12 semaines · intensif
Pour qui a une échéance
Environ 8 heures par semaine, en 1 cycle centrés sur les écarts qui pèsent le plus.
Métier en 2026 et 2027
A platform engineer builds the internal tooling, pipelines and clusters that let product teams ship without becoming infrastructure experts. The platform is treated as a product whose customers are developers, measured by how fast and safely they can deliver.
Contenu revu le 20 octobre 2026
Senior
Accountable for the platform as a product: its portal, its interfaces, its supply chain and whether developers are measurably better off.
Beyond keeping tools running, the day includes deciding what the platform offers, talking to the teams that use it and arguing for investments with data. Compared with mid, you stop fixing individual requests and shape the interfaces and team structure that remove them.
Score moyen exigé : 75 %
Self-Service Infrastructure
Pourquoi : Lets you design self-service with guardrails for cost, security and ownership, so teams can create environments freely without a forgotten, unsecured database appearing on the bill.
Developer Portal (Backstage)
Pourquoi : Lets you run a service catalogue in Backstage with owners, docs and links, so during an incident anyone can find who owns a failing service in seconds.
Kubernetes Operations
Pourquoi : Lets you set the upgrade cadence, tenancy model and policy for many teams' clusters, and plan version rollouts so an API removal does not break applications you do not own.
Helm Chart Design
Pourquoi : Lets you version a shared chart and manage its dependencies and upgrades, so changing a default does not silently alter the deployment of dozens of services.
Terraform Modules & State
Pourquoi : Lets you govern module versions and state layout across accounts, so a change to a shared network module is rolled out deliberately instead of breaking every consumer on the next apply.
GitOps (ArgoCD/Flux)
Pourquoi : Lets you structure repositories and promotion for GitOps across many teams, deciding who may change what, so drift and ownership disputes do not accumulate as you scale.
Build Optimization & Caching
Pourquoi : Lets you size shared build infrastructure and remote caches across the company and show the saved engineer-hours, which is how you justify the budget for it.
Artifact Management
Pourquoi : Lets you promote one signed image through environments from a controlled registry, so what ran in staging is what reaches production and a compromised dependency can be traced.
Centralized Logging
Pourquoi : Lets you decide retention, indexing and cost of the log platform for the whole company, so incident search stays fast without the log bill growing faster than the traffic.
Metrics & Dashboarding (Prometheus/Grafana)
Pourquoi : Lets you define a metric naming and cardinality standard, so a team adding a high-cardinality label does not overwhelm Prometheus and dashboards stay comparable across services.
Platform Team Topologies
Pourquoi : Lets you explain why the platform team provides services rather than taking tickets, and set its interaction with stream-aligned teams so it does not become a bottleneck for them.
API-First Platform Design
Pourquoi : Lets you expose platform capabilities through versioned APIs, so other teams can automate against them and you can change internals without breaking their scripts.
Internal Developer Platforms
Pourquoi : Lets you connect pipelines, infrastructure and docs into one internal platform, so a developer goes from idea to a running service through a single path instead of five tools.
Developer Experience Metrics
Pourquoi : Lets you pair DORA numbers with developer surveys to show whether the platform helps, and pick the next investment from evidence rather than from the loudest request.
Chaque niveau de ce métier correspond à un parcours d'étude. Lisez gratuitement la carte complète des sujets, puis mesurez votre niveau.
12 semaines · intensif
Environ 8 heures par semaine, en 1 cycle centrés sur les écarts qui pèsent le plus.
40 semaines · régulier
Environ 4 heures par semaine, en 3 cycles. Chaque cycle reprend ce qui reste du précédent.
A platform engineer builds the internal tooling, pipelines and clusters that let product teams ship without becoming infrastructure experts. The platform is treated as a product whose customers are developers, measured by how fast and safely they can deliver.
Platform Engineer est cartographié en 3 niveaux : Mid-level, Senior et Expert. Ouvrez chaque niveau ci-dessus pour voir les compétences à prouver.
Le plan propose 2 rythmes : 12 semaines par niveau, à raison d'environ 8 heures par semaine (intensif) et 40 semaines par niveau, à raison d'environ 4 heures par semaine (régulier).
Une séance d'étude pour chaque nouveau sujet, à votre niveau.
Des leçons pratiques sur l'usage de l'IA au quotidien dans votre métier.
Chaque exigence est prouvée par la mesure, pas par une case cochée.
À la fin de chaque cycle, vous voyez ce qui a progressé et ce qui est reporté.
Un court diagnostic mesure les compétences que vous avez déjà. Le parcours commence là.