Viacheslav Kim

Seattle, Washington, United States

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Summary

🤩

Rockstar

🎓

Top School

Viacheslav Kim is a DevOps and systems engineer with 13 years across the full SDLC—having held roles from PM and BA to developer, QA, and IT manager—based in Seattle. He combines hands‑on backend coding (Golang, Java, .NET/C#) with IaC, CI/CD, and cloud operations, and has a track record of improving developer experience through tooling and debugging enhancements. An active open-source contributor, he’s improved debugging and optimistic-update workflows in high-profile projects like Relay and Apollo Client and optimized KafkaJS networking internals. Known for mentorship and team leadership, he pairs strong interpersonal skills and fluent English with a pragmatic, agnostic approach to technologies and a knack for simplifying complex systems.

13 years of coding experience

Master Degree, Master Degree at EPAM University

English

Github Skills (22)

debugging10

debug10

javascript10

develop10

typescript10

kafka10

wpgraphql10

relayer10

apollo-client10

wordpress-graphql10

typescript-types10

graphql10

nodejs10

typescripts10

developer-tools10

Programming languages (14)

JavaC++CSSRustPugGoHTMLTypeScript

Github contributions (5)

apollographql/apollo-client

Jul 2016 - Aug 2016

:rocket: A fully-featured, production ready caching GraphQL client for every UI framework and GraphQL server.

Role in this project:

Full-stack Developer

Contributions:61 commits, 10 PRs, 51 pushes in 1 month

Contributions summary:Viacheslav made several contributions to the Apollo Client library, including adding and handling mutation errors in reducers. They implemented optimistic updates using a stack of changes, improving the user experience by allowing for UI updates before the server responds. Additionally, the user added tests for optimistic UI behavior and refactored the code related to optimistic mutations.

graphql-clientapollographqlui-frameworkproduction-readycaching

facebook/relay

Jun 2017 - Aug 2017

Relay is a JavaScript framework for building data-driven React applications.

Role in this project:

Full-stack Developer

Contributions:17 commits, 1 PR, 6 comments in 2 months

Contributions summary:Viacheslav primarily focused on enhancing the Relay debugging tools and infrastructure. They added features to the RelayDebugger to expose and inspect runtime data, including the ability to filter records and observe store modifications. Additionally, the user integrated Relay with React Native devtools and improved validation error messages, indicating a focus on both runtime debugging and developer experience. The commits also included changes in the compiler and website for better functionality.

data-drivenreactrelayreact-applicationsjavascript-framework

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