Full Stack Engineer

What You'll Do Architect, develop, and optimize both backend and frontend infrastructure, ensuring seamless integration and scalable systems that grow with the company. Take end-to-end ownership of full-stack development, working across frontend and backend systems—from ideation to launch—ensuring smooth delivery and maintenance of key product features. Implement modern web development best practices, using cutting-edge technologies to ensure a clean, maintainable, and scalable codebase. Drive innovation, constantly exploring new frameworks, tools, and methodologies to improve the speed and quality of development. Requirements 3+ years of experience in software development, with a proven track record of building and deploying full-stack applications. Strong development skills in Python (Typing, Pydantic, Fastapi, etc), with a solid understanding of backend services and API development. Strong development skills in React and Next.js (v14), with a deep understanding of modern development practices. Knowledge and provable experience designing data models and using SQL and NoSQL databases Knowledge and established experience with AWS services Excellent English oral and written communication skills Based in, or willing to relocate to Madrid, Spain.