“The course structure saved me weeks. I recommend it to any dev who wants to level up.”
Sarah M.
Backend developer, Paris
Web & APIs
GraphQL with Java
4.7(45 reviews)
3-5 weeks
Intermediate
109,00 €one-time payment
GraphQL offers a powerful alternative to REST APIs for complex use cases. This course covers building GraphQL APIs in Java with Spring for GraphQL: schema design, resolvers, DataLoaders for N+1, subscriptions, and security. You will compare REST vs GraphQL and know when to use each.
Technologies
Spring for GraphQLGraphQL JavaWebSocket
What you will learn
Schema-first vs code-first
Queries, mutations, subscriptions
DataLoaders to solve N+1
Security and per-field authorization
Pagination and advanced filtering
GraphQL API testing
Reviews
What learners say
“The labs are at the right level — no copy-paste, you actually think. Exactly what I was looking for.”
James K.
Fullstack dev, London
“I had a technical interview the week after. The concepts really stuck.”
Yuki T.
Tech lead, Lyon
“Pro-level training, no fluff. The checklists and project code are my go-to reference.”
Léo D.
Java developer, Brussels
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