Sergej Chak

Senior Full Stack Developer at TimeTac
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Contact Information
Location
Styria, Austria, AT
Languages
  • Russian Native or bilingual proficiency
  • English Full professional proficiency
  • German Limited working proficiency

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Bio

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Credentials

  • Clean Code
    Udemy
    Jan, 2022
    - Sep, 2024
  • JAMStack: The Complete Guide
    Udemy
    Apr, 2021
    - Sep, 2024
  • Getting started with WebAssembly & Emscripten
    Udemy
    Mar, 2021
    - Sep, 2024
  • Progressive Web Apps: The Concise PWA Masterclass
    Udemy
    Jan, 2021
    - Sep, 2024
  • Master Electron: Desktop Apps with HTML, JavaScript & CSS
    Udemy
    Dec, 2020
    - Sep, 2024
  • RxJs 6 In Practice
    Udemy
    Dec, 2020
    - Sep, 2024
  • Serverless JavaScript by Example
    Udemy
    Dec, 2020
    - Sep, 2024

Experience

    • Austria
    • Software Development
    • 1 - 100 Employee
    • Senior Full Stack Developer
      • Oct 2022 - Present

      Responsibilities mentioned before (software development)- with less focus on people related aspect but with more focus on technical expertise of newly developed products- mentoring and adaptation of new employees

    • Team Lead / Frontend Developer
      • Jun 2021 - Sep 2022

      Responsibilities mentioned before (software development) +- leading of group of software developers (5+ members)- insuring by process organisation that team delivers required software- defining team members professional goals and assisting in achieving them- helping to HR department in hiring of new employees- mentoring and adaptation of new employees

    • Frontend Developer
      • Oct 2018 - Jun 2021

      Working with React, React Native + Expo, NextJs, Redux, RxJs, Apollo Client, Electron, NodeJs, ExtJs with the help of TypeScript and JavaScript. Familiar with REST APIs & GraphQL- development of required new featured for web application- writing of unit tests & integration tests- bug fixing- modification of backend (PHP, MySQL) if required features needed it- active participation in team Scrum meetings- close work with other teams and departments if it is required for features implementation- presentation of work on regular company meetings - knowledge-sharing with new company colleagues & new team members Show less

    • Czechia
    • Software Development
    • 1 - 100 Employee
    • Full-Stack WordPress & JavaScript Developer
      • Dec 2017 - Dec 2022

      Full cycle of web development: - websites & websites integrations (Wordpress & Wordpress Rest API) - web apps (React, NextJs) Full cycle of web development: - websites & websites integrations (Wordpress & Wordpress Rest API) - web apps (React, NextJs)

    • Germany
    • Technology, Information and Internet
    • Founder & Full Stack Web developer
      • Oct 2014 - Jun 2020

      Web application development with the help of Symfony, React, Docker, GitLab CI/CD. WordPress Development Web application development with the help of Symfony, React, Docker, GitLab CI/CD. WordPress Development

    • Austria
    • Business Consulting and Services
    • 1 - 100 Employee
    • Consultant in Website & Frontent Development
      • Oct 2018 - Mar 2019

      Helping Lateo clients in sphere of website & frontend development. Audit of existing web applications & websites, improvement of existing applications & websites, helping in frontend development (based on modern Js Framworks) & website development based of WordPress. Helping Lateo clients in sphere of website & frontend development. Audit of existing web applications & websites, improvement of existing applications & websites, helping in frontend development (based on modern Js Framworks) & website development based of WordPress.

    • Poland
    • IT Services and IT Consulting
    • 700 & Above Employee
    • Full stack WordPress Developer
      • Sep 2017 - Feb 2018
    • Foreign Affairs Officer
      • Sep 2013 - Oct 2014
    • Ukraine
    • Transportation/Trucking/Railroad
    • 1 - 100 Employee
    • Transport Engineer
      • Jun 2012 - Aug 2013
    • Transport Engineer
      • Aug 2011 - May 2012

Education

  • Belarusian National Technical University
    Master's degree, Automotive Engineering & Transport
    2006 - 2012
  • IT Academy
    PHP development & Java development
    2013 - 2014

Community

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