Elena Golovko
Senior Frontend Developer at Semrush
Belgrade, Central Serbia
Summary
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RockstarElena Golovko is a Senior Frontend Developer with eight years of experience building and modernizing large-scale web applications, currently shaping frontend at Semrush from Belgrade. She has led feature development, refactoring, and migrations across retail, e‑commerce, and enterprise HR platforms—raising unit test coverage to 90% and moving projects from Angular to React. Elena pairs pragmatic engineering with product-facing communication, implementing A/B testing, contract tests with PactFlow, and CI-driven screenshot testing via Storybook. An active contributor to DefinitelyTyped, she has improved TypeScript typings for Ember.js components and services, enhancing type safety for other frontend teams. Known for embracing challenging tasks, she blends hands-on coding with system-level improvements that reduce technical debt and improve developer experience.
8 years of coding experience
6 years of employment as a software developer
Github Skills (8)
emberjs10
static-typing10
typescript10
dts10
typescript-definitions10
typescripts10
type-definition10
typescript-types10
Programming languages (4)
Github contributions (5)
DefinitelyTyped/DefinitelyTyped
Jun 2022 - Oct 2022
The repository for high quality TypeScript type definitions.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:4 reviews, 7 commits, 6 PRs in 3 months
Contributions summary:Elena primarily focused on adding and updating TypeScript type definitions for various Ember.js components and services within the DefinitelyTyped repository. This included defining types for components such as `ModalComponent` and services like `EmberModalService` and `SchedulerService`. These changes involved updating existing type definitions to accommodate new features and ensure compatibility with later versions of Ember.js and related libraries. The user's contributions directly enhanced the type safety and developer experience for Ember.js projects.
typescript-definitionstype-definitionshigh-qualitydtsdefinitions
elenagolovko/DefinitelyTyped
Jun 2022 - Oct 2022
The repository for high quality TypeScript type definitions.
Contributions:23 pushes in 3 months
type-definitionshigh-qualitydefinitionstypescriptquality
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