Denis Dueck

Denis Dueck Contact Address ul. Potockich 55, Warsaw 71-044, Poland Email-Skype live:.cid.c1661ee8e74c4cf Telegram https://t.me/geektalent Professional Summary I'm a senior front-end web developer having 7 years of hands-on experience. Especially, React is my favorite and most confident framework for building front-end. I was responsible for building Frontend UI by using React and I made pixelperfect and responsive websites with the given Figma/XD design and make them work on various kinds of browsers and mobile devices. I am much familiar with Redux/Context to manage state and props and I often use functional components with Hooks and HOC(Higher Ordering Component). During development, I love to make reusable components and write DRY, well-structured, well-commented, and clean code to make other team members read and understand my code for teamwork. I am much familiar with testing by using Jest / Enzyme and version control and team/project management services and tools. Work Experience 07/2021 - 10/2022 Additional Skills • React.js • Next.js • Redux • Javascript • Typescript • Material UI • TailwindCSS • agile / scurum • Github / Bitbucket • Jest / Enzyme • Jira / trello • Firebase • GCP • Docker • Restful API • AWS • Azure • Html / CSS • Laravel / PHP Fordway Senior React Developer • Launched a new generation chatting application that enables augmented reality, 3-dimensional environment, virtual reality, and fun fairs. • Deployed web layout by implementing flex-box styles to React Component, adding event listeners to get real DOM, and implementing responsive web pages. • Used React-router to update different content without refreshing the DOM and the entire page. • Worked on implementing visualizations that would be part of the data science platform exploration area. • Worked on building new React components for the customer-facing web app which improved the time on the page. • Tested website using jest, testing framework, and Cypress, Selenium for end-to-end testing. • Created webpages according to the client's guidelines and standards throughout the development and maintenance of the website using React, TailwindCSS, and MaterialUI. • Worked closely with the back-end team to display data using the Custom Components, library components, Redux, and Redux-Saga. Main Technology: React.js, Next.js, Redux, Typescript, MI, TailwindCSS 02/2018 - 05/2021 Atos Front-end Engineer • Developed websites and mobile applications for over 20 clients. • Designed and Developed integrated management systems and eCommerce sites from scratch. • Worked within an agile team and helped prioritize and scope feature requests to ensure that the biggest impact features were worked on first. • Worked on the styling of React components along with Styledcomponents. • Worked with the JEST unit test framework to write unit tests for JavaScript code. • Developed page routing capabilities for bookmarking, filters, validations, and React components such as grids, buttons, carousels, date pickers, modal dialogs, and other input components. • Implemented complex UI components with React and SCSS. • Developed Responsive Websites that could be served by desktops, Tablets, and mobile devices using React.js. Main Technology: React.js, Javascript, Typescript, SCSS, Node.js 11/2015 - 12/2017 Sopra Steria Junior Front-end Developer • Maximized application efficiency, data quality, scope, interoperability, and flexibility. • Participated in the Software Development Life Cycle which includes requirement analysis, coding, testing, and maintenance. • Uploaded file and merged branch by using the version control tool Git. • Implemented various screens for the front end using React.js and used various predefined components from NPM and redux library. • Interacted with the Testing Team, Scrum Masters, and Business Analysts to fix issues. • Implemented features and fixed issues in React-Redux-Form such as mobile-view rendering issues. Main Technology: React.js, Javascript, Typescript, Bootstrap 11/2012 - 10/2015 Vioo PHP Developer(Laravel) • Involvement in the design and development of various web applications using HTML, CSS, Javascript, and MVC framework(Laravel). • Developed app integration with REST and other APIs for Google Maps, social media logins, several payment processors, and other 3rd party services. • Fixed bugs from existing websites and implemented enhancements that significantly improved web functionality and speed. • Worked with other team members to brainstorm the idea, collect necessary data and execute it. Main Technology: Laravel, HTML/CSS, Javascript, PHP Education 04/2008 - 09/2012 The Hong Kong University of Science and Technology Bachelor's Degree of Science in Computer Science Powered by TCPDF (www.tcpdf.org)