Empleos de backend python en Barcelona

Sobre el puestoBuscamos un Senior Backend Engineer hands-on para unirse a nuestro equipo de Inteligencia Artificial. Tu objetivo principal será diseñar, construir y operar servicios en Python que lleven modelos de IA y LLMs a un entorno de producción real, seguro y de alta disponibilidad a nivel internacional.Buscamos a alguien que disfrute resolviendo...

Ingeniero/a Backend Python Senior | CiberDefensa | Barcelona (Híbrido)Perfil profesional: Defensa y SeguridadExperiencia requerida: Más de 2 años de experienciaModalidad del puesto: HíbridoEn Indra Group, protegemos lo que más importa.Desde nuestra unidad de Defensa, desarrollamos soluciones tecnológicas avanzadas que refuerzan la seguridad nacional e...

Job DescriptionJob Title: Python DeveloperJob Type: ContractLocation: RemoteJob Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters. Key...

Fliff is building data-driven sports gaming platforms with real-time data pipelines and a focus on correctness, observability, and resilience. We seek a Senior Python Engineer to own core backend systems. You will work on sports data ingestion, transformation, and distribution, collaborating across squads to ensure timely, accurate data feeds and reliable...

A leading software development company in Barcelona is seeking a Senior Software Engineer (Python / Backend) to lead backend development and contribute to an AI-powered platform.Asegúrese de presentar su candidatura con toda la información solicitada, tal como se expone en la descripción del puesto a continuación.Candidates should have over 4 years of...

In this role you will own the full software development lifecycle for high-performance C# applications while serving as a Scrum Master. You will collaborate with cross-functional teams in a hybrid 75/25 setup to deliver robust software and empower the development team through Agile practices. You will tackle ambiguity, apply modern AI-assisted tools, and...

papernest is seeking a Senior Backend Developer with 5+ years of Python experience and deep Django knowledge to own the technical direction of the B2B platform that powers contracts for agents and clients across Europe.You will work with teams in France, Spain and Poland, shaping data models, automation of billing processes, and integration with internal and...

Citibeats in Barcelona is looking for an experienced Backend Software Engineer to join their fast-growing team. The role involves developing new features, API endpoints, and maintaining the AI & NLP platform. Ideal candidates should have at least 3 years of experience in Python, preferably with Django, and be fluent in both Spanish and English.Citibeats...

Lingo in Barcelona seeks a Senior Software Engineer (Backend) to design, build, and optimize backend systems handling real-time biosensor data. You will develop scalable microservices, APIs, and event-driven integrations across cloud deployments, collaborating with Product, Platform/SRE, and Data/ML teams.You will mentor junior engineers, participate in...

One of the companies we work with at Joppy is looking for a Backend Engineer to join the team. Work modality: HYBRID in Barcelona (3 days/week at office). We're looking for an experienced backend engineer with depth. You'll come from a Backend Engineering background - Python, APIs, distributed systems - but what matters most is your motivation to build...

We're Hiring: Backend Engineer (Hybrid - Barcelona) Los candidatos deben tomarse el tiempo de leer atentamente todos los elementos de este anuncio de empleo. Por favor, envíen su solicitud sin demora.We are expanding our core engineering team. We are looking for an experienced Backend Engineer who thrives on solving complex technical challenges across...

Supersonik seeks Senior Engineers to join our core team in Barcelona. You will tackle complex technical problems, shape product architecture from day one, and thrive in a fast-growing startup. You should be fluent in modern Python, async programming, and adept at building scalable, event-driven systems.You’ll work across frontend to infrastructure to...

ERNI in Barcelona is seeking a senior backend engineer to build and evolve an intelligent Python-based backend for an Agentic AI solution. You will implement scalable services, secure APIs, and cloud-native components using Python, OpenShift, Docker, and related tools.You will join a supportive team, work in a hybrid model (office 2 days a week), and...

As part of a collaborative, cross-functional team, you'll work alongside experienced engineers, product managers, designers, and analysts while continuing to grow your technical skills and software engineering expertise. Design, develop, test, deploy, and maintain backend services with the support of your teammates. Collaborate closely with engineers,...

Indra Group busca un/a Ingeniero/a Backend Python Senior para unirse a proyectos vinculados a soluciones basadas en inteligencia artificial.¿Quiere presentar una candidatura? Asegúrese de que su CV está actualizado y luego lea atentamente las siguientes especificaciones del puesto antes de solicitar.Puesto híbrido en Barcelona, con diseño de servicios...

Lingo in Barcelona seeks a Senior Software Engineer (Backend) to design, build, and optimize backend systems handling real-time biosensor data. You will develop scalable microservices, APIs, and event-driven integrations across cloud deployments, collaborating with Product, Platform/SRE, and Data/ML teams.You will mentor junior engineers, participate in...

In this role you will own the full software development lifecycle for high-performance C# applications while serving as a Scrum Master. You will collaborate with cross-functional teams in a hybrid 75/25 setup to deliver robust software and empower the development team through Agile practices. You will tackle ambiguity, apply modern AI-assisted tools, and...

Amphora Logistics busca un Backend Developer con Python para unirse al equipo de Atenea, nuestro software de gestión logística inteligente. Desarrollarás servicios backend, APIs y arquitecturas orientadas a eventos, trabajando en una plataforma cloud-native para miles de operaciones diarias.Trabajarás de forma cercana con producto y equipos tecnológicos...

Hola Consultores SL en Barcelona busca Desarrolladores Backend Junior con Python para el sector aeronáutico. Trabajarás desarrollando aplicaciones y scripts para modelar, automatizar y optimizar procesos de costes, manteniendo código de alta calidad.Se valorará experiencia en Docker, CI/CD (GitHub Actions, Jenkins) y servicios AWS (API Gateway, EKS, S3)....

Joppy is seeking a Mid-Level Data Engineer to design, build, and optimize data pipelines and backend services for clean, reliable data across the organization. The role focuses on scalable ETL/ELT workflows and production-grade Python code.You’ll work in Barcelona with hybrid hours, collaborate on SQL/NoSQL schemas, implement tests, and participate in...