Empleos de engineer - back end developer en Madrid

About The Role What if the code you write could directly power the AI systems shaping how millions of people interact with technology? We're looking for Back End Developers in Madrid to design, build, and optimize the server-side systems and APIs that drive cutting-edge AI products — from data pipelines and model-serving infrastructure to scalable...

ALTEN es una consultora tecnológica líder que busca un desarrollador backend para diseñar e implementar APIs REST e servicios en Rust, garantizando rendimiento, seguridad y escalabilidad.Trabajarás en entornos Linux, asegurarás interoperabilidad entre sistemas y colaborarás en revisión de código, pruebas y despliegue. Requisitos: más de 2 años en...

Azertium IT busca un Programador Senior BPM para trabajar en IBM BPM en entornos BAW. El perfil se orientará principalmente al desarrollo BACK con Java y con valor añadido de frontend (JavaScript, HTML, CSS). Se valora experiencia en banca y prácticas DevOps con Jira y Git. El puesto ofrece contrato indefinido y 100% teletrabajo, con proyecto estable y...

Banco Santander SA is looking for a Back-End Software Engineer to join the Santander Auto Software team in Spain. This role involves building a new global software platform with a focus on Java and AWS, within a supportive environment that encourages innovation.The ideal candidate will have strong back-end development skills, particularly in Java and Kotlin,...

Xe is a cross-border payments platform hiring a mid-level back-end engineer in Madrid to own end-to-end problems from API design to production. You will build backend services that move money across currencies and support onboarding, KYC/KYB, and settlement.You’ll work closely with product, compliance, and operations and use AI tools daily to ship...

About the roleWe are looking for a self-driven and highly motivated Senior Back-end Software Engineer to join our Commerce Pillar. You should be a quick learner who thrives in an evolving environment. In this role, you will be a product-minded partner who understands that engineering is about solving problems, not just writing code. You will directly shape...

About Abacum Abacum is the leading Business Planning solution for finance teams to drive performance. By automating reporting, enabling collaboration, and simplifying planning and forecasting, we help finance teams shift from number crunching to driving strategic decisions. Founded in 2020 by two former CFOs, we’ve grown into a global team of 100+ people...

Senior II Full-Stack Engineer (back-end heavy) Location:BarcelonaEmployment Type:Full timeLocation Type:HybridDepartment:EngineeringMeet the team! Our team builds scalable, resilient products using Python/Django on the backend and React on the frontend, all with one goal in mind: creating a smooth, meaningful experience for our learners and tutors.We’re...

Country: Spain **IT STARTS HERE** Santander (www.santander.com) is evolving from **a global, high-impact brand** into a **technology-driven organization** , and our people are at the heart of this journey. **Together** , we are driving a **customer-centric transformation** that values bold **thinking, innovation** , and the **courage to...

Rechat is building the next generation of enterprise real estate technology. Our platform helps real estate professionals streamline the entire buying and selling journey by unifying data, marketing, and transaction workflows into one powerful system. We’re a product-driven company with a modern stack, a strong engineering culture, and a mission to...

Senior II Full-Stack Engineer (back-end heavy)LocationBarcelonaEmployment TypeFull timeLocation TypeHybridDepartmentWe 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...

Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of J.P. Morgan heritage brings.J.P. Morgan Personal Investing offers award-winning...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Engineer (Front and Back end) based in Spain. As a Software Engineer, you’ll contribute across both frontend and backend development to build reliable, scalable applications in modern cloud environments. You’ll work...

**Company Description** Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients...

Senior Backend Developer sought to design, build, and maintain scalable server-side architecture, backend services, and data infrastructure for a global tech company, using Node.Js, GCP, and microservices, supporting millions of users.

Backend Developer needed to improve the core PHP API, migrate to Go, and work on a B2C HealthTech app with millions of users.

Our goal is to strengthen the brand in Spain. We are looking for an expert to work as Backend Developer! What do you need to fulfill this job? -APIs composition * Maven * JPA, Oracle, JDBC * Experience working with Azure Devops What is a plus? -Openshift -distributed traceability -hexagonal -DDD * Feature Flags * Reactive Programming, futures * Static code...

About the roleWe are looking for a self-driven and highly motivated Senior Back-end Software Engineer to join our Commerce Pillar. You should be a quick learner who thrives in an evolving environment. In this role, you will be a product-minded partner who understands that engineering is about solving problems, not just writing code. You will directly shape...

Banco Santander SA in Spain is seeking a Back-End Software Engineer to design, build, and deploy cloud-native backend services using Java and Kotlin. You will own features from idea to production in a fast-paced, collaborative environment. Join a remote-friendly team that leverages Spring Boot, Kubernetes, and AWS with a DevOps mindset, delivering scalable...

Xe is a cross-border payments platform hiring a mid-level back-end engineer in Madrid to own end-to-end problems from API design to production. You will build backend services that move money across currencies and support onboarding, KYC/KYB, and settlement.You’ll work closely with product, compliance, and operations and use AI tools daily to ship...