Python Application Programming

Python Senior Dev (L4)

Roles and Responsibilities:

Works independently, determines own priorities and provides functional / technical support to experienced colleagues.

Focus is on functional design and development of moderately complex applications and infrastructure.

Acts as Subject Matter Expert (SME) within projects concerning multiple IT systems / domains.

Identifies and advises on opportunities for improvements and on optimal use of applications and Infrastructure.

Mandatory skills:

Advanced Python expertise: Mastery of Python syntax, OOP, asynchronous programming, and frameworks like FastAPI, Flask, or Django for scalable backend development.

API design & integration: Proven experience building RESTful and GraphQL APIs, handling authentication, rate limiting, and versioning for robust data services.

Backend-for-Frontend (BFF): Familiarity with BFF architecture patterns to tailor APIs for frontend needs, reduce over-fetching, and improve client performance.

Performance optimization: Skilled in profiling, caching strategies, async I/O, and database tuning to ensure low-latency, high-throughput systems.

Cloud & DevOps fluency: Experience with containerization (Docker), CI/CD pipelines, and deploying services on cloud platforms like Azure or AWS.

System design & scalability: Strong grasp of distributed systems, microservices, and architectural decision-making to support high-traffic applications.