The Senior Backend Lead will be responsible for developing and maintaining backend systems using Python, FastAPI, PostgreSQL, Celery, and Redis. This role requires strong proficiency in Python and related technologies, with a focus on designing and implementing scalable and efficient solutions. The candidate should have experience creating and consuming RESTful APIs, a strong understanding of design patterns, and the ability to write unit and API test cases. The responsibilities include collaborating with cross-functional teams, ensuring code quality, and participating in code reviews.