Empleos de senior backend engineer python en Madrid

Bark is an online services marketplace connecting customers with professionals across 1,000+ categories. We are expanding in Europe and migrating to a full marketplace with subscription pricing, backed by EMK Capital. We are seeking a Senior Full Stack Engineer based in Spain to join a small, agile squad owning the Acquisition domain and marketing tech with...

Inno IT Consulting in Barcelona, Catalonia, seeks a Senior Backend Engineer to join the Core Team. This role develops reusable libraries and foundational components for multiple product teams in a cloud-native distributed environment. You will drive the migration from monolith to microservices, enhance performance and observability, and uphold standards like...

¿Todavía no conoces HIBERUS ? Somos una empresa de #tecnología construida con un ingrediente diferencial, la HIPERESPECIALIZACIÓN. Formar parte de hiberus significa crecimiento, pasión por la tecnología, interés por la innovación, ambiente laboral flexible y colaborativo, compañerismo, aprendizaje, formación continua, motivación y superación ante...

Pearson is seeking a highly autonomous Senior Backend Engineer to design, implement, and scale backend services for AI-enabled digital products.You will collaborate across teams to define requirements and timelines while advancing DevOps, Clean Code, and DDD practices.The role emphasizes secure, scalable architectures and mentoring junior engineers.The...

Pearson is seeking a Senior Software Engineer to design and deliver backend components for digital learning products. You will work on AI-enabled features and scalable services in a hybrid setup, collaborating with cross-functional teams across Madrid or Poznań.A strong emphasis on DevOps, Clean Code, and modern architectures is expected. The role requires...

About Our Company Fortuna has become an established brand among customers within just a few years. We became a proud international Family of companies carrying Fortuna Entertainment Group from the first betting shop. About Our Company Fortuna has become an established brand among customers within just a few years. We became a proud international Family...

En Accude estamos buscando un Senior Java Backend Engineer para incorporarse a un proyecto en modalidad híbrida en Madrid. Funciones Actuar como experto técnico responsable del mantenimiento y la evolución de una parte de nuestra plataforma digital interna. Desempeñarse como ingeniero experimentado en desarrollo de software Java, con capacidad...

Job Description Ciklum is looking for a Senior Python Engineer to join our team in Spain. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we...

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,...

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,...

HIBERUS busca un Senior Backend Engineer para liderar el desarrollo de servicios backend distribuidos, con foco en seguridad, rendimiento y escalabilidad. El rol combina desarrollo software con buenas prácticas de integración y despliegue continuo, trabajando en un entorno internacional y con tecnologías modernas. La posición ofrece contrato indefinido,...

Jobgether is seeking a Senior Backend Developer to join a remote-first, international team. You will design and optimize backend services with Java and Spring Boot, implement REST APIs, and work across distributed systems with a focus on reliability and scalability.You will apply LLM-based capabilities, RAG pipelines, and agent-tool orchestration to enhance...

Joppy, empresa tecnológica líder en Europa, ofrece un puesto híbrido en Madrid para desarrollador Backend PHP/Symfony o Laravel. Se busca combinar calidad de código con foco en producto, trabajando en un entorno dinámico y en crecimiento, con 3 días en oficina.El rol requiere experiencia sólida en PHP y frameworks, visión orientada a pruebas y buenas...

Scopely is seeking a Senior Backend Engineer to join the Monopoly GO! team in Barcelona on a hybrid basis. You will design, build, and operate robust C# services, data pipelines, and APIs to power live game operations and internal tools. You will collaborate with product, design and other engineers, drive architectural discussions, improve observability, and...

Join to apply for theSenior Backend Engineerrole atRevenueCat .RevenueCat removes the headaches of building and scaling in‑app subscriptions. Since graduating from YC’s S18 batch we’ve grown into the default monetization platform for mobile: we’re in > 40% of newly shipped subscription apps, we process $10B+ in annual purchase volume, and we help...

Luxoft Spain is seeking a skilled Java backend engineer to join our development team working on sophisticated software for a global orthodontics leader. You will design and develop web systems, contribute to API services, and help integrate internal systems across the manufacturing process. The role requires 5+ years of Java experience, deep knowledge of...

Findnido busca incorporar su primer perfil senior de ingeniería: un/a Ingeniero/a de Software Full Stack Senior. El rol combina desarrollo hands-on con evolución hacia liderazgo técnico y la futura posición de Tech Lead, en un equipo de 20 personas. La empresa ofrece un modelo híbrido con 1 día presencial por semana en Madrid y foco en productos SaaS...

Vortech PCI Group S.L. busca un Senior Backend Engineer especializado en .NET para un proyecto estratégico de modernización tecnológica en Madrid. Se valoran habilidades en microservicios, APIs REST, arquitecturas hexagonales y prácticas SOLID, con experiencia en entornos distribuidos y IA aplicada al desarrollo.La posición es híbrida y colabora con...

Swiss Re is seeking a Senior Backend Engineer in Madrid to design, build and operate core services powering our enterprise IT ecosystem. You will lead backend development with Golang, implement RESTful APIs and CI/CD pipelines, and support AI-enabled PoCs in collaboration with product teams.You will work on the Federated API, CMDB integrations, and scalable...