Empleos de senior python backend en Barcelona

Pleo in Spain is seeking a Senior Backend Engineer for the Data Serving team, building the boundary between raw product data and consumers, including internal dashboards, AI agents, and customers. You'll own APIs, ensure low latency, collaborate with Data Engineers and Kotlin-based services, and focus on reliability, security, and scalable data delivery....

Coderland busca un/a Senior Backend Java para desarrollar y mantener servicios backend con Java 21 o superior. Se trabajará con programación reactiva (RXJava/Webflux/Vert.x), diseñando microservicios y APIs REST seguras en un entorno cloud, con énfasis en Google Cloud Platform.El candidato ideal tiene 10+ años de experiencia en backend, dominio de Kafka...

We are looking for a Python Developer with strong experience in Python and Flask to help build scalable backend systems. Our client is a global leader in legal research technology , providing access to one of the most comprehensive collections of legal information worldwide. By leveraging AI and advanced data analytics , they’re transforming how legal...

IMA Health busca un/a Senior Backend Developer apasionado/a por la tecnología para impulsar el crecimiento de nuestra plataforma health-tech. Trabajarás en Node.js/NestJS, migrando a una arquitectura serverless en AWS y diseñando APIs escalables, con foco en rendimiento y seguridad de datos.La posición es híbrida: 4 días en oficina en Barcelona y 1...

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...

Backend JavaReferencia: #111824Localización: BarcelonaExperience in team management with desire to evolve into a Team LeaderSkills: Development of microservices with Java 11/17 in functional Java, with SpringBoot. Knowledge of Web APIdevelopment in Python (2+ years)Cloud knowledge (Azure or AWS)Knowledge of development in Kubernetes. Knowledge of...

We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M...

Workato seeks a seasoned Go backend engineer to design and optimize distributed systems that power our runtime platform. You will tackle high-concurrency components, memory-sensitive paths, and performance-critical code, collaborating across teams to ensure reliability and scalability.This role emphasizes low-level engineering and robust concurrency handling...

We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M...

Tus tareas Servicios TIC e Ingeniería para la gestión empresarial. Trabajamos diseñando soluciones a medida de las necesidades de nuestros clientes. Somos una empresa 2.0 innovadora donde las personas son muy importantes para nosotros. La ética, transparencia, imparcialidad e independencia forman parte de nuestra filosofía. Tu perfil ESTAMOS EN LA...

Optiwisers in Barcelona, Spain, is seeking a Senior Full Stack Developer to join an AI-driven product team. You will work across frontend and backend using Next.Js, React, Python and Fast API, building scalable web applications in a Scrum environment. You’ll implement responsive UIs with Tailwind CSS, integrate APIs, write tests with pytest and Playwright,...

Build the infrastructure that moves money. Ledgers, payment integrations, and APIs that power fintech businesses.About the roleWe're building the platform that lets anyone launch a fintech business. That means reliable ledgers, integrations with stablecoin infrastructure (USDC, Bridge), and APIs developers love to use.What you'll doDesign and build backend...

Descripción del puesto En The Whiteam Consulting estamos buscando un/a Senior Java Back End Developer centrado en el desarrollo y soporte de los componentes backend de productos internacionales de alto impacto. El rol implica desarrollo backend avanzado, despliegue en entornos cloud, análisis en fases de integración y producción, revisión de código,...

Descripción del puesto En The Whiteam Consulting buscamos un/a Backend Software Engineer, para participar en el diseño, desarrollo, mantenimiento y evolución de servicios backend y plataformas cloud-native, contribuyendo a la creación de soluciones escalables, fiables y de alta calidad. Formarás parte de un entorno tecnológico moderno basado en...

Desarrollador Python Senior con experiencia en backend, microservicios, APIs REST, bases de datos SQL/NoSQL, y herramientas DevOps como AWS y Docker.Modalidad híbrida en Barcelona.

Grupo NS está buscando perfiles de Data Engineer con experiencia en Python, Spark y Apache Airflow con al menos 8 años. La modalidad es 100% teletrabajo, lo que permite trabajar desde casa ofreciendo flexibilidad y continuidad en proyectos de datos. La empresa valora la constancia y la capacidad de evolucionar y aprender.Se exige un nivel de inglés...

En Ioon estamos convencidos de que la tecnología será el eje de la transformación de nuestras vidas, ¿Te animas a ser parte de esta revolución?Te proponemos esta posición por si te quieres sumar a un nuevo reto profesional Senior Python Programmer.Por favor, presente su candidatura sin demora si su perfil encaja bien con este puesto, debido al alto...

Estamos en busca de profesionales que no solo busquen un empleo, sino que aspiren a integrarse en equipos que lideran la transformación en sectores estratégicos como telecomunicaciones, transporte y administración pública.Si tienes experiencia en estas áreas y estás preparado para enfrentar desafíos en entornos dinámicos, te invitamos a explorar...

Location: Remote from Spain (an indefinite Spanish employment contract) We are looking for a Senior Python Backend Engineer to build and integrate agent-to-agent communication capabilities on AWS AgentCore platforms. The role focuses on Python backend development, A2A protocol implementation, agent discovery and registration, event-driven communication, and...

Zohorecruit is seeking an experienced software engineer who enjoys owning projects from concept to deployment. You will join a collaborative team where technical judgement and hands-on skills are highly valued, translating requirements into robust solutions. Responsibilities include designing and deploying Kubernetes-based infrastructure, writing...