Empleos de senior python backend en Madrid

Lingo is building a cutting-edge digital health platform that processes real-time biosensor data with high-performance backend engineering. As a Senior Backend Engineer, you will design, implement, and optimize scalable microservices and APIs that power live health insights for users.You will collaborate with Product, Mobile, Platform/SRE, and Data/ML teams...

Talantir busca un backend engineer senior para diseñar y construir sistemas agenticos en producción, integrando LLMs y API robustas. El rol requiere pensamiento orientado a producto, autonomía y capacidad de diseñar arquitecturas escalables y fiables.El candidato participará en todo el ciclo: desarrollo, despliegue y monitorización, con colaboración...

Capitole busca un/a Senior Backend Engineer para liderar el desarrollo del backend de su plataforma en la nube de Azure, con foco en APIs de negocio y integraciones con sistemas internos y terceros.Trabajarás con Node.Js y TypeScript, diseñando APIs REST seguras y escalables, gestionando identidad y datos, y garantizando alta disponibilidad. Se valorará...

Ashby is seeking a Senior Software Engineer (Backend) to join its fully remote engineering team. You will design, develop, and maintain scalable backend systems powering innovative products, collaborating with a talented team on architecture and lifecycle delivery.We value a proactive problem-solver with strong backend knowledge, attention to detail, and...

Nuestra fintech innovadora busca un/backend senior para diseñar y evolucionar APIs críticas en una arquitectura de microservicios, con foco en rendimiento, escalabilidad y mantenimiento. Trabajarás en un Saa S multitenant con Node.Js, Type Script y Nest JS, asegurando migraciones sin downtime y decisiones de arquitectura defendidas ante el equipo....

Diabolocom, a European cloud-based contact centre and CX platform, is seeking a Senior Backend Software Engineer for the Auxiliary Squad in Barcelona. You will design and implement high‑performance backend services using Java/Kotlin, Spring Boot, and modern tooling, contributing to scalable distributed systems and no‑code workflow scenarios. You will...

Social You is seeking a Senior QA Automation Engineer with a backend mindset and strong Java automation experience. You will drive quality across Ground Services, define automation strategies, and embed quality practices throughout the delivery lifecycle.You will collaborate with multiple teams to expand automation coverage across APIs, backend services, and...

Copyright Clearance Center (CCC) seeks a Senior Software Engineer to join our global team delivering enterprise software for pharma and publishing. You will collaborate with cross-functional engineering, participate in analysis, design, development, testing and documentation, and help shape scalable, secure systems. Work includes building back-end services...

Desarrollador/a Sr Backend Python-Django Desarrollador/a Sr Backend Python-Django ¿Quieres unirte a una empresa de rápido crecimiento, líder en el mercado y que proporciona última tecnología en asistentes virtuales multicanal? Nuestro cliente es una empresa SaaS líder en el desarrollo de productos conversacionales con inteligencia artificial (IA). ...

VISEO IBERIA busca ampliar su equipo de Backend & Java y progresar en proyectos internacionales. Se desarrollará en Java (v.21) y Node.js con Nest.js, en entornos multinacionales y con un equipo de expertos en tecnologías de vanguardia.El rol incluye trabajar con AWS (Lambda, SQS, S3, ECS), participar en CI/CD y aplicar la arquitectura hexagonal, con...

Max IT Consulting - Max Corporate Group in Spain is seeking a Senior Fin Tech Engineer specialized in Payments & Financial Systems to join a fast-growing New York fintech company. This fully remote role focuses on banking, payments, and settlement infrastructure for prediction markets and regulated gaming. You will own end-to-end production systems, ensuring...

Work Your Magic with us! Ready to explore, break barriers, and discover more? We know you’ve got big plans – so do we! Our colleagues across the globe love innovating with science and technology to enrich people’s lives with our solutions in Healthcare, Life Science, and Electronics. Together, we dream big and are passionate about caring for our rich...

Jobgether is seeking a Principal Software Engineer (Backend) to join a fully remote engineering team. You will design, develop, and maintain scalable backend systems powering innovative products, collaborating with engineers to influence architecture and the development lifecycle.A proactive problem-solver with strong backend expertise is needed to drive...

Hupp IT Careers is seeking a Medior/Senior Back-end Developer (PHP/Laravel) for a Dutch digital agency, remote from Valencia. You will build custom Laravel applications for clients with high standards, translating requirements into solid technical solutions and taking ownership of features.You will work with Laravel 12, PHP 8.4+, PostgreSQL/MySQL,...

Work Your Magic with us!Ready to explore, break barriers, and discover more? We know you’ve got big plans – so do we! Our colleagues across the globe love innovating with science and technology to enrich people’s lives with our solutions in Healthcare, Life Science, and Electronics. Together, we dream big and are passionate about caring for our rich...

SEREM Consultoría empresarial busca talento especializado en desarrollo de software con Java, Spring Boot y PHP para proyecto estable en un entorno internacional, orientado a soluciones para el sector logístico.La posición requiere experiencia en desarrollo backend, análisis de requisitos y diseño a lo largo del ciclo de vida del software, con enfoque...

Grafana Labs is seeking a Senior Engineer for Pyroscope, our open-source profiling platform, in a fully remote role across the global team. You will own end-to-end projects, design core database components, and align with customers to shape the product roadmap while maintaining a strong focus on reliability and cost efficiency.We value collaboration across...

Knowmad Mood busca un/a Arquitecto/a PHP Senior para un rol estratégico dentro de nuestra Comunidad de Arquitectura. Buscamos un perfil con más de 8 años de experiencia en desarrollo y arquitectura de software, capaz de actuar como referente técnico y liderar decisiones de arquitectura.Definirá arquitecturas escalables, diseñará APIs y microservicios,...

CGM Clinical Espana SL is seeking a Senior Quality Engineer (Automation & AI) to design and implement testing strategies for modern health tech applications. You will develop Python-based automation frameworks, perform API and UI tests with Playwright, and ensure CI/CD integration while collaborating with cross-functional teams in a bilingual environment.You...

To Be IT ищет старшего Full Stack разработчика для международного проекта в Барселоне. Требуется глубокий опыт в Frontend и Backend: Next.Js/React и Python/Fast API, умение работать автономно и обеспечивать качество,...