Javascript Developer & React Developer & React Native Developer

Mr. The candidate is an experienced React/React Native developer with more than 18 years of JavaScript experience. He has been working with React for the last 3 and a half years, he has worked with Typescript in the past, but he hasn't been actively working with it for more than a year, although he wants to return to it. He uses Redux on a regular basis on projects. He is currently working on the development of a mobile and web application in the field of telemedicine (doctor-patient communication via video call or chat), his technology stack includes PHP, CSS/HTML, Javascript, Node.js, MySQL, MSSQL and jQuery, Typescript, Redux, in addition to the technologies already mentioned. His past projects have given him experience in finance and energy. He has experience working in international teams and also with agile methodologies (Kanban, SCRUM). He speaks Czech and also English.

Freelancer (10/2006 - to present): Developed web pages and information systems, performed network administration and hardware repairs, provided hardware and software consultation. Created a web-based point of sale (POS) system with connections to the Tax Agency system, thermal printer printing, and payment terminal integration. Developed a web-based data mining application and an infinite loop presentation with videos and images. Customized software and utilized technologies such as ReactJS, React Native, Node.js, MySQL, PHP, CSS, and HTML.

Senior Software Engineer (07/2019 - 05/2021): Developed web portals in the finance and energetics sectors, provided third-level support, and developed mobile applications in the energetics field. Conducted independent audits of third-party solutions. Utilized technologies such as ReactJS, Node.js, React Native, JavaScript, and Java.

Senior Software Engineer (09/2015 - 07/2019): Designed and developed a Tax Engine on the NetSuite platform. Enhanced and fixed bugs in NetSuite Core (Taxes). Utilized JavaScript (SuiteScript), Java, and SQL. Created the NetSuite SuiteTax Engine Plugin for VAT and Sales Tax.

Programmer and Network Administrator (07/2010 - 08/2015): Developed features for the Microsoft Dynamics NAV platform and designed and developed POS systems. Implemented communication between POS systems and payment terminals. Implemented a warehouse management system and connected it to voice picking systems. Utilized technologies such as C/AL, MSSQL, PHP, and C#.

Programmer and Network Administrator (07/2009 - 06/2010): Administered the business portal ABC Business and developed an internal system for survey evaluation. Implemented communication between POS systems and POS scales. Utilized PHP and C/AL.

External PHP Developer (12/2007 - 08/2009): Customized and developed information systems and web pages. Worked as a team member on the All-african cable TV web portal (GTV). Developed a task plugin for SynopsIS, a system for legal office agenda. Utilized PHP, CSS, HTML, MySQL, and JavaScript.