Empleos de remote backend engineer en Madrid

Mercanis is building the AI Procurement Platform that powers the procurement of tomorrow. We are looking for a Backend Engineer excited to build reliable backend services and grow technically. This fully remote role offers EU time-zone alignment, or hybrid option from our Berlin office, with collaboration across cross-functional teams and exposure to...

Omega CRM Consulting, S.L.U. is hiring a Backend Developer (Node.js/TypeScript) to build robust services for customer experience platforms in Madrid. You will analyze requirements, design components, and work closely with clients and Omega teams to deliver scalable RESTful APIs using Express.js and PostgreSQL. The role emphasizes collaboration, code quality,...

The Elite Job is seeking a skilled Software Engineer (Backend) to join our growing remote development team in Spain. You will design, develop, test, and maintain scalable backend systems powering global digital solutions, leveraging modern server-side technologies.Responsibilities include writing clean code, collaborating with cross-functional teams, and...

Mercanis is building the Agentic AI Procurement Suite that powers the procurement of tomorrow, digital, transparent, and intelligent. We are seeking a Backend Engineer who is excited to build modern, reliable backend services and grow their technical expertise. You will work closely with senior engineers, product managers, and designers to deliver features...

Alignerr is seeking a Back End Developer for a remote hourly contract focused on building and optimizing server-side systems and APIs for advanced AI products. You will design data pipelines, microservices, and scalable architectures to handle real-world traffic from multiple time zones. Ideal candidates have strong experience with Python/Go/Java/Node.js,...

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 comunicación...

Constructor.Io is a distributed team hiring a backend-focused engineer for its Experiments platform. You’ll build Python services and data-heavy pipelines, with opportunities to contribute to the Dash UI and Spark/Databricks work, while prioritizing correctness and observability.You’ll own backend components for experiment assignment, logging, and...

Affirm, Inc. is seeking a Software Engineer for our Card Checkout team in a remote Spain setup. You will design, implement and maintain backend systems using Python or Kotlin, operating within AWS, MySQL and Kubernetes in a distributed architecture.The role includes on-call rotation and collaboration with product, design and analytics teams to deliver...

Lever, Inc. is seeking a Backend Engineer based in Spain to join a small, ambitious product team. You will own the central API and backend services, primarily using Node.js and TypeScript, and focus on API design, data modeling, performance, and developer experience. This remote, asynchronous role offers substantial technical ownership, collaboration with...

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...

Anyone AI Inc. is seeking a remote, part-time, project-based expert evaluator to design and assess realistic software engineering tasks, spanning bug fixing, feature development, refactoring, and test generation. Contributors will work remotely, control their own schedule, provide their own tools, and may serve multiple vendors, with per-project compensation...

Santander Consumer Finance Global Services is seeking a skilled Back End Engineer to join its innovative team. This role involves building state-of-the-art software solutions for a global platform focused on a positive customer impact. You will design, build, and deploy Cloud-native applications using Java, Kotlin, and AWS.Ideal candidates will have...

Affirm, Inc. is seeking a Software Engineer for our Card Checkout team in a remote Spain setup. You will design, implement and maintain backend systems using Python or Kotlin, operating within AWS, MySQL and Kubernetes in a distributed architecture. The role includes on-call rotation and collaboration with product, design and analytics teams to deliver...

Marfeel is looking for a Backend Engineer to join their team in Barcelona. You will design and maintain backend services, utilizing Node.Js and various databases while ensuring high performance and scalability of applications. The ideal candidate will have over 5 years of experience with a solid understanding of API design and cloud deployments. Benefits...

Upsun is hiring a Software Engineer to build and maintain backend billing services. You will own components handling invoices, taxes, usage reporting, and integrations with external systems, impacting customers across multiple products and currencies.Join a distributed team across Europe, North America, and India, with a culture of collaboration and modern...

Santander Consumer Finance Global Services is seeking a skilled Back End Engineer to join its innovative team. This role involves building state-of-the-art software solutions for a global platform focused on a positive customer impact. You will design, build, and deploy Cloud-native applications using Java, Kotlin, and AWS.Ideal candidates will have...

Una empresa tecnológica está buscando un Programador/a Python en España. Este rol requiere un apasionado del Back End con experiencia en Python y tecnologías como Flask, Django y Kubernetes. Se ofrece contrato indefinido, salario competitivo, teletrabajo flexible y beneficios como seguro médico y formación continua. La compañía promueve la diversidad...

Knowmad mood, una empresa de transformación digital con más de 3.000 personas, busca un/a Desarrollador/a Backend Java para unirse a un equipo con retos técnicos y crecimiento profesional. Trabajarás con Java 21, Spring Boot, microservicios y APIs REST, desplegando en entornos cloud.Residencia en Galicia, preferiblemente A Coruña, con disponibilidad...

Knowmad mood busca un desarrollador/a backend Java para un cliente del sector textil. El rol es 100% remoto, pero requiere disponibilidad para acudir a oficinas (Arteixo) y realizar viajes nacionales e internacionales. Se valorará experiencia con Java actualizado, Spring Boot, microservicios y Docker/Kubernetes.Colaborarás en el desarrollo y mantenimiento...

Airalo is seeking a backend engineer to drive the evolution of our global platform used by millions. You will lead backend services, build APIs, and contribute to a modular, service-oriented architecture while balancing speed with stability. We value deep PHP expertise, Laravel or Symfony experience, strong OOP, and solid SQL skills. Fluency in English is...