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Web Designer & Frontend Specialist / UX-UI

On-site in Madrid·Full-time·Added yesterday (last checked 12 Oct)

Grupo Planeta

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Overview

Work mode: On-site, Madrid
Contract: Permanent contract, full-time hours
Experience: 2+ years
Benefits: Private health insurance, flexible pay plan, meal vouchers

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Skills

This job advert was originally written in Spanish.

Pay & benefits

What you'll get

Stable contract: Permanent and full-time.
Exclusive discounts and promotions for our employees (masters and postgraduates, publishing imprints, collectibles, Casa del Libro...).
An attractive social benefits package through the flexible remuneration plan that includes: transport card, restaurant card, nursery voucher, medical insurance, etc.

If you think this is your job opportunity, we encourage you to apply and become part of our team!

The role

At Grupo Planeta we are looking to hire a Web Designer & Frontend Specialist/ UX -UI for the Digital Excellence department within the Training and Universities division, either in Madrid or in Barcelona.

We are looking for a frontend developer profile with experience in digital environments focused on lead generation and a strong command of web programming languages (HTML, CSS, and JavaScript), who will be responsible for building and implementing optimization experiments (A/B testing) on the digital assets of the group's various institutions.

This role will be key to executing the defined CRO strategy, bringing test variations into production with agility, ensuring visual quality, UX consistency, and proper technical functionality.

What will your day-to-day look like?

What you'll do

Develop frontend solutions (HTML, CSS, JavaScript) to implement improvement hypotheses.
Design and build A/B test variations (landing pages, forms, modules, CTAs, etc.) in AB Tasty.
Translate CRO hypotheses into visually optimized conversion experiences.
Collaborate with the CRO and analytics team to define tests based on data from Google Analytics 4 and Microsoft Clarity.
Ensure proper rendering and functionality of tests across different devices and browsers.
Iterate quickly on existing designs based on experimentation results.
Ensure visual consistency and user experience across all the group's institutions.
Work cross-functionally with marketing teams, CMS managers, and stakeholders from each school.

Requirements

What would we like to see on your CV?

Mastery of HTML, CSS, and JavaScript (essential for test implementation).
Minimum of 2-3 years of experience in web design and frontend development applied to business.
Experience with A/B testing tools, preferably AB Tasty (or others such as VWO, Optimize, etc.).
Strong UX/UI knowledge focused on conversion.

You would be a good fit if you consider yourself a person who...

Ability to work on multiple projects simultaneously (multi-brand / multi-site).
Detail-oriented with a focus on visual quality and performance.

What do we offer?

About Grupo Planeta

Grupo Planeta is a major Spanish media and publishing conglomerate headquartered in Barcelona. It operates across publishing, education, audiovisual production, and communication, and is one of the largest Spanish-language publishing groups in the world. The group includes well-known imprints such as Editorial Planeta, Espasa, and Ariel, and also owns a network of higher education institutions, including UNIE Universidad, EAE Business School, and the International University of Valencia (VIU). With a workforce of several thousand employees, Grupo Planeta is a significant player in the Spanish-speaking media and education landscape.

In Spain, Grupo Planeta has a strong presence in Barcelona and Madrid, with additional operations in Valencia and other cities. Its education division is a major employer of academic staff, offering roles for university lecturers, program directors, and administrative and commercial positions across its various schools and universities. For international professionals, the group offers opportunities in teaching, academic management, and corporate functions, with some roles requiring multilingual skills, particularly in French and English. The company's culture is rooted in Spanish business traditions, and it provides a stable, established work environment within the media and education sectors.

Industry: Media & Publishing
Founded: 1949
Employees: 5,000–10,000
Headquarters: Barcelona, Spain
In Spain: Barcelona, Madrid, Valencia
Website: planeta.es

Good to know if you are moving

Grupo Planeta is headquartered in Barcelona, a major European hub with a large international community and excellent connectivity.
The group's education division hires university lecturers and academic staff, often requiring a PhD or equivalent, and offers opportunities for international academics to teach in Spanish or English.
Some commercial and administrative roles require multilingual skills, particularly French and English, which can be an advantage for international candidates.
The company operates several universities and business schools, including EAE Business School and UNIE, which have a diverse student body and international programs.
Spain's job market for academic roles often values Spanish language proficiency, but some positions, especially in business schools, may be open to English-speaking professionals.

In their own words

About the company & team

We are Spain's leading editorial and communications group, family-owned, that leads a broad offering serving culture, education, information and audiovisual entertainment, with a presence in more than 20 countries, connecting with 25 million people every day. All Grupo Planeta professionals and companies share principles based on people, ethics, quality and excellence at work.

We invite you to get to know us!

Additional information

At Grupo Planeta we offer equal opportunities. We are committed to treating all applications equally based on their abilities, achievements, and experience, regardless of race, nationality, sex, age, disability, sexual orientation, gender identity, or any other characteristic protected by law.

All open roles at Grupo Planeta