Empleos de senior backend engineer python en Barcelona

Amaris Consulting is hiring a Senior Java Developer to design, develop, deploy, and operate scalable SaaS platforms for payroll and HR tech. You will join multidisciplinary squads, combining backend expertise with DevOps practices to support business-critical services through the full software lifecycle. The role requires 7+ years as a Backend Engineer with...

Festo SE & Co. KG in Barcelona is seeking a Senior Backend Developer to join the IT Digital Marketing team. 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, cloud-hosted solutions that enable data flows and...

Sinch AB in Spain is seeking a Senior Software Engineer for the Context Storage team to design, build and own the core data platform that captures, persists, and serves conversational context to AI agents operating across SMS, WhatsApp, and voice at scale. You will work on Go services, Kafka and DynamoDB on AWS, with a focus on event-driven pipelines, data...

Festo, a global automation leader, seeks a Senior Backend Java Developer to drive digital transformation from the Digital Innovation Hub in Barcelona. You will own backend design, work with Spring Boot, React/AWS stack, and collaborate across regions on eCommerce, product configuration, analytics and digital sales initiatives. You will mentor peers,...

Bark is seeking a Senior Backend Engineer in Spain to join our small, highly agile team. You will own backend services, design scalable APIs, and contribute to our shift from a lead-gen model to a full marketplace. You’ll work across Python back end, APIs, data stores, and cloud tooling, collaborating with product managers and engineers to prototype fast,...

Nutrient is seeking a backend engineer to build robust, scalable systems powering our Document Engine and SaaS products. You’ll work with Elixir/Phoenix, Kubernetes, and a cloud-first stack, embracing AI-native tooling to accelerate development and reliability. You’ll join a fully remote, distributed team that values ownership, pragmatic coding, and...

A global creative technology firm is seeking a Senior Software Engineer excited to build innovative tools for video advertising. This fully remote role involves improving an Ad Scoring API and designing scalable data systems. The ideal candidate will have 7+ years of backend experience, deep Python skills, and familiarity with LLMs. Join a diverse team...

As our client's data business grows, the Data Division's AI Platform Services team is building applications and platforms for customers using data in AI and ML projects. As a Senior Software Engineer, Backend, you will build the APIs, services, integrations, and data-access systems behind those products. You will help make complex data workflows reliable,...

Capitole Consulting busca un Desarrollador Backend .NET Core con más de 7 años de experiencia para unirse a su increíble equipo en Cataluña.Diseñará soluciones escalables y seguras, y decidirá tecnologías junto a arquitectos para una implementación adecuada.Trabajará en todas las fases del ciclo de vida, aplicando patrones de diseño y promoviendo...

Shalion is seeking a Senior Backend Engineer to lead backend initiatives across multiple products and shape the technical roadmap. You will manage one backend engineer from day one and guide the team as it grows, balancing hands-on architecture with leadership responsibilities. The role emphasizes product-focused engineering, AI-enabled automation, and close...

I'm working with a VC-backed, rapidly scaling AI-native fintech start-up that is rebuilding the financial system of record for modern businesses. Backed by top-tier US investors, they've grown quickly in a short space of time, serving customers from high-growth companies through to publicly traded enterprises. You'll be building and shipping end to end:...

Wizeline is seeking an experienced Java developer to design, build, and scale RESTful APIs and microservices for our Content Services platforms. You will work in a hybrid Barcelona setup, combining in-office collaboration with remote work across the week. The role emphasizes cloud-based development (GCP), event-driven architectures (Kafka), and integration...

Oxigent Technologies in Barcelona is seeking a Senior Backend Engineer to join a high-performance marketing tech team. You will design and maintain backend services and microservices using Python, integrate with external advertising platforms, and work on automation initiatives.You will collaborate with Data/AI engineers, work with AWS and SQL, and...

AgileEngine is seeking a Senior Python Developer to design and build scalable microservices and REST APIs, collaborating with Product, DevOps, and Frontend teams.The role requires 4+ years of backend Python experience, deep knowledge of Python core concepts, and production-grade API/microservices expertise. Docker and GitHub Actions familiarity is a plus,...

Allianz Technology seeks a skilled backend engineer to design, develop and operate scalable microservices and RESTful APIs. You will work with Java 17+ and Spring Boot in a hybrid setup, collaborating with cross-functional teams to translate business needs into robust technical solutions. The role emphasizes code quality, automated testing, and production...

Knowmad mood, una compañía líder en transformación digital, busca un desarrollador backend con al menos 3 años de experiencia. Se requiere dominio de Java 21+, Spring Boot y Spring Data, arquitectura hexagonal y microservicios, diseño de APIs con OpenAPI, y sólidos conocimientos de Kafka y bases de datos (MariaDB/MongoDB).Ofrecemos modalidad remota...

Vortech PCI Group está buscando un/a Senior Backend Engineer especializado/a en .NET para colaborar en un proyecto de Facturación estratégico, con un cliente internacional del sector software. Buscamos perfil centrado en backend con experiencia en arquitecturas modernas, sistemas distribuidos y buenas prácticas de ingeniería.Se valorará experiencia en...

Jobgether is seeking an experienced software engineer to build and scale a high-performance object storage platform used by developers worldwide. You will contribute across the full technology stack, from client libraries and command-line tools to storage servers, content delivery networks, and deployment infrastructure.You will tackle distributed systems...

Vermont Solutions en Madrid busca un/a Senior Backend Developer especializado/a en Java y Spring Boot con 6+ años de experiencia en microservicios y entornos Cloud. Diseñarás, desarrollarás y mantendrás soluciones cloud-native, asegurando rendimiento, seguridad y observabilidad en equipos ágiles.Requisitos: Java, Spring Boot, Spring Security, Kafka y...

Grupo TECDATA Engineering busca desarrolladores/as Java Senior con sólida experiencia en backend y arquitecturas de microservicios.El rol requiere autonomía en entornos de alta exigencia técnica y un dominio de Java con Spring Boot, bases de datos relacionales y NoSQL, y mensajería con Kafka o RabbitMQ.Se valoran conocimientos de programación reactiva,...