Senior Python Developer

Senior Python Developer

Experience

5+ years of hands-on experience in Python development, with exposure to enterprise-scale systems.

Role Summary

We are looking for a Senior Python Developer who can design and build large, modular, and maintainable systems. The role requires a strong understanding of enterprise architecture patterns, clean code practices, and experience working on business-critical applications such as ERP, financial systems, or large backend platforms.

Technical Skills (Must Have)

• Strong proficiency in Python (5+ years)
• Hands-on experience with modular and layered architectures
• Deep understanding of Clean Architecture / Hexagonal Architecture / DDD concepts
• Experience with FastAPI or Django for enterprise backend development
• Strong knowledge of REST API design and service contracts
• Experience implementing dependency injection and inversion of control
• Solid understanding of authorization models (RBAC, policy-based access, tenant-scoped permissions)
• Strong experience with relational databases (PostgreSQL, MySQL)
• Writing maintainable, testable, and well-documented code

Enterprise & Architecture Knowledge (Important)

• Experience working on ERP, financial, or large business applications
• Familiarity with Patterns & Practicesstyle architecture principles
• Clear understanding of cross-cutting concerns (logging, validation, security)
• Experience designing shared platform services or common libraries
• Knowledge of CQRS concepts and when to apply them
• Understanding of multi-tenant system design

Key Responsibilities

• Design and develop Python applications following clean, layered, or hexagonal architecture
• Define clear module boundaries and enforce separation of concerns
• Build and maintain enterprise-grade backend services using frameworks such as FastAPI or Django
• Translate business requirements into domain-driven models and application services
• Implement policy-based authorization, roles, and permissions in a scalable manner
• Ensure business logic remains independent of frameworks and infrastructure
• Review code and guide teams on architectural best practices
• Write unit and integration tests with clear test boundaries
• Collaborate with product, QA, and architecture teams to deliver high-quality solutions

Nice to Have

• Exposure to event-driven architecture or message queues
• Experience with workflow engines or long-running business processes
• Knowledge of OpenStack, Odoo, ERPNext, or similar large systems
• Experience mentoring developers and reviewing architecture designs
• Background in cloud-native systems (Docker, Kubernetes)