Senior Backend Engineer
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Before you apply
LocationGirona, Catalonia, Spain
Work modeon-site
Typefull-time
SenioritySenior
DepartmentProduct Development
Company size51–200 people
PostedSep 4, 2026 · 2mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Scalable, high-performance backend systems design and development
Collaboration with cross-functional departments including frontend engineers and product managers
Optimise APIs for performance, scalability, and security
Contribute to code quality through code reviews and best practices
Mentor mid and junior engineers
Maintain up-to-date documentation of backend systems, APIs, and processes
Experience with scalable, high-performance systems in a high-demand environment
Develop end-to-end solutions using Python, Django, DRF, FastAPI, Docker, and AWS Cloud
Write automated unit and integration tests
Use AI tools like Cursor and Claude Code for coding
Skills
Python
Django
DRF
FastAPI
Docker
AWS
Cursor
Claude Code
Benefits
Health insurance
Unlimited PTO
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:
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Implementing scalable, high-performance features and integrations between services in a high-demand system, ensuring reliability, efficiency, and seamless user experience.
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Develop, implement, and maintain end to end solutions using technologies such as Python, Django, DRF, FastAPI, Docker and AWS Cloud.
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Use AI tools like Cursor and Claude Code to help you write the code.
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Write automated unit tests and integration tests to validate backend functionality and ensure code quality and reliability.
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Maintain comprehensive documentation of backend systems, APIs, and processes to facilitate knowledge transfer and ensure code maintainability.
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Share technical insights and best practices with unit members, and contribute to the continuous improvement of engineering processes and workflows.
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Proactively provide technical knowledge and support to junior and other senior backend engineers.
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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.
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Communicate effectively with other members, providing regular updates on project status, challenges, and progress.
Requirements
Skills & Expected Behaviours:
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Develop scalable, high-performance backend systems that support business objectives and platform needs.
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Collaborate with cross-functional departments to ensure seamless integration of backend solutions with frontend applications.
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Optimise APIs for performance, scalability, and security, ensuring they meet the technical requirements of various applications.
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Contribute to code quality by participating in code reviews and adhering to best practices in software development.
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Mentor mid and junior engineers by providing guidance, sharing technical insights, and supporting their growth.
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Maintain up-to-date documentation of backend systems, APIs, and processes to ensure code maintainability and knowledge sharing.
Benefits
Why Join Us:
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Join a culture that celebrates creativity and welcomes innovative, disruptive ideas, empowering you to make a real impact.
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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.
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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.
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Enjoy an attractive compensation package that recognizes your contributions and dedication to our shared success, rewarding you fairly for your hard work.
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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!
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Monthly afterworks organised by the company to unwind and strengthen team connections.
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Enjoy flexible entry hours that help you balance your personal life with your work commitments.