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Lessons from architecture, AI and modern software development

Practical posts from real projects: system design, APIs, testing and AI-assisted development.

API development

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API development

API design that holds up: contracts, versioning and backward compatibility

Contract first with OpenAPI, versioning and its trade-offs, the difference between backward-compatible and breaking changes, errors as Problem Details (RFC 9457), pagination and idempotency.

October 15, 2026 · 6 min read

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