Empleos de core full-stack engineer en Zaragoza

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Full Stack Software Engineer based in Spain.Join a high-growth fintech and cryptocurrency environment where your engineering expertise will help power secure, scalable, and high-volume financial transactions. As a Full Stack...

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. ...

MarsBased is a development agency from Barcelona specialising in AI-augmented software development. We don’t just use AI; we are actively rewriting the rules of modern engineering. By combining elite human expertise with advanced agentic workflows, we build end-to-end web and mobile applications faster, smarter, and to a higher standard than ever...

Mondel?z International is seeking a Full Stack Data Platform Engineer to drive data pipelines and analytics for media data. You will design and implement scalable data solutions, partner with vendors, and deliver actionable insights through internal dashboards and AI-driven tools.The role emphasizes collaboration with cross-functional teams, cloud-based data...

Join NTT DATA and shape the future of digital innovationAt NTT DATA, we are a global technology consulting company helping organizations transform through innovation, technology, and collaboration.With more than 190,000 professionals across over 50 countries, we work with leading companies to design and deliver cutting?edge digital solutions.What are we...

Square One Resources Limited is seeking a experienced Full Stack Engineer for a 12-month remote contract across Europe. The role focuses on building scalable web applications using Java/Spring Boot or Node.js with React and TypeScript.You will own features end-to-end, collaborate with distributed teams, and ensure secure, reliable solutions that meet...

JobServe Ltd is looking for an experienced Full Stack Engineer for a 12-month remote contract across Europe. You will design, develop and optimise scalable web applications, working across Front End and Back End technologies.You will own product features, collaborate with technical teams, and ensure secure, reliable solutions aligned with business needs....

Senovo IT Ltd is seeking an experienced Forward Deployed Engineer for a remote, freelance/B2B role with occasional onsite visits to Barcelona.You will own end-to-end software development, integrating AI capabilities and automation into business applications while collaborating with business and technical stakeholders in English.The ideal candidate has...

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...

At AppWork, we've built a simple, user-friendly PropTech platform that modernizes maintenance operations. Our platform brings everything into one easy-to-use platform so property managers, maintenance teams, and residents can all enjoy a smoother, more connected experience.As a member of the AppWork team, you'll be helping to build and deliver technology...

YO AI Labs is seeking experienced Full-Stack Software Engineers to support an AI training project focused on software development, debugging, code evaluation, and technical problem-solving. This is a contractor role offering about 15 hours per week and fully remote work globally.Responsibilities include building and debugging frontend and backend systems,...

About The RoleAt affirm , we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. We're looking for a curious, driven professional to join our Revenue Analytics team. This builds and owns the data products, reporting infrastructure, semantic...

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...

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...

Senior Software Engineer, Backend (Comms Core)Remote SpainAt Affim, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.About the Engineering teamThe Engineering team builds systems that power Affim's mission. We take pride in our craft,...

Jobgether is seeking a Full Stack Software Engineer based in Spain for a fintech/cryptocurrency environment. You will design and build backend APIs in Golang/Java and frontend in React/Next.Js, with TypeScript, within a secure, scalable architecture.This fully remote role offers a USD salary, 15 vacation days, U.S. holidays, and the freedom to work from...

Full Stack Engineer - React / Typescript / Python We 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....

Vortech PCI Group busca un/a Senior Full Stack Developer (Java & Angular) para un proyecto internacional en el sector asegurador. Se valorará experiencia en entornos críticos y sistemas de negocio complejos, con responsabilidad en desarrollo de nuevas funcionalidades, mantenimiento evolutivo, soporte a producción y modernización de aplicaciones legacy.Se...

Creamos productos digitales innovadores para que compañías líderes y sus usuarios interactúen entre sí de una forma más humana, ágil, sencilla y segura. Nuestras tecnologías de verificación de identidad, firma electrónica y automatización dan vida a miles de interacciones decisivas cada día.Nuestro compromiso con la calidad y buenas prácticas...

Knowmad Mood busca un Software Engineer / Full Stack para trabajar en remoto, con foco en Python backend y desarrollo frontend con React/Next.Js y MUI. Se valoran experiencia en APIs REST, microservicios y datos en Snowflake.Se espera conocimiento de IA/LLMs y nivel de inglés C1 o superior, además de colaboración con equipos multidisciplinares para...