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William Mattey

Web Designer & Graphic Designer UI/UX & Marketing

Works remotely from Barcelona

  • 41.400347
  • 2.159592
  • Suggested rate ā‚¬350 / day
  • Experience 7+ years
  • Response rate 100%
  • Response time 2 hours
Propose a project The project will begin once you accept William's quote.

This freelancer has confirmed part-time availability (Evenings & weekends) in the past 7 days.

Part-time, Evenings & weekends

Propose a project The project will begin once you accept William's quote.

Location and workplace preferences

Barcelona, CT, Spain
Remote only
Primarily works remotely


Project length
  • ≤ 1 week
  • ≤ 1 month
  • Between 1-3 months
  • Between 3-6 months
  • ≥ 6 months
Business sector
  • Arts & Crafts
  • Automobile
  • Banking & Insurance
  • Aviation & Aerospace
  • Wine & Spirits
+46 other
Company size
  • 1 person
  • 2-10 people
  • 11 - 49 people
  • 50 - 249 people
  • 250 - 999 people
+2 other


Freelancer code of conduct signed
Read the Malt code of conduct

Verified email



Behance : willo___o willo___o
  • 2179 Appreciations


  • English

    Native or bilingual

  • Spanish

    Native or bilingual

  • French

    Native or bilingual

  • Italian



Skills (28)

William in a few words

LANGUAGES: English, French, Spanish, Italian šŸ‡ŖšŸ‡øšŸ‡«šŸ‡·šŸ‡¬šŸ‡§šŸ‡®šŸ‡¹

šŸ’»Are you looking to update your page and/or brand to be more relevant and modern?
I have over 10 years of experience in web design, copywriting and graphic design, I have worked with clients across the globe, from France, Spain, England, and the States, covering a wide array of sectors, and for companies and brands of all sizes.

From major corporations to small businesses. Although the needs and wants of each client vary, and algorithms change, there are fundamental rules to making a webpage efficient. From capturing potential customers, retaining their attention, and finally, getting a conversion, your webpage must be fully optimized, responsive, and appealing to your desired demographic. Whether you want a landing page for a specific product, service, or goal, or a complete webpage, covering your whole company, I can help you through every step of the way, from conception to launch.

Contact me today, and let’s get your page up and running.



Criteo - CRITEO

Software Publishing

Senior Creative  - As a freelancer

Barcelona, CT, Spain

December 2022 - Today (3 months)

Designing graphic content, illustrations, and infographics.
Managing graphic designs from conception to delivery.
Generating fresh concepts.
Ensuring brand consistency throughout various marketing projects.
Liaising between the marketing and design teams.

Inbound Colours

UX/UI Designer for Webpage Redesign  - As a freelancer

Barcelona, CT, Spain

January 2023 - February 2023

Proposal for a Responsive Web Redesign.
Homepage + Product design.


Web Designer & Graphic Designer + Ecommerce  - As a freelancer

October 2022 - December 2022 (1 month)

Web Design and Ecommerce Layout + Graphic Design for Elixir Music Experience.
A management and scouting agency with an international roster of DJs.

La Leocadia x Museo Prado

Arts & Crafts

UI/UX Designer + Graphic Designer  - As a freelancer

Madrid, Spain

October 2022 - November 2022 (1 month)

I designed the mobile website for audio guides in the Prado Museum. The project required a navigable and clear sitemap and user experience. Media heavy, but fast to load and light. Tasks and innovations for the project:
Interactive Map designed with SVG & HTML
MP3 Playing Posts, with toggle bars, lock-screen functionality and ease-of-use.
Branding & Graphic Designs to set an identity and style.
Advertising graphics and material for promotions
Formats and tools used: SVG, HTML, CSS, JSON
Adobe Illustrator, Dreamweaver, Photoshop, Wordpress, Unl.Elements.

F*CKOFFEE Specialty Coffee


CreaciĆ³n de Marca + DiseƱo Logo + DiseƱo Web

Europe Sud, France

June 2022 - October 2022 (4 months)

Para esta marca:
- Diseñé el Logo
- Branding y Identidad de marca
- Diseño de producto
- Diseño gráfico
- Diseño web y diseño de páginas de aterrizaje para marketing
- Brand Strategist.

W10 Creative Collective


Brand Designer  - As a freelancer


November 2021 - Today (10 months)

I was involved in a handful of brand and product design projects with different corporations and agencies in Europe. Including: Product Design, Branding and Web Design for a nootropic supplement from a Swiss Laboratory Web Design, Graphic Design and 3D rendering of a conceptual mobile device for a major telecommunications corporation Landing Pages for various Scientific and Educational Projects in France. Online Marketing Strategy, Brand Identity and Graphic Designs for a cultural Centre in Spain. Web Design, Graphic Design & 3D rendering, Video for an international CoWorking space.

W10 Creative Collective

Travel & Tourism

Web Designer  - As a freelancer


October 2021 - Today (11 months)

Various web designs for clients across Europe, varying in sizes and sectors. From large multi-national corporations, to small businesses, online businesses and pre-launch concepts and brands. Of these webpages, I will highlight a selection that I believe best reflect the range of ability, style and tools used. Of which: Online Vintage Clothes Store / Ecommerce: Responsive web design, including branding & Graphic Design International Pub & Restaurant in Andorra: Revamp of the webpage and creation of new logo & Menu Landing Pages for various scientific and educational projects, courses and talks. Landing pages for hard-cased mobile devices for the construction industry Web Design for an international Coworking Space


Film & AV

Graphic Designer & Illustrator  - As a freelancer

London, UK

June 2022 - August 2022 (2 months)

I was asked to provide some graphic designs and illustrations for a popular Youtube channel that documents infamous crime stories. Being quite a delicate topic, some of the illustrations, on one hand, were of notorious, infamous and quite vile people, but on the other, I also got the chance to draw the heroes of the story.

Bouygues Construction - Bouygues Construction


DiseƱo Web + Landing + Logo y Branding  - As a freelancer

Paris, France

September 2021 - June 2022 (8 months)

I was the lead web designer on a project for Bouygues Construction. The company was texting a product for the market, and I designed the web pages, designed the logo and brand identity, and helped render 3D images and videos of the product.


Head of Events

February 2021 - July 2022 (1 year and 5 months)

The Freelance Finder

Digital & IT

Co-Founder. + DiseƱo Web

London, UK

November 2020 - January 2022 (1 year and 2 months)

Diseñe la página web para esta plataforma de trabajo Freelance.

Network yacht brokers valencia

Digital Marketing Executive  - As a freelancer


January 2020 - January 2021 (1 year)

Responsible for planning, developing, and implementing the overall digital strategy for the agency.

Network yacht brokers valencia

Freelance Photographer  - As a freelancer

Valencia, Spain

February 2019 - November 2020 (1 year and 9 months)


Event Coordinator

Madrid, Spain

February 2018 - February 2019 (1 year)

LocoWeekend expanded into the world of events, music, and meetups. With nearly 2 years of discovering and recommending great, unique venues to our growing public, we decided to start creating events, to highlight said venues even more, but in a more fun and social way. By working in collaboration with brands, venues, and artists, the events bring together talent and quality to an international public and audience.



Madrid, Spain

November 2017 - February 2019 (1 year and 3 months)

Content Writer and Content Strategist for LocoWeekend. Writing articles on topics such as Nightlife, Culture, Food, Gastronomy, Travelling and more.




Madrid, Spain

January 2017 - February 2019 (2 years and 1 month)

-LocoWeekend is Madrid's Anti Tourist-Trap Magazine. A magazine created to offer honest and specific information about businesses in the Spanish Capital. Using various platforms from webpages to social media, content is delivered via photography, videos, and catchy texts and articles to engage the audience and help them discover the most unique places in town. Promoting the bars, clubs, and businesses that dare to be different and unique, overshadowing the common tourist traps.
Webdesign UI Web Design ux designer pƔgina web wordpress web designer logo graphic design

English School Spain


Madrid, Spain

January 2015 - January 2017 (2 years)

Managing an international team of teachers, of Spanish, French, English and Italian. Specialising in one-to-one classes of general English, French, Italian and Spanish, and Exam Preparations.
-Selling courses over the phone and in person.
-Helping teachers with class preparation if needed.
-Helping students with upcoming exams with last minute tips and advice based on their strengths.

Valencia 247

Freelance Columnist

Valencia, Spain

February 2015 - February 2016 (1 year)

Monthly article about Valencia's Club scene for an English Speaking Magazine.

Agencia Marketing OnLine Valencia

Digital & IT


Valencia, Spain

April 2014 - January 2015 (9 months)

-Devising strategies to drive online traffic to the company website.
-Tracking conversion rates and making improvements to the website.
-Developing and managing digital marketing campaigns
-Utilising a range of techniques including paid search, SEO and PPC.
-Overseeing the social media strategy for the company.
-Managing online brand and product campaigns to raise brand awareness.
-Managing the redesign of the company website.
-Improving the usability, design, content and conversion of the company website
-Responsibility for planning and budgetary control of all digital marketing
-Evaluating customer research, market conditions and competitor data.
-Review new technologies and keep the company at the forefront of developments in digital marketing.
web design branding ui designer ux designer landing page pƔgina web graphic design logo

English School of Spain

Language Teacher

Valencia, Spain

January 2010 - July 2013 (3 years and 6 months)

Teaching English of all levels in one-to-one classes. From general english, to business and exam preparations (FCE, TOEFL, IELTS, CAE, CPE)

English School of Spain


Barcelona, Spain

January 2010 - January 2011 (1 year)

Managing an international team of teachers, of Spanish, French, English and Italian. Specialising in one-to-one classes of general English, French, Italian and Spanish, and Exam Preparations.

9 projects on Malt

(8 ratings)

Equipo De - Loca Sabiduria


William me ha desarrollado unas ilustraciones para la creaciĆ³n de un producto en multitud de formas, ideas, colores, etc. La comunicaciĆ³n ha sido excelente, ha ido teniĆ©ndome en cuenta en cada avance del trabajo y asĆ­ el resultado se ha ajustado a mis deseos. Todo ha ido fluĆ­do, rĆ”pido y buenos resultados. Gracias William

Inbound - Inbound Colours


Muy conformes con el trabajo de William, ha sabido captar la esencia del proyecto y trasladarla a su propuesta de diseƱo.



Muy profesional y agradable



Muy profesional!

Nadia - Libre Foods


La comunicaciĆ³n con William ha fluido sĆŗper bien y en cuanto a diseƱo grĆ”fico, animaciĆ³n y desarrollo web ha clumpido totalmente mis expectativas. Es muy proactivo a la hora de recomendar soluciones y tambiĆ©n muy abierto a escuchar. Para trabajo web lo recomiendo sin duda. Ā”Gracias por todo, William!

Thomas Philippe Noel - EE102156920


Muchas gracias a William, todo fue muy claro desde el inicio y me ahorre 1 mes de trabajo gracias a su talento que fue mƔs que lo que esperabƔmos tanto sobre el contenido que la velocidad. lo recomiendo sin duda.

Theo - Beyond Growth


Will worked for some of our professional support as a graphic designer. He is a really serious and creative element. It was a real pleasure to work with him and I will definitely call him again.

Pablo Fernandez -


William se volcĆ³ con el proyecto y elevĆ³ enormemente la calidad de lo que querĆ­amos. AdemĆ”s de resolver lo que necesitĆ”bamos, aportĆ³ continuamente soluciones creativas a los problemas. Su dedicaciĆ³n fue total y mostrĆ³ un gran compromiso para ayudarnos a conseguir una web profesional y de alta calidad. Su visiĆ³n estĆ©tica y sus conocimientos y experiencia han sido claves. Lo recomiendo y volverĆ© a trabajar con Ć©l.


Freelancer groups

W10 Creative Collective

3 members