Empleos de senior python backend en Madrid

Aircall is seeking a Senior Software Engineer to lead backend development using TypeScript and Node.js, deployed on AWS. You will build scalable services, collaborate with product managers and designers, and ensure high-quality code through testing and observability.Strong focus on security, performance, and reliability, with exposure to frontend work...

Julius Baer is seeking a Senior Data Engineer in Madrid to lead SQL-driven data transformations, data modelling, and governance. You will collaborate with finance, risk, and business teams to deliver reliable datasets for analytics, reporting, and regulatory needs. The role emphasizes data pipelines, Python automation, and BI enablement using Tableau/Power...

People en Madrid busca Analista Programador Senior para un entorno de microservicios con Java y Spring Boot. El backend se desarrolla con JPA/Hibernate y PostgreSQL, junto con OAuth2 y JWT para la seguridad. Se valorará experiencia en AWS y diseño de APIs REST. Se trabajará con equipo de desarrollo y se participará en tareas de análisis, diseño e...

Solera is seeking a Lead .NET Developer in Madrid with 10+ years of experience across .NET, Python, and React/Angular. You will lead full-stack development, architect scalable solutions, and drive DevOps practices to deliver high-quality software.The role requires collaboration with Product Management, Business Analysts, and cross-functional teams in an...

En Coderland, el talento es lo que hace que las cosas pasen. Somos una comunidad global de #CodeLovers apasionados por la tecnología, la innovación y la transformación digital. Trabajamos con compañías líderes creando soluciones reales de alto impacto, en un entorno donde cada idea cuenta y cada persona suma. Aquí no hay talentos invisibles: se...

¿Te apasiona la tecnología y quieres ver cómo tu trabajo transforma el mundo real?En nuestra empresa formarás parte de un equipo colaborativo que te apoyará en cada paso. Si buscas un entorno donde tu impacto sea tangible y tu crecimiento profesional esté asegurado…¡Esta oportunidad es para ti!¿Cuál será tu misión?Creación de algoritmos...

Descripción del puesto Buscamos un/a Senior Backend Developer con al menos 4 años de experiencia en desarrollo backend y experiencia en Java, Spring Boot, MQ Series y PostgreSQL. La persona seleccionada participará en el desarrollo e integración de aplicaciones empresariales, trabajando con arquitecturas de microservicios y soluciones orientadas a...

Nuvolar Works is expanding its backend capabilities with a Senior Java Developer focused on unifying enterprise data platforms. You will design, build and evolve backend services supporting data exchange across teams in a global healthcare-oriented initiative.Work in a high-autonomy environment, drive technical solutions, and collaborate with engineering,...

Barcelona, Spain · Full-time · Fully office-based€65,000–€85,000 gross per yearCandidates must already be based in Barcelona. Visa sponsorship is not available. Build the systems behind AI-powered email marketing. Migma is building an AI platform that creates and sends on-brand email campaigns end to end. We are a two-person founding team in...

Elastic's Observability Streams team is building Elastic's unified data pipeline and the backend services powering Logstash. You will design, build and operate features in Java and Golang, contribute to the Open Telemetry Collector, and help deliver reliable data routing at scale. This remote-first, globally distributed role demands strong communication,...

About the companyBiorce is a pioneering Healthtech company dedicated to revolutionizing drug development through the power of AI. We are passionate about accelerating medical advancements and improving patient outcomes.Our team comprises seasoned clinical research professionals, data scientists, and AI experts, working collaboratively to bridge the gap...

En Experis, compañía de ManpowerGroup, trabajamos seleccionando el mejor Talento tecnológico para conectarlo con todo tipo de organizaciones, desde grandes corporaciones hasta start ups. Somos una compañía especializada en consultoría IT y en selección de profesionales del sector Tecnológico asociados a nuestras 3 prácticas: Business...

CGM Clinical in Madrid is hiring a Senior Quality Engineer (Automation & AI) to design and maintain Python-based test automation across APIs, UI with Playwright, and performance tests. You will define quality strategies with developers and integrate tests into CI/CD, collaborating throughout the lifecycle and exploring AI-based solutions.Requirements include...

Una empresa líder en vigilancia electrónica busca un Ingeniero de Pruebas para su equipo en Madrid. El candidato ideal debe tener al menos 4 años de experiencia en el sector, dominar Python, Java y C/C++, y tener un inglés fluido. Las principales funciones incluyen asegurar la calidad de productos, definir metodologías de pruebas y desarrollar sistemas...

Parser is seeking a Senior Data Engineer in Madrid to join a growing team that ingests billions of events daily and transforms data for all internal services.You'll design and implement scalable, cloud-based data pipelines using Kafka, Spark, Airflow, Hive, and AWS services, ensuring reliability and observability.Join a collaborative, learning-focused...

Knowmad Mood, una compañía líder en transformación digital, busca un desarrollador backend senior con experiencia en Java y Spring para diseñar y evolucionar soluciones basadas en microservicios. Participarás en APIs REST, revisión de código y buenas prácticas, con enfoque en IA para mejorar productividad y calidad en el ciclo de desarrollo.El...

T-Systems Iberia seeks an Agency AI Engineer to design and implement backend components for AI and agent-based solutions across multiple Spanish locations. You will work on integrating language models, external tools, and data sources within a governed production platform.Ideal candidates have 5+ years in backend development, 3+ years in AI/data projects,...

Verisure in Madrid is seeking a Senior Software Engineer to shape the backend platform using Java, Spring Boot and MongoDB.You will own design and delivery of robust services and help drive best practices across the team.You will mentor colleagues, collaborate with product and QA, and contribute to AI-enabled engineering initiatives while growing toward a...

Xe.Com is hiring a senior backend engineer to own end-to-end backend problems and shape how the team builds.You will design APIs, data models, and production services to move money across currencies, while mentoring engineers and collaborating with product, compliance and ops.You will work in a small, fast-moving team that values practical decisions,...

Neo4j is seeking a Senior Software Engineer to shape the core analytics of GraphAware Hume, our graph-powered analytics platform.You will build secure, scalable backend APIs and collaborate with a global team.The ideal candidate has 8+ years of backend experience, fluency in Java, and expertise in Spring, DDD, and TDD.Familiarity with Docker, CI/CD,...