We’re looking for a Senior Backend Python Developer to help rebuild our backend infrastructure from the ground up, working closely with a high\-caliber engineering team. In this role, you’ll apply cutting\-edge AI development tools and best\-in\-class engineering practices to build scalable systems that support our growing platform. You’ll collaborate with our VP of Product, Head of Data, and other cross\-functional teams to turn product requirements into elegant, efficient backend solutions. You’ll play a key role in architecting systems, mentoring talent, and driving innovation in a fast\-paced, product\-first environment. This position is based in Girona, Spain, with a hybrid work setup. However, we welcome applications from candidates who are seeking a fully remote arrangement, especially if their skills and experience closely match the role. You’ll report directly to the VP of Product. **Requirements** ### **Key Responsibilities:** **Technical Leadership \& Backend Development** * Design and build scalable, maintainable backend services using Django, FastAPI, and related Python frameworks * Collaborate with the Head of Data on data architecture and seamless data flow between backend and data infrastructure * Drive system architecture decisions as part of our backend rebuild initiative * Work with diverse storage technologies: PostgreSQL, MongoDB, OpenSearch, and optimize data modeling and access * Implement robust API design and integrate effectively across microservices * Use Docker, AWS, and related cloud tools to build resilient infrastructure **AI\-First Development** * Leverage AI development tools like **Cursor**, **Claude Code**, and **MCP servers** to accelerate delivery * Maintain and refine **Cursor rules** and AI\-assisted development configurations * Promote best practices in **AI\-assisted coding** while ensuring high code quality and security * Stay on top of AI tooling trends and share insights across the team **Cross\-Functional Collaboration** * Work with product managers and the Head of Data to implement features from PRDs * Ensure backend systems support **data analytics**, **ML workflows**, and **reporting pipelines** * Participate in **agile ceremonies**: sprint planning, retrospectives, backlog refinement * Translate business needs into **user stories**, **epics**, and **technical specs** * Collaborate with frontend developers, designers, and other stakeholders to deliver cohesive product experiences **Mentorship \& Team Growth** * Mentor junior developers and provide technical guidance through **code reviews** and pair programming * Foster a culture of high\-quality engineering and continuous improvement * Share knowledge on Python best practices and AI tooling * Help define and evolve team standards and development processes ### **Requirements** **Technical Expertise** * 5\+ years of Python development experience, with strong command of Django and FastAPI * Deep knowledge of PostgreSQL, MongoDB, SQLAlchemy, and Alembic * Proficiency with Docker and cloud platforms (AWS preferred; Azure or GCP also valued) * Experience designing distributed systems, REST APIs, and microservices * Familiarity with Celery for task queues and OpenSearch/Elasticsearch **AI Development Proficiency** * Experience with tools like Cursor, Claude Code, or other AI\-assisted development platforms * Familiarity with MCP servers and integrating AI into the dev workflow * Ability to manage AI rules/configs while maintaining clean, secure codebases **Product \& Process Acumen** * Strong grasp of agile methodologies and product development cycles * Comfortable interpreting PRDs and translating them into executable plans * Skilled in writing clear user stories and collaborating with cross\-functional teams **Communication \& Leadership** * Excellent verbal and written communication in English (Spanish is a plus) * Proven ability to mentor junior developers and contribute to team culture * Strong problem\-solving skills and participation in technical decision\-making **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.