Empleos de senior back-end javascript developer en Zaragoza

¡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 el...

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...

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 compositionMavenJPA, Oracle, JDBCExperience working with Azure DevopsWhat is a plus?-Openshift-distributed traceability-hexagonal-DDDFeature FlagsReactive Programming, futuresStatic code analysis tools (Sonar, PMD,...

About The RoleWhat 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...

Senior Backend Developer to design, build, and maintain scalable server-side architecture and APIs using Node.Js, focusing on real-time digital products and global scalability. Requires 5+ years of experience with databases, APIs, Docker, Kubernetes, and CI/CD.

Senior Backend Developer for a B2C HealthTech company, working remotely in Europe on a large-scale PHP API and migrating to Go, supporting millions of users daily.

Somos Plexus Tech.Una compañía tecnológica especializada en servicios y productos IT, basados en la innovación y el desarrollo. Fundada en el talento y las capacidades de nuestra gente, más de 4.000 profesionales desarrollantecnología con almapara que organismos públicos, compañías del IBEX 35, grandes retailers, operadores turísticos y entidades...

Profile busca un/a Fullstack Developer para un proyecto 100% remoto. Se valorará experiencia en back-end y front-end, con foco en usabilidad, componentes reutilizables y conocimiento de Design Systems. Se trabajará con Node.Js/Express y la metodología BFF, manteniendo código limpio y pruebas con Jest.Se ofrece un entorno colaborativo y oportunidades de...

Modern Talent Hub precisa un Desarrollador Web Front‑End Senior para trabajar en Zaragoza.Los candidatos deben tomarse el tiempo de leer atentamente todos los elementos de este anuncio de empleo. Por favor, envíen su solicitud sin demora.Requerimos experiencia amplia en ASP.NET Core, APIs REST y mejoras de experiencia de usuario en soluciones basadas en...

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

DescriptionOur client is a company specializing in managing large-scale sporting events, offering services like ticketing, accommodation, hospitality, transportation, and IT solutions. The company values precision and adaptability, as it handles complex operations across global sports events.Our client is a company specializing in managing large-scale...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Frontend Developer based in Spain.As a Senior Frontend Developer, you will play a key role in building high-impact digital experiences that help users develop healthier habits and improve their well-being. You will join a...

About UsAt Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world's largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without...

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the...

En Vermont Solutions buscamos un/a Senior Backend Developer con al menos 4 años de experiencia para desarrollar y mantener aplicaciones empresariales robustas, escalables y de alto rendimiento.ResponsabilidadesDiseñar, desarrollar y mantener servicios backend con Java y Spring Boot.Trabajar con PostgreSQL y MQ Series en soluciones de integración entre...

Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a...

Miratech is hiring a Senior Java Developer to contribute to development and maintenance of customized software for a large European client in the public sector. The project focuses on tax administration systems with end-to-end lifecycle coverage and integration with multiple external systems.You will work with a team of 20+ people, implementing components,...

Overview In this Senior Developer Advocate role, you will create and share deep technical content that connects Elasticsearch, AI, and observability with a global developer audience. You’ll produce high-quality videos, demos, and open-source projects while staying current on trends in search, AI, and observability. You’ll collaborate with a distributed...

Elastic is seeking a Senior Developer Advocate focused on content creation to educate and empower a global developer community. You will publish deep-dive videos connecting search, AI, and observability, and build open-source demos that show end-to-end Search + AI scenarios.The role emphasizes strong engineering background, excellent English communication,...

Desde Kapres Technology estamos buscando un desarrollador senior para trabajar con nosotros para un cliente internacional de logistica.Formación de varias squads para el desarrollo, mantenimiento y evolución de un sistema de gestión interno para una empresa internacional de logística.El sistema está orientado a microservicios y API RESTful...