Empleos de backend python en Barcelona

Who we are? Quantion is a Business Digital Transformation services company founded in 2015 and part of the Astek Group group operating in more than 25 countries with over 10,000 employees worldwide. Our team is specialized in application development, UX/UI, and digital business transformation, focused on building innovative solutions that drive measurable...

About Stark Stark builds the world’s most powerful electric motorcycles. From the VARG MX to the road-legal VARG EX & SM, our bikes have won world championships and are engineered to outperform anything with a combustion engine. We’re based in Sant Boi, Barcelona, growing fast (77% year‑on‑year) and building a team that will take us even further. Our...

NTT DATA es una consultora multinacional que ofrece soluciones tecnológicas, de negocio, estrategia, desarrollo y mantenimiento de aplicaciones, siendo un referente en consultoría. Digital Technology es la unidad enfocada a acompañar a las grandes organizaciones iberoamericanas en su transformación digital, generando dividendos digitales a través de la...

Overview In this Senior Software Engineer role, you will help modernize Back Market’s stack by building and maintaining scalable, well-architected services. You’ll work across frontend and backend domains within the Code Foundation to boost developer productivity and observability. You’ll influence design decisions, mentor peers, and tackle high-impact...

Overview In this Senior Software Engineer role, you will help modernize Back Market’s stack by building and maintaining scalable, well-architected services. You’ll work across frontend and backend domains within the Code Foundation to boost developer productivity and observability. You’ll influence design decisions, mentor peers, and tackle high-impact...

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 Series D, accelerating our...

Overview In this role you will lead engineers on scalable, cloud-native AI-enabled backend projects. You’ll work within a cross-functional, high-performing team to design microservices, implement AWS-based solutions, and integrate AI capabilities. The position sits in Madrid or Barcelona with hybrid work, and requires a valid work permit in Spain. You help...

FledgeWe are a boutique Talent search firm connecting exceptional Talent with the most innovative companies in the AI and software development industries across EMEA. Our clients are among companies with innovative products that have a positive impact on our societies and we present them with a solution model between fine consulting and flexible recruitment...

Overview In this Lead role, you shape AI-powered product platforms, building reliable backend services and data pipelines. You’ll work within the LS&H Innovation group to drive AI-enabled capabilities, collaborating across engineering, product, and cloud ops to deliver scalable solutions. You’ll tackle reliability challenges in LLM-driven applications...

Senior Fullstack Engineer in Madrid/Barcelona (remote) for an International clientJob role: Senior Fullstack Software EngineerJob description: A Senior Fullstack Software Engineer with high experience in DevOps, Kubernetes & Python.Location: Madrid/Barcelona (Remote)Languages required: English (C1) MANDATORYMinimum experience: 5 to 7 yearsRate:...

With more than 100,000 sensors deployed worldwide, Urbiotica is a leading player in the smart parking industry and a pioneer in the fast-growing Internet of Things sector. Through our end-to-end Smart City solutions, we actively contribute to the transformation of urban areas, helping build a more digital and sustainable environment for citizens. We're now...

We are looking for an AI Engineer to join a dynamic AI team within an international technology environment.In this role, you will design, build, and deploy LLM-powered applications, RAG pipelines, multi-agent systems, and scalable AI solutions on AWS.You will work at the intersection of software engineering, AI engineering, data pipelines, and cloud...

We’re Revolutionizing Energy to Change the WorldAt Octopus Energy, we’re not your typical utility company. We’re a team of passionate people working every day to make energy 100% renewable, accessible, and fair for everyone.We believe technology and innovation are key drivers of change. Our mission is to transform the way the world consumes energy...

Are you an experienced Software Engineer who prioritizes results over specific tech stacks? We aren't looking for niche experts; we want clever problem-solvers who select the right tools and processes to deliver high-quality results. About the Role In this role, you’ll collaborate daily with our product team to design, architect, and build Perk—a...

Freelance Senior OR Junior Full Stack Developer – React / Next.js / Node.js – Barcelona You will collaborate closely with the Tech Lead, Product Owner, UX Designer, and Data team to design, develop, and deliver high-quality features within an agile environment. Responsibilities Develop and maintain complex, data-heavy user interfaces using React and...

Cloud Operations Engineer | Azure & AWS | Barcelona Descripción de la oportunidad Buscamos un/a Cloud Operations Engineer con más de 3 años de experiencia en infraestructura y operaciones cloud para incorporarse a un proyecto tecnológico en Barcelona. Buscamos un perfil técnico, autónomo y hands-on, con experiencia en Azure, AWS, automatización e...

With more than 100,000 sensors deployed worldwide, Urbiotica is a leading player in the smart parking industry and a pioneer in the fast-growing Internet of Things sector. Through our end-to-end Smart City solutions, we actively contribute to the transformation of urban areas, helping build a more digital and sustainable environment for citizens. We're now...

Overview As a Senior Engineer in Preply’s Engineering team, you will shape backend services and integrations to power personalized learning journeys. You’ll collaborate cross-functionally to deliver features validated by A/B tests while upholding high-quality, scalable systems. You’ll guide technical decision-making and foster best practices, including...

NTT DATA es una consultora multinacional que ofrece soluciones tecnológicas, de negocio, estrategia, desarrollo y mantenimiento de aplicaciones, siendo un referente en consultoría. Digital Technology es la unidad enfocada a acompañar a las grandes organizaciones iberoamericanas en su transformación digital, generando dividendos digitales a través de la...

Lideramos el desarrollo de soluciones tecnológicas avanzadas en el ámbito de la ciberseguridad, diseñando arquitecturas robustas, resilientes y escalables que permiten a nuestros clientes afrontar los retos tecnológicos actuales y futuros. ¡Únete a nuestro equipo de innovación en ciberdefensa! En nuestro posicionamiento como compañía líder en...