René – Prototyping, UI/UX, Interaction Design, experts in Lemon.io

René

From United States (UTC-5)flag

UI/UX Designer|Senior
Product Designer|Senior

René – Prototyping, UI/UX, Interaction Design

15 years of commercial experience in
AI
Design
UI/UX
Main technologies
Prototyping
12.5 years
UI/UX
12.5 years
Interaction Design
2 years
Product design
12.5 years
Software design
12.5 years
Figma
5 years
Additional skills
iOS
Android
Adobe Creative Suite
Adobe Photoshop
Adobe XD
Axure
Perplexity
Sketch
Usability testing
Wireframing
UX
Responsive Web Design
Design system
User-centered design
Material Design
Product Strategy
Adobe Illustrator
InVision
HTML
CSS
UI
Requirement Analysis
MUI
AI
Direct hire
Possible
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Experience Highlights

Product Design/UX Expert
May 2026 - Ongoing4 months
Project Overview

An AI-powered intelligence platform that organizes human expertise to train, evaluate, and benchmark frontier AI models. The product connects human-centered design principles with machine learning development by using expert design judgment to improve AI-assisted product design capabilities, UI quality, and model evaluation.

Responsibilities:
  • Evaluated product design decisions and UX flows by applying user-centered design expertise and professional judgment, providing actionable feedback that enhanced AI system training and product development quality;
  • Applied user journey and usability insights to guide AI system evaluation, translating complex user behavior patterns into strategic recommendations that improved design quality and user experience outcomes;
  • Partnered with an AI team to evaluate design quality and taste preferences through in-depth design analysis and UX assessments, driving improvements in AI-assisted product design capabilities.
Project Tech stack:
AI
UI
UX
UX
Responsive Web Design
Founder, UI/UX Product Design Strategist
Jan 2026 - Ongoing8 months
Project Overview

A digital design and strategy service focused on UI/UX product design, interactive design, and intuitive digital experiences for web and mobile applications. It helps organizations translate business goals and user needs into consistent, effective digital products.

Responsibilities:
  • Strategized and implemented user-centered design solutions for diverse clients, enhancing digital experiences and driving business growth;
  • Led strategy workshops and user research to gather insights, resulting in data-driven design decisions that improved user experience and met business goals;
  • Developed UI/UX designs aligned with client branding, ensuring consistency and seamless integration across digital products, which enhanced user satisfaction and brand loyalty.
Project Tech stack:
UI
UX
UX
Interaction Design
Software design
Figma
Product design
Adobe Creative Suite
Adobe Photoshop
Adobe Illustrator
Wireframing
Prototyping
User-centered design
Responsive Web Design
Experience Design Architect
May 2021 - Apr 20242 years 11 months
Project Overview

An enterprise digital product engineering environment focused on software applications and digital transformation for mid-market and Fortune 500 B2B and B2C organizations. The products span web and mobile experiences, with an emphasis on improving usability, supporting business goals, and delivering consistent digital experiences.

Responsibilities:
  • Synthesized user interviews and research findings into intuitive, user-centered interfaces that increased user interaction, improved usability, and enhanced user engagement for clients’ mobile and web application solutions;
  • Developed user stories, wireframes, process diagrams, user flows, and prototypes to effectively communicate business and user needs, pain points, key tasks, and opportunities to the team and stakeholders;
  • Created UI/UX product designs aligned with client design system standards, ensuring seamless integration and consistency across digital products, enhancing user engagement and user satisfaction.
Project Tech stack:
UI
UX
UX
Material Design
Adobe Photoshop
Figma
Adobe Creative Suite
Product design
Software design
User-centered design
Design system
Interaction Design
Sketch
Adobe XD
Wireframing
Prototyping
Usability testing
MUI
Lead UX/UI Designer
Jul 2020 - Sep 20202 months
Project Overview

A premium subscription podcast service offering exclusive original shows and audio content, including a dedicated TV application for Xfinity customers. The product focuses on improving podcast discovery, content engagement, and subscription growth through an intuitive TV-based experience.

Project gallery:
Portfolio example for Luminary's new Xfinity TV Podcast App by René, Lead UX/UI Designer
Portfolio example for Luminary's new Xfinity TV Podcast App by René, Lead UX/UI Designer
Portfolio example for Luminary's new Xfinity TV Podcast App by René, Lead UX/UI Designer
Portfolio example for Luminary's new Xfinity TV Podcast App by René, Lead UX/UI Designer
Portfolio example for Luminary's new Xfinity TV Podcast App by René, Lead UX/UI Designer
Responsibilities:
  • Led design strategies and collaborated closely with product managers, marketing, art directors, and engineers to refine business and customer requirements, increasing conversion rates and growth;
  • Drove the end-to-end design process in Figma, streamlining collaboration, ensuring accountability in project timelines, and achieving successful implementation within 3 months.
Project Tech stack:
UI
UX
Sketch
Adobe Photoshop
Adobe Illustrator
Interaction Design
Software design
Prototyping
Wireframing
InVision
Lead UX/UI Designer
Jun 2019 - Oct 20194 months
Project Overview

A responsive web application supporting Safety in Design initiatives within the mining, metals, and petroleum industry. The product provides centralized access to safety practices and real-time performance data, helping users access relevant safety information and support informed decision-making.

Project gallery:
Portfolio example for Safety in Design Responsive Webite Redesign by René, Lead UX/UI Designer
Portfolio example for Safety in Design Responsive Webite Redesign by René, Lead UX/UI Designer
Portfolio example for Safety in Design Responsive Webite Redesign by René, Lead UX/UI Designer
Portfolio example for Safety in Design Responsive Webite Redesign by René, Lead UX/UI Designer
Responsibilities:
  • Led whiteboard sessions with technical and non-technical stakeholders and team members, effectively translating complex technical requirements into actionable wireframes and mockup prototypes, improving user satisfaction and project clarity;
  • Executed hands-on development of low- and mid-fidelity UX wireframes, sketches, task flows, interactive prototypes, and final design mockups that provided solutions to business requirements and user needs;
  • Improved usability and adoption within 4 months by implementing thoughtful user-centered design strategies that addressed critical UX pain points for BHP’s users.
Project Tech stack:
UI
UX
UX
InVision
Interaction Design
User-centered design
Usability testing
Responsive Web Design
Software design
Sketch
Product design
Prototyping
Wireframing
Requirement Analysis

Education

2002
Graphic Design
Coursework
2003
Graphic Art
Coursework

Languages

English
Advanced

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