Empleos de senior remote fullstack engineer python en Madrid

Cavendish Professionals is seeking a fully-remote Senior AI Engineer to design and develop AI-powered applications. The role involves building backend services using Python and FastAPI, integrating AI workflows, and optimizing performance of AI systems. Ideal candidates will have expertise in LLMs, relational databases, and frameworks like LangChain or...

ALTEN Spain, con presencia en la Comunidad Valenciana, busca un profesional con al menos 4 años de experiencia en microservicios Java para un proyecto estable y en crecimiento. Trabajarás en un entorno de nube con GCP, contenedorización y flujos reactivos. Diseñarás y evolucionarás APIs REST, migrarás a arquitecturas hexagonales y aplicarás SOLID,...

HiveMQ in Spain is seeking a skilled software engineer to architect and maintain their platform for global IoT deployments. Key responsibilities include developing high-quality, self-healing software, enhancing system scalability and availability, and utilizing modern tools like AI. Candidates should have at least 5 years of experience in backend...

Intetics Inc. is seeking a Senior PHP Engineer to join our global team. You will develop, maintain, and optimize web applications using PHP and related technologies, collaborating with cross-functional teams to meet client requirements and industry best practices. The ideal candidate has 5+ years of professional PHP experience, strong SQL and database skills...

Q-Tech in Barcelona is seeking a Senior QA Engineer to own end-to-end quality for AI-driven clinical products. You will design robust automated test frameworks, run scenario testing, and ensure compliance with healthcare regulations. This role balances rapid delivery with patient safety in a remote-first setup with occasional on-site presence in Barcelona....

CASTILLE is seeking a Senior Systems and Network Engineer for a 6-month contract role, focusing on Juniper-based network infrastructures and Zabbix monitoring systems. Ideal candidates have over 5 years of experience in Juniper technologies and Linux administration, as well as proficiency in MySQL database management. Working remotely, you'll design and...

Intellias seeks a Senior Agentic Identity & Access Security Engineer to work remotely from Spain, focusing on secure agentic AI access within a regulated financial estate. You will design IaC-driven identity patterns, credential flows, and onboarding standards to enable self-service, secure access across high-velocity teams. This senior role blends...

Jobgether busca un Ingeniero Senior de Node.js para trabajar en una pila peer-to-peer y sistemas distribuidos, desarrollando y manteniendo aplicaciones de producción en un entorno remoto y global. La posición ofrece autonomía, propiedad técnica y oportunidades para contribuir a proyectos open-source. El candidato ideal posee experiencia en Node.js a...

Fever busca ampliar su equipo de ingeniería en España. Buscamos un perfil con Python y SQL sólido, experiencia en bases de datos y sistemas distribuidos, y conocimiento de herramientas de monitoreo como Datadog. Se valorará experiencia con PostgreSQL, Redis, Kafka o RabbitMQ, y contenedores en AWS. Ofrecemos trabajo remoto dentro de España, horario...

UST is seeking a Senior DevOps to contribute to a banking-sector project. The role focuses on supporting, improving, and modernising the DevOps Toolchain, delivering secure and auditable capabilities for a wide range of users. This position emphasizes collaboration with developers, citizen developers, information security, audit, risk, compliance, and...

Yuno is seeking a Senior Backend Developer to join the Checkout Team, building the core transaction engine behind fast, scalable checkout flows. You will work on high-throughput payment processing systems with a focus on reliability, security, and maintainability. The role emphasizes Kotlin/Go as core stacks, with expansive opportunities to impact payments,...

A global consulting firm is looking for a skilled Backend Developer (Node.js) based in Barcelona, Spain. In this role, you will design and develop scalable backend systems that support high-impact digital solutions for international clients. Ideal candidates have at least 5 years of software engineering experience and proficiency in Node.js with Fastify. The...

The Agile Monkeys is a boutique AI firm delivering production AI systems for regulated industries across the US, Latam, Europe and the GCC. You will lead a senior pod embedded in a large enterprise engagement, driving discovery and turning opportunities into production AI solutions. You’ll work across complex environments, moving between technologies and...

SQLI is a European leader in digital transformation and customer experience, helping major international brands drive growth through technology. We are seeking a Frontend Engineer with strong TypeScript, Vue.js, and Nuxt 3 skills to join a collaborative, agile squad delivering web applications from concept to production. You will own features end-to-end,...

T4G Lab, una consultora tecnológica con impacto global, busca un/a Ingeniero/a Full Stack Senior para diseñar, construir y desplegar soluciones escalables que generen valor real para startups, universidades y organizaciones internacionales. Serás parte clave del equipo, trabajando desde la base de datos hasta la interfaz, asegurando seguridad y...

Dow Jones in Barcelona is seeking a Senior Machine Learning Engineer to join our Personalization team. You will design and operate systems delivering highly relevant, personalized content for millions of readers in real time, bridging backend, data, and AI to power graph-based ranking and retrieval across our digital products. You will work with product,...

Grupo Clave busca un Staff Software Engineer para liderar la arquitectura de una plataforma IA empresarial. Serás pieza clave en decisiones de alto impacto, diseño y escalabilidad, trabajando sobre casos reales y producción. El rol exige experiencia senior/principal, con visión tecnológica y capacidad de unir estrategia y ejecución técnica. Es una...

Yazio is seeking a Senior Mobile Engineer to join the Food Tracking squad, focusing on Kotlin Multiplatform to deliver features across Android and iOS. The role is 100% remote and open to candidates in Germany, Spain, Portugal, or the U.K., with cross-functional collaboration across Product, Design, and Analysts. You will own features end-to-end, lead...

Bcnc Group busca perfiles DevOps/SRE con al menos 5 años de experiencia para integrarse en un entorno multinacional del sector telco. Se trabajará en Kubernetes, Helm, observabilidad y scripting, con foco en Linux y automatización. La posición permite teletrabajo 100% y ofrece contratación indefinida. Se valoraría experiencia en Terraform o Ansible y...

Job&Talent is seeking a proactive Senior Information Security Engineer to own incident management and drive the ongoing improvement of our security posture. This fully remote role offers flexibility within ±1 hour of CET and requires leadership in SecOps, threat detection, and cloud security across major platforms. You will collaborate with DevOps, mentor...