Empleos de backend python en Barcelona

Sanofi is seeking an experienced Data Engineering Specialist in Barcelona to accelerate its data transformation and AI/ML initiatives across R&D, manufacturing, and commercial operations. You will own backend data pipelines, APIs, and CI/CD for scalable, production-grade solutions. The role demands 5+ years in backend/data engineering, strong Python,...

We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M...

Sr. Associate - Application Developer (Python Developer) Department: Technology Employment Type: Full Time Location: Barcelona 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...

Hi, we’re Back Market.We’re here to help make tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new.Yep, you read that right. Turns out refurbished tech is way better for the...

Sr. Associate - Application Developer (Python Developer) Department: Technology Employment Type: Full Time Location: Barcelona 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...

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...

Schneider Electric (SE) is the global specialist in energy management and automation. SE develops connected technologies and solutions to manage energy and process in ways that are safe, reliable, efficient and sustainable. SE provides an integrated approach, designed for the reality of digital economy (Plant-to-Plug). The versatile product portfolio...

About the RoleHTS Assist is Hopper's agentic AI assistant for travel, resolving flight changes, cancellations, refunds, and bookings over chat and voice for some of the world's largest travel brands. We're looking for a senior full stack engineer to anchor this product, owning the realtime and voice layer end to end while building across React/TypeScript...

Schwarz Digits creates the technological foundation for digital sovereignty in Europe. As the IT and digital division of the Schwarz Group, we develop and manage the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Production and PreZero. At the same time, we operate as an independent provider in the external market to...

Description¡Multiplica Talent te está buscando!En Multiplica Talent somos una consultora especializada en conectar al mejor talento digital con oportunidades que impulsan su crecimiento profesional.Contamos con más de 20 años de experiencia identificando y reclutando perfiles innovadores, estratégicos y con ganas de generar impacto real en las...

Aubay Spain necesita un Desarrollador backend con Node para colaborar con un equipo internacional en Barcelona, con enfoque en APIs REST, NodeJS y pruebas con Jest. Se trabajará en entornos mixtos con Python y Angular para proyectos de CRM e IA.La posición es híbrida en Barcelona, con contrato indefinido, horario flexible y beneficios corporativos; se...

Fliff unpacks sports gaming into social, free-to-play games for all types of sports fans. We’ve built a social sports gaming experience that allows users to compete for leaderboard positioning, to achieve badges and build their status within the game. We are pioneering play‑for‑fun sports gaming, with our flagship social sportsbook experience that...

Buscamos un/a Arquitecto/a de Software Senior para integrarse en el proyecto europeo EDF EYE . Tu misión será liderar el diseño técnico y la evolución de arquitecturas backend de alto rendimiento para sistemas de defensa de próxima generación. Trabajarás en un entorno de alta complejidad técnica, asegurando la escalabilidad, resiliencia y...

We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M...

Una empresa tecnológica en Barcelona busca un/a ML Engineer para liderar la arquitectura de su plataforma SaaS basada en Inteligencia Artificial. El candidato ideal tiene experiencia en desarrollo backend con Python y Django, y en la integración de modelos de IA. Se ofrece contrato indefinido, salario competitivo y un modelo de trabajo híbrido,...

Senior II Full-Stack Engineer (back-end heavy) Employment Type: Full time Location Type: Hybrid Department: Engineering Our team builds scalable, resilient products using Python/Django on the backend and React on the frontend, all with one goal in mind: creating a smooth, meaningful experience for our learners and tutors. We’re...

We are looking for a Senior Backend Developer to join our IT Digital Marketing team within the Digital Sales Hub in Barcelona. In this role, you will design, build, and continuously improve backend services, APIs, databases, and integrations that support our digital marketing and sales capabilities. You will develop scalable, secure, and reliable...

Pasiona en Barcelona está buscando un/a Senior AI Engineer con experiencia en soluciones de Inteligencia Artificial Generativa. Este rol implica desarrollar modelos de IA de extremo a extremo, optimizar sistemas backend y colaborar con equipos de Data Science. Se requiere sólido conocimiento en Python, Inteligencia Artificial, y experiencias previas en...

We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M...

REDES/Coms/Cibers/CLOUD hace 8 días 5 Años de Experiencia DescripciónEngineer Cloud | Azure, AWS, Terraform & IA | Barcelonað Ubicación: Barcelona ð» Modalidad: Híbrida – 3 días en oficina / 2 días remoto ð Salario: Hasta 42.000 brutos anuales ð Contrato: Indefinido con Krell ConsultingExperiencia: 5–7 años ð Sector: SegurosSobre el...