Senior Python Engineer

We're looking for a Senior Python Engineer to join our team in Barcelona, Spain, in a hybrid working mode. This role focuses on designing, developing and maintaining robust and scalable backend systems to support mission-critical business applications. You will work closely with cross-functional teams to deliver high-quality, efficient and reliable solutions through the entire software development lifecycle, ensuring seamless integration, performance and maintainability.
Responsibilities
Design, develop and maintain backend applications using Python and related frameworks
Implement and optimize API endpoints, ensuring scalability and performance
Integrate applications with databases and external systems for smooth data flows
Write clean, maintainable and testable code following best practices
Perform debugging, troubleshooting and optimization to enhance reliability and security
Participate in code reviews and contribute to continuous improvement in code quality
Collaborate with product managers, architects and developers to deliver business-aligned solutions
Ensure proper documentation to support knowledge sharing and maintainability
Support CI/CD practices and deployment processes in a DevOps environment
Stay updated on modern tools, technologies and best practices
Requirements
Bachelor's or master's degree in computer science, software engineering or related field
Strong programming skills in Python with experience using frameworks such as Django, Flask or FastAPI
Good understanding of relational databases and data modeling
Solid knowledge of API design principles (RESTful) and integration patterns
Familiarity with CI/CD pipelines, version control systems like Git and automated testing
Knowledge of software architecture principles including modularity, scalability and security
Excellent problem-solving and debugging skills
Strong communication and collaboration abilities in cross-functional environments
Nice to have
Experience with containerization tools (Docker, Kubernetes)
Familiarity with cloud platforms (AWS, Azure or GCP)
Knowledge of asynchronous programming and message queues
Exposure to frontend technologies such as React or Angular