Empleos de backend developer junior java apis en Barcelona

Talent Search Technology is seeking a Java Full Stack Developer (Angular/Java) in Barcelona. The role is a hybrid position requiring 3 days on-site per week, with permanent employment.You will design, develop and maintain secure, scalable web capabilities aligned with AWS architecture. Responsibilities include building Angular components, RESTful APIs with...

Elegir Capgemini significa elegir una empresa donde tendrás la libertad de diseñar tu carrera profesional como desees, con el respaldo y la inspiración de una comunidad colaborativa de colegas en todo el mundo. Aquí podrás reinventar lo que es posible. Únete a nosotros y ayuda a las organizaciones líderes en el mundo a descubrir el valor de la...

Job ID: 31161202Company: Abbott LaboratoriesLocation: Spain - BarcelonaJob Type: Full timeCategory: Research & DevelopmentIndustry: HealthcarePosted Date: 2026-09-08Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced...

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...

OverviewWELCOME TO SITAAt SITA, we keep airports moving, airlines flying smoothly, and borders open. Our technology and communication innovations power the success of the global air travel industry.You'll find us in 95% of international airports, working closely with over 2,500 transportation and government clients. Each partnership brings unique challenges,...

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,...

En Indra Group, protegemos lo que más importa. Lideramos el desarrollo de soluciones tecnológicas punteras que refuerzan la seguridad nacional e internacional. Buscamos un/a profesional con experiencia en desarrollo backend para incorporarse a un equipo ágil y participar en proyectos tecnológicos de alto impacto. +3 años de experiencia en desarrollo...

En Krell Consulting buscamos un/a Senior Fullstack Developer con sólida experiencia en Java, Spring Boot y tecnologías frontend para incorporarse a un proyecto tecnológico con un importante componente de Inteligencia Artificial.La posición se desarrolla en modalidad híbrida en Barcelona, con aproximadamente un día presencial por semana.FuncionesDiseño...

W Hunt España busca un Senior .NET Developer para diseñar, desarrollar y evolucionar soluciones backend robustas, escalables y mantenibles.Si le interesa solicitar este empleo, por favor, asegúrese de cumplir los siguientes requisitos que se enumeran a continuación.Serás responsable de decidir la arquitectura, liderar revisiones de código y impulsar...

Job Description Job Title: Python Developer Job Type: Contract Location: Remote Job Summary In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters. Key...

Overview As a Fullstack Developer at AccessiWay, you help build accessible web experiences that scale. You’ll bridge frontend and backend work to deliver high-quality products while owning your part of the service design and implementation. You’ll collaborate with a curious, autonomous team committed to performance, accessibility, and an inclusive...

Hitachi Energy Spain, S.A.U. is seeking a .NET Backend Developer to design, develop, and maintain robust backend systems and APIs that support our critical applications.You will collaborate with frontend teams, product managers, and other stakeholders to translate requirements into scalable solutions; design RESTful APIs and microservices, work with SQL...

Senior Full Stack Developer – PHP / Symfony / Vue En Akuaro estamos buscando un/a Senior Full Stack Developer con fuerte orientación Backend para incorporarse al equipo tecnológico de uno de nuestros partners, una compañía consolidada y en pleno crecimiento dentro del sector de productos de consumo. Se trata de un proyecto de producto propio, con una...

Join us at Entrust At Entrust, we're shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us Headquartered in Minnesota, Entrust is an industry leader in...

Job Description:King operates games at a massive scale, serving hundreds of millions of players around the world. Behind every player experience is a large ecosystem of services, data platforms, forecasting systems, and internal tools that help our teams make better decisions, move faster, and deliver exceptional experiences.Craft:Technology & DevelopmentJob...

Cala is looking for a Backend Engineer with 4+ years of experience to build the systems behind AI-driven information verification at scaleThe team behind Vilynx, a Barcelona AI startup that Apple acquired, founded Cala. They’re building a verified knowledge graph for AI agents, and they’re looking for someone who is strong in backend work (Python, APIs,...

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...

Krell Consulting & Training, S.L. busca un/a Senior Fullstack Developer con sólida experiencia en Java, Spring Boot y tecnologías frontend para un proyecto tecnológico con IA. La posición es híbrida en Barcelona, con aproximadamente un día presencial por semana.Se valoran experiencia en APIs REST, entornos Cloud y herramientas de IA de desarrollo, así...

The OpportunityWe are seeking a skilled .NET Backend Developer to join our team at HITACHI ENERGY SPAIN, S.A.U. You will be responsible for designing, developing, and maintaining robust and scalable backend systems and APIs to support our critical applications.How You Will Make An ImpactDevelop, test, and deploy high-quality, scalable, and maintainable...

Davidson Consulting España nace en el año 2014. Formamos parte del grupo Davidson, multinacional francesa de servicios tecnológicos con +18 años de experiencia en el sector y presencia en varios países europeos además de en Canadá. Somos 3000 compañeros a nivel global.En España nos caracterizamos por ser un equipo de más de 150 profesionales...