Refactored a file sharing web app with end-to-end encryption and an AI content editor; focused on load time improvements and UI redesigns; developed large feature modules including card payments, subscription management, complex media forms, chat, galleries, file manager, and client-side content encryption/decryption.

Senior TypeScript Developer at ProSiebenSat.1 Media

April 1, 2023 - April 1, 2023

SPAs for VoD services on major Smart TV and Set-Top-Box platforms; contributed performance and stability optimisations, architectural improvements, code quality reviews; set up multi-tenancy build and release in GitLab CI and AWS.

Senior TypeScript Developer at ProSiebenSat.1 Media

November 1, 2021 - April 1, 2023

Contributed performance and stability optimisations and architectural improvements; overlooked code quality, performed code reviews. Set up multi-tenancy build and release in GitLab CI and AWS.

Senior TypeScript Developer at Hitbox Entertainment

November 1, 2021 - November 1, 2021

Developed a mobile-first PWA with low-latency live video streaming, synchronized real-time voice, text and data communication for groups.

Senior TypeScript Developer at Hitbox Entertainment

June 1, 2020 - November 1, 2021

Developed a mobile-first PWA, combining low-latency live video streaming, synchronised with real-time voice, text and data communication for groups.

Freelance Front-End Developer at UrbisPD.sk

May 1, 2020 - Present

Responsive UI design; Front-End implementation using GatsbyJS SSG, React, styled-components, GraphQL.

Front-End Developer at urbispd.sk

May 1, 2020 - November 11, 2025

Freelance project: Responsive UI design; Front-End implementation using GatsbyJS SSG, React, styled-components; GraphQL.

Front-End Developer at JAGGA Austria

April 1, 2020 - April 1, 2020

Created and implemented a new front-end architecture for a large spend management system using React, Redux, styled-components, webpack; maintained legacy Backbone.js system; lectured ECMAScript.

Front-End Developer at JAGGAER Austria

November 1, 2018 - April 1, 2020

Created and implemented a new front-end architecture of a vast spend management system using React, Redux, styled-components, webpack; maintained legacy Backbone.js system. Lectured ECMAScript.

JavaScript Engineer at Mautilus

December 1, 2017 - December 1, 2017

Developed applications for Smart TV and HbbTV platforms; co-authored an internal SDK using React, Redux, JSS; focused on performance optimization for SPAs; worked on VoD service providers and white-label projects.

JavaScript Engineer at Mautilus

June 1, 2016 - December 1, 2017

Developed applications for Smart TV and HbbTV platforms. Co-authored rework of an internal SDK using React, Redux, JSS. Major roles in development of custom Smart TV clients and HbbTV portals. Mainly for VoD service providers and white-label projects. Projects based on React & TypeScript or Backbone.js or vanilla ES5. All SPAs, heavily reliant on 3rd party REST APIs, focus on performance optimisation.