Empleos de remote backend engineer en Zaragoza

Lever, Inc. seeks a Backend Engineer focusing on MTA infrastructure, based in Spain but fully remote. You will build and operate high-volume email delivery systems, including SMTP delivery, routing, retries, and reputation controls, with ownership across reliability and observability.You'll work with Trust & Safety and Core Sending teams, using TypeScript or...

Jobgether SRL is seeking a Full-Stack Engineer (Backend Leaning) – Payments Engineering, based in Spain. You will build and evolve the payment infrastructure powering billing, usage tracking, pricing, and payment processing for self-service and enterprise customers in an AI-focused environment.This remote role offers significant technical ownership,...

Nutrient is building a scalable backend platform that powers Document Engine and related services. We seek a backend engineer who focuses on database-first design, with a track record of handling large volumes of data and annotations across global deployments.You will design data models, ensure fast query paths, and own architecture decisions. This role is...

Knowmad Mood, una compañía líder en transformación digital, busca un desarrollador/a senior backend Java para un importante cliente del sector bancario. El rol es 100% remoto y ofrece contrato indefinido. Se trabajará en arquitectura de microservicios y hexagonal, en entorno cloud (AWS), con Kafka y testing intensivo. Se valora conocimiento de IA...

Salmon is a remote, Manila-time aligned fintech developer building a scalable payments platform for Southeast Asia. You’ll join a globally distributed team delivering JVM-based microservices and payment flows with a platform-first mindset.The role emphasizes resilience, DDD, eventual consistency, and integration with banks and PSPs. You’ll collaborate...

Jobgether is seeking a Senior Python Developer based in Spain to work on a remote-first backend project for a next-generation football app. You will design robust services, implement AI-powered features, and build scalable APIs supporting mobile interactions. Collaboration is with an international team, with occasional in-person meetups.Key tech stack...

En JAKALA seguimos creciendo y buscamos un/a Backend Engineer para formar parte de un equipo de desarrollo en una Plataforma de IA escalable en nuestra oficina de Madrid, Barcelona, Gijón o Pamplona (o posibilidad de trabajo remoto).Estamos desarrollando una plataforma basada en arquitectura modular con dos backends principales:Node.js (servicios...

Santander Auto Software está buscando un ingeniero de software back-end para construir y desplegar soluciones cloud-based en AWS. Se valorará experiencia en Java o Kotlin, Spring Boot y una mentalidad DevOps, con capacidad para trabajar de forma autónoma.La posición es remota y admite colaboración internacional; se requieren habilidades de...

Infortec Consultores busca un/a Senior Java Developer para un proyecto estable en un entorno tecnológico complejo. Se trabajará con múltiples repositorios, servicios Java y sistemas legacy integrados, en una arquitectura orientada a eventos a gran escala.Se requiere experiencia senior en desarrollo Backend Java, Java avanzado, Spring Boot avanzado, JPA,...

Nix is seeking a Senior Software Engineer, Backend to build APIs, services, and data-access systems that power AI/ML data workflows. You will own substantial backend work from implementation through deployment and production support, collaborating with frontend, product, design, and data teams to deliver scalable product capabilities.You will design and...

Talan Spain is seeking an experienced Backend Developer with strong Apache Spark and Scala expertise to join our distributed teams.You will develop and maintain backend solutions across the full lifecycle in an Agile environment, contributing to data platforms and business-critical applications.This role offers 100% remote work from anywhere, with...

Somos Métrica Consulting, una consultora de negocio, integración de sistemas, servicios y soluciones IT, comprometida con la Sociedad de la información y el desarrollo tecnológico, cuyos objetivos son un continuo crecimiento y convertirnos, para nuestros clientes, en un partner de negocio y tecnología cada día más sólido.Actualmente estamos en...

Affirm is seeking a Staff Software Engineer, Backend for Identity International to set the technical strategy for the team on a yearly horizon, aligning with product management, design and analytics to deliver scalable identity services across markets outside North America.You will own operations, reliability, and code standards, mentor engineers,...

Playson is seeking a Senior Backend Engineer to develop and optimize promotional features for our gaming platforms.You will own core services, tackle performance and scalability, and drive technical decisions in a fast-paced SaaS environment.You'll work with Node.js and TypeScript in a microservices ecosystem, collaborate with distributed teams, and...

BIP en Madrid busca ingenieros backend con .NET y Azure para crear APIs, microservicios y soluciones cloud-native.Trabajarás con AKS, Azure Functions, Logic Apps y CI/CD, integrando IA en el flujo de desarrollo para generar, refactorizar y testear código.Se valorará experiencia con IA, contenedores, seguridad y observabilidad, y capacidad para diseñar...

Job TitleStaff Backend Engineer – Remote, EuropeBase Pay Range$120,000 – $200,000 per year, plus equity 0.5%–1%AccountabilitiesDesign, develop, and scale high?traffic backend services, APIs, and runtime systems.Build developer interfaces, SDKs, and tools that enhance developer experience.Collaborate with customers to understand and solve integration...

Knowmad Mood, empresa líder en transformación digital, busca un Desarrollador/a senior backend Java para trabajar 100% remoto en un proyecto con cliente del sector textil. Se valorará aportar ideas al equipo y participar en proyectos innovadores, con un entorno dinámico y enfoque en crecimiento profesional.La posición ofrece contrato indefinido,...

Rechat Inc is seeking an experienced Backend Engineer to architect and maintain core services powering our CRM and Marketing platforms. You will design scalable data models and write high-performance SQL queries, ensuring robust testing and smooth API evolution.The role emphasizes collaboration with Customer Success and cross-functional teams, driving...

Endalia en Zaragoza busca un desarrollador backend apasionado por la innovación y el trabajo en equipo. El rol incluye desarrollo de funcionalidades en su plataforma SaaS, colaboración con múltiples equipos y aplicación de buenas prácticas de desarrollo. Se valoran conocimientos en .NET, Entity Framework Core, SQL Server y metodologías ágiles....

En The Whiteam Consulting estamos buscando un/a Senior Java Backend Developer con experiencia en Spring Boot, AWS y Kubernetes para incorporarse a un proyecto tecnológico de alto impacto.Buscamos un perfil con experiencia en el desarrollo de aplicaciones backend cloud-native y APIs REST, que quiera formar parte de un equipo especializado participando en el...