Empleos de senior backend engineer python en Madrid

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...

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,...

At Fourthline, our mission is to fight financial crime. We help protect the global financial system by verifying millions of identities for banks, neobanks, online brokers, crypto exchanges, and insurers like N26, Trade Republic, flatex DEGIRO, Nationale Nederlanden, Qonto, Shine, Solarisbank, and more. Having started our journey in January 2018, we're...

Is this you? Titan Operating System S. L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company is looking for you! At Titan OS, we live by three core values: Make things happen - We take ownership, move fast, and deliver impact. No ego - We collaborate with respect and humility to reach shared goals. Show genuine passion - We...

Crowd Farming® es el principal mercado tecnológico europeo de agricultor a consumidor. Estamos construyendo toda la tecnología y la logística para que los consumidores puedan acceder al mayor catálogo de agricultores ecológicos y regenerativos. Nuestra visión es construir la cadena de suministro de alimentos más sostenible para que los agricultores...

About the Role Our promotional features team is seeking a Senior Backend Engineer. This role is focused on developing and optimising promotional features for our gaming platforms, where performance, scalability, and cutting-edge solutions are paramount. If you’re a product-passionate person, your mind is keen to solve deep tech engineering problems, and...

Colliers is a leading diversified professional services and investment management company. With operations in 68 countries, our 22,000 enterprising people work collaboratively to provide expert advice to maximize the potential of property and real assets to accelerate the success of our clients, our investors and our people. We are at the forefront of the...

Backend/ Full Stack Software Engineer - Mid - Senior Level Regular Full-Time Software Design Los Barrios, Cádiz, ES Moffatt & Nichol specializes in large complex waterfront infrastructure projects and is recognized as one of the worldwide leaders in this field. We are actively looking for a Backend/ Full Stack Software Engineer - Mid to Senior level to join...

Twin Red is seeking an experienced backend engineer to join our Barcelona team. You will design, build and maintain high-performance, scalable systems handling large traffic volumes, with Go (Golang) as a core part of our stack, and occasional work on Scala/PHP legacy code. You will collaborate across teams to translate business requirements into robust...

Experis España busca un Senior Backend & AI Engineer para unirse a nuestro equipo de proyectos de consultoría, colaborando en una plataforma de agentes de IA basada en tecnologías Microsoft y modelos LLM. 100% remoto.Construirás el núcleo en .NET 8: API multi-tenant, motor de agentes y gateway de modelos, motor de trabajo asíncrono, aprobaciones...

Un profesional con al menos 5 años de experiencia en desarrollo backend con Java, acostumbrado/a a trabajar con arquitecturas distribuidas y microservicios, y con capacidad para diseñar soluciones robustas, escalables y mantenibles. Requisitos técnicos * Experiencia sólida en Java y desarrollo backend. * Diseño y desarrollo de arquitecturas basadas en...

Intellectsoft seeks an experienced ML/backend engineer to build scalable ML platforms and backend systems in Spain. You will design and deploy APIs with FastAPI, implement MLOps for model KPI tracking, drift detection, and feedback loops, and orchestrate LLM workflows with LangChain. You will integrate Azure OpenAI (GPT-4) and other providers, ensure async,...

Dev. Pro is hiring a Senior QA Engineer to oversee end-to-end quality for a large-scale blockchain platform. The role combines hands-on manual testing with building and expanding test automation across backend services, distributed systems, and blockchain integrations. You will define QA strategies, write test plans, and establish quality gates, partnering...

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...

Senior Backend Engineer role at Grafana Labs focused on Go development for cloud services, offering remote work in Spain with competitive salary and benefits.

Playson is seeking a Senior Backend Developer to own and optimize core backend services in a high-load platform. You will work closely with product and engineering teams to design, build, and scale scalable backend features while maintaining top reliability and performance. The role emphasizes hands-on production code, on-call responsibilities, and...

Senior Backend Engineer (m/f/d), Driver Onboarding | Freenow* Navigation* Inhalt* Fußzeile* Safety Download the app## **YOUR DAILY ADVENTURES WILL INCLUDE:*** Own the Feature, Own the Code – feel responsible for what you create. It all starts with bringing in your feature ideas, goes over development, testing and ends in deploying your code and monitoring...

A global creative technology firm is seeking a Senior Software Engineer excited to build innovative tools for video advertising. This fully remote role involves improving an Ad Scoring API and designing scalable data systems. The ideal candidate will have 7+ years of backend experience, deep Python skills, and familiarity with LLMs. Join a diverse team...

Nn Group busca un Desarrollador Senior de Python enfocado en Data Science para trabajar de forma remota. El candidato ideal debe liderar proyectos de ML, realizar EDA y construir pipelines eficientes en un entorno de consultoría IA. Se valorará sólida experiencia en Pandas/NumPy, TensorFlow/Keras o PyTorch, y dominio de SQL/NoSQL. La posición ofrece...

BCNC Group está en búsqueda de un/a Senior Backend Developer Java para unirse a un equipo de producto enfocado en crear y evolucionar soluciones digitales escalables con alto impacto en negocio. Se trabajará en diseño y desarrollo de servicios backend con Java 21, Spring Boot, microservicios y Kafka dentro de un entorno ágil, con entregas continuas de...