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by Sebastian Machaj

Javascript

Babel
Babel
TypeScript
TypeScript

JavaScript (JS) is an interpreted, dynamically typed, high-level programming language. It is a multi-paradigm language which can be programmed in an object-oriented, functional and imperative way. Currently, it is one of the most popular programming languages in the world, and is constantly evolving. Javascript is commonly used to control the behaviour of a website/web application in the browser, but is also often used outside of servers ex. mobile or desktop (PC) applications. It can also be found in technologies like Blockchain, Internet of Things, or robotics (such as Raspberry Pi). In larger projects TypeScript is often used, which is a superset of Javascript. It provides static typing, better cooperation with text editors and declaring interfaces for the API on the server side, making cooperation between the frontend and the backend better.

Find out more about Javascript

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Programming Services

I also undertake repair tasks for written applications in technologies I know, code refractoring and optimizing their operation.

Full offer

Custom Scripts

You need a Booking system for your application, or maybe you just want to liven up your Landing Page with eye-catching animations, you've come to the right place, that's I do too.

Full offer

E-Commerce

Dedicated solutions based on React or well-proven Woocommerce. I will be happy to integrate them with the APIs of external websites such as Ebay, Allegro, Xero, Stripe, Paypal and countless others.

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Mobile Applications

A hybrid applications created with help of Ionic tools, based on React, using potential of mobile possibilities.

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Web Applications

CRM/ERP systems, social networking sites/booking websites and many others

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Websites

Modern product pages, landing pages, blogs and other projects for every budget.

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React
Redux
TypeScript
Gatsby
Redux Saga
Firebase
GraphQL
Progressive Web App
Gsap
Styled Components
REST API
jQuery
ESLint
Jest
Babel
NPM
Webpack
Next JS
Capacitor.js
Node.js
Prettier
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HTML 5