Senior Backend Engineer: Real-Time Scalable Microservices

Betsson Group in Málaga is looking for a Backend Software Engineer to join their Product Development team. The candidate will design and develop distributed backend services using .NET, focusing on optimizing performance and scalability while participating in containerization and cloud migration strategies. Successful candidates will have strong experience...

Fotocasa Group, a Spain-based real estate tech leader now part of the Scout24 Group, is seeking an experienced Backend Engineer in Barcelona. You will architect scalable services, mentor engineers, and drive end-to-end technical initiatives across product teams. You will partner with stakeholders to align architecture with business goals, improve developer...

Prima is seeking a Rust Engineer to join our dynamic teams in Spain. You’ll architect and deliver scalable services, collaborating with product managers to translate business requirements into robust software solutions.Join over 350 engineers delivering impactful insurance software. We offer flexible work options—work from home, the office, or a...

GFT es una compañía pionera en transformación digital.La siguiente información tiene como objetivo proporcionar a los posibles candidatos una mejor comprensión de los requisitos para este puesto.Diseñamos soluciones de negocio centradas en la inteligencia artificial (AI-Centric), modernizamos infraestructuras de TI y desarrollamos sistemas core de...

Lingo is building a cutting-edge digital health platform at the forefront of real-time biosensor data analytics. We are seeking a Senior Software Engineer (Backend) to design and optimize backend systems that are scalable, secure, and resilient across global deployments.You will lead implementation of high-performance APIs, event-driven services, and data...

Lingo is building a cutting-edge digital health platform that processes real-time biosensor data with high-performance backend engineering. As a Senior Backend Engineer, you will design, implement, and optimize scalable microservices and APIs that power live health insights for users.You will collaborate with Product, Mobile, Platform/SRE, and Data/ML teams...

Lingo is building a cutting-edge digital health platform that fuses continuous biosensor data with high-performance backend engineering to enable real-time insights for healthier living. The backend acts as the heartbeat, transforming biosensor signals into actionable health information for users across global deployments.We are seeking a Senior Backend...

SII Group Spain busca un/a Desarrollador/a Java para uno de sus proyectos de referencia en seguridad financiera. Diseñar, desarrollar y mantener arquitecturas basadas en eventos con Apache Kafka, implementar productores y consumidores, y colaborar en sistemas distribuidos y microservicios escalables. Se trabajará en entornos ágiles (Scrum/Kanban) con...

Supersonik seeks Senior Engineers to join our core team in Barcelona. You will tackle complex technical problems, shape product architecture from day one, and thrive in a fast-growing startup. You should be fluent in modern Python, async programming, and adept at building scalable, event-driven systems. You’ll work across frontend to infrastructure to...