Empleos de senior backend engineer python en Barcelona

Overview We are looking for a Senior Java Backend Engineer to join a long-term freelance project in Barcelona (hybrid: 3 days onsite, 2 remote). This role is part of a strategic transformation initiative in the financial sector, modernizing data management systems with cloud-native technologies and agile methodologies. Responsibilities Build and...

Stark Future SL is seeking a Senior Backend Engineer to design, develop, and operate production web services that power our AI-enabled backend. You will own critical components and collaborate across product, AI, and operations teams in a fast-moving Barcelona-based environment. Join a ambitious team building premium electric motorcycles and a scalable...

Lingo is building a cutting-edge digital health platform that fuses continuous biosensor data with high-performance backend engineering to enable real-time insights for healthier living. The backend acts as the heartbeat, transforming biosensor signals into actionable health information for users across global deployments. We are seeking a Senior Backend...

DAVANTIS TECHNOLOGIES busca un profesional con amplia experiencia para diseñar y desarrollar el backend que conecte miles de dispositivos edge con la nube y permita análisis de vídeo en tiempo real. Participarás en decisiones de arquitectura, rendimiento y seguridad dentro de un entorno de IA y visión por computador. Se valora experiencia en...

Capitole busca un/a Senior Backend Engineer con amplia experiencia para unirse al equipo en Barcelona. Desarrollarás el backend de la plataforma, creando APIs REST seguras e integraciones con sistemas internos y de terceros. Trabajarás con Node.js/TypeScript, PostgreSQL y Redis, en una arquitectura API-first sobre Azure, con prácticas DevOps y seguridad...

Rover is looking for an experienced backend software engineer to join our Trust & Safety Engineering team in Barcelona. You will design, build, and maintain scalable backend systems, collaborate with product, design, data science, and frontend engineers, and apply AI-augmented workflows to shipping code. We value strong coding practices, ownership, and a...

A leading consumer electronics retailer in Barcelona is seeking an experienced software developer to design and maintain backend services using Kotlin. The role requires at least 5 years of experience in server-side development, familiarity with Google Cloud, Docker, and Kubernetes, and a passion for agile methodologies. The position offers flexible working...

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...

Infotel in Spain's Barcelona area is seeking a Senior Java Backend Engineer to join our Java Development Competence Center. Reporting to the Tech Lead, you will contribute to the design and development of high-quality software solutions for international clients. You will work on Java 17/21, Spring Boot, microservices, REST APIs, Kafka, and occasional...

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...

Tappx ищет опытного PHP Backend разработчика в AdTech секторе для проектирования, реализации и поддержки SSP-проектов, ориентированных на масштабируемость. Роль включает руководство полным жизненным циклом...

Titan Operating System S.L. (Titan OS) из Барселоны ищет Senior Backend Engineer для разработки масштабируемых серверных решений, поддержки API и баз данных. Вы будете работать с Rails, облаками и контейнерами, чтобы обеспечить...

Veepee ищет опытного инженера-программиста в Барселоне для разработки и переработки функций в наших продуктах. Опыт в C#/.NET Core, API и тестах обязателен; знание облачных инструментов приветствуется,...

Our mission and customers: We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.7 on Trustpilot, based on 60,000 reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75...

Ersilia is seeking a senior backend engineer to own critical systems and contribute to the roadmap. You will implement code, review it, test rigorously, and ensure reliability, performance, and correctness across production environments. Work autonomously with high ownership, collaborating with engineering and product teams while balancing risk and...

ERNI ищет специалиста по бэкенду для разработки и поддержки сервисов аутентификации и управления идентификацией в облаке. Вы будете работать с .NET 6+ и Azure, внедрять CI/CD и участвовать в документации и...

AgileEngine is seeking a Python Developer to build and scale an event-driven integration platform, including APIs, resilience mechanisms, and AI-facing integrations.In this role you will design OpenAPI/AsyncAPI interfaces, work with Kafka, and ensure reliability across distributed systems, with opportunities to apply GenAI tooling in daily workflows.The team...

Experteer Overview In this role you build, operate, and evolve a cloud-based Data u****amp; Analytics Platform.You'll work with cross-functional teams to deliver value from enterprise software in distributed architectures.Expect ownership, hands-on coding, and a chance to influence project decisions while advancing technical excellence.You'll collaborate...

MediaMarktSaturn Plattform Services GmbH in Barcelona is seeking a senior backend developer to design, implement and operate scalable services for our Global Loyalty ecosystem. You will work with Kotlin, GCP, and modern DevOps practices to deliver reliable solutions that power millions of interactions across Europe. The role emphasizes event-driven...

Vortech PCI Group busca un/a Senior Backend Engineer especializado/a en .NET para un proyecto de facturación estratégico con clientes internacionales del sector software. Perfil enfocado en backend, con experiencia en arquitecturas modernas, sistemas distribuidos y buenas prácticas de ingeniería. Se requiere dominio de C#/.NET, APIs REST,...