Senior Backend Developer

Position: Senior Backend Developer (Python/FastAPI + Azure)
Location: Pakistan

Summary

Python Developer at Systems Limited will be responsible to develop scalable, secure, and well-architected backend systems, and is comfortable working in a fast-paced, cloud-native environment. Strong understanding of architecture, system design and optimizations.

• Design, build, and maintain RESTful APIs and backend services using Python (FastAPI)
• Architect and Implement authentication, session management, and authorization workflows using Azure Entra ID (formerly Azure AD)
• Write clean, testable, and well-documented code following best practices
• Ensure high availability, security, and performance of backend systems
• Collaborate closely with frontend, DevOps, and QA teams
• Use Git for source control and follow collaborative branching/review practices
• Oversee code review, architecture design and performance tuning.
• Derive adoption of best practices in code quality, CI/CD, monitoring and observability

• 6+ years of hands-on backend development experience
• Proficiency with Python and FastAPI (or similar frameworks like Flask/Django REST)
• Strong knowledge of Azure cloud services, especially:
• • Azure Entra ID (OAuth2, SSO, JWT)
  • Azure SQL, Cosmos DB, Redis
  • Azure Web PubSub, App Services, and APIM
• Experience with Git, pull requests, and version control workflows
• Strong understanding of secure coding principles and session handling
• Experience building scalable and modular backend architectures
• Excellent communication, leadership skills.