Senior Software Development Engineer - Backend Architecture

Job Description :

We are looking for a skilled Python Backend Developer to design, develop, and maintain scalable backend applications, APIs, and database integrations.

The ideal candidate should have strong hands-on experience with Python and backend frameworks such as Django or Flask, along with expertise in API development, database management, application performance, and security.

Key Responsibilities :

• Develop scalable, maintainable, and high-performance backend applications using Python.

• Design, develop, and maintain RESTful and/or GraphQL APIs for seamless communication between frontend applications, backend services, and third-party systems.

• Build and integrate backend services using frameworks such as Django, Flask, or FastAPI.

• Design and implement efficient SQL and NoSQL database integrations, including PostgreSQL, MySQL, MongoDB, or similar databases.

• Work with ORM frameworks such as Django ORM or SQLAlchemy for efficient database operations.

• Develop robust server-side business logic, data processing workflows, and backend services.

• Integrate and manage third-party APIs and external services, ensuring reliable data exchange and error handling.

• Write unit tests and integration tests, troubleshoot defects, and perform root-cause analysis to maintain application quality.

• Optimize application performance, including API response time, database queries, memory utilization, and overall backend scalability.

• Implement secure coding practices, authentication, authorization, input validation, and protection against common application vulnerabilities.

• Collaborate with frontend developers, QA engineers, DevOps teams, and product stakeholders to deliver end-to-end solutions.

• Participate in code reviews, debugging, documentation, and continuous improvement of backend systems.

Technical Skills :

• Strong proficiency in Python and backend application development.

• Hands-on experience with Django, Flask, and/or FastAPI.

• Strong understanding of REST APIs and/or GraphQL.

• Experience with SQL and NoSQL databases such as PostgreSQL, MySQL, MongoDB, or equivalent.

• Good knowledge of ORM concepts and database query optimization.

• Experience with unit testing, debugging, and performance optimization.

• Understanding of API security, authentication, authorization, and secure coding practices.