Empleos de python backend engineer en Barcelona

Alignerr Corp. is seeking Back End Developers in Madrid to design, build, and optimize the server-side systems and APIs that power AI products — from data pipelines and model-serving infrastructure to scalable microservices that handle real-world traffic at scale.This is a fully remote, flexible contract role.Whether you're a seasoned engineer looking for...

Overview In this role you design and maintain a Python-based MCP backend that links Knowledge Graphs, AI agents and cloud data platforms to enable natural-language access to enterprise information. You will optimize semantic queries, ensure secure and scalable API services, and operate in a cloud-native setup. You join a collaborative team with mentorship...

Kotlin Backend SW Engineer Your New CompanyOne of Europes leading consumer retailers is looking to hire a Backend Software Engineer to join one of the squads.Your New RoleDevelop and maintain services for customer order processing, covering the end-to-end online order journey.- Build and manage APIs and integrations between the Order Management System and...

Present Connection is expanding its R&D team in Barcelona, seeking a Python Developer to build backend services and data pipelines for an AI-driven BI platform. You will shape architecture, leverage AI agents, and own end-to-end solutions from concept to production, collaborating with cross-functional teams.The role offers hybrid work, flexible hours, and a...

Logicalis Spain busca incorporar a un/a Desarrollador/a Python especializado/a en Inteligencia Artificial para unirse al equipo responsable del diseño, desarrollo e integración de agentes y sistemas multiagente de IA en servicios, APIs y plataformas corporativas de uno de nuestros principales clientes en España.Se valorará experiencia en Arquitectura...

Present Connection ищет Python-разработчика в команду R&D на позиции бэкенд-инженера. Вы будете строить бэкенд-сервисы, конвейеры данных и инструменты, связывая данные с AI-агентами и MCP-серверами, которые их...

Can you imagine building the semantic backbone that connects enterprise knowledge with AI agents??? Join our expert team to work on an innovative project in the pharmaceutical sector , contributing to the development of a platform that connects Enterprise Knowledge Graphs, AI agents and cloud data platforms to enable trusted, natural-language access to...

HCLTech is seeking a Data Engineer to strengthen our data capabilities in Spain.You will own end-to-end data pipelines, develop robust ETL/ELT processes, and implement scalable, observable production services.You will work with cross-functional teams to transform prototypes into production-ready solutions and ensure reliability in cloud-based...

Tobeit está buscando un Desarrollador Backend Senior para un rol 100% remoto en España. La misión es diseñar, implementar y optimizar APIs escalables, manteniendo alto rendimiento y seguridad, con autonomía para afectar directamente el producto.El candidato debe tener experiencia sólida en Python/Java/Node.Js o Go, bases de datos SQL y NoSQL, y...

Join one of Southern Europe's fastest-growing startups Enginy is a Barcelona-based startup and one of Southern Europe's fastest-growing companies ranked #3 in the Sifted 100: Southern Europe 2026, and we're just getting started. We're building the AI-native GTM platform for modern B2B teams, combining prospecting, enrichment, intent signals, AI research and...

Rover Barcelona is seeking a Software Engineer to strengthen our datastore-focused backend platform.You will manage PostgreSQL and MySQL instances, oversee upgrades, and build self-service tooling to improve reliability and scalability of Rover's databases.You will work closely with the lead Database Engineer, review migrations, and implement automation...

Job Description:About the TeamOur Technology team drives the evolution of our Technology, Engineering, Data, Product and User Experience functions.Desplácese hacia abajo para obtener una visión general completa de lo que requerirá este trabajo. ¿Es usted el candidato adecuado para esta oportunidad?With a keen focus on delivering cutting-edge solutions,...

SQLI is seeking an experienced SAP Commerce Cloud Backend Platform Engineer to own and evolve the backend platform landscape of our SAP Commerce Cloud environment.You will drive performance, scalability, and secure, automated deployments across Cloud Foundry and Azure Container Apps, collaborating with architects, security teams, and stakeholders.The ideal...

Labhouse is a Barcelona-based startup studio building AI-powered mobile apps used by hundreds of thousands of people worldwide. Our products — including Invoice Fly and Summary AI — are designed to make everyday tasks faster, smarter, and simpler through a subscription model that puts the user first.We were founded by Andrés Bou and Horacio Martos, the...

Overview In this role you build, operate, and evolve a cloud-based Data & Analytics Platform. You’ll work with cross-functional teams to deliver value from enterprise software in distributed architectures. Expect ownership, hands-on coding, and a chance to influence project decisions while advancing technical excellence. You’ll collaborate with product...

Inno IT Consulting in Barcelona, Catalonia, seeks a Senior Backend Engineer to join the Core Team.This role develops reusable libraries and foundational components for multiple product teams in a cloud-native distributed environment.You will drive the migration from monolith to microservices, enhance performance and observability, and uphold standards like...

DXC Technology está buscando un profesional senior para administrar infraestructuras de producción y apoyar el desarrollo de aplicaciones backend en entornos empresariales complejos.El puesto implica operaciones en Windows y Linux, gestión de redes, bases de datos y prácticas DevOps, con participación transversal en equipos de desarrollo e...

Experteer Overview As a Staff Data Engineer, you will design and deliver scalable data platforms and pipelines that inform analytics, product experiences, and key business decisions.You will balance hands-on development with technical leadership, shaping engineering direction and driving cross?team initiatives.You'll collaborate with engineering, product,...

Agileengine, Llc. busca Desarrollador Backend remoto con experiencia en Python y Django para una fintech emergente con sede en Barcelona, con posible base operativa en Zaragoza. Diseñarás, desarrollarás y mantendrás APIs RESTful, colaborando estrechamente con frontend, producto y DevOps para entregar funcionalidades robustas y escalables. Se requieren...

We're waving goodbye to the complicated and confusing ways of traditional banking.As well as personal and business bank accounts, we offer joint accounts, accounts for ***** year olds, a free kids account and credit cards in the UK, with more exciting things to come beyond.With our hot coral cards and get?paid?early feature, combined with financial education...