Find the request you handle every week: a new service scaffold, a namespace, a database, an access grant. Build the path that lets a developer do it without you, with sane defaults and guardrails. That single artefact converts your ticket history into platform evidence better than any tooling list on a resume.
Every platform decision is about what to hide. Hide too much and teams route around you; hide too little and nobody saves time. Interviews probe this directly. We work through where you drew the line on your own platform, what escape hatch you left, and what you would abstract differently with hindsight.
Platform work is judged on whether people use it. Percentage of services onboarded, time from repository to first deploy, tickets eliminated, teams still on the old path. Even rough numbers change how a hiring manager reads your experience, because they show you thought about the platform as a product with users.
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The tooling overlaps almost completely. The operating model does not. DevOps roles are frequently structured around supporting teams request by request, while platform teams build a product with a roadmap, users and adoption targets. If your current work is ticket-driven, the transition is real and requires different evidence, even if you are already using the same Kubernetes and Terraform stack every day.
No, and jumping to a portal is a common mistake. A portal is a surface over capabilities that must already exist. If service creation, environment provisioning and access still require manual work, a catalogue only makes the gaps more visible. Build the self-service capability first, then add a portal if discovery is genuinely the bottleneck rather than the underlying automation.
Reconstruct it from what you remember and can verify. How many teams onboarded, how long provisioning took before and after, which recurring ticket disappeared from the queue. Approximate figures presented honestly are acceptable in interviews if you are clear about how you arrived at them. Precise-sounding numbers you cannot explain are far more damaging than a rough estimate.
More than DevOps typically requires. Platform teams write and maintain code that other engineers depend on: modules, controllers, CLIs and internal services. That means versioning, backward compatibility, documentation and a support model. Candidates who can only script tend to stall at the point where the platform needs to be maintained by a team rather than by its original author.
