Job Responsibilities: 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 systemsfrom ideation to launchensuring 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. Candidate 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. You dream BIG and want to build a product that will change a several trillion dollar industry. You have a passion for innovation and love solving complex problems at scale. You thrive in dynamic environments where adaptability and creative problem-solving are key. You are comfortable navigating ambiguity, taking ownership by owning projects from start to finish, ensuring theyre delivered to live environments. You are proactive and self-motivated, taking initiative without waiting for direction. You have a proven track record of identifying opportunities for improvement and acting on them. You have a startup mindset, wearing multiple hats and constantly seeking ways to improve performance, scalability, and user experience. You take pride in designing systems that scale as the company grows. Youre excited to dive deep into the debt and fintech industry, eager to understand the intricacies of this space while leveraging your technical expertise to shape the future of financial technology. You see yourself as an action-oriented, high agency individual, always ready to go the extra mile for the betterment of both the team and the organisation.