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...

Are you a Senior Backend Engineer looking for an opportunity to lead the design of the API architecture that powers our AI-driven visual recognition products? At Restb.ai, we specialize in industry-specific visual recognition, helping businesses unlock powerful insights through AI-driven automation. We don't just recognize objects (that's so 2016), we teach...

WHO WE ARE 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...

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 be...

Overview It’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...

En Thinkia somos una consultora global AI-native , nacida para la Era de la Inteligencia. No somos una consultora tradicional que incorpora IA: nuestro ADN es IA-nativo desde los cimientos. Operamos como un AI Intelligence Engine integrado en el negocio de nuestros clientes, con una misión clara — convertir organizaciones en compañías AI-First ....

Senior Backend Engineer - PaymentsAbout the opportunityYou will work in the Everyday Banking domain for the Payments team. This is where all payment and card transactions are being managed and processed by modern and high-volume systems that power the best customer experience possible. These teams make banking easy, reliable, seamless, and secure —...

Descripción del trabajoHey there! We're Fever, the world's leading tech platform for culture and live entertainment.Our mission? To democratize access to culture and entertainment. With our proprietary cutting-edge technology and data-driven approach, we're revolutionizing the way people engage with live entertainment. Every month, our platform inspires...

Why this role matters JOIN 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...

About the role The (Senior) Backend engineer is a key new appointment to Project PRISM who will work with the dedicated team to build the platform for both web and mobile access.(Senior) Backend engineer will be a can do, high achieving individual who will bring their product and domain expertise to the product, having experience of working with teams to...

ResponsibilitiesAs a Senior Backend Stack Engineer in the Core Platform Team, you’ll be a principal owner of the TMS (Translation Management System) Platform and connected services.Drive the architecture, reliability, and evolution of services covering translation workflow orchestration, vendor management, customer management, and integrations with our...

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...

About the role: As a Senior Backend Engineer, you play a crucial role in designing, developing, and maintaining scalable, high-performance backend systems that support fundcraft’s platform. You work closely with cross-functional departments, including frontend engineers and product managers, to deliver robust backend solutions that align with business...

Sobre el EquipoBuscamos un/a Tech Lead – ML/AI Engineering con una fuerte orientación a liderazgo técnico, desarrollo de negocio y preventa, capaz de impulsar el crecimiento de nuestra práctica de Data & AI.Será una persona clave en la definición de la estrategia tecnológica, la relación con clientes y la identificación de nuevas oportunidades de...

¿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!...

About the role The (Senior) Backend engineer is a key new appointment to Project PRISM who will work with the dedicated team to build the platform for both web and mobile access. (Senior) Backend engineer will be a can do, high achieving individual who will bring their product and domain expertise to the product, having experience of working with teams...

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, ambitious team, this role might be for you. Your RoleYou will...

En Thinkia somos una consultora global AI-native , nacida para la Era de la Inteligencia. No somos una consultora tradicional que incorpora IA: nuestro ADN es IA-nativo desde los cimientos. Operamos como un AI Intelligence Engine integrado en el negocio de nuestros clientes, con una misión clara — convertir organizaciones en compañías AI-First . ...

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...

Descripción del trabajoHey there! We're Fever, the world's leading tech platform for culture and live entertainment.Our mission? To democratize access to culture and entertainment. With our proprietary cutting-edge technology and data-driven approach, we're revolutionizing the way people engage with live entertainment. Every month, our platform inspires...