Empleos de backend developer junior java apis en Barcelona

Overview In this role you will lead the development of Pathfinder, a strategic Life Sciences platform. You will drive architectural decisions within a cross-functional team, delivering a modern, scalable backend and improving engineering practices. You will mentor engineers and steer a greenfield product from concept to production, aligning with long-term...

You will join a greenfield product initiative to design, build, and evolve a new digital solution for a leading fashion retailer. Working with Spanish-speaking stakeholders, you will shape architecture, deliver MVP capabilities, and drive technical decisions. This hands-on role combines Java/Spring Boot and React with AI-assisted development to produce...

Overview As a Software Engineer at King, you design, build, and maintain backend services and platforms used across multiple games. You collaborate with product, design, and game teams to deliver scalable, reliable systems with strong maintainability. You’ll work on a mix of backend services, APIs, event-driven architectures, and potential AI-enabled...

Novartis Digital Finance seeks a Senior Python Developer in Barcelona to design and deliver scalable Python-based AI-enabled financial solutions. You will work on secure, enterprise-grade backend services, APIs, and cloud-native integrations, collaborating with data scientists to operationalize ML/AI workflows.Ideal candidates have strong Python expertise,...

Novartis Digital Finance seeks a Senior Python Developer in Barcelona to design and deliver scalable Python-based AI-enabled financial solutions. You will work on secure, enterprise-grade backend services, APIs, and cloud-native integrations, collaborating with data scientists to operationalize ML/AI workflows.Ideal candidates have strong Python expertise,...

OverviewAs a Cloud Platform Engineer, you join a fast-growing cloud platform team to build foundation services for secure IoT connections and scalable web apps. You collaborate with software developers, architects, engineers, UX, QA, and product owners to ensure high-quality, well-documented software and continuous process improvement. You mentor junior...

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 revenue teams a...

Buscamos un/a Arquitecto/a de Software Senior para integrarse en el proyecto europeo EDF EYE. Tu misión será liderar el diseño técnico y la evolución de arquitecturas backend de alto rendimiento para sistemas de defensa de próxima generación. Trabajarás en un entorno de alta complejidad técnica, asegurando la escalabilidad, resiliencia y seguridad...

Overview In this role you will design and deliver AI-powered backend capabilities within Clarivate's Cortellis CMC platform in Barcelona. You will own architecture and delivery, collaborating with distributed engineering teams to build scalable, reliable systems that power regulatory intelligence for life sciences. You’ll tackle data and performance...

Project description Luxoft is a global software services company delivering professional solutions across sectors such as Finance, Automotive, and Digital are establishing a new team focused on developing and enhancing Android Framework components, specifically SystemUI and Homescreen, for our client's In-Vehicle Android Infotainment (IVI) systems. The...

Responsabilidades Llevar del diseño a la puesta en producción desarrollos backend Java/Spring en arquitecturas Cloud Native (AWS, Azure, GCP, Huawei) y On‑Premise. Búsqueda y evaluación de nuevas tecnologías que permitan mejorar la arquitectura. Desarrollar componentes modulares y reutilizables. Garantizar un alto desempeño, especialmente en el...

OverviewEnvíe su solicitud a continuación después de leer todos los detalles y la información de apoyo sobre esta oportunidad de trabajo.In this role you will design, build, and maintain scalable .NET backend services and APIs to support critical applications. You will collaborate with cross-functional teams to translate requirements into robust...

We are looking for an experienced Full Stack Developer to join our team in Barcelona and contribute to the development of innovative digital solutions. This role is ideal for someone who enjoys working across the entire technology stack, from creating intuitive user interfaces to designing scalable backend services and APIs. You will play a key role in...

Ready to Take Your Career to the Next Level?Envíe su CV y cualquier información adicional requerida después de haber leído esta descripción, haciendo clic en el botón de solicitud.Join Amaris Consulting and work on cutting-edge projects that impact thousands of users worldwide. Be part of an international team, thrive in an agile environment, and grow...

Novartis Digital Finance seeks a Senior Python Developer in Barcelona to design and deliver scalable Python-based AI-enabled financial solutions. You will work on secure, enterprise-grade backend services, APIs, and cloud-native integrations, collaborating with data scientists to operationalize ML/AI workflows.Ideal candidates have strong Python expertise,...

Maia Care, respaldada por GCO Ventures y Byld, busca un Full Stack Developer para construir y escalar una plataforma digital enfocada en la salud femenina, desde el diseño técnico hasta producción, junto al CTO.Trabajarás en backend (APIs, modelos de datos, pipelines) y aportarás al frontend con Next.js cuando sea necesario; priorizarás seguridad de...

What can you expect from us? Continuous Learning from Day 1: We support your personal and professional development with both time and financial resources. Strong Company Culture: Open communication, helpfulness, authentic collaboration, and a true learn-it-all mindset. Living New Work: Flexible working hours and the freedom to work hybrid from Barcelona or...

Overview In this role you will design and deliver AI-powered backend capabilities within Clarivate's Cortellis CMC platform in Barcelona. You will own architecture and delivery, collaborating with distributed engineering teams to build scalable, reliable systems that power regulatory intelligence for life sciences. You’ll tackle data and performance...

En Better Consultants buscamos incorporar un/a Full Stack Developer con experiencia en Angular (v16 o superior) y Spring Boot, para participar en un importante proyecto dentro del sector público, enfocado en una migración tecnológica hacia a una nueva arquitectura. ¡A TI! Un profesional con alta capacidad técnica y de análisis. Que sea autónomo en su...

Jobtailor está buscando un Desarrollador de Software Senior para Barcelona con experiencia en frontend y backend, y con dominio de Angular 19+ y Java 17+. Se requiere conocimiento de Kafka, Redis y Spring Boot, así como experiencia en REST APIs y entornos de nube.Se valora inglés C1 y habilidades en CI/CD. El candidato ideal participará en todo el ciclo...