Senior Backend Engineer

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