### **About the role:** As a Senior Backend Engineer, you play a crucial role in designing, developing, and maintaining scalable, high\-performance backend systems that support fundcraft’s platform. You work closely with cross\-functional departments, including frontend engineers and product managers, to deliver robust backend solutions that align with business objectives. Your focus is on hands\-on development, ensuring the reliability, security, and maintainability of the platform, while addressing complex technical challenges in production. This is a position based in Spain and reporting directly to the Lead Backend Engineer. ### **Key responsibilities:** * Implementing scalable, high\-performance features and integrations between services in a high\-demand system, ensuring reliability, efficiency, and seamless user experience. * Develop, implement, and maintain end to end solutions using technologies such as Python, Django, DRF, FastAPI, Docker and AWS Cloud. * Use AI tools like Cursor and Claude Code to help you write the code. * Write automated unit tests and integration tests to validate backend functionality and ensure code quality and reliability. * Maintain comprehensive documentation of backend systems, APIs, and processes to facilitate knowledge transfer and ensure code maintainability. * Share technical insights and best practices with unit members, and contribute to the continuous improvement of engineering processes and workflows. * Proactively provide technical knowledge and support to junior and other senior backend engineers. * Work closely with DevOps engineers, product managers, and other stakeholders to understand requirements and deliver high\-quality solutions that meet business objectives and user needs. * Communicate effectively with other members, providing regular updates on project status, challenges, and progress. **Requirements** ### **Skills \& Expected Behaviours:** * Develop scalable, high\-performance backend systems that support business objectives and platform needs. * Collaborate with cross\-functional departments to ensure seamless integration of backend solutions with frontend applications. * Optimise APIs for performance, scalability, and security, ensuring they meet the technical requirements of various applications. * Contribute to code quality by participating in code reviews and adhering to best practices in software development. * Mentor mid and junior engineers by providing guidance, sharing technical insights, and supporting their growth. * Maintain up\-to\-date documentation of backend systems, APIs, and processes to ensure code maintainability and knowledge sharing. **Benefits** **Why Join Us:** * Join a culture that celebrates creativity and welcomes innovative, disruptive ideas, empowering you to make a real impact. * Immerse yourself in a fast\-paced, diverse workplace where you'll have the chance to collaborate and learn from specialists across various fields, fostering personal and professional growth. * Embrace automation and seamless tech integration in your workflows, while our platform boosts operations through tech leverage, ensuring you stay ahead of the curve and updated with new technologies. * Enjoy an attractive compensation package that recognizes your contributions and dedication to our shared success, rewarding you fairly for your hard work. * Work in a comfortable, ergonomic environment within our spacious, modern offices located conveniently in the heart of Girona, just minutes away from the train station where you can enjoy daily fresh fruit and coffee! * Monthly afterworks organised by the company to unwind and strengthen team connections. * Enjoy flexible entry hours that help you balance your personal life with your work commitments.