Empleos de senior full-stack java engineer en Madrid

MaxIT Consulting – Max Corporate Group – Senior AI-First Full-Stack EngineerMaxIT Consulting – Max Corporate Group is looking for a Senior AI-First Full-Stack Engineer to join a fast-growing European technology company building an AI-powered workforce platform for the healthcare sector.The company operates a multi-sided marketplace used by hundreds of...

Senior AI-First Full-Stack EngineerMaxIT Consulting – Max Corporate Group is looking for a Senior AI-First Full-Stack Engineer to join a fast-growing European technology company building an AI-powered workforce platform for the healthcare sector.The company operates a multi-sided marketplace used by hundreds of hospitals and care organizations across...

Impala Search Ltd is seeking a Senior Full-Stack Engineer with a frontend focus to build customer and dealer-facing experiences using React, Next.Js and TypeScript. You will own APIs and backend services necessary to deliver features end-to-end, while improving performance and accessibility across a multinational platform.Join a growing mobility platform...

A software development company is seeking a Full Stack Senior/Lead Engineer to enhance product experiences for millions of users. You will work on both web and mobile platforms, ensuring performance and seamless user interactions. The ideal candidate has 5+ years in scalable systems and strong expertise in ReactJS and NodeJS. This position offers a...

MaxIT Consulting – Max Corporate Group in Barcelona, Spain is seeking a Senior AI-First Full-Stack Engineer to lead the creation of an AI-powered workforce platform for healthcare.You will own the full product surface, collaborating with founders and cross-functional teams, and apply AI tools to accelerate development while maintaining rigorous...

Quik Hire Staffing is seeking a Senior Full Stack Engineer to design, develop and maintain full-stack applications remotely. The role involves collaborating with cross-functional teams to deliver scalable solutions and high-quality software across the stack.You will build RESTful APIs, microservices, and data architectures, write clean, well-documented code,...

Impala Search Ltd is seeking a Senior Full-Stack Engineer with a frontend focus to build customer and dealer-facing products using React and Next.Js, while owning APIs and backend services to deliver features end-to-end.Join a data-driven mobility platform expanding across multiple markets, currencies and languages, contributing to frontend performance, SEO...

MaxIT Consulting – Max Corporate Group is seeking a Senior AI-First Full-Stack Engineer to own outcomes across the full product stack in a fast-growing European tech company focused on an AI-powered healthcare workforce platform.You will work in a small, founder-led environment with significant ownership over product and engineering decisions, using...

N-iX is looking for a Senior Full Stack Engineer in Spain. In this role, you will design and implement APIs in Go and build user-facing features in React. Collaborating with a cross-functional team, you'll ensure high performance experiences for users. Ideal candidates will have 5+ years in software development with strong experience in backend APIs,...

UST in Spain is seeking an experienced Full Stack Developer to design, develop and maintain scalable web applications across frontend and backend. You will build modern frontend solutions with Angular and backend services with Node.Js and Java Spring Boot, deployed in OpenShift.The ideal candidate has 5+ years of professional experience, strong knowledge of...

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment.What This Opportunity InvolvesYou'll create challenging coding test...

Óscala is expanding its remote-capable Full Stack Senior Developer team to support a growing client base across Europe. You will enhance and maintain the Reseller platform, drive backend tasks in a multidisciplinary squad, and collaborate with Product and Customer Success teams to deliver scalable features with high quality.We value strong CS fundamentals,...

We Are Wizeline, a global AI-native technology solutions provider, develops cutting-edge,impact.Are you a fit? Sounds awesome, right? Now, let’s make sure you’re a good fit for the role:We Are Wizeline, a global AI-native technology solutions provider, develops cutting-edge,AI-powereddigital products and platforms. We partner with clients to leverage...

IFS is seeking a Senior Full Stack Engineer to join its Industrial Sustainability Reporting Platform. The role focuses on building scalable, AI-native features across frontend and backend, with strong emphasis on modular, API-first design and cloud-native deployment.Hybrid work options are available within a globally distributed team. The candidate will own...

Noloco is seeking a Senior Full Stack Software Engineer to own features across frontend and backend, building AI-powered tools and scalable APIs. You’ll work on GraphQL, Node.Js, React, and data models, delivering delightful UX and robust performance.In a hybrid setup with Barcelona as a base, you’ll collaborate across product, design, growth, and...

Longtail Technologies, Inc. is seeking a seasoned backend/full-stack engineer to help evolve Sightline, our conversational analytics and intelligent alerting product. You will own features end to end, from understanding customer problems to deployment and production support.You will design backend services and APIs, ensure robust, observable systems, and...

Preply is hiring a Senior Full Stack Engineer to drive backend and frontend initiatives in a fast-growing learning platform. You will own key backend services in Python/Django and craft frontend experiences in React/Typescript, while mentoring peers and shaping scalable architecture.The role emphasizes data-driven product development, observability, and...

Bunch is building the operating infrastructure for private markets. As a Full Stack Engineer with a frontend focus in our Platform team, you’ll shape frontend architecture, contribute to backend services, and help maintain our Design System.You will ship end-to-end features that empower thousands of users managing billions in assets. You’ll collaborate...

Preply is seeking a Senior Full Stack Engineer for the CRM team. You will own backend services in Python/Django and frontend work in React/Typescript, enabling automated, AI‑assisted communications across millions of learners and tutors.You’ll lead cross‑functional initiatives, ship features quickly, and mentor others while focusing on scalable,...

AI Engineer / Full Stack Developer - AI Reporting & Insights - Barcelona or Warsaw based Madrid, Spain Warsaw, Poland Full time R- Job Description Are You Ready to Make It Happen at Mondelēz International? Join our Mission to Lead the Future of Snacking. Make It Uniquely Yours. You provide software and application knowledge to support implementation of the...