Backend Architecture Design — Case Study

    Backend system design for a growing product: API boundaries, data model, and deployment strategy aligned to scale.

    Problem

    The team needed a clear backend architecture to scale features without accumulating tech debt or reliability issues.

    Architecture

    A distributed system mapping leveraging AWS EC2 and S3 for media handling. A stateless Django monolith orchestrated via Docker Compose, bridging into a fully managed RDS PostgreSQL instance. Strict domain boundary rules mapped across distinct Django applications to limit coupling.

    Solution

    Defined domain boundaries, API versioning and contracts, database schema conventions, and deployment/monitoring approach; created an implementation plan for incremental delivery.

    Results

    • • Clear roadmap for implementation and scaling
    • • Reduced risk from better-defined boundaries and contracts
    • • Improved confidence in deployment and rollback strategy