Denys Sedchenko
Senior Software Engineer - Alloy at Grafana Labs
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolDenys Sedchenko is a Senior Software Engineer with 11 years of experience building high-load, cloud-native, and distributed systems, currently working on Alloy at Grafana Labs. He specializes in Go, TypeScript, WebAssembly, Kubernetes, and AWS, and has delivered measurable impact—reducing latency by 80%, scaling throughput to 50K+ RPS, and cutting costs through cloud migrations. Denys blends backend and frontend expertise (including porting a Go language server to WASM and enhancing a Go playground with Monaco-based autocompletion and dark/Vim modes) and maintains open-source projects that have earned 1K+ GitHub stars. Comfortable across the stack, he repeatedly improves observability and telemetry in production systems and brings a pragmatic, performance-first mindset to platform engineering.
11 years of coding experience
4 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Polish-Japanese Academy of Information Technology
English, Hebrew, Ukrainian
Stackoverflow
178reputation
9kreached
9answers
3questions
Github Skills (22)
typescript10
code-completion10
ui-design10
monaco-editor10
uid10
go10
front-end-development10
typescript-types10
typescripts10
syntax-highlighting10
react10
webassembly9
vim8
qml6
cross-compiling6
Programming languages (21)
Github contributions (5)
x1unix/go-playground
Jan 2020 - Dec 2022
Better Go Playground with autocompletion and syntax highlight
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:85 releases, 4 reviews, 346 commits in 2 years 11 months
Contributions summary:Denys primarily contributed to the front-end development of the project, adding features such as code completion and syntax highlighting using the Monaco editor. They implemented a resizable preview panel and added support for Go code snippets, enhancing the user experience. They also integrated the UI with a language server for code suggestions and implemented dark mode theming. Furthermore, they have added a Vim mode for the editor.
golanggoplayreactmonacogolang-tools
x1unix/go-cgminer-api
Apr 2020 - Feb 2021
Library for accessing the CGMiner API from Go
Contributions:6 releases, 28 commits, 6 PRs in 9 months
golangapicgo
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