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 areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you
ABOUT THE ROLE We are looking for a Senior Full Stack Developer to build user-facing features in React and maintain robust Node.js backend services for an international product team. You will architect and implement full-stack solutions with expert-level JavaScript and TypeScript, optimize performance across web platforms, implement automated testing with Jest and React Testing Library, and collaborate closely with cross-functional teams to deliver production-ready features. The role requires strong state management experience and a thorough understanding of component-driven design patterns and secure data handling.
WHAT YOU WILL DO




Develop user-facing features using modern React workflows while building and maintaining robust Node.js backend services;
Architect and implement full-stack solutions, ensuring seamless integration between the front-end UI and back-end APIs;
Optimize components for maximum performance across a wide range of web-capable devices and browsers;
Collaborate with cross-functional teams to define, design, and ship new features.
MUST HAVES
~4+ years of professional web application development experience ;
~ Expert-level knowledge of Node.js, React, and modern JavaScript/TypeScript ;
~ Broad knowledge of web platforms, browser APIs, state management using Redux or Context, and styling strategies ;
~ Superior analytical and problem-solving ability;
~ Experience with automated unit testing and test-driven development using Jest, React Testing Library, and Mocha/Chai ;
~ Robust understanding of performance issues, computational complexity,

📌 Senior IT Full Stack Developer (Madrid)
🏢 AgileEngine
📍 Madrid