/GraphQLConf 2025

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Amsterdam, Netherlands
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Denis Badurina

Spec Agnostic Executor for Federated GraphQL

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Metropolitan B-C
Federation and Composite SchemaSession Presentations

Denis Badurina

Software Architect, The Guild

I am a self-taught senior software architect, with a distinguishing trait of resiliently finding simple solutions to complex problems using communication through words and code. Starting from my first Lego set, I've been in love with development throughout my whole life. As a creator, having the ability to turn thoughts into reality is a gift I find essential. Forever learning through practical applications, bad decisions and positive thoughts - I, ultimately, turned a hobby into an obsession.

A fresh take on planning and executing federated GraphQL schemas. The executor is zero-dependency, spec and environment agnostic, with stable plans and explanations. Additionally, all of its steps are serializable - allowing for sophisticated caching mechanisms and deterministic plans. It supports all existing, and all future, federated specifications like Apollo Federation and the upcoming GraphQL Composite spec. We'll talk about how the new executor came to be, the challenges it faced, and how TDD expedited the process with confidence in mind.