Senior Backend Engineer Jobs in Spain

Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right . Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Dri

Senior Backend Engineer (Java) We are: Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community o

We are looking for a highly specialized Senior Backend Engineer to join our team as a technical cornerstone for one of our key UK-based fintech partners. In this role, you will be responsible for the development and maintenance of high-quality, production-grade server-side logic designed to empower

At Cirql One, we are building the foundational layer that connects enterprise data to AI: a layer that doesn't just relay information, but genuinely understands it, making business meaning explicit, trusted, and actionable at scale. The problem we're solving is deceptively hard. SAP runs the core op

At Cirql One, we are building the foundational layer that connects enterprise data to AI: a layer that doesn't just relay information, but genuinely understands it, making business meaning explicit, trusted, and actionable at scale. The problem we're solving is deceptively hard. SAP runs the core op

Meet Urban Sports Club We are among the leading platforms for sports and wellness in Europe, dedicated to inspiring people to live active, healthy lives. With just one membership we offer access to thousands of fitness and wellness experiences across the continent. But what truly sets us apart? We b

At Cirql One, we are building the foundational layer that connects enterprise data to AI: a layer that doesn't just relay information, but genuinely understands it, making business meaning explicit, trusted, and actionable at scale. The problem we're solving is deceptively hard. SAP runs the core op

Meet Urban Sports Club We are among the leading platforms for sports and wellness in Europe, dedicated to inspiring people to live active, healthy lives. With just one membership we offer access to thousands of fitness and wellness experiences across the continent. But what truly sets us apart? We b

EPAM NEORIS, creemos que la transformación empieza por las personas. Hoy, como parte de EPAM, ampliamos nuestro alcance global y nuestras capacidades, pero mantenemos lo más importante: una cultura donde cada persona puede crecer, aportar y ser protagonista. No buscamos solo cubrir puestos. Buscamos

Senior Backend Engineer Who is Parser? Technology alone does not create impact - the right teams do. Founded in 2018, Parser is a boutique technology services and consulting firm helping global organisations solve complex business challenges through digital transformation, product development and AI

⭐ Who we are Lodgify is a fast-growing scale-up company leading the vacation rental industry. Backed by $30M in funding, our platform empowers property owners and managers worldwide to efficiently manage and grow their business through technology. Headquartered in sunny Barcelona, we're now a team o

En EPAM NEORIS, creemos que la transformación empieza por las personas. Hoy, como parte de EPAM, ampliamos nuestro alcance global y nuestras capacidades, pero mantenemos lo más importante: una cultura donde cada persona puede crecer, aportar y ser protagonista. No buscamos solo cubrir puestos. Busca

Location : Come and join us in Barcelona! We are looking for a talented and motivated Senior Backend Engineer (m/f/d) for our new Driver Onboarding team. As part of a highly skilled, cross-functional team comprising Fullstack Engineers, Backend Engineers, a Product Manager, a Product Designer, a Dat

bunch is building the backbone of private markets. We are enabling next-gen fund operations with one integrated system that combines secure data infrastructure, AI-powered workflows and expert fund services. If you value ownership, growth through real responsibility, and working with a thoughtful, a

About Remote Remote is solving modern organizations’ biggest challenge – navigating global employment compliantly with ease. We make it possible for businesses of all sizes to recruit, pay, and manage international teams. With our core values at heart and future focused work culture, our team works

About the role In this role, you’ll be responsible for developing microservices in a distributed deployment environment with an emphasis on containerisation with Docker and K8S. You won’t just be writing simple CRUD applications, but instead will be working on the core logic of complex systems that

Grafana Labs, the company behind the open observability cloud, is founded on the principles of open source, open standards, open ecosystems, and open culture. Grafana Cloud, our fully managed observability platform, is flexible and built for scale. With Grafana Cloud's actually useful AI, organizati

Our Mission: Why Lighthouse? At Lighthouse, we’re on a mission to revolutionize commercial strategy as hospitality’s most powerful AI platform. We take the world's largest hotel data network and transform it into real-time intelligence that drives action. We don't just deliver insights; we emp

Grafana Labs, the company behind the open observability cloud, is founded on the principles of open source, open standards, open ecosystems, and open culture. Grafana Cloud, our fully managed observability platform, is flexible and built for scale. With Grafana Cloud's actually useful AI, organizati

Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right . Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Dri