Martina Pérez, Designer in London, United Kingdom
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Martina Pérez

Verified Expert  in Design

Designer

Location
London, United Kingdom
Toptal Member Since
May 7, 2020

As a product designer, Martina crafts end-to-end user experiences with a focus on interaction design and how user research can transform the way you approach problems. She has over 10 years of experience designing for native mobile apps and responsive web while working on cross-functional teams with engineers, product managers, and other designers in a variety of industries. Martina has a special interest in new technologies such as augmented reality, virtual reality, and voice-user interfaces.

Portfolio

Work Experience

Staff Product Designer

2021 - PRESENT
Hotjar
  • Led the product design in the Ask group with product, engineering, and content design. Mentored three designers on the craft and participated in recruiting.
  • Conducted 50+ research studies, achieving a usability score of 5.5 or higher, leading to a 20% increase in survey completion. Sharpened the product strategy, elevating user engagement by 10%.
  • Released the Al report and survey generator with a 10% adoption.
  • Revamped the survey widgets. Created the design system library for the new surveys with a response rate increase of 400%.
  • Elevated the usability score by 20 points with the definition of a usability framework implemented by the five company tribes.
  • Generated 10+ Miro templates for asynchronous collaboration, which elevated the engineers' satisfaction to 90/100 points.
Technologies: Figma, Miro, Lyssna, A/B Testing, Google Sheets, Product Strategy, User Flows, Google Analytics, Tableau, Research, Interaction Design (IxD), Usability Testing, Prototyping, User Interface (UI), Visual Design, Web Design, Artificial Intelligence (AI), Usability, Stakeholder Management, Design Leadership, Storytelling, Design Systems, Mixpanel, Lean UX, Data Analysis, UX Wireframes, Product Design, High-fidelity Prototypes, Interactive Prototypes, Journey Mapping, User Experience (UX), UX Design, Agile, Rapid Prototyping, User Research, UI Design, Web App Design, Responsive Web Design (RWD), User Interviews, UX Strategy, Wireframing, UI Components, Information Architecture (IA), Website Redesign, Personas, User Scenarios, User-centered Design (UCD), User Journeys, Iterative Design, Presentations, Qualitative Research, Jira, Quantitative Research, Optimal Workshop, Mind Maps, B2B, Business to Business to Consumer (B2B2C), Landing Page Design, User Testing, B2C, Redesign, Quantitative User Research, User Onboarding, Communication, Motion Design, Responsive Design, Google Forms, UsabilityHub, Hotjar, Design, Discovery, Agile Sprints, Metrics, Apple Keynote, Midjourney, OpenAI, Branding, Icon Design, Style Guides, Consumer Products, Web, Mockups, MVP Design, UX Research, Microinteractions, Animation, Software as a Service (SaaS), Data Visualization, Information Technology, User Personas, Dashboard Design, SaaS, SaaS Design, Conversion Rate, Creative Tech, Enterprise SaaS, UI Style Guides, Dashboards, Design Workshops, Design Sprints

Interaction Design Teacher

2021 - 2023
Universitat Oberta de Catalunya
  • Trained 130+ students in interaction design, part of the design bachelor's degree at the Open University of Catalonia.
  • Taught quantitative and qualitative research, journey mapping, personas, user testing, and prototyping.
  • Got a 96/100 score in responsiveness, expert knowledge, motivation, and clarity.
Technologies: Figma, User Flows, Information Architecture (IA), Quantitative Research, Qualitative Research, Interaction Design (IxD), Usability, Prototyping, User Interface (UI), User Journeys, High-fidelity Prototypes, Interactive Prototypes, Journey Mapping, User Experience (UX), Product Design, UX Design, Agile, Rapid Prototyping, UI Design, Web App Design, Responsive Web Design (RWD), Wireframing, Personas, User Scenarios, User-centered Design (UCD), Mind Maps, User Testing, Communication, Responsive Design, Google Forms, UsabilityHub, Research, Design, Discovery, Apple Keynote, Web, Mockups, UX Research, User Personas

Principal Product Designer

2020 - 2021
Moonpig
  • Simplified the user experience within a card-first eCommerce, ran research, and defined the product strategy with product, engineers, and data scientists, resulting in a 32% boost in card upsell.
  • Spearheaded product strategy design to optimize card algorithms that boosted the gifts attachment by 7%, resulting in a 6% increase in the product page conversion and more card discoverability with new IA.
  • Facilitated ideation workshops with multidisciplinary teams and iterated designs based on user testing results and A/B testing. Mentored six designers in interaction design and data analysis.
Technologies: A/B Testing, Figma, User Testing, Miro, Google Sheets, Tableau, Product Strategy, Usability Testing, Discovery, User Flows, UX Wireframes, User Interface (UI), Web Design, Information Architecture (IA), Optimal Workshop, Prototyping, Framer X, Visual Design, Design Thinking, Design Systems, Design Leadership, Stakeholder Management, Lean UX, High-fidelity Prototypes, Interactive Prototypes, Journey Mapping, User Experience (UX), Product Design, Mobile UI, UX Design, Agile, Rapid Prototyping, User Research, UI Design, Web App Design, Responsive Web Design (RWD), User Interviews, UX Strategy, Wireframing, UI Components, Website Redesign, Personas, User Scenarios, User-centered Design (UCD), Interaction Design (IxD), User Journeys, Iterative Design, Presentations, Qualitative Research, Jira, Quantitative Research, Mind Maps, B2C, Redesign, Quantitative User Research, Communication, Motion Design, Responsive Design, Google Forms, UsabilityHub, Hotjar, Google Analytics, Usertesting.com, Usability, Research, Design, Agile Sprints, Metrics, Apple Keynote, Consumer Products, Web, Mockups, MVP Design, UX Research, Mobile, Microinteractions, Animation, Information Technology, User Personas, Conversion Rate Optimization (CRO), Conversion Rate, Retail & Wholesale, Creative Tech, eCommerce, Design Workshops, Design Sprints

UX Designer

2019 - 2020
Marhub
  • Defined the user flow to increase the quality and quantity of trustworthy information that refugees receive through the chatbot when they decide to move to a new country.
  • Created the template used to gather users' information in order to improve and speed up the feedback process.
  • Collaborated with the founder, a product manager, and two business analysts.
Technologies: Miro, Figma, Conversational Interfaces, Chatbots, Low-fidelity Prototypes, High-fidelity Prototypes, Interactive Prototypes, User Experience (UX), User Interface (UI), User Flows, Prototyping, Product Design, Mobile UI, Mobile Design, UX Design, Agile, Rapid Prototyping, Visual Design, UI Design, Web App Design, UX Strategy, Wireframing, User-centered Design (UCD), Interaction Design (IxD), Qualitative Research, Mind Maps, B2C, Communication, Usability, Lean UX, Research, Design, Stakeholder Management, Discovery, Web, Mockups, Mobile, Information Technology

Product Design Lead

2019 - 2020
Zone
  • Created an MVP for a web platform that allows travel agents to make changes to flight bookings on behalf of their clients.
  • Collaborated with a project manager, business analyst, visual designer, and the design director for the project.
  • Planned and conducted user research through face-to-face and remote user interviews and user testing sessions.
  • Contributed to an accelerator after design sprints to create design solutions for testing.
  • Prioritized user stories based on insights gathered during user research.
  • Created a backlog based on the insights gathered during user research and testing to hand off to the development team.
Technologies: Lookback, Figma, Miro, Research, User Journeys, Information Architecture (IA), Prototyping, User Interface (UI), Visual Design, Stakeholder Management, Storytelling, Service Design, Lean UX, UX Wireframes, Low-fidelity Prototypes, High-fidelity Prototypes, Interactive Prototypes, Journey Mapping, User Experience (UX), User Flows, Product Design, UX Design, Agile, Rapid Prototyping, User Research, UI Design, Web App Design, Responsive Web Design (RWD), User Interviews, UX Strategy, Wireframing, UI Components, Personas, User Scenarios, User-centered Design (UCD), Interaction Design (IxD), Customer Journeys, Presentations, Qualitative Research, Mind Maps, B2B, Landing Page Design, User Testing, Communication, Responsive Design, Usability, Design, Usability Testing, Design Leadership, Discovery, Web Design, Marvel App, Agile Sprints, Apple Keynote, Style Guides, Web, Mockups, UX Research, Software as a Service (SaaS), Dashboard Design, Design Sprints

Product Designer

2018 - 2019
Chatty
  • Designed a mobile app that allows people to listen and reply to their instant messages aloud.
  • Doubled the number of users who complete the setup process from 35% to 70%.
  • Analyzed logs and user behaviors to understand why 65% of users abandoned the app.
  • Created a chat assistant to help users set up the app. This included tone of voice, messages, and UI design.
Technologies: Optimal Workshop, Google Sheets, Google Forms, Google Analytics, Framer X, Figma, Sketch, Conversational UX, Low-fidelity Prototypes, High-fidelity Prototypes, Interactive Prototypes, Journey Mapping, User Experience (UX), User Interface (UI), User Flows, Prototyping, Product Design, Mobile UI, Mobile Design, UX Design, Agile, Rapid Prototyping, Visual Design, User Research, UI Design, UX Strategy, Wireframing, Mobile App Design, Android App Design, User-centered Design (UCD), Interaction Design (IxD), User Journeys, Iterative Design, Qualitative Research, Mind Maps, User Testing, B2C, Quantitative User Research, User Onboarding, Communication, Motion Design, Chatbots, Google AdWords, Conversational Interfaces, Hotjar, Data Analysis, Usability, Lean UX, Research, UX Wireframes, Mobile Applications, Design, Brand Design, Product Strategy, Usability Testing, Stakeholder Management, Design Leadership, Discovery, Web Design, Marvel App, Metrics, Apple Keynote, Branding, Icon Design, Style Guides, Consumer Products, Web, Mockups, MVP Design, UX Research, Mobile, Microinteractions, Animation, Adobe Illustrator, Graphic Design, Information Technology, Conversion Rate, Creative Tech, Sales & Marketing

Product Design Lead

2016 - 2019
Schibsted
  • Designed a web platform that uses predictive modeling to reach people. The platform allows the company's internal users to create audience segments based on different targeting criteria.
  • Conducted user research and iterated designs using methodologies such as card sorting, surveys, face-to-face user testing, and user interviews.
  • Led workshops with stakeholders to prioritize work before handing it off to the development team.
  • Collaborated with product managers to plan the strategy and roadmap based on business goals.
  • Refined tiny interaction design details in order to display all the necessary content to enable users to create audience segments. The content came from six countries and more than 40 marketplaces and media websites.
  • Participated in a cross-functional team with back-end developers, front-end developers, data scientists, and product managers.
  • Built multiple concepts and prototypes to use in user testing sessions, solicit feedback in design critique sessions, and validate them with stakeholders.
  • Worked in an agile environment with daily stand-ups.
Technologies: Optimal Workshop, Google Forms, Lookback, Sketch, Low-fidelity Prototypes, High-fidelity Prototypes, Interactive Prototypes, Journey Mapping, User Experience (UX), User Interface (UI), User Flows, Prototyping, Product Design, UX Design, Agile, Rapid Prototyping, Visual Design, User Research, UI Design, Web App Design, User Interviews, UX Strategy, Illustrator CC, Photoshop CC, Wireframing, UI Components, Website Redesign, User Scenarios, User-centered Design (UCD), Interaction Design (IxD), User Journeys, Iterative Design, Presentations, Qualitative Research, Jira, Framer X, Design Systems, Mind Maps, Design Libraries, B2B, User Testing, Redesign, User Onboarding, Communication, Motion Design, Mixpanel, Usability, Lean UX, Research, UX Wireframes, Design, Brand Design, Product Strategy, Usability Testing, Stakeholder Management, Design Leadership, Discovery, Web Design, Marvel App, Agile Sprints, Microsoft PowerPoint, Apple Keynote, Branding, Icon Design, Style Guides, Web, Mockups, MVP Design, UX Research, Advertising, Adobe Illustrator, Graphic Design, Software as a Service (SaaS), Marketing, Data Visualization, Information Technology, Marketing Technology (MarTech), Dashboard Design, SaaS, SaaS Design, Sales & Marketing, Enterprise SaaS, UI Style Guides, Design Sprints

UX/UI Designer

2010 - 2018
Self-employed
  • Created designs and built 15+ mobile apps, responsive websites, and interactive experiences.
  • Ideated a VUI Android mobile app for instant messages with a 70% boost in activation as a result of a new onboarding experience.
  • Designed branding materials for tech companies. Was honored with an award for 3D models showcased in animation shorts.
Technologies: 3D Modeling, Sketch, Adobe Illustrator, Photoshop CC, Autodesk Maya, Zeplin, Google Analytics, Google AdWords, Firebase, Google Sheets, Google Forms, Hotjar, Lookback, User Interface (UI), Guidelines, UI Components, Design Libraries, Design Systems, Mobile Apps, Web Design, User Testing, Research, Icon Design, Branding, Logo Design, iOS, Android, CSS, HTML, JavaScript, PHP, SQL

UX Lead

2015 - 2016
Gigigo
  • Designed a smart marketing web platform that allows SMEs to create campaigns to be launched by triggers such as geofences, beacons, barcodes, and QR codes.
  • Collaborated with a cross-functional team of product managers, business people, engineers, and other designers.
  • Managed a team of three UX designers and coordinated with the UI lead.
  • Led user research for a mobile app that allows people to get a second screen with extra content while they are watching a movie.
  • Iterated designs and created new wireframes based on the insights gathered in user testing sessions.
  • Led a web platform project for Coca-Cola. The platform allows internal users to create landing pages and launch marketing campaigns in a quick and effortless way.
  • Introduced new digital tools, mentored and trained designers to upskill the team, and improved the team's efficiency.
Technologies: Zeplin, Axure, Sketch, Low-fidelity Prototypes, High-fidelity Prototypes, Interactive Prototypes, User Experience (UX), User Interface (UI), User Flows, Prototyping, Mobile UI, Mobile Design, UX Design, Agile, Rapid Prototyping, Visual Design, User Research, UI Design, Web App Design, Responsive Web Design (RWD), UX Strategy, Illustrator CC, Photoshop CC, Wireframing, UI Components, Mobile App Design, Android App Design, Tablet Design, Website Redesign, User-centered Design (UCD), Interaction Design (IxD), Customer Journeys, User Journeys, Iterative Design, Presentations, Jira, Design Systems, Optimal Workshop, Mind Maps, Design Libraries, Proximity Marketing, Image Recognition, Marketing Platforms, B2B, Landing Page Design, Bluetooth Beacons, Proximity Technology, Redesign, User Onboarding, Communication, Motion Design, Service Design, Design Thinking, Usability, Lean UX, Research, UX Wireframes, Mobile Applications, Design, Brand Design, Product Strategy, Usability Testing, Stakeholder Management, Design Leadership, Web Design, Marvel App, Agile Sprints, Microsoft PowerPoint, Apple Keynote, Branding, Icon Design, Style Guides, Consumer Products, Web, Mockups, Mobile, Advertising, Adobe Illustrator, Graphic Design, Marketing, Marketing Technology (MarTech), Dashboard Design, Marketing Design, Sales & Marketing, Enterprise SaaS, UI Style Guides, Content Management Systems (CMS)

Senior Product Designer

2013 - 2015
bq Music Service
  • Designed a music service for iOS and Android native mobile apps and responsive web.
  • Increased user retention to 70% when comparing the alpha and beta releases.
  • Collaborated on a cross-functional team of engineers, product managers, a user researcher, and a visual designer.
Technologies: Sketch, Low-fidelity Prototypes, High-fidelity Prototypes, Interactive Prototypes, User Experience (UX), User Interface (UI), User Flows, Prototyping, Mobile UI, Mobile Design, UX Design, Agile, Rapid Prototyping, Visual Design, User Research, UI Design, Web App Design, Responsive Web Design (RWD), User Interviews, Illustrator CC, Photoshop CC, iOS App Design, Wireframing, UI Components, Mobile App Design, Android App Design, Tablet Design, Personas, User Scenarios, User-centered Design (UCD), Interaction Design (IxD), User Journeys, Iterative Design, Presentations, Jira, Design Systems, Mind Maps, Design Libraries, Landing Page Design, B2C, User Onboarding, Communication, Responsive Design, Music Streaming, Research, UX Wireframes, Mobile Applications, Storytelling, Design, Brand Design, Product Strategy, Usability Testing, Stakeholder Management, Design Leadership, Web Design, Microsoft PowerPoint, Apple Keynote, Branding, Icon Design, Style Guides, Consumer Products, Web, Mockups, Mobile, Microinteractions, iOS, Animation, Adobe Illustrator, Graphic Design, Information Technology, Marketing Design, UI Style Guides

UI Designer

2011 - 2013
Disashop
  • Designed the corporate website, interactive banners for clients such as Vodafone and Orange, and newsletters using HTML and CSS.
  • Redesigned a web application that allows users to top up their mobile phones in multimedia kiosks.
  • Created style guides to hand off to the development team.
  • Designed the company's eCommerce to be implemented in the Magento platform.
Technologies: Magento, Flash ActionScript, Flash, Low-fidelity Prototypes, High-fidelity Prototypes, Interactive Prototypes, User Experience (UX), User Interface (UI), User Flows, Prototyping, UX Design, Rapid Prototyping, Visual Design, UI Design, Web App Design, Responsive Web Design (RWD), Illustrator CC, Photoshop CC, Tablet Design, User-centered Design (UCD), Presentations, CSS, HTML, Mind Maps, Design Libraries, Landing Page Design, B2C, Redesign, Communication, Motion Design, UX Wireframes, Design, Brand Design, Usability Testing, Stakeholder Management, Web Design, Microsoft PowerPoint, Apple Keynote, Branding, Icon Design, Style Guides, Consumer Products, Web, Mockups, Microinteractions, Animation, Advertising, Adobe Illustrator, Graphic Design, Marketing, Information Technology, Marketing Technology (MarTech), Marketing Design, Sales & Marketing, Content Management Systems (CMS)

Web Designer

2010 - 2011
Cambur
  • Crafted digital experiences for fashion and entertainment sectors.
  • Designed an interactive fitting room to help users try their clothes without touching them in an eCommerce context using Flash and ActionScript.
  • Designed branding materials such as brochures and marketing banners.
Technologies: Illustrator CC, Photoshop CC, Adobe Flash, ActionScript 3, Content Management Systems (CMS)

Web Designer

2009 - 2010
CIP Consultores
  • Developed three websites for luxury restaurant companies, utilizing ActionScript and Flash to craft engaging interactive experiences.
  • Photographed the restaurant menu dishes and the wedding and corporate event venues.
  • Designed branding collateral such as brochures and marketing banners.
Technologies: ActionScript 3, Flash Pro, Illustrator CC, Photoshop CC, CSS, HTML, JavaScript
2015 - 2016

Master's Degree in UX Design

Open University of Catalonia - Online

2010 - 2011

Master's Degree in Programming Digital Arts

Pompeu Fabra University - Online

2003 - 2008

Bachelor’s Degree in Audiovisual Communication

University of A Coruña - Coruña, Spain

FEBRUARY 2024 - PRESENT

AI Foundations for Everyone

IBM

JANUARY 2024 - PRESENT

Introduction to Data Science Specialization

IBM

JANUARY 2024 - PRESENT

Google Data Analytics Professional Certificate

Google

AUGUST 2016 - PRESENT

Interaction Design Specialization

University of San Diego

Tools

Miro, Google Forms, Hotjar, Figma, Sketch, Lookback, Marvel App, Jira, Illustrator CC, Photoshop CC, Microsoft PowerPoint, Apple Keynote, UsabilityHub, Google Analytics, Zeplin, Google Sheets, Framer X, Usertesting.com, Flash, Tableau, Autodesk Maya, Adobe Illustrator, Adobe Flash, Flash Pro

Industry Expertise

Consumer Products, Information Technology, Advertising, Marketing, Retail & Wholesale, Creative Tech, Sales & Marketing

Platforms

Web, Mobile, Mixpanel, Music Streaming, Lyssna, Axure, Magento, Firebase, iOS, Android

Languages

CSS, HTML, Flash ActionScript, R, SQL, Python, JavaScript, ActionScript 3, PHP

Other

Mobile UI, Mobile Design, UI Design, UX Design, Web App Design, Web Design, Responsive Web Design (RWD), Agile, Agile Sprints, Customer Journeys, Presentations, User Journeys, Low-fidelity Prototypes, High-fidelity Prototypes, Interactive Prototypes, Iterative Design, Journey Mapping, User-centered Design (UCD), User Interviews, Wireframing, Rapid Prototyping, Mind Maps, B2B, UI Components, User Testing, B2C, Redesign, Website Redesign, Communication, Responsive Design, Component Libraries, Landing Pages, Interaction Design (IxD), User Experience (UX), User Interface (UI), User Flows, Prototyping, Product Design, UX Strategy, User Research, Qualitative Research, Quantitative Research, Business to Business to Consumer (B2B2C), Usability, Lean UX, Research, UX Wireframes, Design, Product Strategy, Usability Testing, Stakeholder Management, Design Leadership, Discovery, Mockups, MVP Design, UX Research, Software as a Service (SaaS), SaaS, SaaS Design, Conversion Rate, eCommerce, Design Workshops, iOS App Design, Optimal Workshop, Design Libraries, Marketing Platforms, Information Architecture (IA), Mobile App Design, Landing Page Design, Android App Design, Quantitative User Research, User Onboarding, Motion Design, Chatbots, Metrics, Conversational Interfaces, Personas, User Scenarios, Voice User Interfaces (VUI), Visual Design, Design Systems, A/B Testing, Artificial Intelligence (AI), Service Design, Design Thinking, Mobile Applications, Storytelling, Brand Design, Conversational UX, Midjourney, OpenAI, Style Guides, Microinteractions, Data Visualization, Marketing Technology (MarTech), User Personas, Dashboard Design, Enterprise SaaS, UI Style Guides, Design Sprints, Proximity Marketing, Image Recognition, Proximity Technology, Bluetooth Beacons, Tablet Design, Google AdWords, Data Analysis, Data Science, 3D Modeling, Video Scripts, Branding, Icon Design, Animation, Graphic Design, Conversion Rate Optimization (CRO), Marketing Design, Dashboards, Guidelines, Mobile Apps, Logo Design, Content Management Systems (CMS)

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