Nikita Galkin
Kyiv, Ukraine
Summary
🤩
RockstarNikita Galkin is a Fractional CTO, Cloud Architect and software engineer in Miami with over a decade of experience building high-load, cloud-native systems for startups and enterprises. He blends hands-on Node.js backend development, GraphQL and microservices with pragmatic DevOps—designing scalable AWS/Azure/GCP architectures, CI/CD pipelines and reusable platform components. His work spans decentralized finance (ERC20 DEX and blockchain integration), AI-driven analytics and large data pipelines, where he drives performance, observability and delivery. An active open-source contributor, he improves TypeScript typings in the high-profile DefinitelyTyped repository (notably Node.js modules like events.once, timers/promises and crypto/os typings). With a post-graduate economics background and a hacker's past that includes reverse-engineering game clients and Perl tooling, he brings a unique blend of system-level optimization and risk-aware, product-focused architecture.
11 years of coding experience
Stackoverflow
5,392reputation
444kreached
140answers
8questions
javascript
top-5%
graphql
top-1%
Github Skills (24)
typescript310
dep10
node-js10
typescript10
typescript-definitions10
typescript210
type-definition10
typescript-types10
graphql10
nodejs10
typescripts10
deprecated10
javascript9
javascripts9
converters6
Programming languages (15)
Github contributions (5)
DefinitelyTyped/DefinitelyTyped
Oct 2019 - Dec 2022
The repository for high quality TypeScript type definitions.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 reviews, 7 commits, 7 PRs in 3 years 2 months
Contributions summary:Nikita primarily contributed to improving and updating TypeScript type definitions for the Node.js environment. They added type definitions for `events.once` in various Node.js versions and improved typing related to deprecation messages and constants in the `crypto` and `os` modules, specifically related to signals and error codes. The user also added a scheduler to the `timers/promises` module and made improvements to the signal declarations, addressing deprecations and adding missed signals.
typescript-definitionstype-definitionshigh-qualitydtsdefinitions
galkin/my-mac
Apr 2018 - Sep 2021
Contributions:6 PRs, 15 pushes, 13 branches in 3 years 5 months
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