Senior Backend Performance Engineer

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 operations of more than 90% of Fortune 500 companies. The data...

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 operations of more than 90% of Fortune 500 companies. The data...

Join the Fotocasa Group Tech Team as an Backend Engineer! We are Fotocasa Group, Spain’s real estate tech leaders. Now part of the Scout24 Group, we are stronger than ever. We are combining our local market expertise with the power of a leading European digital ecosystem. Our mission: to connect people and homes through intelligent tools and the best...

LearnWise AI is an AI-first scale-up building virtual assistants, instructor efficiency tools, and student engagement solutions for universities and colleges. We're a small team moving fast: the best idea wins no matter who says it, and every hire owns real scope from day one.About LearnWiseLearnWise AI is an AI-first scale-up building virtual assistants,...

Join one of Southern Europe’s fastest-growing startups Enginy is a Barcelona-based startup and one of Southern Europe’s fastest-growing companies ranked #3 in the Sifted 100: Southern Europe 2026, and we’re just getting started. We’re building the AI-native GTM platform for modern B2B teams, combining prospecting, enrichment, intent signals, AI...

Join one of Southern Europe's fastest-growing startupsEnginy is a Barcelona-based startup and one of Southern Europe's fastest-growing companies ranked #3 in the Sifted 100: Southern Europe 2026, and we're just getting started.Descubra si esta oportunidad es adecuada para usted leyendo toda la información que sigue a continuación.We're building the...

¡Capitole sigue creciendo - y queremos que formes parte del viaje! Aunque la experiencia profesional y las cualificaciones son clave para este puesto, asegúrese de comprobar si posee las habilidades interpersonales preferibles antes de solicitar, si se requieren.Estamos buscando un/a Senior Back End Engineer con +5 años de experiencia para unirse a...

Scopely is looking for a Senior Server Engineer (Performance) to join a new truly unique multiplayer strategy game in Barcelona on a hybrid basis or remotely in the UK, Ireland, Portugal, and the rest of Spain. If you're open to working in any of these locations, there's no need to apply more than once. We'll discuss location preferences during the hiring...

About the companyShalion is a data and insights-driven company that serves world-class manufacturers and brands globally. Through our Digital Shelf Optimization, Retail Media, and Food Service Aggregators solutions, we provide innovative tools for e-commerce monitoring.At Shalion, we empower brands to make smarter business decisions in eCommerce by...