Jaroslav Hejný
Záhumenice 557/36, Brno-Jih, Horní Heršpice, Czech Republic |
(+420) 720 602 150 | jaroslavhejny@email.cz
Profile
Experienced frontend developer specializing in Vue/Nuxt and React/Next, with hands-on experience designing and developing supporting Node.js backend services (Express.js). Strong background in building complex UI components, integrating analytics tools, and working on large-scale online platforms.
Education
2004 – 2008
Grammar School Brno, Kapitána Jaroše – Mathematics-focused program, High School Diploma.
Work Experience
10/2025 – 12/2025 | React Developer – Contract for NXP Semiconductors Czech Republic
- Development of an internal React application for monitoring and managing development processes.
- Enhancement and extension of existing components and creation of new UI elements.
- Detailed work on styling and UX optimization.
- Close collaboration with the development team to improve application logic and usability.
- Contribution to component modernization and design unification across the application.
05/2021 – 08/2025 | Frontend Developer – Ringier Slovakia Communities s.r.o.
- Frontend development for Video.azet.sk, Koktejl.sk, Obkec.sk, Pocasie.azet.sk (Nuxt.js).
- Development of Azet homepage (TypeScript, React, Storybook, styled-components).
- Development and maintenance of Pokec.sk (TypeScript, React).
- Integration of analytics and consent management tools (SourcePoint, Google Analytics).
- Development and maintenance of internal npm packages shared across multiple projects.
- Partial involvement in Node.js backend development – Express.js APIs, proxy layers, and supporting services.
05/2020 – 04/2021 | React Developer – Solitea s.r.o.
- Development of React components supported by Python scripts.
- Goal: creation of a custom PDL solution.
- Work within a Storybook-driven development workflow.
02/2020 – 05/2020 | Vue.js Volunteer Developer – Učíme.se Project
- Development of Vue.js components for an educational platform.
01/2018 – 04/2020 | HTML5 Programmer – Net and Games a.s., Brno
- Development of online casino games using an in-house framework and Pixi.js.
- Integration of games into various casino platforms.
- Development of a Vue.js customer application (Vuex, Vue Router).
- Minor backend modifications using Python.
12/2013 – 12/2017 | Junior Programmer & Lecturer – Code Creator s.r.o., Brno
- Conversion of books into HTML and CSS, JavaScript/jQuery adjustments.
- Preparation of templates and presentations.
- Teaching MS Office and iOS courses.
09/2010 – 12/2018 | Chess Coach – DDM Vyškov & TC Brankovice
- Coaching and training of talented children.
01/2016 – 08/2016 | Copywriter – Vyškovský deník
- Writing sports-related articles.
01/2011 – 08/2011 | Production Line Supervisor – Wistron Infocomm s.r.o., Brno
- Organization and supervision of production line operations.
09/2010 – 02/2013 | Private Mathematics Tutor
- Preparation of students for final high school exams.
Technical Skills
- JavaScript, TypeScript
- Vue.js, Nuxt
- React, Next.js
- Storybook
- Pixi.js
- Node.js (Express.js)
- jQuery
- npm, Webpack
- HTML5, Git
- MS Office (Excel, Word, PowerPoint)
Languages
- Czech – Native
- English – C1
- German – A1
- French – A1
Additional Information
- Driving license: Category B
- Interests: sports, travel, blood donation, active member of football and chess clubs