Andrii K.

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

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.

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.

• Applications React
• Express.js REST API
• Développement de kits d'interface utilisateur
• SCSS/Stylus/PostCSS
• Graphiques SVG/D3

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.

• Pages d'accueil basées sur Bootstrap
• Engagements WordPress
• Applications JavaScript

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.

• Codage sémantique
• Conception réactive
• Mise au point d'applications JavaScript
• Configuration et maintenance serveur dédié

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.