Mateusz Kimont - Principal Full-Stack Engineer

Mateusz Kimont

Principal Full-Stack Engineer


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Front-End Expertise


JavaScript Frameworks:

Extensive experience with popular frameworks like React, Angular, and Vue.js, allowing effective development for complex and interactive interfaces.
Familiarity with older frameworks like Ember, Backbone, and Marionette for adaptability to existing projects.


Performance Optimization

Optimizes website performance with tools like Google Tag Manager, Google Analytics, PageSpeed Insights, Enhance Ecommerce, Schema, and GTMetrix.
Employs browser testing tools like BrowserStack and Litmus for cross-browser compatibility.


SEO/SEM

Deep knowledge of GTM (Google Tag Manager), GA (Google Analytics), Tealium (Adobe) and SEO/SEM principles


JavaScript Libraries and API

Utilizes JavaScript libraries and APIs like jQuery, Lodash, Moment.js, and Fetch API for efficient and reliable development.
Familiarity with older libraries like Prototype.js, Mootools, and YUI for adaptability to existing projects.


Data Visualization

Utilizes data visualization tools like Chart.js, D3.js, and Highcharts for creating interactive and informative charts and graphs.


Solid Foundations:

Skilled in HTML5, CSS3, and SCSS for building modern, semantic web experiences.
Utilizes templating engines for efficient and maintainable code.
Optimizes website performance using best practices and tools like Webpack, Gulp, and NPM.


Email Development:

Creates engaging HTML templates for email campaigns and auto-feeds for Mailchimp, Mailgun, and Mailjet.


Animation and Design:

Leverages GreenSock and CSS3 for smooth and visually appealing animations.
Utilizes design software like GIMP, Photoshop, XD, and others for crafting user-centered UIs and UX experiences.
Employs responsive design principles for optimal viewing across all devices.


Testing

Proficient in writing and running automated tests using Selenium, Playwright, Cypress, MochaJS, Jest, Jasmine, and Webdriver.io.
Analyzes user behavior using Hotjar and Rollbar for informed design and development decisions.


Additional Tools:

Utilizes Confluence or similar for knowledge sharing and documentation.