AeroLeads people directory · profile
Guillermo Rosewarne Email & Phone Number
Product Designer and UX Engineer
at
Fever!
1 work email found
@feverup.com
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Product Designer and UX Engineer
Location
Greater Madrid Metropolitan Area, Spain
Company size
Who is Guillermo Rosewarne? Overview
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Quick answer
Guillermo Rosewarne is listed as Product Designer and UX Engineer at Fever!, a with 3792 employees, based in Greater Madrid Metropolitan Area, Spain. AeroLeads shows a work email signal at feverup.com and a matched LinkedIn profile for Guillermo Rosewarne.
Guillermo Rosewarne previously worked as Product Designer & UX Engineer at Fever! and Cofounder | Head of Web & UX Engineer at Efe6
Company email context
Email format at Fever!
This section adds company-level context without repeating Guillermo Rosewarne's masked contact details.
{first}.{last}@feverup.com
89% confidence
AeroLeads found 1 current-domain work email signal for Guillermo Rosewarne. Compare company email patterns before reaching out.
Profile bio
About Guillermo Rosewarne
With more than 10 years of experience in product design, UX engineering, and design system leadership, I have cultivated a dedicated approach to delivering user-centric solutions.Through effective collaboration with diverse teams, I have contributed to the creation and maintenance of cohesive design frameworks and UI components.Alongside my proficiency in front-end layout and markup, I have supported project success and fostered an environment of continuous learning and growth.My focus on fostering strong team dynamics has allowed me to contribute to the development of impactful product solutions and infrastructure, demonstrating a commitment to achieving collective goals in dynamic work settings.-------------------------Key Skills: User-centered design | UX/UI strategies | Design system creation and maintenance | Strong knowledge of front-end layout and markup | Team management and leadership | Staff recruitment and hiring | Infrastructure creation and product solutions | Rapid prototyping | Cross-functional collaboration | Process automation
Listed skills include Html5, Photoshop, Responsive Web Design, Jquery, and 33 others.
Current workplace
Guillermo Rosewarne's current company
Company context helps verify the profile and gives searchers a useful next step.
Fever!
7 roles
Guillermo Rosewarne work experience
A career timeline built from the work history available for this profile.
Product Designer & Ux Engineer
Current
May 2018 - Present
Cofounder | Head Of Web & Ux Engineer
Efe6
www.efe6.es• Creación de diseños centrados en el usuario teniendo en cuenta el análisis de mercado, los comentarios de los clientes, las limitaciones / oportunidades técnicas.• Trabajar estrechamente con el equipo de marketing para desarrollar escenarios de usuario y requisitos del proyecto. • Creación flujos de procesos, wireframes y prototipos para crear una comprensión compartida de las necesidades y el alcance de las soluciones para aplicaciones de software multidispositivo.• Maquetación y desarrollo de la capa Front en HTML5, CSS3 y JavaScript / JQuery. • Automatización y optimización de los procesos de desarrollo front para agilizar y aumentar la productividad de las soluciones.• Trabajar conjuntamente con el equipo de desarrollo para aportar el máximo valor al producto.
Jan 2012 - Apr 2018
Responsable Del Departamento De Diseño Y Desarrollo Frontend
Netvision Technologies Sl
• Maquetacion web en XHTML y CSS2.1 con validación W3C .• Diseño de interfaz de usuraio• Certificación de accesibilidad• JavaScript • Personalización de CMS y social media.
Nov 2009 - Jan 2012
Director De Arte
Postalfree
Feb 2008 - Nov 2009
Diseñador Web Junior
Slabon
Diseño, creación y mantenimiento de sitios web en flash y html.
Oct 2007 - Feb 2008
Diseñador Web
Estela Cantabra
Creación y mantenimiento de webs en flash.Creación de papelería.
Jun 2005 - Sep 2005
Team & coworkers
Colleagues at Fever!
Other employees you can reach at feverup.com. View company contacts for 3792 employees →
RR
Ricardo Rosario
Colleague at Fever!Madrid, Community Of Madrid, Spain
View →
PC
Paola Cruz
Colleague at Fever!Mexico City, Mexico
View →
GC
Gustavo Couto
Colleague at Fever!Madrid, Community Of Madrid, Spain
View →
MR
Miriam Rodriguez Duran
Colleague at Fever!Madrid, Community Of Madrid, Spain
View →
MD
Mia Di Santo
Colleague at Fever!Chicago, Illinois, United States
View →
KM
Komal Mohsin
Colleague at Fever!Karachi Division, Sindh, Pakistan
View →
MS
Mk Squad
Colleague at Fever!Palembang, South Sumatra, Indonesia
View →
EG
Elisa Giussani
Colleague at Fever!Milan, Lombardy, Italy
View →
TK
Tom Kew
Colleague at Fever!Nottingham, England, United Kingdom
View →
AG
Angela Garcia Moro
Colleague at Fever!Spain
View →
Ricardo Rosario
Colleague at Fever!Madrid, Community Of Madrid, Spain
View →
PC
Paola Cruz
Colleague at Fever!Mexico City, Mexico
View →
GC
Gustavo Couto
Colleague at Fever!Madrid, Community Of Madrid, Spain
View →
MR
Miriam Rodriguez Duran
Colleague at Fever!Madrid, Community Of Madrid, Spain
View →
MD
Mia Di Santo
Colleague at Fever!Chicago, Illinois, United States
View →
KM
Komal Mohsin
Colleague at Fever!Karachi Division, Sindh, Pakistan
View →
MS
Mk Squad
Colleague at Fever!Palembang, South Sumatra, Indonesia
View →
EG
Elisa Giussani
Colleague at Fever!Milan, Lombardy, Italy
View →
TK
Tom Kew
Colleague at Fever!Nottingham, England, United Kingdom
View →
AG
Angela Garcia Moro
Colleague at Fever!Spain
View →
2 education records
Guillermo Rosewarne education
Licenciado En Publicidad Y Relaciones Públicas, Graphic Design
Tecnico Superior En Gráfica Publicitaría Y Artes Plasticas, Diseño, Web, Maquetación
Escuela De Diseño Vinsac
FAQ
Frequently asked questions about Guillermo Rosewarne
Quick answers generated from the profile data available on this page.
What company does Guillermo Rosewarne work for?
Guillermo Rosewarne works for Fever!.
What is Guillermo Rosewarne's role at Fever!?
Guillermo Rosewarne is listed as Product Designer and UX Engineer at Fever!.
What is Guillermo Rosewarne's email address?
AeroLeads has found 1 work email signal at @feverup.com for Guillermo Rosewarne at Fever!.
Where is Guillermo Rosewarne based?
Guillermo Rosewarne is based in Greater Madrid Metropolitan Area, Spain while working with Fever!.
What companies has Guillermo Rosewarne worked for?
Guillermo Rosewarne has worked for Fever!, Efe6 <Rebuilding Ideas/>, Netvision Technologies Sl, Postalfree, and Slabon.
Who are Guillermo Rosewarne's colleagues at Fever!?
Guillermo Rosewarne's colleagues at Fever! include Ricardo Rosario, Paola Cruz, Gustavo Couto, Miriam Rodriguez Duran, and Mia Di Santo.
How can I contact Guillermo Rosewarne?
You can use AeroLeads to view verified contact signals for Guillermo Rosewarne at Fever!, including work email, phone, and LinkedIn data when available.
What schools did Guillermo Rosewarne attend?
Guillermo Rosewarne holds Licenciado En Publicidad Y Relaciones Públicas, Graphic Design from Universidad Antonio De Nebrija.
What skills is Guillermo Rosewarne known for?
Guillermo Rosewarne is listed with skills including Html5, Photoshop, Responsive Web Design, Jquery, Web Design, Css, Illustrator, and User Experience Design.
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