Engineering teams repeatedly rebuild solved infrastructure components from scratch

The event highlights a recurring pattern in software engineering: teams rebuild infrastructure components that already have mature, well-documented solutions. Examples include auth systems, background job queues, retries, rate limiting, and caching. These components are not fringe problems, they are core to most systems and have been solved for years. Yet, teams consistently opt to reimplement them, often introducing bugs or missing critical edge cases in the process.

The cost of this reinvention is high. Engineering hours are spent on problems that have already been addressed, rather than on building unique value for the product. The reimplemented solutions often lack the robustness of their mature counterparts, leading to production issues that require ongoing maintenance. For instance, hand-written retry logic frequently omits jitter or fails to account for idempotency, while custom auth systems often ship with security holes that persist for years.

Platforms and frameworks contribute to this problem by promising to handle these concerns but delivering only primitives. Kubernetes, for example, provides the building blocks for rolling deploys and health checks but requires teams to assemble and tune them manually. This shifts the burden from the platform to the team, trading convenience for operational complexity. The result is a system that is harder to maintain and more prone to subtle misconfigurations.

The root cause appears to be a mismatch between the abstraction offered by platforms and the actual needs of the problem. Mature solutions often solve an adjacent problem or leave gaps where the real work lies, forcing teams to fill in the missing pieces themselves. This creates a hybrid system: half a solution from the platform and half a custom implementation, which is the worst of both worlds. The pattern is exacerbated by a culture that values customization over reuse, even when reuse would be more efficient.

The solution lies in designing systems with extensibility in mind from the start. Using standards and documented protocols, such as OIDC for auth or well-defined messaging protocols, keeps the door open for future changes. This avoids locking the system into bespoke formats or undocumented dependencies, which are harder to replace or integrate with later. The key is to balance simplicity with flexibility, ensuring that early decisions do not foreclose future options.