Empleos de contract full-stack engineer en Zaragoza

This position is listed on behalf of a partner company. Our partner is looking for a Full Stack Engineer based in Spain.As a Full Stack Engineer – AI Systems, you will build production-ready AI applications that transform how people manage their emails, calendars, notes, and everyday tasks.You will work at the intersection of full-stack engineering and...

Full Stack Engineer (Senior/Lead) ID41561 ($2,500 signing bonus)AgileEngine is an Inc. 5000 company that creates award‑winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in application development and AI/ML, and our people‑first culture has earned us multiple Best Place to Work awards.About...

We currently have a vacancy for a Full Stack developer fluent in English, to offer his/her services as an expert remotely (within EU). In the context of the first assignment, the successful candidate will be integrated in the Development team of the company that will closely cooperate with a major client’s IT team.Designing and developing tools to interact...

Overview No deje pasar esta oportunidad, inscríbase rápidamente si su experiencia y habilidades coinciden con lo que se indica en la siguiente descripción. As a Full-Stack Engineer in Treatwell’s Growth & Marketing focus, you help the marketplace be discovered, understood, and chosen across 13 markets. You’ll split time between frontend and backend...

This position is listed on behalf of a partner company, who manages all applications and next steps.Our partner is looking for a Senior Full Stack Engineer (.NET/React) based in Spain.As a Senior Full Stack Engineer, you will build and evolve scalable, secure, and high-performing applications across both backend and frontend layers.You will work extensively...

Why Join Us?100% remote | Global team | Full-timeIf you're looking to work on cutting-edge AI products, solve challenging problems, and be part of a fast-moving, high-talent team, you'll love it here.Join NineTwoThree AI Studio, a remote-first product design, engineering, and marketing studio, founded in 2012 and based in Boston. We build AI-powered web and...

El día a día: Diseñar y desarrollar nuevas funcionalidades de producto. Construir y mantener APIs e integraciones con servicios externos. Participar en decisiones técnicas y de arquitectura. Desarrollar soluciones escalables, seguras y mantenibles. Optimizar aplicaciones y sistemas existentes. Colaborar estrechamente con producto, negocio y otros...

Desarrollador Senior Full Stack .NET con experiencia en .NET Core, C#, ASP.NET, SQL Server, y tecnologías frontend como Angular/React. Habilidades en patrones de diseño, microservicios, y herramientas DevOps. Se requiere español e inglés avanzado para un proyecto internacional con modalidad de teletrabajo y visitas ocasionales a oficina.

A leading software development company in Zaragoza is looking for a Full Stack Engineer (Senior/Lead) to join their agile team. The ideal candidate will have over 5 years of experience building scalable systems and proficiency in ReactJS, NodeJS, and React Native. Responsibilities include developing new features and ensuring application performance. The...

Voiping US, somos Talento TIC ¡Crecemos Juntos! busca un Ingeniero de Sistemas/Full Stack Engineer para un puesto remoto en un proyecto de largo recorrido vinculado a los sistemas educativos de una gran administración pública.Se valoran experiencia en Windows Server, Linux, IIS, Tomcat y Nginx, así como DevOps, automatización mediante scripting, CI/CD...

A global leader in language services is seeking a Senior Full Stack Engineer to modernize their core application and develop new features. The role involves working with experienced engineering teams on a cloud-native tech stack, focusing on both front-end and back-end functionalities. Ideal candidates will have extensive experience in .NET and a solid...

Albertine builds white-label digital concierge experiences for luxury brands and their members. The product runs on a multi-tenant TypeScript platform: a Hono API that powers member-facing concierge apps, LMT - the internal platform agents use to manage members and operations - plus payments, recommendations, messaging, and a growing set of third-party...

A leading tech recruitment agency is seeking a Full Stack Engineer for a fixed-term contract in Zaragoza. The ideal candidate will have 2-5 years of experience in both frontend and backend development, proficient in React, TypeScript, and Python. Your role will involve building internal tools and data dashboards, as well as managing deployments using Docker...

The Whiteam Consulting busca un/a Senior Full Stack Developer para participar en el desarrollo de plataformas corporativas de emisión, distribución, pricing y procesamiento, con foco en IA y ciclo de vida del desarrollo (SDLC).Se requiere experiencia sólida en Java, Spring Boot, Hibernate/JPA, Angular, Oracle y PostgreSQL, APIs REST, Git/GitHub, Jenkins y...

Braintrust is seeking an AI Engineer to build and scale LLM-based conversational agents for a healthcare-focused platform. You will design prompts, decision logic, and integrate AI with backend services, queues, and APIs across a remote environment.The role requires mid to senior level backend expertise, hands-on chatbot experience, independence, and strong...

Exdesis busca un Desarrollador Full-Stack Senior para trabajar de forma remota, con base en Madrid. Serás clave en el diseño, desarrollo y mantenimiento de aplicaciones web de alta calidad, abarcando backend y frontend, y orientarás a otros desarrolladores para soluciones escalables.Se valoran más de 5 años de experiencia y dominio de stacks modernos,...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Full-Stack Engineer (Backend Leaning) – Payments Engineering based in Spain.As a Full-Stack Engineer specializing in backend development, you will help build and evolve the payment infrastructure that powers a rapidly growing...

Jobgether SRL is seeking a Full-Stack Engineer with a Backend focus to help build foundational platform systems powering AI products. The role involves user management, workspaces, authentication, permissions, and resource access, with work spanning backend services to admin dashboards.You will own features end-to-end, collaborating with Product, Sales, and...

Full Stack Engineer - React / Typescript / PythonWe are currently partnered with a world-leading quantum AI company developing cutting‑edge solutions that make artificial intelligence faster, greener, and more accessible. Their products bridge the gap between quantum computing and AI, helping global clients solve complex real‑world problems at scale....

E‑Frontiers is seeking a Senior or Lead Full-Stack Developer to join an international project. The role is fully remote from Spain with occasional travel to Milan for 2-3 days every few months. Italian is mandatory for this position. 12‑month duration with potential extension.Holders of strong AWS, Terraform/CloudFormation, Docker, Node.Js, React, Jest...