Backend Engineer

Dow Jones in Spain (Catalonia) seeks a Senior Software Engineer to design, build, and operate reliable backend services and APIs powering product experiences and internal tools. You will lead complex features, improve performance and observability, and collaborate with cross-functional teams. You will work with Java, Spring Boot, and Python; AWS, Linux,...

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...

New Relic is seeking a Senior Java Backend Engineer to join the Personalization team on a greenfield project. You will design, build, and operate backend services and streaming pipelines, turning behavioral signals into segments and models used across classic UI and agentic experiences.You will work in AWS infrastructure, using Java, Spring, GraphQL, NoSQL,...

Preply is hiring a Senior Full Stack Engineer to drive backend and frontend initiatives in a fast-growing learning platform. You will own key backend services in Python/Django and craft frontend experiences in React/Typescript, while mentoring peers and shaping scalable architecture.Obtenga más información sobre este puesto leyendo los detalles a...

Restb.ai is seeking a Senior Backend Engineer to lead the API architecture and scale our Cloud-based APIs. You will own backend development, ML model wrappers, and key business logic, shaping the technical direction with the Product and Engineering teams.You will work on AI-driven real estate solutions, ensuring performance, reliability, and security while...

Preply is seeking a Senior Full Stack Engineer for the CRM team to shape our communications platform and AI-native workflows. You’ll own backend and frontend components, collaborating with product, data, and UX to deliver measurable customer impact. You’ll work across Python/Django on the backend, React/TypeScript on the frontend, and with Braze-based...

Ubicación: BarcelonaFormato: Híbrido — 3 días en oficina + 2 días remotoSBA: 42 KRequisitos imprescindiblesExperiencia como AI Engineer / Backend Engineer.Python y desarrollo de backend/APIs escalables.Experiencia práctica con Microsoft Azure:Azure FunctionsApp ServicesCosmos DBAzure Key VaultExperiencia productiva con RAG, LLMs, Generative AI y...

MediaMarktSaturn Plattform Services GmbH is seeking an experienced Frontend Engineer to shape our global webshop from Barcelona. You will design, build, and maintain scalable React/TypeScript applications, focusing on performance, accessibility, and robust UI components. You will collaborate with product, design, and backend teams, own features end-to-end,...

ERNI - Swiss Software Engineering is seeking a backend/full-stack engineer to help build enterprise content management platforms using PHP, Python and modern API-driven architectures. You will contribute to design, development and maintenance across teams in a collaborative environment.You'll work with Laravel, REST APIs, MySQL and PostgreSQL, and you will...