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Marcus Vinicius Henrique Belli

Product Designer | UX Designer | UI Designer

BRAZIL

Looking for new cities. Currently living in Piracicaba/SP.

Product Designer with a Bachelor's degree in Graphic Design and experience designing, evolving, and standardizing digital products. Experienced across the entire product design lifecycle, from discovery to delivery, conducting user research, defining solutions, prototyping, documenting requirements, and collaborating with product, engineering, and business teams. Skilled in establishing design processes, component libraries, UI guidelines, and UX culture initiatives within multidisciplinary environments.

Professional experiences

UX/UI Designer at Smartbreeder

05/2023 - 02/2026

  • Served as the sole UX/UI Designer responsible for the evolution of the company's digital products, leading discovery activities, prototyping, and solution design across all web and mobile modules in collaboration with Product Owners, Tech Leads, and stakeholders;

  • Built a library of 56 reusable components and a UI Guideline with over 37 pages of documentation, standardizing interface decisions and reducing prototyping time by approximately 50%;

  • Implemented a structured handoff and documentation process in Figma, consolidating user flows, business rules, and development specifications into a reusable foundation adopted across more than 56 prototypes;

  • Established the company's first formal internal user research process, creating an interview framework used in more than 10 research initiatives to support discovery, product definition, and documentation;

  • Identified bottlenecks in the product development workflow and proposed a structured framework for discovery, validation, and prototyping based on user research, usability testing, and hypothesis-driven design;

  • Designed and facilitated a UX/UI workshop for 38 employees across 7 departments, strengthening design culture within the organization and achieving an NPS score of 9.

Graphic designer at Varixx

10/2022 - 05/2023

  • Supported the company's rebranding initiative by applying the new visual identity across institutional, commercial, and technical materials, improving information architecture, visual hierarchy, and communication clarity;

  • Created templates and visual guidelines to standardize content production and ensure consistency throughout the rebranding rollout;

  • Supported digital and trade marketing initiatives, gaining exposure to customer journeys, sales funnels, acquisition metrics, and the RD Station platform.

Freelancing for advertising agencies and design consultancies

05/2021 - 10/2022

  • Developed digital and print materials for organizations across multiple industries, collaborating with multidisciplinary teams on branding and communication projects.

  • Supported user research and discovery activities, assisting with interviews, insight documentation, and empathy map creation for positioning and user experience initiatives.

  • Facilitated a corporate workshop on mental health for professionals in the creative industry, encouraging engagement and discussion in a workplace context.

UX / UI intern at Smartbreeder

09/2020 - 05/2020

  • Led the company's first design critique initiative alongside R&D leadership and front-end developers, contributing recommendations that were later incorporated into the product, including improvements to components, iconography, and visual systems;

  • Worked as part of a three-person multidisciplinary team responsible for redesigning the company's institutional website, contributing to information architecture, interface design, and content strategy in a project delivered within one month and launched to production.

Marketing intern at Döhler America Latina

03/2019 - 09/2020

  • Supported internal communication, branding, and commercial materials projects, contributing to the planning and execution of campaigns, corporate events, and strategic client presentations;

  • Leveraged market research and competitive intelligence reports to support commercial storytelling and executive presentations, while automating recurring content personalization processes and reducing operational effort by approximately 75%.

Competencies

Product Design

  • UX Research;
  • User Interviews;
  • Information architecture;
  • Interaction design;
  • User flows;
  • Wireframing;
  • Prototyping;
  • Usability testing.

Design & Deliverables

  • Component libraries;
  • UI guidelines;
  • Design documentation;
  • Handoff;
  • Design critique.

Process & collaboration

  • Discovery;
  • Design thinking;
  • Agile methodology;
  • SCRUM;
  • Stakeholder management;
  • Cross-functional collaboration;
  • Workshop facilitation.

tools

  • Figma;
  • Adobe Creative Cloud (Photoshop, Illustrator, InDesign, XD, After Effects, Premiere);
  • Miro;
  • Microsoft Office (Word, Excel, PowerPoint);
  • Google Workspace.

Education

  • Bachelor's Degree in Graphic Design  — FAAL (2018–2022)

Courses and certifications

  • Design thinking for educators - Bradesco foundation (2025);
  • Professional certificate in UX Design - UX Design Institute + ESPM (2024);
  • Complete Interface Design Course - Udemy (2023).

Language

  • Advanced english level - CCAA (2015).

Let’s design together!

graphicdesigner.marcus@gmail.com

+55 (19) 99430 4848

Marcus Vinicius Henrique Belli

// Product designer

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