Empleos de senior back-end javascript developer en Madrid

Buscamos un desarrollador backend senior con experiencia en Java, Spring Boot y PHP para desarrollar soluciones logísticas en un entorno internacional e híbrido en Bilbao.

A global leader in FinTech is building a brand-new Engineering team and is looking for experienced Senior Software Engineers (Backend) to join them. They’re hiring across all levels, including Senior Engineers, Staff Engineers, Principal Engineers, even Team Leads.This is an opportunity to work on deeply technical, innovative solutions as part of a...

With over 10,000 employees across 60 cities in Europe, adesso is one of the leading IT providers in the German-speaking market. For our office in adesso Spain, we are looking for a Back-End Developer with experience in Java to join our international team and contribute to the design and development of robust, scalable, and secure web applications. In this...

OverviewWe’re supporting a leading sports company in Málaga that is scaling its engineering team. They’re seeking an experienced C# Backend Developer to help design and implement robust, high-performing backend systems that power their global sports platforms. ResponsibilitiesDesign, develop, and maintain scalable backend services usingC# and .NET Core...

Develops backend systems using Python, collaborating with other engineers, and deploying software on the cloud.

OverviewDa el siguiente paso en tu carrera comoBackend Senior !En Madrija seguimos creciendo y queremos que formes parte de nuestro equipo.Somos una empresa tecnológica con sede en Toledo y presencia en Ciudad Real, Talavera, Sevilla y Barcelona, trabajando en proyectos de alto impacto, tanto en entorno sanitario como para Administración Pública.Apostamos...

Expivi is the new kid on the block, a scale-up company based in the heart of Eindhoven. Expivi is a 3D E-Commerce SaaS platform. We call ourselves Expivians, and we want to become the market leader in advanced 3D Visualization and personalization worldwide. Expivi brings the next-generation online shopping experience to web shops. Using Expivi, customers can...

Get AI-powered advice on this job and more exclusive features. We are seeking a highly skilledBackend Software Engineerto join our team. The ideal candidate will have a strong background in backend development, with experience in building scalable systems, APIs, and cloud-based services. Mandatory technical knowledge: - Proven experience as a Python...

Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultantsin 21 countriesand a turnover of €850M, we are committed to delivering impactful, future-ready solutions.Talan at a GlanceHeadquartered in Paris and operating globally, Talan combines technology, innovation, and...

About the Company Do you think that money can be better? Money should help lower or removeentry barriers to the market. Money should be universal. And money shouldempower your dreams. At HandCash we are creating a marketplace of apps and games where skills andgood content are rewarded, and startups make money since day one. Although our HQ is in Madrid, our...

Principal Consultant | Open-Source, Embedded, CPU/GPU + Semiconductor Technologies Back End Developer (Python)***This is initially a Fixed Term Contract until the end of June 2026 - potential for extension/made permanent***We are working with a company that focuses on accelerating AI adoption, data literacy, and engineering capabilities through a combination...

Backend Engineer for IoT platform, focusing on Python and Java development, API design, microservices, and CI/CD.

Our goal is to strengthen the brand in Spain. We are looking for an expert to work asBackend 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 analysis tools...

¡Buscamos un/a AWS Back-end Developer en Barcelona!¿Buscas unirte a un entorno dinámico e internacional donde el impacto de tu trabajo sea visible a escala global? En Extia, nuestro lema es “First who, then what” (Primero la persona, después el proyecto). Priorizamos a las personas y al trabajo en equipo para ofrecer soluciones de gran impacto. Como...

Are you an Expert Java Backend Engineer seeking a new interesting challenge? If your answer is yes, it’s your lucky day so keep reading — it can be just what you're looking for! We are looking for a dynamic, proactive and talented person to join our team and perform the following tasks: Design, develop, and deliver high-quality, scalable and secure...

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...

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...

A multinational technology firm based in Barcelona is seeking a Senior Back-End Developer to design and build robust backend systems. You will utilize Node.js and TypeScript while integrating AI-driven solutions in production environments. The ideal candidate has 5–7 years of experience, excellent communication and teamwork abilities, and must be fluent in...

Participación en proyectos internacionales del sector de transporte y movilidad, enfocados en plataformas transaccionales de alta escalabilidad y resiliencia. Los sistemas gestionan grandes volúmenes de operaciones en tiempo casi real mediante arquitecturas de microservicios desplegadas en entornos cloud, integrándose con sistemas de pago, ERP,...

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...