Untitled-Projects

Projects

Check my portfolio. I work as a freelance developer for companies all over the world to build web applications, marketing websites, data visualizations, and various tools. I use React, Next.js, Node.js and related technologies to implement seamless and performant user interfaces.

React Project | Developer Portfolio Item
Apple ***

Web portal in React.js, which allows Apple ***

DEVELOPMENT TOOLS
  • React
  • Framer Motion
Website builder platform in React | Portfolio Item
Stackbit

Stackbit is a website builder that helps developers of any level to build their own Jamstack sites based on Next.js and Tailwind, fast. I helped Stackbit’s team to set up the tooling and design the architecture for design system of the main platform. I helped and mentored senior React developers best practices and what patterns to use to solve complex flows in React projects. I was working on fixing various issues and bugs in the platform. I was working on additional feature sets for enterprise clients.

DEVELOPMENT TOOLS
  • React
  • Node.js
  • MongoDB
View project →
Cryptocurrency Exchange | Developer Portfolio Item
Cryptocurrency Exchange Platform

Cryptocurrency exchange platform developed in React. I implemented user interface of portfolio management and payment systems.

DEVELOPMENT TOOLS
  • React
  • Typescript
View project →
Computational Tool | Developer Portfolio Item
System Master PLanner

A computational tool for master planners, energy/resource managers, and policy makers. It allows users to evaluate sustainability and resiliency scenarios for large portfolios of buildings and other assets.

DEVELOPMENT TOOLS
  • React
  • Leaflet
Corporate Website | Portfolio Item
Nash

Marketing website built with React & Gatsby. All pages are fully responsive and optimised for mobile viewing.

DEVELOPMENT TOOLS
  • React
  • Gatsby
  • Typescript
View project →
Marketing website nextjs | Portfolio Item
Ship***

A Corporate marketing website in Next.js. All pages are fully responsive and SEO optimised. I designed website’s CMS in Contentful and GraphQL is used for fetching and transforming data.

DEVELOPMENT TOOLS
  • Next.js
  • Contentful
  • GraphQL
  • Mapbox
Security Tokens Offering Platform | Developer Portfolio Item
Security Tokens Offering Platform

A secure, customer-centric, decentralized online securities exchange marketplace that allows investors at all levels to buy and sell digital securities. The customer is leading cryptocurrency exchange. I worked as a Senior Front-End Engineer. I operated as an architect for front-end implementation and made reviews, audits the code other front end developers.

DEVELOPMENT TOOLS
  • React
  • Typescript
React Widget | Developer Portfolio Item
Marketing tool

A price calculator and visualization of real estates which is used as a marketing tool. I developed this widget in React.js.

DEVELOPMENT TOOLS
  • React
Podcast Platform | Developer Portfolio Item
Saycaster

A podcast platform where podcasters can upload audio files and add ‘spots’ to specific moments in their podcasts. Podcasters can add anything from links, to social media posts, to other videos or images. Listeners are engaged with content, such as social media posts or preview of external web pages.

DEVELOPMENT TOOLS
  • Node.js
  • PostgreSQL
  • React
  • D3.js
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tauchain blockchain | portfolio item
Tau

I built a Node.js back-end service for Gatsby website. It processes data from third-party APIs (third-party exchanges, Github API, Twitter API, Telegram API). The server is deployed on AWS.

DEVELOPMENT TOOLS
  • Node.js
  • AWS
Wordpress Website | Developer Portfolio Item
Andrej Gajdos

My website & freelance software development blog. Built with WordPress & JavaScript.

DEVELOPMENT TOOLS
  • WordPress
  • JavaScript
Marketing WordPress Website | Developer Portfolio Item
Marketing WordPress Website

WordPress website for online marketing specialist Ivana Neckarova. Built with WordPress & JavaScript.

DEVELOPMENT TOOLS
  • WordPress
  • JavaScript
View project →
React Prototype | Developer Portfolio Item
FastSwims

Event management platform for managing swimming teams and swimming competitions. I designed a new user interface based on customer’s prototypes and built a functional prototype.

DEVELOPMENT TOOLS
  • JavaScript
  • React
  • Redux
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Data Management | Developer Portfolio Item
Data Management Platform

I was working on Data Quality Management product as a visualization developer. User interface was developed in Javascript and visualisations were developed in Highcharts.

DEVELOPMENT TOOLS
  • Javascript
  • Highcharts
View project →
ecommerce tool in React | portfolio item
Potentials

I build the user interface for this e-commerce tool in React. It helps the CEO to maintain and process details about potential customers. I built the user interface using React.js and Tailwind.

DEVELOPMENT TOOLS
  • React
  • Tailwind
ecommerce store in next.js | portfolio item
Filipi

Filipi is furniture e-commerce store built with Next.js, Node.js and MySQL. I helped the owner to migrate the whole solution to another server and fix varius issues and bugs in SEO, managing data and set up analytics tools.

DEVELOPMENT TOOLS
  • Next.js
  • Node.js
  • MySQL
graph visualization in React -- portfolio item
Vertigo

I worked as a data visualization specialist to build an interactive visualization of a Neo4j graph database. I developed this visualization in React.js and D3.js.

DEVELOPMENT TOOLS
  • React
  • D3.js
  • Storybook