Empleos de java full stack developer en Barcelona

We are an international technology services company specialized in: IT: Banking, Insurance, Retail & E-Commerce, Healthcare Transport & Supply Chain: Rail, Automotive, Logistics, and Aerospace Manufacturing: Renewable Energy, Oil & Gas, and Utilities R&D: Research, innovation, and development of technology solutions At K-LAGAN, we focus on innovation, real...

To develop apis and backend processes to establish the logic and services needed for frontend applications or api to api services. To ensure api security, performance and stability. Use of good backend and frontend practices. To integrate APIs and backend services into interfaces. Henry Schein is now a Fortune 500 Company powered by a network of people and...

Join Amaris Consulting and work on projects that impact thousands of users worldwide. Be part of an international team, thrive in an agile environment, and grow with a global group that values innovation and talent. As a Backend Developer (Node.js), you will play a key role in designing and developing robust, scalable backend systems that drive global...

Today, we are 80+ people, serve 900+ customers, raised €12 million in 2026, and are expanding internationally. We are building the financial operating system for construction: bringing AI, automation, and modern software to an enormous industry still full of slow, fragmented processes. We are looking for a product-minded Full Stack Engineer who leans...

Okify, a Barcelona-based PropTech startup, is seeking a Software Engineer to own end-to-end features across client portals and automation engines. You will collaborate with utility and insurance partners to establish and troubleshoot integrations, while solving architectural challenges alongside the founders in a small team. Based in or near Barcelona with a...

We are looking for a Senior Full Stack Developer to help build scalable web applications, improve system performance, and deliver a seamless user experience. The role sits at the intersection of technical architecture, backend performance, and user-centric feature development. It suits a developer with a balanced technical and product mindset. Tech stack:...

Tecdata en Barcelona busca un Senior Full Stack Developer para un rol híbrido (1 día en oficina/semana). Se requiere experiencia sólida en Angular y Java/Kotlin, APIs REST y prácticas DevOps. Salario de hasta 45.000 € SBA anuales.Incorporación en un equipo de seguros con proyectos modernos y tecnologías punteras. La posición es híbrida con oficina...

Overview En Krell Consulting buscas un/a Desarrollador/a Full Stack con experiencia en Angular y Java/Spring Boot para un proyecto tecnológico en el sector seguros. Trabajarás en un equipo orientado a entregar aplicaciones web de alto rendimiento, integrando frontend y backend, y mejorando velocidad, seguridad y experiencia de usuario. Incorporarás...

Merkle Barcelona is launching a Java Graduate Scheme to train you into a full-stack Java Developer, with mentoring and on-the-job training across frontend and backend projects. You will work with an international client portfolio and experience a formal mentorship from your line manager and HR team.The program aims to develop you into a fully-fledged Java...

Overview En SlashMobility buscamos un Desarrollador Full-Stack Senior para impulsar soluciones web robustas y escalables. Trabajarás en un entorno dinámico y colaborativo, integrándote en un equipo de tecnología de alto rendimiento. Tu impacto se verá en productos digitales críticos para grandes corporaciones, con foco en calidad y entrega ágil....

Embrace DevOps, taking responsibility for your team's services from requirement analysis to operation. Make architectural decisions with your team to ensure high performance, robustness, and maintainability of the application, especially during the transition from on-premise to the cloud. Your ProfileExperience in front-end technologies such as HTML5,...

MAIN RESPONSIBILITIES AND FUNCTIONS:· To develop apis and backend processes to establish the logic and services needed for frontend applications or api to api services.· To ensure api security, performance and stability.· To integrate other APIs and/or develop apis to be consumed.· To keep code clean, modular and reusable.· Use of good backend and...

MAIN RESPONSIBILITIES AND FUNCTIONS:· To develop apis and backend processes to establish the logic and services needed for frontend applications or api to api services.· To ensure api security, performance and stability.· To integrate other APIs and/or develop apis to be consumed.· To keep code clean, modular and reusable.· Use of good backend and...

Overview You will join a development team to evolve and rebuild the group’s digital platform, supporting expansion across Spain and Portugal. You will work on website modernization, new site creation for different jurisdictions, and integrations with gaming providers. The role involves both backend and frontend development, plus updating interfaces and...

ALTEN España está buscando un Analista Programador con experiencia en backend en Python y conocimientos de frontend con React/Next.js para un proyecto orientado a la evolución de plataformas digitales y herramientas operativas escalables.Se requieren 3–5 años de experiencia, dominio de Python, experiencia con FastAPI/Flask y familiaridad con APIs REST....

At Q-tech, we collaborate with the global leader in reusable packaging containers and pallets for the fresh produce supply chain, whose mission is to make that supply chain sustainable.They run a closed-loop pooling system with more than 400 million containers in circulation and over 2.5 billion shipments a year. They serve 300+ retailers and 18,000+...

JobServe Ltd is looking for an experienced Full Stack Engineer for a 12-month remote contract across Europe. You will design, develop and optimise scalable web applications, working across Front End and Back End technologies. You will own product features, collaborate with technical teams, and ensure secure, reliable solutions aligned with business needs....

We are an international technology services company specialized in: - IT: Banking, Insurance, Retail & E-Commerce, Healthcare - Transport & Supply Chain: Rail, Automotive, Logistics, and Aerospace - Manufacturing: Renewable Energy, Oil & Gas, and Utilities - R&D: Research, innovation, and development of technology solutionsAt K-LAGAN, we focus on...

Job-ID: Sector: IT y TelecomunicacionesLocation: BarcelonaContract: IndefinidoPosted: Deadline: At Experis, a ManpowerGroup company, we specialise in recruiting the best tech talent and matching them with all kinds of organisations, from large corporations to start-ups. We are a company specialising in IT consultancy and the recruitment of professionals in...

Descripción del puesto / FuncionesEstamos buscando un/a Full Stack Web Developer con fuerte orientación backend para unirse al equipo de productos de IA que desarrolla una plataforma Multi-cloud de GenAI (Azure, AWS, Google Cloud), con foco principal en el servicio Secure GPT.Se trata de un rol técnico clave en un entorno internacional, donde...