Jan Sladek

About

Experience

• React Native Developer & Technical Product Owner at Self-employed
  Jan 2025 - Present · 1 yr 7 mos

  Supporting software architects by breaking down complex tasks into manageable units for developers. Overseeing cross-platform integration across React Native, iOS, Android, and web. Driving development and conducting code reviews of React Native applications.

• React Native Developer at Self-employed
  Mar 2023 - Dec 2024 · 1 yr 10 mos

  Development and technology consulting for mobile and web applications with React Native. Evaluating the feasibility of chosen technologies, identifying and resolving technical debt.

• React Native Developer at T-Systems MMS
  Nov 2021 - Oct 2022 · 1 yr

• Překladatel at Orange Tree Translations
  Nov 2020 - Mar 2021 · 5 mos

  Translating documents and certificates between Czech, English and German. Development of an internal ElectronJS app for the removal of sensitive personal data from translated segments.

• React Native Developer at Memsource
  Feb 2018 - Sep 2019 · 1 yr 8 mos

  I worked on the Memsource Mobile App in a team of two, later expanded to four developers. We used React Native (Javascript ES6 with Flow), Git for code sharing, MobX for state management, Detox and Jest for testing.