields with progressive disclosure, based on Baymard benchmarks.
  • Designed a responsive design system for clinical dashboards and medical workflows across web and mobile.
Jun 2023 - Jan 2024

Product Designer

In-houseInstivo · Remote

  • Designed retail software and internal business tools for a large-scale retail operation.
  • Standardized interaction patterns and scaled the company design system working directly with engineering teams.
Jul 2022 - Jun 2023

Product Designer

In-houseNineblocks · Remote

  • Designed conversion-focused landing pages and product screens for web and mobile fan token and NFT platforms.
  • Created 2D illustration and iconography for product identity and marketing.
Mar 2022 - Jun 2022

UI/UX Designer

In-houseVega I.T. · Remote

  • Designed interfaces for hospitality tech: booking portals and internal management tools.
  • Delivered UI layouts, interaction states, and responsive web apps.
Oct 2019 - Feb 2022

UX/UI Designer

In-houseEnsight · On-site

  • Designed SaaS platforms and digital products for B2B clients in agile sprints.
  • Delivered UI components and specs for the Meaple ecosystem, including QuaQ and Facto.

What I Do

Research, systems, interfaces, identity.

Strategy, UI, systems, brand, illustration, and motion, handled by one person from research through dev handoff.

01: Research & Strategy

The brief before the wireframe.

02: Interface Design

Designed for engineering handoff.

03: Design Systems

Consistent across every screen it touches.

04: Brand Identity

Name, mark, guidelines, system.

05: Illustration

A visual language built for the product.

06: Motion

Motion that clarifies what changed.

Let's talk

Got a project?
Let's make it work.