full-stack engineer

Full-Stack Software Engineer Location: Global, Fully Remote Job Type: Contractor | :15 hours/week Schedule: Flexible We're looking for experienced Full-Stack Software Engineers to support an AI training project focused on software development, debugging, code evaluation, and technical problem-solving. Key Responsibilities Develop and...

Apiux Tecnología busca un Desarrollador Full Stack Senior para participar en todo el ciclo de desarrollo de aplicaciones web, desde el análisis y diseño hasta la implementación en un entorno multicultural guiado por Scrum.Se exige más de 5 años de experiencia y capacidad para trabajar en inglés.La posición es indefinida y 100% remota, con horario de...

W Hunt España busca un AI Full Stack Developer para trabajar en proyectos con IA generativa en producción.Se valora experiencia en Typescript, React y Node.Js (NestJS) y en integrar modelos de lenguaje (LLMs) en aplicaciones reales.El rol combina desarrollo front-end y back-end, diseño de prompts y integración con servicios de IA, con foco en flujos LLM,...

About ElevenLabs ElevenLabs is an AI research and product company transforming how we interact with technology. We launched in January 2023 with the first human-like AI voice model. Today, we serve millions of users and thousands of businesses - from fast-growing startups to large enterprises like Deutsche Telekom and Meta. Our investors are some of the...

Our client is transforming the car rental industry through an asset-light, data-driven platform that helps local businesses turn vehicles into new revenue streams. With 200,000+ customers, 5,000+ vehicles, 500+ rental locations and 1,500+ partners across 6 countries, they're scaling the technology behind a growing international mobility platform.Role...

Buscamos un Senior Full Stack Engineer para incorporarse a un equipo tecnológico y participar en el diseño, desarrollo y evolución de soluciones de software. La persona seleccionada tendrá sólida experiencia en Backend con Java y Spring Boot, así como experiencia práctica en Frontend con React. Buscamos un perfil autónomo y resolutivo, capaz de...

INFINIT is seeking a Full Stack Software Engineer in Madrid to bridge business needs and technical execution, delivering polished features in a fast-paced fintech environment. You will be expected to challenge requirements, apply a product-first mindset, and own end-to-end feature development from concept to deployment and monitoring, using modern tools...

La IA generativa ya no consiste solo en añadir un chat a una aplicación. El reto está en construir productos fiables, seguros y medibles, donde los agentes de IA aporten valor real dentro de procesos de negocio complejos. Buscamos a una persona con experiencia como AI Full Stack Engineer para diseñar y desarrollar aplicaciones end-to-end basadas en...

MaxIT Consulting – Max Corporate Group in Barcelona, Spain, is seeking a Senior AI-First Full-Stack Engineer to own the complete product stack from idea to production for an AI-powered healthcare workforce platform. You will work in a founder-led team, using AI coding assistants daily, shaping architecture across frontend (TypeScript/React) and backend...

SICPA is seeking a Full-Stack Software Engineer to reinforce its Research & Innovation team in Madrid. You will architect, design and implement microservice-based applications using Java 17 and Spring Boot 3, delivering robust, testable modules and high-quality, responsive web interfaces with Angular. You will follow agile practices, contribute to product...

Bark is seeking a Senior Full Stack Engineer to join a small, agile squad focused on the Acquisition domain. You will work across frontend and backend with Python and React/TypeScript to build scalable APIs and user experiences, helping scale our marketing technology stack. You will partner with Marketing to design AI-powered tools, contribute to MarTech...

About the Role You will join a team that builds and runs payment connectivity services integrating a large-scale online payments platform with external payment service providers. You will own features end to end across backend services, serverless components, cloud infrastructure, and CI/CD, and contribute to the customer-facing payment flows. What...

N-iX is seeking an experienced Windows and web application developer to join our global team in Málaga. You will work across a broad stack including C++, C#, .NET, Angular, and REST services to maintain and enhance a comprehensive EDMS. The role emphasizes clean coding, code reviews, and collaboration with cross-functional teams. Ideal candidates have 8+...

Julius Baer in Madrid is seeking a software engineer to design, develop and test backend modules and ensure seamless integration within a complex wealth-management platform. You will combine Java/Jakarta EE backend work with Angular/TypeScript frontend tasks, build REST APIs, and contribute to enterprise integrations. The role emphasizes clean code,...

Aircall, a unicorn AI-powered communications platform, is hiring a Senior Full-Stack Engineer on the Growth team in Madrid. You will design, build, and optimize onboarding, trial experiences, and activation funnels, with front-end focus and strong back-end capabilities. You will work with React, Node.js, TypeScript, AWS, and REST/GraphQL APIs to deliver...

Join Vonage and help us innovate cloud communications for businesses worldwide!Maximice sus posibilidades de que su candidatura sea seleccionada asegurándose de que su CV y sus habilidades se ajustan al perfil.Why this role matters:We’re seeking a Java Software Engineerto join our Cloud Engineering team and help drive innovation across the Vonage Video...

Overview At Pepsi Co International d Commerce team, we are building the next generation of innovative products and capabilities using emerging technologies to accelerate our business and gain back share. While tied closely to broader Pepsi Co, the d Commerce group has a unique start-up feel and defined values that embrace a more entrepreneurial mindset. We...

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Aircall is headquartered in Paris, our European HQ, with a...

Are you a forward-thinking professional with a strong background in backend and frontend development and an interest in financial services? Join EPAM in Madrid as a Senior Full Stack Engineer in the private banking sector and accelerate your career in financial services technology. We're looking for a team player with excellent communication skills,...

In this role, you will be architecting features from the database to the browser. Your center of gravity is the Go backend, APIs, data models, system design, but you’ll move into the React/Type Script frontend whenever the feature requires it. You’ll join an experienced and supportive team where you’ll have a significant voice in shaping both our...