Andrej

Full-Stack Software Engineer in Prague, Czech Republic

Andrej is a freelance full-stack developer with over six years of experience delivering software. He has worked for clients all around the world in many different industries. Andrej has delivered solutions for startups, digital agencies and big companies, such as Apple. He has a background in computer science and is able to create everything from small business websites to custom web applications.

Currently, Andrej is focused on developing websites and web applications in React.js, Node.js and Gatsby. He built Apple Wellness Center, an interactive podcast platform, Bitcast and many other web applications and websites. Andrej also enjoys blogging in his spare time.

Hire Me
Amazon S3
Apollo Server
Backbone
Docker
Gatsby
GraphQL
Heroku
JavaScript
JQuery
NodeJS
Postgres
React
React Native
Ruby On Rails

Employment

React Developer
Nash ⦁ 2018 - 2019

  • Built company's fully responsive, blazing fast static website
  • Built customizable UI components used across multiple projects
  • Built functional prototype of funds management and payments system in exchange platform
  • Technologies: Javascript, React, Gatsby, styled-components, Typescript

React Developer
Glofox ⦁ 2018

  • Helped deliver a React Native project used for managing fitness studios
  • Fixed various bugs and issues in the project
  • Optimized the project for the Android platform.
  • Technologies: React Native, Redux

React Developer
FastSwims ⦁ 2018

  • Designed and built a functional prototype of event management platform for managing swimming teams and swimming competitions
  • Designed a new user interface based on the customer’s prototypes
  • Built a functional prototype from scratch as a single-page application
  • Technologies: JavaScript, React, Redux-Saga

Principal Software Engineer
SayCaster (rebranded to Bitcast) ⦁ 2017 - 2018

  • Designed and built an interactive podcast platform. Podcasters can upload audio files and add "spots" to specific moments in their podcasts, which can be 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
  • Built a single-page app from scratch with a complex user interface, including user interactions and animations
  • Designed and developed a RESTful API server
  • Technologies: Heroku, Amazon S3, PostgreSQL, JavaScript, Node.js, Koa, Objection.js, Knex.js, React.js, Redux, D3.js, SVG, Webpack, Babel, Twitter API, InVision

Pre-sales Engineer
ZeroTurnaround ⦁ 2016 - 2017

  • Presented and demonstrated products to potential customers from all over the world
  • Demonstrated product features to developer teams and showed how to use them in the development process with a specific workflow, environment, and toolset
  • Helped sales associates close deals by presenting our products in specific use-cases
  • Trained sales associates in how to effectively present and sell our tools to developer teams and managers
  • Assisted customers with installation, troubleshooting, and other customer service for configuration issues

Software Engineer
Ataccama ⦁ 2015

  • Implemented new features and fixed bugs in enterprise applications used for data quality management, rewrote UI components to modern technologies
  • Designed and implemented the front-end of interactive application for customer data management
  • Designed and implemented server-to-sever communication and server push in GWT application
  • Technologies: Java, JavaScript, ES6, React.js, Flux, Immutable.js, Backbone, jQuery, Bootstrap, SCSS, Webpack, Gulp, Babel, D3.js, JSP, JSTL, JMS, ActiveMQ and Errai

Data Visualization Developer
Taranzo, Techniserv ⦁ 2013 - 2015

  • Analyzed, designed and implemented solutions for gathering and processing structured and unstructured data from social networks and various other sources
  • Designed and implemented a module for building and visualization of social network used by security forces to detect criminal activity
  • Technologies: Java, JavaScript, Liferay, Spring MVC, Maven, JSP, JSTL, jQuery, Bootstrap, D3.js, Jung, OrientDB, YouTube and Twitter API’s

Software Tester
Amberg Engineering ⦁ 2012 - 2013

  • Responsible for execution and result analysis of both manual and automated tests
  • Developed and maintained whole test infrastructure with automated tests
  • Designed test cases, wrote documentation, and reported issues
  • Technologies: JavaScript, Python, Ruby languages and Squish tool

Portfolio

Nash
Javascript, React, Gatsby, styled-components, Typescript

FastSwims
JavaScript, React, Redux-Saga

SayCaster
Heroku, Amazon S3, PostgreSQL, JavaScript, Node.js, Koa, Objection.js, Knex.js, React.js, Redux, D3.js, SVG, Webpack, Babel, Twitter API, InVision

Ataccama
Java, JavaScript, ES6, React.js, Flux, Immutable.js, Backbone, jQuery, Bootstrap, SCSS, Webpack, Gulp, Babel, D3.js, JSP, JSTL, JMS, ActiveMQ and Errai

Taranzo, Techniserv
Java, JavaScript, Liferay, Spring MVC, Maven, JSP, JSTL, jQuery, Bootstrap, D3.js, Jung, OrientDB, YouTube and Twitter API’s

Amberg Engineering
JavaScript, Python, Ruby languages and Squish tool

Education

Masters of Service Science, Management and Engineering
Masaryk University, Brno, Czechia

Masters of Innovation and Research in Informatics
Barcelona School of Informatics, Polytechnic University of Catalonia, Barcelona, Spain

Bachelor’s degree in Applied Informatics
Masaryk University, Brno, Czechia

Languages

English, Czech, Slovak

Andrej

Full-Stack Software Engineer in Prague, Czech Republic

Hire Me