# Senior Backend Engineer

> Fundcraft · Girona, Spain (Hybrid) · Full-time · Posted 2026-09-04

**Salary:**  50,000–60,000

**Workplace:** hybrid

**Department:** Product Development

## Description

### 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.

## Apply

[Apply at Fundcraft](https://apply.workable.com/fundcraft/j/43FCFE71D5/apply)

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