Lambda (Cloud Functions), S3 (File Storage), Amplify Console (Hosting with CI/CD and HTTPS), AppSync (Realtime GraphQL), and Cognito (Auth) are probably the most relevant things to front-end developers.
Cloudflare provides a serverless execution environment that allows you to create entirely new applications or augment existing ones without configuring or maintaining infrastructure. Workers runs on Cloudflare's global network of data centers in over 200 cities, allowing you to run code within milliseconds of your users worldwide.
Google has physical infrastructure in data centers around the globe and a long list of services you can build with.
Google also has Firebase with its own whole collection of products for building serverlessly.
A major infrastructure provider with solutions for about just everything, and generally considered the least expensive. For working with cloud functions, there is an online editor, but it also allows GitHub sync and integrates directly with VS Code. Data storage is through Cosmos DB.