Empleos de python backend developer en Barcelona

A multinational technology firm based in Barcelona is seeking a Senior Back-End Developer to design and build robust backend systems. You will utilize Node.js and TypeScript while integrating AI-driven solutions in production environments. The ideal candidate has 5–7 years of experience, excellent communication and teamwork abilities, and must be fluent in...

Overview We are looking for a Senior Java Backend Engineer to join a long-term freelance project in Barcelona (hybrid: 3 days onsite, 2 remote). This role is part of a strategic transformation initiative in the financial sector, modernizing data management systems with cloud-native technologies and agile methodologies. Build and optimize back-end services...

**Senior Software Engineer (Backend)** **ABOUT LINGO** Lingo is building a cutting‐edge digital health platform that fuses continuous biosensor data, high‐performance backend engineering, and advanced analytics to help people live healthier, longer, fuller lives. Our systems process massive volumes of real‐time data, and the backend is the heartbeat...

## 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...

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...

Krell Consulting & Training, S.L. en Barcelona busca un/a Senior Backend Developer Java con amplia experiencia en microservicios para un proyecto en el sector seguros. Trabajarás con Java y Spring Boot en un entorno orientado a eventos, principalmente bajo un modelo híbrido en Barcelona.Se valorará experiencia con Kafka, MongoDB y APIs REST, además de...

Capitole is seeking a Backend Developer with Python and AWS to join a strategic platform team responsible for user, tenant and access management in a cloud-native ecosystem. You will contribute to disaster recovery capabilities and resilience in a regulated environment. You will build IaC with Terraform/OpenTofu, develop backend services in Python, implement...

When you order items on Amazon, there are practically thousands of ways we can fulfill that order. Which Fulfillment Center do we ship the items from, what carriers to use, what boxes to combine items in - now scale the same question to billions of items shipped annually worldwide. At Amazon's Supply Chain Optimization Technologies (SCOT), we are tasked with...

Agileengine, Llc. busca un Desarrollador Backend con experiencia en Python para unirse a su equipo de ingeniería distribuido.Trabajarás en el diseño, desarrollo y mantenimiento de APIs robustas y escalables, colaborando con frontend, producto y DevOps para entregar funcionalidades de alto impacto en un entorno remoto dinámico. Se espera más de 4 años...

Full Stack Engineer (Backend focused) The company and our mission: Zartis is a global AI transformation and technology consulting partner where talented engineers and technologists work on cutting edge innovation. Our teams bring deep expertise in AI driven platforms, secure API architectures, and cloud native engineering. You will work on meaningful...

Knowmad Mood está buscando un Java Developer para desarrollar y evolucionar soluciones Java sobre AWS dentro de un ecosistema moderno de microservicios y arquitectura hexagonal. Se valorarán conocimientos en Python para scripting y en Terraform para infraestructura como código. La posición ofrece modalidad de trabajo remoto con opción de acudir a...

Intellia is seeking a Senior Python Backend Engineer to design and build scalable backend services for agent-to-agent communication on AWS AgentCore platforms. You will work on Python-based backends, API integration, and asynchronous event-driven patterns to enable robust multi-agent interactions. The role emphasizes API design, registration and discovery...

Hyqoo is seeking a Software Engineer / Python Developer for a contract, remote role. You will design, develop, test, and deploy scalable Python applications and backend solutions, with emphasis on clean code and maintainability. You will work across product and engineering teams to transform business requirements into robust technical solutions, contribute...

GoReel is seeking a strong Python Developer to join our GameServer team, building a high-load gaming platform with numerous API integrations. You will develop scalable backend services, improve performance, and contribute to architectural decisions. We value proactive ownership, problem solving, and ideas that improve the product. The role offers...

Affirm, Inc. is seeking a Software Engineer for our Card Checkout team in a remote Spain setup. You will design, implement and maintain backend systems using Python or Kotlin, operating within AWS, MySQL and Kubernetes in a distributed architecture. The role includes on-call rotation and collaboration with product, design and analytics teams to deliver...

Role Description We are looking for a Senior Backend Developer to join our IT Digital Marketing team within the Digital Sales Hub in Barcelona. In this role, you will design, build, and continuously improve backend services, APIs, databases, and integrations that support our digital marketing and sales capabilities. You will develop scalable, secure, and...

Overview En Pasiona Consulting buscas un Desarrollador Web Full Stack con foco en backend para nuestro equipo de IA. Trabajarás en una plataforma multi-cloud de GenAI, con énfasis en el servicio Secure GPT, asegurando seguridad, escalabilidad y cumplimiento. Colaborarás en el diseño, desarrollo y mejora de capacidades de IA generativa dentro de un...

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...

Fliff is building data-driven sports gaming platforms with real-time data pipelines and a focus on correctness, observability, and resilience. We seek a Senior Python Engineer to own core backend systems. You will work on sports data ingestion, transformation, and distribution, collaborating across squads to ensure timely, accurate data feeds and reliable...

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...