Empleos de senior backend java engineer remote en Barcelona

Fliff is the arena for high-upside play. We are dismantling the paywalls of legacy sportsbooks and reimagining the economics of social games to pioneer the next generation of rewards-driven entertainment spanning sports, casino, predictions, collectibles, and beyond. Powered by a frictionless freemium architecture, Fliff democratizes access and gives...

About WorkatoWorkato is the leading Control and Execution Platform for Enterprise AI — the neutral platform enterprises trust to put AI to work across their business. Workato unifies data, applications, and processes into a single platform so AI can reliably orchestrate business processes in production at enterprise scale. Built on more than a decade of...

Join Impress – Europe’s Leading Health-Tech Innovator! We believe everyone deserves a smile they’ll love. As the largest Ortho clinic chain in Europe, we combine cutting-edge tech with expert care, revolutionizing invisible orthodontics since 2019. With 150+ clinics across 10 countries and rapid growth, we’re improving lives worldwide. We are looking...

Scopely is seeking a Senior Engineer to join the Monopoly GO! team in Barcelona on a hybrid basis. You will design, develop, and scale gameplay systems, tools, and pipelines, owning features from design through live operations.Collaborate with designers, artists, data analysts, and engineers to continually improve the player experience, build performant...

Dow Jones is seeking a Senior Machine Learning Engineer for its Barcelona-based Search team. You will design and build scalable search and recommendation systems powering content discovery for millions of readers in real time.The role sits at the intersection of backend engineering, data, and AI. You will collaborate with product, data science, and...

En JAKALAayudamos a las organizaciones a crecer combinando datos, inteligencia artificial, tecnología y negocio. Contamos con más de 3.400 profesionales en 21 países que trabajan cada día para transformar la información en decisiones y las decisiones en resultados. Actualmente buscamos un/a Data Engineer Senior Consultant. Para este rol necesitamos un/a...

Senior Performance Engineer | Barcelona | Híbrido En Claire Joster acompañamos a las organizaciones en la identificación y selección de talento cualificado para posiciones de Mando Intermedio y Management en el ámbito tecnológico. Trabajamos siempre poniendo en el centro a las personas, entendiendo tanto la cultura como los valores de cada compañía y...

Una empresa final con más de 40 años de trayectoria nos ha confiado la búsqueda de varios profesionales Java para incorporarse a proyectos tecnológicos propios, estables y con recorrido. Esta oportunidad puede encajar contigo si... Cuentas con al menos 5 años de experiencia laboral en entornos Java. Has trabajado en aplicaciones de negocio. Tienes...

We are looking for a Senior Software Engineer - AI Product development to join our Cortellis CMC team in Barcelona and help build the next generation of AI-powered solutions for the pharmaceutical industry.In this role, you will design, develop, and operate scalable backend services, data pipelines, and AI-driven capabilities that power regulatory...

DotGainen Consulting busca un Cybersecurity Engineer con al menos 3 años de experiencia para diseñar e implementar soluciones de ciberseguridad en entornos complejos. Trabajará en proyectos de infraestructuras, cloud y seguridad, colaborando con clientes y el equipo técnico.La posición es híbrida (3 días en oficina y 2 remotos) y ofrece autonomía...

Preply in Barcelona is seeking a senior backend engineer to design and build scalable AI-powered backoffice systems. You will contribute to agentic workflows, integrate AI with codebases, and collaborate across Engineering, Product, Design and Data.Bring ~8 years of backend experience, strong Python, and hands-on AI agent experience. You’ll prototype...

We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M...

About UsPerk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time-consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating this shadow work that wastes hours, erodes morale, and saps innovation,...

Requisitos Imprescindibles Más de 4 años de experiencia como Fullstack Developer. Formato: 100% remoto SBA: 30 K Duración: Larga duración Prioridad: Crítica Requisitos Imprescindibles Más de 4 años de experiencia como Fullstack Developer. Perfil Java-heavy, con fuerte orientación backend. Java + Spring Boot: mínimo 4 años (bloqueante). API...

As you contemplate your future, you might be asking yourself, what’s the next step? Start your journey with us!We are looking for a backend architect to join the architecture team in charge of our systems. As one of Europe's top e-commerce sites, our platform serves millions of daily transactions in 40+ countries and has very demanding requirements in...

Since we are a start-up and the fact that we put our employees first, you can always grow and peek beyond your role so that continuous personal development is guaranteed. In the emerging blockchain space we are trying to become a warden of sustainability and the core values of the space (trust, decentralization, fairness, equality) combined with high quality...

Join to apply for the Senior Quantum Measurement Engineer role at Qilimanjaro Quantum Tech. Qilimanjaro Quantum Tech is seeking a Senior Quantum Measurement Engineer to join our team in advancing the development, control, and characterization of superconducting quantum processors. The ideal candidate brings deep technical expertise in superconducting...

AI Backend Engineer - PYTHON / AZURE / GENAI AI BACKEND ENGINEER PYTHON / AZURE / GENAI / RAG Barcelona Modelo híbrido (3 días oficina + 2 remoto) Tecnologías: Python Azure GenAI LLM RAG¿Te apasiona la Inteligencia Artificial y quieres trabajar en proyectos donde la IA no se queda en un prototipo, sino que llega a producción? Buscamos incorporar un/a AI...

Titan OS), the Barcelona-based technology, entertainment, and advertising company is looking for you! We are looking for a Senior Backend Engineer - Go with a deep understanding of server-side technologies and a passion for building highly scalable systems that power industry-leading applications. You will be responsible for designing, developing, and...

Reference: 54987Posted: 2026-08-28Location: Barcelona, ESPCategory: Software Product EngineeringCompany: Dow JonesJob Description:About the Team:Our Technology team drives the evolution of our Technology, Engineering, Data, Product and User Experience functions. With a keen focus on delivering cutting-edge solutions, we shape the digital landscape for our...