Empleos de senior backend java en Barcelona

Urbiotica is seeking a Backend Software Engineer to advance our IoT platform. You will primarily build Python backends while maintaining and modernizing Java systems, ensuring stability and scalability as sensor networks grow. You will design and implement APIs, integrate with third-party services, and develop scalable microservices. Collaboration with...

DescriptionJoin the team. Make an impact.At Holded, we believe that daily admin should never stop a great idea from becoming a success. That's why we create intuitive software to empower anyone who dares to start their own business. Long story short: we want to make business simple.In order to create cutting-edge products that meet the needs of the sector,...

The employer offerscrypto accounts for players in the gaming industry acting as wallet-as-a-service solution supporting multi-chain accounts, gas sponsorship, pop-upless blockchain interactions, and flexible ownership. The solution enables games to interact with on-chain assets easily and programmably, allowing for faster launches, adaptability as they grow,...

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...

At Naphora Games Group, we're building more than games, we're building a global team of ambitious, driven people who are hungry to learn, experiment, and raise the bar for the next generation of games. We collaborate openly, move fast, and challenge ourselves every day to build better, smarter, and faster. Our goal is to create world-class games that players...

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...

This job is with Adaptive Financial Consulting Ltd, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design...

Senior ERP Backend Engineer - Microsoft Dynamics 365 Finance & Supply Chain Management / ERP PlatformRole PurposeThe Senior ERP Backend Engineer will design, build, extend, integrate, and support backend components for the Microsoft Dynamics 365 Finance & Supply Chain Management ERP platform. The role requires hands‑on engineering capability in X++,...

About the Role Our promotional features team is seeking a Senior Backend Engineer. This role is focused on developing and optimising promotional features for our gaming platforms, where performance, scalability, and cutting-edge solutions are paramount. If you’re a product-passionate person, your mind is keen to solve deep tech engineering problems, and...

Is this you? Titan Operating System S. L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company is looking for you! At Titan OS, we live by three core values: Make things happen - We take ownership, move fast, and deliver impact. No ego - We collaborate with respect and humility to reach shared goals. Show genuine passion - We...

Is this you?Envíe su solicitud a continuación después de leer todos los detalles y la información de apoyo sobre esta oportunidad de trabajo.Titan Operating System S.L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company is looking for you! At TitanOS, we live by three core values:- Make things happen - We take ownership,...

Se busca desarrollador Backend .NET Senior con experiencia en .NET Framework/.Core, DDD, Kubernetes, Docker, CI/CD, colas, SQL Server, ORMs, REST/SOAP, Git, Agile/Scrum. Ofrecen contrato indefinido, horario flexible, seguro médico y salario entre 30-46k€.

Desarrollador backend senior con experiencia en Python, FastAPI, Flask y Django, enfocado en diseño, desarrollo y optimización de servicios escalables y seguros, con habilidades de liderazgo técnico y participación en proyectos críticos de ciberseguridad.

Join Proton and build a better internet where privacy is the default Proton 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...

Buscamos un/a Senior JBoss / Java Security Remediation Engineer para incorporarse a un proyecto del sector bancario, participando en la identificación, análisis, remediación y validación de vulnerabilidades en aplicaciones Java desplegadas sobre JBoss y entornos AWS.¡Inscríbase sin demora! Se espera un gran volumen de solicitantes para el puesto que se...

Talan Spain is seeking a skilled backend Java developer to design, build, and maintain robust backend services using Java, Spring Boot and microservices, in a 100% remote setup.You will implement and consume REST APIs, deploy on OpenShift, and collaborate with Angular front-end teams to ensure seamless integration. The role involves code reviews, CI,...

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...

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...

Glovo, parte del grupo Delivery Hero, busca un Ingeniero de Software Backend Senior para unirse al equipo Global Services de Quick-Commerce en Barcelona. Trabajarás en una plataforma de próxima generación para impulsar soluciones para el ecosistema global del grupo.Se requiere más de 5 años de experiencia en backend, dominio de Java o Kotlin, y...

Knowmad Mood está buscando un desarrollador backend con experiencia en Java y Spring Boot para unirse a un equipo que diseña soluciones basadas en microservicios y APIs REST. Se valorará la experiencia en OpenAPI/Swagger, arquitectura hexagonal y prácticas de desarrollo modernas.El candidato trabajará en entornos con IA aplicada al ciclo de vida del...