Simera Professional Key (SPK)

Ubiratan S

Brasil

Head of Design, Principal Product Designer

$ 4,700/month

10+ yrs exp

Senior Design Leader and Principal Design Engineer with over 25 years of experience across product strategy, UI engineering, and scalable digital ecosystems. I specialize in UX, UI, design thinking, UX Research and design systems, design-to-code workflows, and enterprise UX, helping teams bridge creative intent with technical feasibility. Currently leading advanced research into the impact of Generative AI on design prototyping, I combine academic rigor with decades of practical execution to nav…

Skills

  • A/B Testing
  • Adobe Creative Suite
  • Bootstrap
  • CSS
  • CSS3
  • Design Sprint
  • Design Thinking
  • Digital Strategies
  • HTML
  • HTML5
  • Jira
  • Machine Learning
  • Product Design
  • React
  • System Architecture
  • Tableau
  • Amplitude
  • API Testing
  • ClickUp
  • Desk Researcher
  • Digital Design
  • Digital Strategist
  • Figma
  • Machine Learning/ML
  • Miro
  • Notion
  • OKR
  • Power BI
  • ReactJS
  • StoryBook
  • User Research
  • Research
  • Usability Testing
  • Design
  • PowerBI
  • DesignOps
  • Tableu
  • Prompt engineering
  • Leadership and Team Management
  • mentoring
  • AI Design
  • notion
  • Metabase
  • Leadership and Management
  • Mahcine Learning
  • machine learning
  • Adobe Creative Cloud (Photoshop, Illustrator, Premiere Pro, After Effects)
  • Micro
  • Artificial Intelligence
  • digital strategy
  • Design Systems/Prototyping
  • Lovable
  • ChatGPT Prompt Engineering
  • n8n Workflow Automation
  • GIS
  • GA4
  • HTML5 & CSS3
  • Design Systems
  • Click Up,
  • Tailwind CSS
  • Lean UX
  • Design Ops
  • Process Engineering
  • Figma make
  • Design System
  • Stakeholder Alignment

Ubiratan S

Brasil

Head of Design, Principal Product Designer

$ 4,700 /month

Part Time: $ 3,450/month

10+ yrs exp

Senior Design Leader and Principal Design Engineer with over 25 years of experience across product strategy, UI engineering, and scalable digital ecosystems. I specialize in UX, UI, design thinking, UX Research and design systems, design-to-code workflows, and enterprise UX, helping teams bridge creative intent with technical feasibility. Currently leading advanced research into the impact of Generative AI on design prototyping, I combine academic rigor with decades of practical execution to nav…

Skills

  • A/B Testing
  • Adobe Creative Suite
  • Bootstrap
  • CSS
  • CSS3
  • Design Sprint
  • Design Thinking
  • Digital Strategies
  • HTML
  • HTML5
  • Jira
  • Machine Learning
  • Product Design
  • React
  • System Architecture
  • Tableau
  • Amplitude
  • API Testing
  • ClickUp
  • Desk Researcher
  • Digital Design
  • Digital Strategist
  • Figma
  • Machine Learning/ML
  • Miro
  • Notion
  • OKR
  • Power BI
  • ReactJS
  • StoryBook
  • User Research
  • Research
  • Usability Testing
  • Design
  • PowerBI
  • DesignOps
  • Tableu
  • Prompt engineering
  • Leadership and Team Management
  • mentoring
  • AI Design
  • notion
  • Metabase
  • Leadership and Management
  • Mahcine Learning
  • machine learning
  • Adobe Creative Cloud (Photoshop, Illustrator, Premiere Pro, After Effects)
  • Micro
  • Artificial Intelligence
  • digital strategy
  • Design Systems/Prototyping
  • Lovable
  • ChatGPT Prompt Engineering
  • n8n Workflow Automation
  • GIS
  • GA4
  • HTML5 & CSS3
  • Design Systems
  • Click Up,
  • Tailwind CSS
  • Lean UX
  • Design Ops
  • Process Engineering
  • Figma make
  • Design System
  • Stakeholder Alignment

Head of Design, Principal Product Designer

Online UX Team
June 2025 - present

Delivered over 20 end-to-end projects in digital design, UX, and UI for responsive websites, web systems, marketplaces, payment gateways, and digital banking. Managed and mentored UX/UI teams of 3 to 10 people, including designers and developers, focusing on Design Ops, recruitment, workshop leadership, and fostering design culture. Defined and monitored metrics (NPS, Usability) and developed strategies for digital product development (E2E), information architecture, and hypothesis testing (A/B, Fake Door). Employed Agile methodologies (Scrum, Agile UX), user research (qualitative & quantitative), and created flows, wireframes, journeys, and prototypes (low and high fidelity). Architected Design Systems, implemented componentization (Figma), and ensured technical solution handoff and collaboration with engineering. Worked across platforms including web systems, websites, and mobile applications (iOS & Android) and transactional interfaces. Managed end-to-end digital design projects for responsive websites, web systems, and native/hybrid mobile applications. Applied a repertoire of design methods and techniques, including design thinking, design sprint, and UX Research, from discovery to delivery. Held a hybrid role as a design leader and project/product manager, overseeing roadmaps, stakeholder management in delivery strategy, and product maintenance. Collaborated closely with diverse stakeholders to define user needs and translate them into engaging design solutions. Served as a Salesforce Lightning Design System consultant for Service and Experience Cloud.

Product Design Lead

Marlabs LLC Brasil
October 2024 - June 2025

Led the discovery and delivery process, delivering the MVP of a compliance platform (www.Cybersheath.com) to an international client two months ahead of schedule. Integrated Generative AI (ChatGPT, Perplexity Pro) into the design workflow, reducing high-fidelity prototype creation time by 30% and enabling two additional testing cycles. Defined the design strategy (based on Material Design 2) for a team of 25, which cut new feature development time by 30% and eliminated over 40 hours of UI rework per sprint. Organized deliverables modularly, improving task execution time by 20-30% and increasing the client's NPS from 63 to 75. Served as a Salesforce Lightning Design System consultant for AWS and Experience Cloud.

Product Design Lead

Marlabs LLC Brasil
October 2024 - June 2025

Architected and deployed a GenAI-augmented workflow (utilizing ChatGPT, Perplexity, Lovable, and Google Stitch) that accelerated the MVP delivery of a compliance platform by 2 months. Optimized the prototyping lifecycle, reducing time-to-market by 30% and enabling two additional rapid-testing cycles through automated UI generation and advanced Figma variables. Engineered a design strategy based on Material Design 2 for a 25-person cross-functional team, eliminating 40+ hours of UI rework per sprint and increasing client NPS from 60 to 85. Streamlined technical handoff by implementing modular deliverables, resulting in a 30% improvement in task execution metrics for the engineering team.

Product Design Lead

Sysmanager
November 2023 - June 2024

Led the architecture and evolution of the Corporate Design System, achieving 80% adoption across development teams and significantly increasing organization-wide design maturity. Engineered an Advanced Prototyping & DevMode process, reducing overall development time by 40% and improving the internal user satisfaction (NPS) by 50%. Directed E2E design engineering for 3+ critical enterprise systems (Intranet, CMS, and Media Libraries), ensuring accessibility (WCAG) and consistency across complex data-dense interfaces. Facilitated technical design reviews, translating stakeholder requirements into scalable, production-ready design components.

Product Design Lead / Senior UX/UI Designer

Sysmanager
November 2023 - June 2024

Served as a Product Design Lead for an international project at the American company www.Sybridge.com, working remotely with 10 other professionals and leading end-to-end UX and UI design processes. Led design for over 3 internal company systems, including the intranet, content management system, and media libraries. Led the creation and evolution of the company's Design System, achieving 80% adoption by development teams and solidifying the organization's design maturity. Directly contributed to improving the client's NPS by 25% and reduced development time by 30% by introducing a mature Handoff and Advanced Prototyping process with usability testing and DevMode for the client's internal systems.

Product Design Lead and Senior UX/UI

Tech Mahindra
November 2021 - August 2022

Enforced 100% compliance with WCAG Level A accessibility standards across 20+ global sub-brand websites, establishing a new benchmark for inclusive design within the organization. Engineered the first formal A/B and Usability Testing framework for the regional design team, reducing engineering rework by 30% through evidence-based UI decisions. Orchestrated the Design Engineering for a LATAM B2B Marketplace (1,000+ products), coordinating a remote team to ensure high-fidelity delivery and seamless CRM integration via Salesforce Lightning. Spearheaded heuristic analysis and data visualization strategies for executive dashboards, providing real-time visibility into sales and engagement metrics.

Product Design Lead and Senior UX/UI Designer

Tech Mahindra
November 2021 - August 2022

Ensured 100% compliance with the WCAG Level A standard by leading the optimization of 20 sub-brand websites for the client Kimberly Clark. Implemented the team's first formal usability testing and A/B testing process, which reduced design and engineering rework by 30% and increased the quality level of UX and UI design deliverables. Led the discovery and delivery of Kimberly Clark's LATAM B2B marketplace (a portfolio of over 1,000 products), coordinating a team of 5 remote designers. Led the introduction of heuristic analysis to improve the usability of more than 15 sub-brand websites for the client Kimberly Clark. Gained experience using Salesforce's Lightning Design System for CRM customization across different client brands.

Principal Product Designer (Innovation Hub)

Grupo SOMA
February 2021 - October 2021

Pioneered the Design Engineering of live-streaming and cloud-store platforms for top-tier fashion brands (FARM, ANIMALE), generating over $2M in online sales during the pandemic. Architected modular UI flows that increased NPS from 60 to 85 and improved task execution efficiency by 15% through component reuse and optimized navigation logic. Led the technical discovery for innovative retail interfaces, bridging the gap between business requirements and complex frontend constraints.

Product Design Lead

Grupo SOMA
February 2021 - October 2021

Pioneered the creation of livestreaming platforms and cloud stores in the Innovation sector of Grupo Soma for brands such as FARM, ANIMALE, and HERING, one of the largest fashion groups in Brazil. Helped generate over R$2 million in sales during the pandemic by leading the end-to-end strategy and design of the pioneering "FARM Cloud Store" livestreaming project. Increased the NPS from 70 to 85 and improved task execution time by 15% by organizing deliverables modularly and optimizing user flows on the platform. Collaborated closely with business stakeholders, product owners, and developers to define user needs and translate them into engaging design solutions.

UX/UI Product Design Lead

Portobello Group
June 2019 - February 2021

Deployed E2E design for 10+ digital products, including iPad/Android sales catalogs and data-intensive BI dashboards for Brazilian and US operations. Institutionalized Design Sprints as a discovery framework, validating prototypes across 50+ physical stores and integrating stakeholder feedback into the technical roadmap. Certified Salesforce Lightning Specialist, leading UX efforts for ERP customizations and internal industrial digital products.

Design Lead, Senior UX/UI Designer

Portobello Group
June 2019 - February 2021

Utilized Salesforce's Lightning Design System for ERP customization across different client brands and sub-brands. Led UX design efforts for Salesforce Core applications and related projects. Delivered end-to-end design for over 10 digital products, including catalogs for iPad and Android, responsive and accessible portals, dashboards, and BI and Sales applications for Portobello America's Brazilian and US operations. Implemented and managed Design Sprints to validate ideas and build the new digital presence of the Portobello brand, integrating stakeholders and validating prototypes in over 50 stores in Brazil and abroad. Introduced design thinking as a framework for discovery processes for internal digital products in the industry. Created the first BI (data visualization) dashboards for internal teams, providing real-time sales metrics visibility to leadership.

Senior UX/UI Designer

Nexxera
April 2018 - December 2018

Accelerated the design-to-development cycle by 60% by migrating the tech stack to Figma and engineering the company's first centralized UI component library. Architected the UI for pioneer financial products, including digital wallets and payment gateways, focusing on security, trust, and high-volume transaction UX.

Senior UX/UI Designer

Nexxera
April 2018 - December 2018

Accelerated the design and development process by 60% by introducing Figma and componentization as the basis for the company's UI libraries. Led a team of 5 designers in the design of financial products (web and mobile), including the conceptualization of one of the first digital wallets and payment gateways in Brazil.

Senior UX/UI Designer

Grupo Digital Business
April 2017 - October 2017

Led wireframing and prototyping for 3 of Brazil’s largest digital banks, delivering validated high-fidelity prototypes and optimized user flows. Improved feature delivery time by 30% by institutionalizing agile methodologies and UI component prototyping. Architected E2E design for major clients including Bradesco, Sou Digi+, and Lojas Paquetá e-commerce.

Senior UX/UI Designer

Grupo Digital Business
April 2017 - October 2017

Led the development of digital banks in Brazil, working at 3 of the country's largest digital banks during this period, from user flows to the delivery of final prototypes with tested and validated usability. Improved feature delivery time by more than 30% by introducing agile methodologies, user research, and UI component prototyping. Led end-to-end design for large clients, including two digital banks (Bradesco and Sou Digi+) and the e-commerce of the retail store Lojas Paquetá.

Principal Design Engineer & Founder

Online UX Team
June 2008 - present

Orchestrated the technical design strategy for over 30 digital products, specializing in high-performance web systems and complex fintech architectures, payment gateways and digital banking. Engineered scalable Design Systems from the ground up, implementing tokenization and component-driven development that bridged the gap between Figma and production-ready React and Tailwind code. Led Design-to-Code operations, reducing handoff friction and technical debt by establishing rigorous UI standards and automated documentation workflows in Notion and Figma. Pioneered the integration of GenAI, LLMs, Image Generators and AI design tools into the discovery and prototyping phases, accelerating the delivery of high-fidelity prototypes by 40 percent for international stakeholders. Acted as a Salesforce Lightning Design System (SLDS) Consultant, specializing in Service and Experience Cloud customization for enterprise-scale SaaS applications.

Computation Analyst / UI/UX Designer

PROCERGS
November 1999 - November 2015

Worked for 16 years in multiple roles, evolving from graphic and front-end designer to project leader in design, UX, and UI. Led the design, delivering over 15 portals and systems for the state government and government initiatives, including websites and web systems. Spearheaded the pioneering adoption of agile methodologies, user research, responsive design, and component libraries, establishing UI/UX standards that were adopted by 15 departments across 5 divisions.

Computation Analyst / UI/UX Designer

PROCERGS
November 1999 - November 2015

Spearheaded the pioneering adoption of Agile, Responsive Design, and Component Libraries in the state government, establishing UI/UX standards adopted by 15+ departments. Led the design engineering for 15+ complex portals and systems, transitioning legacy interfaces to modern, user-centric web applications.

Smart Scores

Communication
90
Role Fit
100
Adaptability
80
Problem-solving
80

Smart Skills

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