# Blog

[Blog](https://iits-consulting.de/en/blog)

## By Techies for Techies

[What It Takes to Become an iSAQB-Certified Software Architect](https://iits-consulting.de/en/blog/what-it-takes-to-become-an-isaqb-certified-software-architect/index.md)

The iSAQB certification at Advanced Level takes years of project experience, accredited trainings and an architecture project defended in front of two examiners. We look at what that means in practice and why one of our architects now wants to teach it.

[Professional rejections. Bad hires. Poor reviews.](https://iits-consulting.de/en/blog/improve-your-recruiting/index.md)

Seven tips for more efficient recruitment, better-fit hires and a better candidate experience - with public reviews in mind, too.

[From runtimeClassName to runc: How Kubernetes Picks a Runtime](https://iits-consulting.de/en/blog/from-runtimeclassname-to-runc-how-kubernetes-picks-a-runtime/index.md)

While studying for the CKS, I looked into RuntimeClasses: why you might want more isolation than a container offers, and how containerd, a shim, and runc start one.

[Who Answers \_\_typename? Polymorphism Across Subgraph Boundaries](https://iits-consulting.de/en/blog/who-answers-typename-polymorphism-across-subgraph-boundaries/index.md)

When using GraphQL Federation to separate concerns, resolving the \_\_typename of interface implementations can be tricky. Let's see how @interfaceObject solves this problem.

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