About Sthefanne
Portuguese
Native or bilingual
English
Fluent
Experience
- UNICCProduct Designer (UX/UI) | International Projects (Health, Government & Social Impact)CIVIC AND SOCIAL ORGANIZATIONSMarch 2024 - Today (2 years and 5 months)Valencia, SpainExperience delivering end-to-end UX/UI solutions across global digital products in healthcare, public sector, education, and data platforms. I collaborate with international organizations and cross-functional teams to design scalable, user-centered solutions that drive real-world impact.I lead the full design lifecycle — from discovery and research to prototyping and delivery — applying human-centered design and design thinking methodologies in agile environments.Selected Projects & Experience:
- SMILE Platform (Ministry of Health Indonesia + UNDP): Designed features for a large-scale health platform managing vaccines, medicines, and medical waste across 12,000+ facilities, later expanded to Malawi
- International Organization for Migration (IOM): Designed a digital handbook to support immigration processes and user guidance
- AI Academy: Contributed to the design of an e-learning platform focused on Artificial Intelligence education
- OPEC Fund for International Development: Designed a platform for filtering, analyzing, and accessing research on financial partner institutions
- UN Geneva: Developed a platform to manage funding for institutional communication and graphic materials
- UN Digital ID (Malawi): Contributed to digital identity solutions for public services
- UNICEF: Designed a mobile app for pregnancy and child health tracking, including vaccination, check-ups, and growth monitoring
Impact & Achievements:- Led UX/UI initiatives across multiple international, high-impact digital products
- Built and maintained scalable design systems to ensure consistency across platforms
- Facilitated workshops and stakeholder alignment across diverse cultural and operational contexts
- Delivered data-driven and user-centered solutions in agile, cross-functional environments
- Recognized for strong ownership, communication, and stakeholder management
- JumiaUX/UI DesignerE-COMMERCEApril 2022 - March 2025 (2 years and 11 months)Porto, PortugalResponsible for the features: search, filters and product description page. Features where the experience needs to help the user to find the best product and convince to buy it.Main responsabilities:- Drive end-to-end design processes for new features and product enhancements, from conceptualization to implementation.- Collaborate closely with cross-functional teams, including product owners, engineers, and designers.- Create wireframes, prototypes, and high-fidelity designs to translate UI and design ideas effectively.- Express a problem-solving approach, combining UX principles with data-driven insights.- Develop and maintain a scalable design system ensuring consistent user experiences.- Stay abreast of industry trends, emerging technologies, and best practices, integrating this knowledge into the design process.- Advocate for human-centered design, fostering a culture of design thinking within the organisation.- Engage with stakeholders at various levels, presenting and justifying design decisions.- Lead the translation of customer insights into compelling design narratives.- Deliver incremental changes and product features that propel our products to new heights.- Actively participate in agile project teams, including sprints, retrospectives, and reviews.Main results:- Part of the team that started a user-centered culture in the company;- Consecutive positive feedback from the team;- More consistency and organization thanks to the design system and the workflow defined.
- Stone Co.UX/UI DesignerBANKING AND INSURANCEMay 2021 - July 2022 (1 year and 2 months)São Paulo, BrazilResponsible for the design system and for the success of the new features implementations in Equals, a company Stone Co.Main responsibilities:- Deliver high-quality work throughout the end-to-end product design workflow, from synthesising user research, to designing wireframes to prototypes to high-fidelity visual design- Help to mantain the design system- Plan, conduct, and synthesise user research to strengthen clarity and understanding, and enable meaningful solutions- Collaborate closely with front-end developers to ensure the smooth handoff, implementation and maintenance of designs and components- Define user interactions and experience through user flows, information architecture, mockups, and other relevant diagrams and maps- Build functional prototypes to validate and test your designs, and to engage team conversations- Effectively communicate the design decisions and the underlying rationale and processMain results:- More consistency for the app and web version, thanks to the design system updates;- Created a routine of workshops with busines, developers and costumer success teams;- Considerable drop in support calls due to the ux writing applied.
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