Resume

Melissa Moreira

Senior Product Designer based in Porto
Email | Linkedin

Summary

Over 15+ years, I’ve helped SaaS teams in fintech, healthtech, and e-commerce turn complex workflows into experiences that are clear and intuitive. I enjoy tackling design puzzles, asking the right questions, and collaborating across teams to uncover elegant solutions and turn ideas into prototypes that work in the real world. At the end of the day, I care about creating experiences that feel intuitive for users and meaningful for the teams behind them.

Career Highlights

  • Redesigned Finoa’s web app and key workflows, conducting research and usability testing to optimize staking flows, growing the user base 133% (300 to 700), tripling frequent users (30 to 90), boosting NPS from 78 to 99, and increasing staked assets under custody from 50 to 85%, reinforcing brand trust.

  • Designed core telemedicine tools (AI Symptom Checker, Remote Vital Signs Reader, and Nurses Triage Platform) improving patient guidance, clinical support, and adoption for 1.2M+ users.

  • Built a scalable, modular design system for Jumia, ensuring consistency across multiple African marketplaces, supporting 6.8M annual active users, and enabling international scaling while respecting local market needs.

Core skills

  • Product Strategy & Research: User research, usability testing, outcome-driven design, complex workflow optimization.

  • Design Systems & Operations: Component libraries, design tokens, documentation, cross-team scalability.

  • End-to-End Product Design: User flows, wireframing, interaction design, prototyping, visual design.

  • Collaboration and Communication: Stakeholder alignment, eng/PM partnership, design rationale, feedback loops.

Tools

Figma | Adobe | Miro | Notion | Confluence/Jira | GitLab | Maze | Webflow | Squarespace

Professional Experience

FINOA | Berlin (Remote), Feb 2022 – Jul 2025

Senior Product Designer

  • Reimagined Finoa’s web app workflows, including scalable navigation, quick actions, step-by-step staking and transfer flows, and contextual guidance, growing the user base 133% (300 to 700) and tripling frequent users (30 to 90) through research-driven design and iterative prototyping.

  • Conducted user research and usability testing to optimize staking workflows, increasing staked assets under custody from 50% to 85% and strengthening platform trust.

  • Collaborated with engineering, product, compliance, and security teams to align requirements, streamline operations, and deliver a seamless cross-platform experience.

KNOK | Porto (Remote), Dec 2020 – Feb 2022

Product Designer

  • AI-Powered Symptom Checker: Designed a conversational, AI-driven symptom assessment tool that accurately guides patients to the right care pathway, reducing ER visits and streamlining pre-consultation data for providers.

  • Remote Vital Signs Reader: Developed an intuitive interface for remote vital signs monitoring, ensuring clinical-grade accuracy while minimizing cognitive load for patients and clinicians.

  • Nurses Triage Platform: Created a structured triage workflow enabling nurses to prioritize patients effectively, improving care delivery, operational efficiency, and platform adoption to over 1.2 million users.

JUMIA | Porto, Mar 2018 – Dec 2020

Product Designer

  • Revamped Africa’s largest e-commerce platform with a complete redesign, delivering a mobile-first Progressive Web App, streamlined navigation and checkout flows, and a modular layout adaptable to regional campaigns.

  • Built the Jumia design system to ensure scalable, consistent, and locally relevant UI components, balancing global best practices with market-specific needs.

  • Conducted user research and competitive analysis to streamline shopping experiences on low-end devices and slow networks, reducing friction and improving conversion and trust.

  • Collaborated with product managers and engineers to enhance product pages, checkout, and browsing flows, driving annual active user growth from 2.7M to 6.8M and contributing to revenue and GMV growth.

7EGEND | Porto, Oct 2010 – Mar 2018

Graphic and Product Designer

  • Designed responsive Web, Mobile, and IoT interfaces for high-profile clients such as McDonald’s, Levi’s, and brands in Hospitality, Retail, and Entertainment, building early expertise in cross-platform consistency and scalable design systems.

  • Developed wireframes, flows, and interactive prototypes informed by user insights, and contributed to branding and multimedia projects, enhancing client engagement and digital presence.

Education

Fine Arts University – Porto | 2001 – 2006
Bachelor’s Degree in Communication Design

Moholy-Nagy University – Budapest | 2005
Erasmus Program

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