backend python

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...

A fast-growing fintech company in Madrid is seeking a Senior Python Backend Engineer to enhance key backend and data projects. This role includes migrating legacy processes to modern cloud-based solutions and designing scalable applications in Azure. Ideal candidates will have over 5 years of experience in Python and a strong background in data management,...

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...

Sectorea busca un/a AI Developer para participar en proyectos internacionales de alta relevancia, desarrollando soluciones avanzadas en Inteligencia Artificial Generativa y arquitecturas escalables. Los candidatos deben tener experiencia sólida en desarrollo backend con Python y automatización inteligente. Ofrecemos un entorno técnico innovador, flexible...

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...

About Orbio Orbio is an AI-native human capital management platform building a Digital Workforce for HR . We design and deploy agentic systems that take ownership of operational execution across hiring, onboarding, and employee operations — while keeping humans in control. We work with large, complex organizations across sectors such as...

Octopus Energy is hiring a Backend Engineer to join a cross-functional team focused on high-impact MVPs for internal tools and customer-facing services. You’ll identify real business needs, propose practical tech solutions, and implement them rapidly.We value curiosity and proactive problem-solving, with an emphasis on delivering scalable backend systems...

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...

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...

At Roche you can show up as yourself, embraced for the unique qualities you bring.Obtenga más información sobre este puesto leyendo los detalles a continuación y luego envíe su solicitud para ser considerado.Our culture encourages personal expression, open dialogue, and genuine connections,where you are valued, accepted and respected for who you are,...

Paradigma Digital en España busca un desarrollador backend con Python y Django para construir APIs rápidas, observables y escalables, optimizando desde la base de datos hasta la entrega continua. Se valora experiencia en Django Rest Framework, PostgreSQL, Redis, Celery y herramientas de observabilidad como OpenTelemetry y Datadog.Se trabajará en pipelines...

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...

Experis Manpower Group in Madrid seeks an engineer to own technical products and drive end-to-end projects with a cross-functional team. You will apply deep programming knowledge and cloud experience to deliver tangible business value from day one.The role favors an entrepreneurial mindset, proactive problem solving, and a passion for learning in a dynamic,...

A leading technology recruitment firm is looking for a Python Developer in Barcelona to build scalable backend systems utilizing Python and Flask. The ideal candidate has over 3 years of experience in Python programming and hands-on experience with Flask. They offer a flexible, remote-friendly work culture, career growth opportunities, and work on projects...

Can you imagine building the backend of an innovative Agentic AI solution? Join our expert team to work on an AI-focused project, contributing to the development and evolution of an intelligent backend platform. You will apply your knowledge of Python, OpenShift, Docker and cloud-native technologies to build scalable services and integrate modern AI...

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace.Our momentum comes from a simple idea: help teams work smarter,...

A fast-growing fintech company in Madrid is seeking a Senior Python Backend Engineer to enhance key backend and data projects. This role includes migrating legacy processes to modern cloud-based solutions and designing scalable applications in Azure. Ideal candidates will have over 5 years of experience in Python and a strong background in data management,...

Sectorea busca un/a AI Developer para participar en proyectos internacionales de alta relevancia, desarrollando soluciones avanzadas en Inteligencia Artificial Generativa y arquitecturas escalables. Los candidatos deben tener experiencia sólida en desarrollo backend con Python y automatización inteligente.Ofrecemos un entorno técnico innovador, flexible y...

En VISEO contamos con más de 20 años de experiencia como consultora tecnológica implementando proyectos punteros. Nos diferenciamos por la participación en proyectos innovadores de soluciones Cloud, usando tecnologías Microsoft. Buscamos un/a Python Software Engineer (APIs & Azure) Con inglés alto. Tu rol será clave en el desarrollo, mantenimiento y...

Neara is looking for a Senior Software Engineer (Backend) to join our remote engineering team. You will design, build, and maintain backend services in Go and Python across a microservices architecture. Your role involves collaborating closely with clients and taking ownership of features from inception to deployment.The ideal candidate has 7+ years of...