backend python

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. Candidates should have over 4 years of experience in Python, strong problem-solving skills, and the ability to work independently. This role offers competitive USD-based...

Ai Scale Up is seeking an experienced Backend Engineer to advance our Python backend and AI pipeline stack in an international, 100% remote setup. You will design robust REST APIs, implement strong typing, and craft agentic workflows with LangGraph and LangChain for large-scale data processing.The role requires hands-on experience with Python, FastAPI, LLM...

Shakers busca un/a Senior Backend Engineer en Python para unirse a su unidad de producto en Madrid. El candidato trabajará en servicios Python con FastAPI, arquitectura limpia y sistemas distribuidos, enfrentando incertidumbre y autonomía total.Se requiere experiencia real con FastAPI, diseño de sistemas distribuidos y manejo de colas (RabbitMQ/Celery)....

Devoteam Spain busca un Desarrollador Senior Python para formar parte de un equipo ágil, centrado en servicios backend escalables y soluciones basadas en contenedores. Colaborarás con DevOps y Product para definir y entregar APIs modernas desplegadas en entornos de alta disponibilidad.El candidato ideal domina Python y FastAPI, diseña APIs REST/GraphQL...

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...

Ai Scale Up is seeking an experienced Backend Engineer to advance our Python backend and AI pipeline stack in an international, 100% remote setup. You will design robust REST APIs, implement strong typing, and craft agentic workflows with LangGraph and LangChain for large-scale data processing.The role requires hands-on experience with Python, FastAPI, LLM...

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...

SEREM Consultoría Empresarial busca un/a Desarrollador/a Python con experiencia en MongoDB para participar en un proyecto orientado a soluciones de negocio que requieren cálculos complejos y lógica avanzada. Formarás parte del equipo de desarrollo en Sevilla, trabajando en diseño e implementación de software con Python y MongoDB, analizando y...

Responsabilidades Diseñar e implementar microservicios y APIs REST/GraphQL en TypeScript (Node.js) y Python. Construir soluciones event-driven integrando colas/streams (SQS/SNS, Kinesis/EventBridge o Kafka) y BPM/Step Functions. Diseñar y operar componentes en AWS (Lambda, API Gateway, S3, RDS/DynamoDB, IAM), asegurando seguridad, coste y resiliencia....

MK Development busca un/a Desarrollador/a Python para integrarse en un equipo de sistemas embarcados del sector transporte.Si desea conocer los requisitos para este puesto, siga leyendo para obtener toda la información relevante.Trabajo presencial en Getafe, 40h semanales, horario de oficina y entrada/salida flexibles.Desarrollarás software industrial para...

BarcelonaEngineering - Engineering /Full-time /HybridWho we are: Headquartered in Seattle and Barcelona, we’re a values driven, fast-growing tech company focused on building safe and personalized experiences tailored to the needs of each unique pet. We’re investing in AI as a business accelerator and provide every team member access to AI tools in...

Indra Group busca un/a Ingeniero/a Backend Python Senior para unirse a proyectos vinculados a soluciones basadas en inteligencia artificial. Puesto híbrido en Barcelona, con diseño de servicios backend robustos y escalables y colaboración con equipos multidisciplinares para llevar soluciones a producción. Se valorarámás de 2 años de experiencia y...

A technology consulting firm in Barcelona is seeking a Senior Python Developer to lead the design, development, and delivery of backend solutions. The ideal candidate will have over 5 years of experience in Python development, strong expertise in frameworks like FastAPI and Django, and a solid understanding of cloud environments. This role offers a full-time...

King is seeking a Python-focused backend developer in Barcelona to design, build, and operate data-driven services and APIs at scale. You will work across forecasting and analytics workloads, contributing to distributed systems and cloud-native pipelines that power decision-making. Join a collaborative team shaping internal tools and interfaces, integrating...

Indra Group busca un/a Desarrollador/a Python para unirse a un equipo técnico que diseña, desarrolla y mantiene soluciones software con foco en backend y evoluciones de API.Se valoran 2-3 años de experiencia, conocimientos en POO, APIs REST y bases de datos SQL, así como experiencia con Git y prácticas de testing. Se trabajará en un entorno...

Una empresa tecnológica en España busca un desarrollador back-end Python con experiencia en FastAPI o Flask para construir plataformas de software alineadas con la estrategia de IA. Se requiere al menos 5 años de experiencia, habilidad en sistemas distribuidos, APIs RESTful y pipelines de CI/CD. Un entorno flexible que fomenta el trabajo en equipo y un...

3MT GALICIA GLOBAL SERVICES, S. L. en Valencia busca un Tech Lead Backend para liderar un proyecto sanitario de alto impacto orientado al procesamiento de grandes volúmenes de datos.La persona combinará liderazgo técnico y hands-on, enfocado en buenas prácticas, escalabilidad y resiliencia, trabajando con Python, Node-RED y prácticas DevOps....