Senior Backend Developer (Python, Django, FastAPI)

As a Senior Backend Developer at DaCodes, you will develop and maintain backend services using Python, Django, and FastAPI. You will also design and implement RESTful and GraphQL APIs, optimize database performance, and integrate security mechanisms like OAuth2 and JWT. Collaborating with cross-functional teams, DevOps engineers, and product managers, you will ensure the scalability and efficiency of backend applications, thus playing a vital role in our projects' successes.

To qualify for the Senior Backend Developer role at DaCodes, you should have at least 7 years of backend development experience with Python, along with 3 years specifically using Django and FastAPI frameworks. Additionally, experience with both SQL and NoSQL databases, proficiency in data validation using Pydantic, and hands-on experience with containerization tools like Docker are essential. Strong analytical skills and a B2 level of English proficiency are also required to collaborate effectively with our international teams.

A successful Senior Backend Developer at DaCodes should have familiarity with a range of technologies including APIs, microservices architectures, Docker, and CI/CD pipelines. Knowledge of orchestration tools like Kubernetes, as well as experience working with cloud environments such as AWS, GCP, or Azure, will benefit candidates significantly. Additionally, exposure to event-driven architectures using tools like Kafka or RabbitMQ is a plus.

At DaCodes, we are committed to fostering professional growth for our team members. As a Senior Backend Developer, you'll have access to various courses and certification opportunities. We also host meetups with industry leaders and virtual networking events, enabling you to stay updated with the latest trends and technologies in backend development. Additionally, learning opportunities such as English classes further support your growth within the company.

DaCodes embraces a friendly and multicultural work culture that encourages collaboration, innovation, and continuous learning. As a Senior Backend Developer, you'll find a supportive environment where your contributions are valued. We offer remote work flexibility, a Monday to Friday schedule, and team celebrations, such as a day off on your birthday. With our Great Place to Work certification, DaCodes strives to maintain a positive and inclusive workplace where all team members can thrive.

When answering this question, highlight specific projects where you utilized Python, focusing on how you leveraged its features for backend development. Discuss frameworks you used, the types of applications developed, and how your Python skills contributed to performance optimization and problem-solving.

Share your approach to API design, emphasizing RESTful and GraphQL principles. Discuss how you ensure efficiency, security, and good documentation. Mention versioning strategies and user authentication methods you've implemented to enhance API usability and security.

Discuss strategies for optimizing database performance, such as indexing, query optimization, and selecting the appropriate database type for specific use cases. Mention any tools or profiling techniques you use to identify bottlenecks and how you've previously improved performance in your projects.

Talk about your hands-on experience with Docker and Kubernetes, emphasizing how you've used them to manage containerized applications. Share challenges you faced, solutions you implemented, and how these tools improved deployment and scalability in your previous projects.

Explain your testing philosophy, emphasizing the importance of unit tests and integration tests. Discuss tools you've used, such as Pytest, and how you ensure high-quality code and prevent regressions through automated testing in continuous integration pipelines.

Describe your approach to designing scalable systems, focusing on microservices architecture and modular design. Discuss strategies for maintaining code quality and making sure that the architecture can adapt to future requirements and potential scaling challenges.

Share your experience with cloud platforms such as AWS, GCP, or Azure, focusing on specific services you've used for backend development, such as managed databases or serverless architectures. Discuss how you leverage cloud services to improve scalability and efficiency.

Discuss a specific project where you integrated authentication methods like OAuth2 or JWT. Detail the challenges faced and the solutions you implemented to ensure secure user access and data protection.

Share your experience with version control systems like Git and how you utilize platforms like GitHub for collaboration. Discuss any project management methodologies, such as Agile or Scrum, that you've employed to ensure organizational efficiency.

Explain your strategies for staying updated with evolving backend technologies. Talk about resources such as online courses, tech blogs, webinars, or community meetups that you tap into, emphasizing your commitment to continuous learning.