Senior Frontend Developer

Ventura24, SLU

En remoto


We create a better world of lottery.
Through innovation, digitalisation and entertainment because we believe in the excitement of aspirational dreams.
The Zeal Group is one of the world’s leading interactive lottery companies specialized in the area of online lottery. We offer consumer facing lottery-based games as well as business to business solutions. We have about 300 exceptionally talented people from 28 different nationalities in three locations (London, Madrid, Hamburg). Although publicly listed we live and embrace a start-up culture – and the idea that every ZEAL employee acts and feels like an owner.
Ventura24 is part of Zeal Group and is the leading online company in management of state lotteries in Spain, it has more than 700,000 customers in Spain.

About the role:

We are searching for a freelance Frontend Developer to work in the frontend part of different online e-commerces that are part of the Zeal group.

• Develop with Agile Methodologies (Scrum) and be part of a scrum team
• Contribute with solutions to the company technological strategy, committing to the quality standards, design rules and architecture.
• Carry out senior frontend developer tasks.


• Experience in agile development methodologies (Scrum or Kanban)
• Experience in web technologies:
• HTML5 and CSS3
• JavaScript: JQuery, RequireJS, Validate.js
• Responsive Web Design
• Css frameworks such as Bootstrap or Foundation
• Css preprocessors such as LESS or SASS
• Web performance optimization
• Version Control software such as Git
• Excellent skills solving complex problems in a highly dynamic environment.
• Good level of English language, preferably having worked in multicultural environments.

Nice to have:

• Experience with Angular or React.
• Familiar to Java technologies: Spring MVC, Spring web flow, JSP
• Web design and knowledge of Adobe Creative Suite tools.
• User Experience:
• User tests experience.
• Low and high definition prototyping with Sketch.

Our fun and friendly atmosphere, and international feel, makes our office an enjoyable and diverse place to be. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

¿Cómo apuntarse?

Entra o crea tu cuenta para consultar los datos de contacto de esta oferta.


Senior Frontend Developer
Ventura24, SLU
En remoto
A convenir
Calle Leganitos, 47, planta 2