Empleos de backend python developer en Barcelona

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...

Descripción del puesto En The Whiteam Consulting estamos buscando un/a Senior Backend Developer con sólida experiencia en Java, Spring Boot y Spring Batch, para participar en una iniciativa estratégica de transformación tecnológica orientada a la modernización de sistemas Mainframe. La persona seleccionada trabajará en la migración y evolución de...

Overview En THEWHITEAM buscamos un/a Senior Backend Developer con experiencia sólida en Java, Spring Boot y Spring Batch para liderar la transformación tecnológica de sistemas Mainframe. Trabajarás en migrar procesos COBOL a arquitecturas modernas, impulsando automatización e IA en el SDLC. Colaborarás en equipos internacionales, diseñando soluciones...

Compañía consolidada del sector servicios, actualmente inmersa en un proceso de transformación digital, busca incorporar talento técnico para impulsar su estrategia de inteligencia artificial.El rolIncorporamos un/a Senior Backend AI Engineer para construir e integrar funcionalidades de IA en productos que ya están en producción y, cuando sea...

Craft:Technology & DevelopmentJob Description:We’re looking for a Java backend developer to join our Catalog Games team and help build and improve the technology behind our games.You’ll develop game features, services, tools, and systems while collaborating with people across different disciplines. You’ll contribute throughout the lifecycle of our...

Senior Python Programmer needed for a hybrid role in Barcelona. Responsibilities include backend development, API building, database management, DevOps, and cloud architecture.

We're expanding the Backend Lead behind an AI-powered product built on modern LLM technologies.You will own the platform services domain, partnering closely with product and engineering to turn ambitious ideas into scalable, production-ready systems.Requirements 6+ years of experience building and shipping production software.3+ years of hands-on experience...

Se busca programador Python Senior con experiencia en backend, bases de datos SQL/NoSQL, y conocimientos en DevOps y cloud. Ofrece contrato indefinido, modalidad híbrida y salario competitivo.

Shipco IT in Barcelona is seeking a Senior Application Developer to design, build, and maintain high-performance Python microservices. You’ll connect Fast API backend with Angular frontends and collaborate across global teams. Ideal candidates have 5+ years Python experience, strong My SQL/SQLAlchemy, Docker, AWS ECS/ECR, and CI/CD with Git Hub Actions....

## Junior Java DeveloperApplylocations: Barcelonatime type: Full timeposted on: Posted Todayjob requisition id: R1127906**Job Description:****We Dream. We Do. We Deliver.**At **Merkle**, a dentsu company, we power the experience economy. Whether we’re building the next great app, running CRM at scale for global brands, delivering technology architectures...

Se buscan Ingenieros Backend (Java o Python) senior e intermedio para proyectos de ciberseguridad en Barcelona. Se requiere experiencia en desarrollo backend, APIs, bases de datos y metodologías ágiles. El puesto es híbrido con un 40% de teletrabajo.

UST is seeking a Backend Developer Analyst to design, develop and optimize data processing solutions using Apache Spark and Scala.The role is part of the SIMA Squad working in an Agile environment, with responsibilities spanning analysis, development, testing and production validation.The candidate will collaborate with Product Owners, Business Analysts, QA...

Se buscan perfiles de Ingeniero Backend con experiencia en Java o Python, para proyectos de ciberseguridad en Barcelona. Se ofrecen posiciones Senior e Intermediate con salarios variables según experiencia.

Jobgether SRL, on behalf of a partner company, seeks a Senior Software Developer (Node.js/Python) based in Spain. You will design and operate scalable backend systems, building APIs in Node.js, TypeScript, and Python while collaborating with AI engineers.You will drive architectural decisions, mentor peers, and contribute to engineering standards in a...

InvestEngine is a London-based fintech hiring a Senior Backend Engineer to join the Payments Team and help scale a business-critical part of our platform. You’ll design, develop and maintain backend services in Python 3.11 using Django/DRF, build RESTful APIs, and work with MySQL and Redis. The role emphasizes reliability, performance and long-term...

EUROPEAN DYNAMICS Group is seeking a Full Stack developer fluent in English to work remotely within the EU.The role involves integrating with a major client's IT team and contributing across front-end and back-end development, automation, and system administration.The candidate should have 7+ years IT experience, strong Python/JavaScript skills, React...

Can you imagine contributing to a pharmaceutical internal platform that supports critical business and engineering processes?Join our expert team to work on a Sector Pharmaceutical, contributing to the development of an internal platform that integrates applications, cloud services, APIs and engineering tools.You will apply your knowledge of Python, FastAPI...

Qualifications: * Advanced professional written proficiency in English * 3–7 years of professional software engineering experience * Strong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go * Backend or full‑stack development experience in production systems * Experience with testing frameworks (e.g., pytest, Jest,...

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...

We're expanding the Backend Lead behind an AI-powered product built on modern LLM technologies.You will own the platform services domain, partnering closely with product and engineering to turn ambitious ideas into scalable, production-ready systems.Requirements 6+ years of experience building and shipping production software. 3+ years of hands-on experience...