William King is a Senior Staff Software Engineer with 12 years of experience building products from startup CTO roles to engineering leadership at scale, now based in Los Angeles and currently at Airbnb. He co-founded and led Hush and UpOut, blending hands-on development with product-driven leadership while securing venture backing and accelerating consumer-facing mobile experiences. William has deep backend expertise—his open-source contributions to the widely used grpc-gateway project include a custom JSON adapter and marshaling registry that improve gRPC-to-REST translation and content-type flexibility. Comfortable moving between architecture, team leadership, and hands-on coding, he has repeatedly shipped systems for high-growth consumer platforms and logistics operations. Colleagues value his mix of entrepreneurial grit and pragmatic engineering that turns ambiguous product goals into reliable, production-ready services.
gRPC to JSON proxy generator following the gRPC HTTP spec
Role in this project:
Back-end Developer
Contributions:6 commits, 1 PR, 4 comments in 10 days
Contributions summary:William primarily contributed to the gRPC-gateway project by implementing and modifying core functionalities related to JSON handling and marshaling. They introduced a JSON adapter, enhancing the project's ability to handle JSON serialization and deserialization. Significant changes were made to the `runtime` package, including the creation of a custom marshaling registry, indicating a focus on improving the project's adaptability to various content types. These changes collectively show the user's focus on enhancing the project's ability to translate gRPC services to RESTful APIs.
Contributions:12 commits, 1 PR, 2 pushes in 1 year 5 months
extensionsthumboraws
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William King - Senior Staff Software Engineer at Airbnb