Empleos de remote java backend engineer en Barcelona

Knowledge of Java 17/21/25, Spring Framework (Boot, Security, Batch, Cloud) Experience with automated testing: unit, integration. We value experience with TDD and tools such as JUnit, Mockito, Testcontainers or WireMock Familiarity with SQL and NoSQL database technologies (MongoDB, Redis) Experience with event-driven architectures and messaging systems...

BIP en Madrid busca ingenieros backend con .NET y Azure para crear APIs, microservicios y soluciones cloud-native. Trabajarás con AKS, Azure Functions, Logic Apps y CI/CD, integrando IA en el flujo de desarrollo para generar, refactorizar y testear código.Se valorará experiencia con IA, contenedores, seguridad y observabilidad, y capacidad para diseñar...

KYNAUT busca un/a Backend Engineer muy senior para evolucionar el plano de dominio de una aplicación, trabajando sobre sus APIs REST y una arquitectura orientada a eventos.Se busca experiencia real y profunda: mínimo 10 años programando, autonomía y capacidad de tomar decisiones técnicas en entornos cloud. La posición ofrece 100% remoto en España y...

Senior Software Engineer (Backend) Lingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live healthier, longer, fuller lives. Our systems process massive volumes of real‑time data, and the backend is the heartbeat that transforms...

Talan Spain is seeking a passionate software engineer to strengthen our data and quant capabilities.You will improve batch performance, integrate quant libraries, and help maintain a high-quality CI/CD pipeline in a remote, international project environment.You will collaborate with Quants, Data and the IMM team to deliver scalable, error-free solutions...

Who we are:Marfeel is a publishing intelligence platform trusted by over 5,000 publishers worldwide: including Business Insider, Le Figaro, El País and McClatchy. We help publishers turn data into action: understanding what content is working right now, what has performed over time, and what to do next. Our platform gives editorial, SEO, audience, and...

Who we are:Marfeel is a publishing intelligence platform trusted by over 5,000 publishers worldwide: including Business Insider, Le Figaro, El País and McClatchy. We help publishers turn data into action: understanding what content is working right now, what has performed over time, and what to do next. Our platform gives editorial, SEO, audience, and...

Senior Software Engineer (Backend) Lingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live healthier, longer, fuller lives. Our systems process massive volumes of real‑time data, and the backend is the heartbeat that transforms...

Junior Java Software Engineer Community (Spain) Barcelona, SpainWe Dream. About MerkleMerkle, a dentsu company, powers the experience economy. For more than 35 years, we have put people at the heart of its approach to digital business transformation. As the only integrated experience consultancy in the world with a heritage in data science and our...

Desarrollador Backend con Experiencia en Java (Remoto)Nuestro cliente busca un talentoso Desarrollador Backend con experiencia en Java para unirse a su equipo global, operando de forma completamente remota.Serás responsable del diseño, desarrollo e implementación de servicios backend escalables y de alto rendimiento que soportan nuestras principales...

Una consultora de tecnología busca un/a Tech Lead Backend para liderar el desarrollo de soluciones de pago. El candidato ideal debe tener más de 5 años de experiencia, dominio de Java y Spring Boot, y capacidad para guiar a un equipo en un entorno 100% remoto. Ofrecemos un entorno estable y una serie de beneficios como formación continua y retribución...

OneSpan 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 and...

Remote in EU, or hybrid in Barcelona, Palma, Dublin, or Casablanca. Own the backend of a white‑label travel platform as it adds new verticals. Hotels and flights are live. Experiences launch within weeks, and car rentals and more payment providers come next. Our clients are travel brands, banks, and influencers, so every launch brings a new challenge and a...

A leading super app company in Spain is looking for a Backend Staff Engineer to drive technical standards across their consumer domain. This role involves leading backend engineers, contributing to architecture decisions, and mentoring junior developers. The ideal candidate has at least 10 years of experience in backend engineering with Node JS and...

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...

At OneSpan, 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...

At OneSpan, 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...

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 Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. As a...

Our Mission: Why Lighthouse? At Lighthouse, we're on a mission to revolutionize commercial strategy as hospitality's most powerful AI platform. We take the world's largest hotel data network and transform it into real-time intelligence that drives action. We don't just deliver insights; we empower businesses to make decisions that move revenue. With $370M...

UST – Company Overview More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35,000 employees all over the world and presence in more than 35 countries. We are leaders in digital technology services, providing large-scale technological solutions to leading global...