Empleos de senior python backend en Barcelona

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Developer (Node.js/Python) based in Spain.As a Senior Software Developer, you will help build the backend and AI systems that support an innovative, rapidly growing technology business in the electric mobility...

We are looking for a Python Developer with strong experience in Python and Flask to help build scalable backend systems.Our client is a global leader in legal research technology, providing access to one of the most comprehensive collections of legal information worldwide. By leveraging AI and advanced data analytics, they’re transforming how legal...

The Whiteam busca un Analista Programador Spring Boot para un proyecto tecnológico basado en microservicios y entornos cloud. Desarrollarás backend con Java y Spring Boot, creando APIs REST seguras y escalables, trabajando con PostgreSQL, JPA/Hibernate, OAuth2, JWT y AWS. La posición ofrece teletrabajo y un entorno de desarrollo moderno, con 4+ años de...

We're expanding the Backend Lead behind an AI-powered product built on modern LLM technologies.You will own the platform services domain, partnering closely with product and engineering to turn ambitious ideas into scalable, production-ready systems.Requirements6+ years of experience building and shipping production software.3+ years of hands-on experience...

A specialized AI opportunity platform is seeking a Senior Python Developer to create functional tests and manage Docker environments. Ideal candidates should have over five years of software engineering experience, with expertise in Python and deep functional testing skills. The role offers remote, flexible participation at a competitive rate based on...

About The CompanyScrambly is one of the fastest-growing adtech startups in the world, featured in the AppsFlyer Performance Index and Singular ROI Index in just 3.5 years. We're growing 250%+ YoY across revenue, team, product, and technology - fully bootstrapped and profitable. We're building the future of app discovery: a reward-powered alternative to the...

Senior Backend Engineer (TypeScript / Node.js) | 100% remoto | 4 días/semana (Lunes a jueves) | 45K–60KEnKYNAUTbuscamos incorporar un/aBackend Engineer muy seniorpara participar en la evolución del plano de dominio de una aplicación, trabajando sobre susAPIs REST y una arquitectura orientada a eventos.Buscamos un perfil con una trayectoria técnica...

Se buscan Ingenieros Backend (Java o Python) senior e intermedio para proyectos de ciberseguridad en Barcelona. Se requiere experiencia en desarrollo backend, APIs, bases de datos y metodologías ágiles. El puesto es híbrido con un 40% de teletrabajo.

Lever, Inc. is seeking a Senior Backend Engineer – Data Core for a partner company based in Spain. You will design and run data infrastructure powering a large-scale creator data platform, handling 400M+ creator profiles across Instagram, TikTok, and YouTube. This remote-first role emphasizes autonomy, end‑to‑end ownership, and cost-efficient, reliable...

Coforge busca un/a Senior Java Developer con sólida experiencia en desarrollo y mantenimiento de aplicaciones empresariales basadas en tecnologías Java. Trabajarás con Java 8, Spring Framework, PL/SQL, Oracle y Struts en entornos corporativos complejos para garantizar calidad, estabilidad y escalabilidad. Colaborarás estrechamente con analistas...

The Whiteam Consulting busca un Senior Backend Developer con sólida experiencia en Java, Spring Boot y Spring Batch para liderar la modernización de sistemas mainframe. Trabajarás en la migración de procesos COBOL hacia arquitecturas Java modernas, aplicando herramientas de IA en el SDLC y automatización avanzada. El rol implica diseñar soluciones,...

Estamos buscando incorporar un/a Programador/a Senior Backend con sólida experiencia en Java y Spring Boot para participar en un proyecto de larga duración. Stack y conocimientos imprescindibles: * Desarrollo y consumo de APIs REST * Spring WebFlux, mínimo 1 año de experiencia * Testing con JUnit y Mockito, tanto unitario como de integración *...

Lever, Inc. is seeking a Senior Backend Software Engineer for its Future Hiring Program, based in Spain. You will join a forward-thinking engineering team delivering high-impact software for global enterprise clients across diverse industries. Working remotely within Europe, you will contribute to design, development, and deployment of scalable backend...

Abacum, the leading Business Planning solution, is hiring a Software Engineer to join our Barcelona team. You will work on a multi-disciplinary squad building a real-time calculations engine and data visualisations, collaborating with designers, product, and other engineers. We value ownership, fast learning, and a hands-on approach to shaping our technical...

Pluxee invites a Senior Backend Engineer to join the Payments Squad, building resilient, high-volume backend services for global money movements. You will own critical components, implement robust tests, and collaborate with frontend and product teams. You thrive in distributed systems, apply AI-assisted development, focus on data consistency, idempotency,...

commercetools is seeking a Senior Search Engineer to join the Discovery Team to build the retrieval layer behind product discovery for leading ecommerce brands. You will enhance search across catalogs, enabling fast, cost-effective results in a scalable JVM backend. You will work on lexical, semantic, and hybrid retrieval with ElasticSearch/MongoDB,...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Backend Engineer, AI Tooling based in Spain. This is a high-impact engineering role focused on building the platforms, tooling, and AI-powered capabilities that help engineering teams move faster without compromising...

Allianz Technology in Barcelona is looking for a seasoned Java Developer to modernize legacy systems and develop innovative insurance products. Join a dynamic team leveraging Java, Spring Boot, and Agile methodologies to enhance business solutions. With a hybrid work model, enjoy benefits including healthcare, a company bonus scheme, and career development...

Tappx is hiring a Senior Java Backend Developer to join the Performance Tech team in our IT department. The role focuses on coding, debugging, and maintaining high-quality backend services in Java, with a hybrid/remote setup across Spain. You will work across the application lifecycle, gather requirements, and collaborate with data and product teams to...

Titan Operating System, based in Barcelona, seeks a Senior Backend Engineer - Go to design, develop, and maintain scalable backend infrastructure powering our products and services. You will ensure security, reliability, and performance while integrating cutting-edge technologies to support growing user demand. You will collaborate with cross-functional...