Empleos de backend python en Barcelona

About the opportunity You will be part of the Intelligent, which cross-functional teams power the operations at N26 and in some cases enable other tech teams through a robust platform approach. We are seeking a talented Lead Engineer to join our expanding teams and evolve our product, powered by a microservice architecture predominantly written in Java and...

Preply is looking for a Senior Full Stack Engineer in Barcelona to help shape the future of our learning platform. You will balance backend focus (Python/Django) with frontend work (React/Typescript), driving data-informed product decisions and scalable architecture.You’ll mentor peers, raise engineering standards, and partner with product, data, and UX...

WHO WE ARECreating content that resonates is great — turning that attention into growth is even better. That's what Manychat does.Our AI-powered automations help creators and brands engage with audiences across Instagram, Messenger, WhatsApp, and TikTok — at the right moment, with the right message, minus the manual work.We’re 400+ people across three...

As a Senior Python Developer in Novartis Digital Finance, you design scalable Python applications that power AI-driven finance decisions. You operate at the intersection of software engineering, cloud technologies, and data science to deliver enterprise-grade solutions with real impact. You collaborate with global teams to operationalize ML and AI...

ALTEN España busca un/a Analista Programador con experiencia en desarrollo backend en Python y conocimientos frontend con Angular/React/Next.js para un proyecto orientado a plataformas digitales y herramientas operativas escalables.Se valoran 3–5 años de experiencia, API REST, Git y metodologías ágiles. Modalidad híbrida en Barcelona, con oficinas en...

Novartis Digital Finance seeks a Senior Python Developer in Barcelona to design and deliver scalable Python-based AI-enabled financial solutions. You will work on secure, enterprise-grade backend services, APIs, and cloud-native integrations, collaborating with data scientists to operationalize ML/AI workflows.Ideal candidates have strong Python expertise,...

Citibeats is the fastest and most efficient social intelligence and text analytics platform in the market. Citibeats organizes unstructured data via natural language processing (NLP) and machine learning. Our platform allows for the gathering of relevant information in changing social contexts, which permits public organizations and financial institutions to...

Indra Group busca un Python Backend Developer para diseñar y mantener servicios backend de alta prestación en entornos de ciberseguridad.Para una comprensión completa de esta oportunidad y de lo que se requerirá para ser un candidato exitoso, siga leyendo.Trabajarás con Python y frameworks como FastAPI, Flask o Django, desarrollando APIs robustas y...

Cala AI, based in Barcelona, seeks an experienced Backend Engineer to own end-to-end backend systems powering AI-driven verification at scale. You will develop services in Python (FastAPI), design data stores across SQL/NoSQL, and scale pipelines in a fast-moving startup.Hybrid in Barcelona (Gran Via office, 3 days/week). Stock options and flexible benefits...

¿Eres Senior Python Developer y quieres trabajar en proyectos reales de Generative AI, LLMs y RAG que lleguen a producción? Nuestro equipo de Digital&Tech busca incorporar un perfil de Senior Python Developer para participar en un ambicioso programa de innovación tecnológica dentro de una compañía líder del sector asegurador. Te incorporarás a un...

En Indra Group, protegemos lo que más importa. Desarrollamos soluciones tecnológicas avanzadas que refuerzan la seguridad nacional e internacional, participando en proyectos estratégicos europeos de alto impacto.ð» Únete a nuestro equipo de desarrollo backendQueremos reforzar nuestro equipo con un/a Backend Python Senior que lidere el diseño y...

Rain is looking for a Senior Software Engineer in EMEA. This remote position involves managing backend platform areas, including API integrations with 3rd-party vendors. The ideal candidate has at least 5 years of experience, is proficient in backend languages like Go and Python, and skilled in creating scalable, reliable systems. Responsibilities include...

BioCatch, the market leader in behavioral biometrics, seeks a Senior Backend Developer in Barcelona to join a high-scale team. You will design and implement core services and APIs for real-time traffic with strict SLA.Work on data collection, aggregation, and research for advanced fraud detection in a hybrid Barcelona setting. The role emphasizes scalable...

Q-tech busca un Full Stack Engineer para su equipo de Vulnerability en Barcelona.Compruebe a continuación si tiene lo necesario para esta oportunidad y, si es así, envíe su solicitud lo antes posible.Desarrollarás funcionalidades en React frontend y Python/FastAPI backend, integrando APIs y trabajando en un stack moderno dentro de un entorno de...

Q-tech busca un Full Stack Engineer para su equipo de Vulnerability en Barcelona. Desarrollarás funcionalidades en React frontend y Python/FastAPI backend, integrando APIs y trabajando en un stack moderno dentro de un entorno de ciberseguridad.Trabajarás en un entorno híbrido Barcelona-Germany, con una cultura de trabajo colaborativo, pruebas...

Factech es una empresa multinacional especializada en servicios IT para grandes compañías. Con más de 2.500 profesionales y presencia en España, Colombia y México, participamos en proyectos tecnológicos de alto impacto junto a clientes líderes. Full Stack Engineer Senior para una misión temporal de 3 meses, donde construirás soluciones desde cero en...

At Hays, we are partnering with a leading pharmaceutical company with an international presence in the development and manufacturing of both animal and human health products. We are currently looking for a **Full Stack Software Engineer** with solid experience in both frontend and backend development, working mainly with **Python and Angular** . The...

Senior Full-Stack Engineer – AI-Native ApplicationsMaxIT Consulting – Max Corporate Group is looking for a Senior Full-Stack Engineer – AI-Native Applications to join a fast-growing European technology company building an AI-powered workforce platform for the healthcare sector.The company operates a multi-sided marketplace used by hundreds of hospitals...

Overview En Indra Group lideramos soluciones tecnológicas para impulsar la transformación digital en entornos complejos. Como Senior Backend Engineer (Python) te incorporarás a un equipo de desarrollo con enfoque técnico y de liderazgo en proyectos estratégicos de largo recorrido. Diseñarás y liderarás la construcción de servicios backend...

Description Do you love turning ideas into working code that makes a real impact? Feel energized by building solutions that make global systems faster, smarter, and more reliable. Enjoy collaborating across teams to solve complex problems and bring business needs to life through technology? Join Shipco IT as a Senior Application Developer At Shipco IT,...