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Django and Django REST Framework in production: the ORM, query performance, transactions, Celery tasks and the patterns that hold up under load.

2 articles about Django Migration — practical software engineering notes from real-world development.

1 article about API — practical software engineering notes from real-world development.

1 article about API Key vs Access Token — practical software engineering notes from real-world development.

PostgreSQL from an application engineer's perspective — indexing, query planning, schema design, transactions and diagnosing slow queries.

Using Redis as a cache, queue and coordination primitive: caching strategies, invalidation, expiry and the failure modes that come with them.