Andrii K.

Andrii K.

Frontend-ontwikkelaar

Italy
Vertrouwd lid sinds 2022
8 jaar ervaring

Andrii is een ervaren software engineer met meer dan zes jaar ervaring, voornamelijk actief als front-end ontwikkelaar.

Doorheen zijn loopbaan heeft hiij een aanzienlijke expertise verworven in JS en React.js en was hij verantwoordelijk voor gebruiksvriendelijke ervaringen in samenwerking met back-end ontwikkelaars.

Andrii is goed onderlegd in grafisch ontwerp applicaties zoals Adobe Illustrator, Adobe Photoshop en Figma.

Hoofd expertise

JavaScriptJavaScript8 jaar
React.jsReact.js8 jaar
TypeScriptTypeScript7 jaar
Node.jsNode.js5 jaar
10+

Ervaring9

EdMon AI

Software Engeneer

EdMon AI
Entertainment and Media
May 2025 · 10m

EdMon AI is an AI assisted online video editor. My main achivements:

  • Solved critical memory leak issues, improving application stability and performance

  • Led migration from Vue 2 to Vue 3, rewriting the component base using the Composition API and TypeScript

  • Refactored legacy architecture by replacing mixins and complex Vuex patterns with maintainable composables

  • Introduced a security middleware layer, eliminating direct database interactions and improving system safety

  • Modernized the UI by consolidating dozens of legacy packages into a cohesive design system

  • Improved video playback reliability by resolving clip/state synchronization and rendering issues

  • Reduced UI bugs and visual inconsistencies through component and state flow optimization

JavaScriptJavaScript
Vue.jsVue.js
Node.jsNode.js
Google CloudGoogle Cloud
FirebaseFirebase
5+

Software Engineer

DREM Energy AB
Renewable Energy
Sep 2022 - Apr 2025 · 2y 7m

DREM Energy AB is a Swedish company delivering software tools for renewable energy monitoring and management.

  • Delivered two Redwood.js applications, including MVP development and successful production launches.

  • Reduced first load time from over 10 seconds to ~1 second, significantly improving performance.

  • Created a shared utility/constants package for both frontend and backend.

  • Built backend services to bypass Redwood.js serverless limitations, enhancing scalability.

  • Composed dynamic GraphQL queries to support evolving schema and data needs.

JavaScriptJavaScript
React.jsReact.js
TypeScriptTypeScript
GraphQLGraphQL
Chakra UIChakra UI
2+

Front-end Developer

Protetiko AB
Healthcare
Apr 2018 - Jun 2022 · 4y 2m

Protetiko AB develops web-based dental and medical management tools in Sweden.

  • Developed core business logic for multiple React applications.

  • Built reusable packages for UI components, data fetching, i18n, and utilities.

  • Led development on a large-scale Next.js application.

  • Wrote and maintained unit tests to ensure code reliability.

  • Acted as lead developer in the final year of engagement.

React.jsReact.js
TypeScriptTypeScript
Redux.jsRedux.js
Next.jsNext.js
Unit Testing

Front-end ontwikkelaar

Mjolnir LCC
Sep 2016 - Apr 2018 · 1y 7m
  • React applicaties
  • Express.js REST API
  • UI Kit-ontwikkeling
  • SCSS/Stylus/PostCSS
  • SVG graphics/D3

Front-end developer

Mjolnir LCC
Sep 2016 - Apr 2018 · 1y 7m

Mjolnir LLC specializes in building data-driven, interactive web platforms with visual analytics.

  • Developed React applications and REST APIs using Express.js.

  • Built and maintained internal UI kits and styled components using SCSS.

  • Implemented interactive charts using SVG/D3.js.

  • Worked on both frontend and visualization layers in tandem.

React.jsReact.js
CSSCSS
Express.jsExpress.js
SCSSSCSS
UIKitUIKit
D3.jsD3.js

Front-end ontwikkelaar

Prospect-line WEB-SEM Studio
Sep 2015 - Sep 2016 · 1y
  • Bootstrap gebaseerde landingspagina's
  • WordPress opdrachten
  • JavaScript applicaties

Front-end developer

Prospect-line WEB-SEM Studio
Marketing and Advertising
Sep 2015 - Sep 2016 · 1y

A boutique web and marketing agency providing web development and SEM services for small businesses.

  • Developed mobile-first landing pages using Bootstrap.

  • Created and customized WordPress websites for client campaigns.

  • Built interactive JS elements to improve conversion metrics.

JavaScriptJavaScript
BootstrapBootstrap
WordPressWordPress

Front-end ontwikkelaar

Software Finance BP Ukraine LLC
Sep 2014 - Sep 2015 · 1y
  • Semantische codering
  • Responsive design
  • JavaScript webapplicaties ontwikkeling
  • Dedicated server configuratie en onderhoud

Front-end developer

Software Finance BP Ukraine LLC
Banking and Finance
Sep 2014 - Sep 2015 · 1y

A Ukrainian company focused on developing banking software for online platforms.

  • Developed responsive web apps using modern JavaScript.

  • Built semantic layouts and applied accessibility best practices.

  • Supported server configuration and deployments on dedicated infrastructure.

JavaScriptJavaScript
SCSSSCSS

Beoordeling

Uitmuntendheid in techniek

Andrii algemene prestaties in een 90-minuten durende technische beoordeling zijn in de top 5% van de gescreende Frontend-ontwikkelaar bij Proxify.

Educatie

N“
NTUU “KPI”
Elektronica2006 - 2010

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