Empleos de senior java backend engineer remote en Barcelona

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...

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...

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 research and...

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 product/technical...

At One Span, we specialize in digital identity and anti-fraud solutions that create exceptional and secure experiences. We are looking for an experienced Senior Backend Engineer to join our Barcelona-based backend team and drive product features from conception to production with customer value at the forefront. You'll own the delivery side of our platform...

DXC Technology busca un profesional senior para administrar infraestructuras y apoyar el desarrollo de aplicaciones backend en entornos corporativos de producción. Colaborarás con desarrollo, infraestructura y operaciones para garantizar estabilidad, disponibilidad y seguridad, implementando prácticas de DevOps y despliegues multiplataforma.Participarás...

El puesto consiste en el desarrollo y mantenimiento de servicios backend sólidos y escalables usando Python. El trabajo diario incluye diseñar y construir APIs que incorporen inteligencia artificial y ciencia de datos en entornos de producción, trabajando con modelos de aprendizaje automático y Large Language Models (LLMs) para asegurar su correcto...

SlashMobilitySlashMobility es una firma boutique tecnológica que está construyendo algo diferente a la consultoría tradicional. No queremos ser una fábrica de horas ni una consultora masiva. Estamos creando una casa para la Tecno Élite: profesionales que quieren trabajar con grandes corporaciones en retos reales, con equipos pequeños, muy buenos y con...

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,...

Rain is looking for a Senior Software Engineer in EMEA. This remote position involves managing backend platform areas, including API integrations with 3rd-party vendors. The ideal candidate has at least 5 years of experience, is proficient in backend languages like Go and Python, and skilled in creating scalable, reliable systems. Responsibilities include...

New Relic is seeking a backend engineer to design, build, and operate JVM-based microservices (Java/Kotlin) powering massive telemetry pipelines and observability features. You will own services end-to-end, implement asynchronous patterns, and contribute to a scalable, resilient platform used by engineers globally. The role emphasizes strong collaboration,...

Allianz Technology in Barcelona is looking for a seasoned Java Developer to modernize legacy systems and develop innovative insurance products. Join a dynamic team leveraging Java, Spring Boot, and Agile methodologies to enhance business solutions. With a hybrid work model, enjoy benefits including healthcare, a company bonus scheme, and career development...

One Span in Barcelona is seeking a Senior Backend Engineer to join our backend team and drive product features from concept to production. You will own delivery, work with leadership, and shape architecture. The role requires a decade of backend experience, strong Java and Spring Boot, SQL, AWS, and Kubernetes, plus excellent cross-functional collaboration...

A leading digital agency in Barcelona is seeking a skilled backend developer to design scalable systems and build powerful APIs leveraging Java and Spring Boot. The ideal candidate will have 5+ years in backend development, substantial experience with RESTful and GraphQL APIs, and hands-on skills in microservice architectures. The role offers a hybrid...

En Lognext llevamos más de 18 años identificando e implementando soluciones tecnológicas prácticas que nos permitan seguir avanzando y optimizar nuestras operaciones, acompañando a los equipos con talento experto de alto rendimiento y haciendo de la tecnología una fuerza transformadora en nuestro día a día. Actualmente buscamos incorporar un/a Senior...

Jobgether SRL, listed on behalf of a partner company, seeks a Senior Software Engineer (Node.js/Python) based in Spain to build backend and AI-enabled systems powering an innovative mobility platform. You will design, develop, and operate scalable web services and APIs using Node.js, TypeScript, and Python, owning architecture and working with AI engineers...

SEREM Consultoría Empresarial busca un Backend Developer Java con experiencia para un proyecto en Barcelona, centrado en microservicios y APIs REST, en un entorno Agile/Scrum. Se valora integrar tecnologías frontend, principalmente Angular, y conocimientos de Kafka, MongoDB y Spring Boot. La posición es híbrida, con 1-2 días en oficina y el resto en...

Backend Java Engineer (Global Fashion Retail)Referencia: #52724Localización: Barcelona Buscas un reto donde tu código impacte a millones de usuarios en todo el mundo? Únete al equipo de ingeniería de uno de los grupos multinacionales más influyentes del sector moda. Estamos transformando nuestra infraestructura para soportar un ecosistema digital de...

UST is a multinational technology services company with a global footprint and a commitment to modern, collaborative delivery models. We are seeking a Senior Developer (Java & Kafka) to join an exciting international project in a fast-paced Agile environment.You will design and implement event-driven microservices using Java 8+, Spring Boot, and Apache...

About the OpportunityYou will work in the Grow & Engage domain, the heart of the customer experience, spanning everything from customer acquisition and onboarding to our premium membership tiers and the daily engagement of millions of users. Specifically, within the Subscriptions segment, youll help build and improve features that enable customers to...