Empleos de senior backend engineer en madrid

Backend Engineer – AI Integrations Location: Remote (Madrid Hybrid)Department: Engineering About Vic.ai Vic.ai is building the future of autonomous accounting using AI. We help finance teams eliminate manual invoice processing and unlock real-time financial intelligence by combining advanced machine learning, OCR, and scalable backend systems. Our platform...

Your mission As a Senior Backend Engineer at Playtomic, you will be responsible for developing robust and scalable solutions for our product, ensuring high performance, consistent and secure transactions. In Playtomic we operate in pods. A pod is a small, cross-functional team that owns a domain end-to-end: it takes a framed problem, makes the key...

Impulsa la arquitectura backend del futuro con Java y sistemas distribuidos En Initium Software conectamos al mejor talento técnico con los proyectos más desafiantes e innovadores del mercado. No somos una consultora tradicional; somos socios estratégicos que creemos en el impacto real a través de la tecnología. Buscamos un Senior Backend Engineer...

Senior Backend EngineerEs esencial asegurarse de que cumple con los requisitos como solicitante para este puesto; por favor, lea atentamente la información a continuación.TypeScript | Node.js | Go | AWS | Kubernetes | Kafka | PostgreSQLWho is Parser?Build the next generation of conversational AI experiences powered by real-time data, event-driven...

Se busca un Ingeniero Backend Senior para diseñar, construir y evolucionar la arquitectura backend de una plataforma de IA multimodal. Liderará decisiones técnicas, APIs escalables y sistemas en tiempo real sobre Google Cloud.

Our mission is to enable everyone to build wealth.We reinvent how trading and investing work by creating exceptional products people love.That takes high standards, high velocity and engineers who own what they ship.Today, we serve over 6 million clients, with more than €38 billion in assets under management - a testament to the scale and trust we have...

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.We're building the AI-native GTM platform for modern B2B teams, combining prospecting, enrichment, intent signals, AI research and...

Why this role mattersJOIN helps thousands of businesses find the right people — faster, fairer, and with less friction. Our platform handles millions of candidate interactions, and our clients praise JOIN’s attention to detail and unmatched user experience.We’re looking for a Backend Engineer to join our established engineering hub in Spain. You’ll...

Macadam is a movement powered by over 15 million users who walk every day with us. We’re here to make walking more rewarding, engaging, and consistent - not just a habit, but something people genuinely enjoy.Rooted in thoughtful design, our approach helps people stick with healthier routines by making them feel simple, motivating, and fun. As we grow,...

¿Buscas tu próximo reto profesional? ¿O simplemente estás echando un vistazo? Tanto si te ha traído hasta aquí la curiosidad como la ambición, ¡Avantio podría ser exactamente lo que estás buscando!¿Quiénes somos?No queremos aburrirte con la típica biografía interminable de empresa. ¡Aquí tienes un breve resumen de lo que hacemos!...

OverviewSenior Backend Engineer position at Parser, a boutique technology services and consulting firm founded in 2018. Parser helps global organisations solve complex business challenges through digital transformation, product development and AI enablement. We are a fast-growing team of 340+ engineers and consultants across Europe, the Americas, and the...

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 market...

¡Capitole sigue creciendo - y queremos que formes parte del viaje!Estamos buscando un/a Senior Back End Engineer con +5 años de experiencia para unirse a nuestro increíble equipo.Funciones:Senior Backend Engineer (Node.Js / Azure / APIs / Integración de Sistemas)Formar parte del equipo de ingeniería responsable del diseño, desarrollo y evolución del...

Join Swiss Res IT Resilience unit and contribute to building a robust, future-ready IT landscape that underpins the organisation at global scale. Our team is a diverse, internationally connected group of engineers and architects, united by a commitment to pragmatic engineering, operational excellence, and technology with real purpose. We play a critical role...

OverviewIt’s an exciting time to join us! We’re entering new markets, developing new technologies, and moving step by step towards our goal of exciting the world. As our business grows, the number of exciting people initiatives grows with it, and we’re looking for a new colleague to partner with our team to bring these to life.We are one of the largest...

Your mission As a Senior Backend Engineer at Playtomic, you will be responsible for developing robust and scalable solutions for our product, ensuring high performance, consistent and secure transactions. In Playtomic we operate in pods. A pod is a small, cross-functional team that owns a domain end-to-end: it takes a framed problem, makes the key...

We are bsport. The place to be!bsport is an all-in-one platform combining boutique fitness and advanced technology. Our platform helps our partners manage their bookings, payroll, marketing and more, to streamline operations and boost their commercial success.Since we launched in 2019, we have already achieved the following:We’ve built a community of over...

Maintaining our start-up spirit, we prioritize thorough research, swift implementation of solutions, and ensuring that every effort we make benefits our users, employees, partners, and, of course, our businessWe’re looking for a Senior Backend Engineer who thinks like a product builder, thrives in a collaborative, cross-functional environment, and is...

We are hiring for one of our clients, seeking a Backend Engineer to work on a full-time basis. The role involves designing, building, and maintaining scalable backend systems to support high-traffic applications. You will collaborate with cross-functional teams to deliver robust solutions that meet performance and reliability requirements.Key...

Join Proton and build a better internet where privacy is the defaultProton 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 Drive, Proton Pass, and Proton Calendar—tools used by...