Ofertas de Backend Stack en Madrid

Una empresa de tecnología en Cataluña busca un/a Senior Backend Engineer especializado/a en .NET para colaborar en un proyecto internacional en el sector software. Se requiere más de 6 años de experiencia en C# y .NET, así como habilidades en arquitecturas modernas y sistemas distribuidos. Ofrecen u

A technology company based in Madrid seeks a Full-stack Engineer to develop medical instruments. Responsibilities include leading software development teams, supporting R&D, and customer assistance. Ideal candidates will have a degree in Software/Telecom Engineering, strong programming skills, and a

A5 Labs

We are hiring a senior backend-leaning Full-Stack Engineer at Staff / Principal level , capable of owning and driving complex systems end-to-end. This role is primarily focused on backend systems (Node.js, distributed architecture) , with the ability to contribute across the stack when needed. What

A technology company in Málaga is seeking an experienced Full Stack Developer with a strong backend focus to contribute to their issuance monitoring application and distribution platform. The ideal candidate will have 5+ years of experience, strong skills in Java, Spring Boot, and frontend technolog

Teldat

Una empresa de tecnología en Tres Cantos, Madrid, busca incorporar a un profesional con más de 3 años de experiencia en desarrollo software para unirse a su unidad de Cyber. El candidato ideal tendrá experiencia en desarrollo fullstack, preferentemente con Ruby on Rails y Python, junto a una buena c

Celestia Technologies Group

A leading technology company in Spain is seeking a Frontend & Backend Developer Engineer for IoT Digital Platforms. You will develop innovative digital solutions for IoT devices and manage cloud services, requiring expertise in both relational and non-relational databases. The ideal candidate will h

Buscamos un Ingeniero Full-Stack Senior con Python (FastAPI) y experiencia en AWS/GCP para diseñar, construir y evolucionar productos críticos en una plataforma fintech. Se valorará experiencia en CI/CD, TypeScript y IA/ML. El puesto es híbrido y permanente.

Siemens Healthineers

A global technology company located in Getafe, Spain, seeks a Full-Stack Software Developer focused on backend medical applications. The role involves collaborating with international teams, analyzing requirements into backend solutions, and ensuring high software quality. Candidates should have a m

refurbed

A leading marketplace for refurbished products is seeking an experienced Senior Full Stack Engineer to design and implement scalable backend services while ensuring excellent user experience on the frontend. The role is remote-first, promoting work-life balance, and involves significant collaboratio

A technology company based in Madrid seeks a Full-stack Engineer to develop medical instruments. Responsibilities include leading software development teams, supporting R&D, and customer assistance. Ideal candidates will have a degree in Software/Telecom Engineering, strong programming skills, and a

Humanizando la Tecnología. Somos una gran empresa con alma de start-up. En SEIDOR estamos convencidos en las posibilidades de crecimiento que ofrece la movilidad interna, pensamos que es una de las la mejores formas de desarrollarnos, de crecer personal y profesionalmente . ¿Persona con experiencia

Buscamos un Ingeniero Full-Stack Senior con Python (FastAPI) y experiencia en AWS/GCP para diseñar, construir y evolucionar productos críticos en una plataforma fintech. Se valorará experiencia en CI/CD, TypeScript y IA/ML. El puesto es híbrido y permanente.

Quointelligence

A cybersecurity firm is seeking a talented engineer to join their small team focused on building the Mercury Threat Intelligence platform. You will design and implement backend services in Python, and support the frontend in React and TypeScript. The role emphasizes clean code, testing discipline, a

Siemens Mobility

Full-Stack Software Developer with focus on Backend (m/f/d) for Medical Applications 13-Abr-2026 Siemens Healthineers Research & Development SIEMENS HEALTHCARE, S.L.U. Profesional Senior Join us in pioneering breakthroughs in healthcare. For everyone. Everywhere. Sustainably. Our inspiring and carin

Hays

Desde 65.000 € /año

Modelo híbrido (Madrid): 2 días de teletrabajo Contrato indefinido | Hasta 65k | Gran paquete de beneficios Inglés imprescindible (proceso 100% en inglés) ¿Te gustaría unirte a una empresa de producto en pleno crecimiento dentro del sector financiero, trabajando en soluciones tecnológicas de alto im

Constructor

Develop and maintain tools for e-commerce brands, focusing on backend features, system stability, and scalability.

A technology company based in Madrid seeks a Full-stack Engineer to develop medical instruments. Responsibilities include leading software development teams, supporting R&D, and customer assistance. Ideal candidates will have a degree in Software/Telecom Engineering, strong programming skills, and a

A technology company based in Madrid seeks a Full-stack Engineer to develop medical instruments. Compruebe a continuación si tiene lo necesario para esta oportunidad y, si es así, envíe su solicitud lo antes posible. Responsibilities include leading software development teams, supporting R&D, an

A technology company based in Madrid seeks a Full-stack Engineer to develop medical instruments. Responsibilities include leading software development teams, supporting R&D, and customer assistance. Ideal candidates will have a degree in Software/Telecom Engineering, strong programming skills, and a

We are hiring a senior backend-leaning Full-Stack Engineer at Staff / Principal level , capable of owning and driving complex systems end-to-end. This role is primarily focused on backend systems (Node.js, distributed architecture) , with the ability to contribute across the stack when needed. What