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.

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.

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.

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