Senior Frontend Web Developer

We offer you the opportunity to join the leading Spanish company in the IT sector, with more than 25 years of experience and one of the most solid track records as a provider of technological solutions for companies.

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We are a growing company with more than 400 employees and offices in Logroño, Madrid, Barcelona, Seville, Bilbao and Valencia.

Since August 2013, we have been part of the IONOS Group, Europe's leading digitalisation partner for small and medium‑sized companies.

In short, we are a multicultural team that’s passionate about technology, bringing our professional experience from over a dozen countries: Germany, Argentina, Spain, the United States, France, the Philippines, Italy, Poland, Portugal, the United Kingdom, Romania...

You want to contribute your fresh ideas and learnings to the Ionos team for the benefit of a unique user experience for our global customers, participate in the development of innovative features and optimize existing features? It is important to you to work independently with room for creativity and within an agile and interdisciplinary team and to develop yourself further? Then bring your talent to Ionos, design, code and implement together with us, and let's take our frontend to the next level together!

Our backends are services based on Spring Boot and Apache Camel, which are addressed via REST or message queues.

At Sedo, we integrate a variety of third‑party products and use the APIs from providers like Google cloud platform or AWS and 1&1.

A high code quality is extremely important to us. We therefore take our test code just as seriously as our production code.

With our central continuous delivery system, we can roll out new software in different environments several times a day. For this we use, among others, Git, Helm and Jenkins. Simply through merging and tagging.

We mainly operate our applications as Docker containers in a private cloud managed Kubernetes cluster.

We use central logging (ELK), Prometheus, Grafana and Icinga for analysis, metrics and monitoring of our productive operations.

Responsibilities:

Sharing responsibility for the creative design of our marketplace and other Ionos websites

Designing and creating UIs for new applications as well as customizations, depending on UX feedbacks and research

Continuous modernization of our software, processes and tools in collaboration with designers and backend developers

Developing and implementing reusable and solid responsive frontend components

Identifying and troubleshooting performance and maintenance issues

Being up-to-date on front-end technologies and best practices to enhance our tech stack

Actively participating in agile work processes

Qualifications:

Avalaibility to work 3 days in our offices located in Alcobendas

Great passion for front-end system development, its scalability and high-performance applications, as well as their continued development

Nice-to-have: experience with mobile-first development and responsive layouts

3+ years of relevant front-end web development experience

Flair for design and user-friendly web interfaces

Up-to-date with new design trends and frameworks

Curiosity for technical innovations, hands‑on mentality, creativity and ability to work in a team

Fluent English, German as a plus

Successfully completed studies in media informatics and/or successfully completed training as a media designer, comparable qualifications, or career changer with relevant professional experience

What we offer if you decide to join our team:

Fixed salary and flexible benefits include health insurance, daycare allowance, and meal vouchers.

Flexible working hours to organize your schedule according to your needs.

Hybrid work format in our offices in Alcobendas.

Invitation to our Arsys/IONOS events held twice a year, where we team build and throw a great party for our employees.

Personalized training in cutting‑edge technologies, certifications, or any area that interests you.

Various employee discounts for activities and products.

We have a motivated, innovative team that is continuously learning. A culture where your opinion and initiative matter. We want to hear your ideas and see you put them into practice.

Are you ready to take the next step in your career and make a difference in an innovative company? xcskxlj Then apply now and become part of our dynamic, international team!

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