Empleos de backend python engineer en Barcelona

Can you imagine connecting enterprise knowledge with AI to deliver trusted answers in natural language??? Join our expert team to work on a pharmaceutical-sector platform, contributing to the development of a semantic backend connecting enterprise knowledge graphs, AI agents and cloud data platforms.You will apply your knowledge of Python and RDF/SPARQL to...

SplitMetrics is a global software company offering an ecosystem of products and services that serve as a growth engine for top mobile-first businesses worldwide. Our ecosystem includes: SplitMetrics Acquire, a platform for automating and optimizing Apple Ads. SplitMetrics Agency, a full-service mobile marketing agency staffed by top experts. SplitMetrics...

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...

MIGx is seeking a Software Engineering Team Lead to guide a Data and AI Engineering team. You will lead a player-coach approach, mentoring full-stack and backend engineers while staying hands-on with Python backends and React/Type Script frontends. You will own features end-to-end, drive architectural decisions, ensure code quality and CI/CD, and engage with...

ABOUT BETBY As a fast-growing, award-winning company, Betby powers the industry with our premium sportsbook, featuring world-class risk management and seamless omni-channel support, reaching millions of players across countless markets. With offices in Latvia, Malta, Spain, Greece and Montenegro, we offer a vibrant work culture, relocation opportunities,...

Ubicación ~ Contrato ~ CONTRATO INDEFINIDO / SII Spain East Operar y evolucionar la infraestructura basada en Kubernetes y microservicios, garantizando estabilidad, seguridad y despliegues fiables. Operación diaria de clusters K8s. Alertado y trazas Prometheus, Grafana, ELK.Ingress, Service Mesh si aplica, DNS, TLS, certificados, políticas de...

At Materialise Medical, we believe that better healthcare starts with solutions designed around the individual patient. If you’re passionate about bringing personalized care to every patient, you’ll love being a part of this team. Through the technology we develop, researchers, engineers, and clinicians are revolutionizing personalized treatment —...

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 vision to transform education through human-led, AI-enhanced learning. As a...

Titan OS), the Barcelona-based technology, entertainment, and advertising company is looking for you! We are looking for a Senior Backend Engineer - Go with a deep understanding of server-side technologies and a passion for building highly scalable systems that power industry-leading applications. You will be responsible for designing, developing, and...

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 vision to transform education through human-led, AI-enhanced learning. As a...

At OneSpan, we specialize in digital identity and anti-fraud solutions that create exceptional and secure experiences.We are looking for an experienced Senior Backend Engineer to join our Barcelona-based backend team and drive product features from conception to production with customer value at the forefront. Our platform is built in Java using Spring Boot,...

OneSpan in Barcelona is seeking a Senior Backend Engineer to join our backend team and drive product features from concept to production.You will own delivery, work with leadership, and shape architecture.The role requires a decade of backend experience, strong Java and Spring Boot, SQL, AWS, and Kubernetes, plus excellent cross-functional collaboration and...

Seedtag is hiring a Senior Software Engineer to build backend systems for neuro-contextual advertising at scale in Barcelona.The role focuses on designing high-throughput services and integrating AI/ML models within a distributed cloud environment.You will work with Data Scientists, AI teams, and Product Managers to deliver scalable API endpoints and robust...

Experteer Overview In this role you will contribute to the Payment u****amp; Basket Platform, delivering value-added features and upholding Clean Code principles.You will own DevOps responsibilities for your services, make architectural decisions during cloud transition, and mentor teammates to grow the team.You will identify recurring support needs and...

SEREM Consultoría Empresarial busca un Backend Developer Java con experiencia para un proyecto en Barcelona, centrado en microservicios y APIs REST, en un entorno Agile/Scrum.Se valora integrar tecnologías frontend, principalmente Angular, y conocimientos de Kafka, MongoDB y Spring Boot.La posición es híbrida, con 1-2 días en oficina y el resto en...

Enginy, a Barcelona-based startup, is hiring a Backend Engineer to own core engine components from day one.You will design and build high-throughput systems, data pipelines, and integrations with customer platforms, while focusing on reliability and observability.We value engineers who own problems end to end, from design to production to monitoring.Expect a...

Experis España busca un Senior Backend & AI Engineer para unirse a nuestro equipo de proyectos de consultoría, colaborando en una plataforma de agentes de IA basada en tecnologías Microsoft y modelos LLM.100% remoto.Construirás el núcleo en .NET 8: API multi-tenant, motor de agentes y gateway de modelos, motor de trabajo asíncrono, aprobaciones...

Acoru is redefining fraud prevention by acting before the transaction is initiated. We build high-performance, real-time risk assessment tools across cloud-native microservices and AI/ML integrations, with a focus on reliability and observability.Join a remote-first team headquartered in Madrid, tackling fraud across Europe, LATAM and the US. You will...

El profesional incorporado será responsable de desarrollar y mantener sistemas backend robustos y escalables para una plataforma de alta demanda.Las tareas incluirán el diseño y la implementación de nuevas funcionalidades, la optimización del rendimiento de sistemas existentes y la garantía de la alta disponibilidad y fiabilidad de la plataforma.Se...

Senior Software Engineer (Backend) ABOUT LINGO Lingo is building a cutting?edge digital health platform that fuses continuous biosensor data, high?performance backend engineering, and advanced analytics to help people live healthier, longer, fuller lives.Our systems process massive volumes of real?time data, and the backend is the heartbeat that transforms...