Jaroslav Hejný
Záhumenice 557/36, Brno-Jih, Horní Heršpice | (+420) 720 602 150 | jaroslavhejny@email.cz
Profile
Experienced frontend developer specializing in Vue/Nuxt and React/Next. Skilled in developing complex components, integrating analytics tools, and working on large-scale online platforms.
Education
2004 – 2008
Gymnázium Brno, třída Kapitána Jaroše – specialized in mathematics, completed with graduation exam.
Work Experience
10/2025 – 12/2025 | React Developer – contract for NXP Semiconductors Czech republic, spol. s r.o.
- Worked on an internal React application for monitoring and managing development processes.
- Modified and extended existing components and created new UI elements.
- Focused on styling, layout improvements, and enhancing overall UX.
- Collaborated with the development team to refine logic and improve usability.
- Contributed to component modernization and design consistency across the application.
05/2021 – 08/2025 | Frontend Developer – Ringier Slovakia Communities s.r.o.
- Developed custom components for Video.azet.sk, Koktejl.sk, Obkec.sk (NuxtJS)
- Azet homepage (Typescript, React, Storybook, styled-components)
- Pokec.sk (Typescript, React)
- Integrated analytics tools such as SourcePoint and Google Analytics
- Created in-house npm packages for internal use
05/2020 – 04/2021 | React Developer – Solitea s.r.o.
- Developed custom React components supported by Python scripts
- Goal: create a custom PDL
- Worked within a Storybook-driven workflow
02/2020 – 05/2020 | VueJS Volunteer – Učíme.se Project
- Created VueJS components for an online learning application
01/2018 – 04/2020 | HTML5 Programmer – Net and Games a.s., Brno
- Developed online casino games using an in-house framework and Pixi.js
- Integrated games into various casino platforms
- Designed and developed a VueJS-based backend application (Vuex, Vue-Router) to provide statistics and essential information for customers
- Minor backend adjustments in Python
12/2013 – 12/2017 | Junior Programmer and Lecturer – Code Creator s.r.o., Brno
- Processed books for digital publishing by converting formats to HTML, CSS, JavaScript, and jQuery
- Created templates and styles, prepared presentations for customers
- Conducted training courses focused on MS Office and iOS
09/2010 – 12/2018 | Chess Trainer – DDM Vyškov and Training Center Brankovice
- Coached talented children and improved their chess skills
01/2016 – 08/2016 | Copywriter – Vyškovský deník
- Wrote articles for the sports column
01/2011 – 08/2011 | Line Leader – Wistron Infocomm s.r.o., Brno
- Organized workflow and supervised production line workers
09/2010 – 02/2013 | Private Math Teacher
- Prepared students for graduation exams
Technical Skills
- JavaScript, Typescript
- Vue.js, Nuxt
- React, Next
- Storybook
- Pixi.js
- jQuery
- npm, Webpack
- Express.js
- HTML5, Git
- MS Office (Excel, Word, PowerPoint)
Certificates
- MIDIS – training focused on account and customer relationship management
Languages
- Czech – native language
- English – C1
- German – A1
- French – A1
Additional Information
- Category B driving license
- Interests: sports, traveling, blood donor, active member of a football and chess club