Sergej Chak
Senior Full Stack Developer at TimeTac- Claim this Profile
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Russian Native or bilingual proficiency
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English Full professional proficiency
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German Limited working proficiency
Topline Score
Bio
Credentials
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Clean Code
UdemyJan, 2022- Sep, 2024 -
JAMStack: The Complete Guide
UdemyApr, 2021- Sep, 2024 -
Getting started with WebAssembly & Emscripten
UdemyMar, 2021- Sep, 2024 -
Progressive Web Apps: The Concise PWA Masterclass
UdemyJan, 2021- Sep, 2024 -
Master Electron: Desktop Apps with HTML, JavaScript & CSS
UdemyDec, 2020- Sep, 2024 -
RxJs 6 In Practice
UdemyDec, 2020- Sep, 2024 -
Serverless JavaScript by Example
UdemyDec, 2020- Sep, 2024
Experience
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TimeTac
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Austria
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Software Development
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1 - 100 Employee
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Senior Full Stack Developer
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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
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Team Lead / Frontend Developer
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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
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Frontend Developer
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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
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EVOCODE
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Czechia
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Software Development
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1 - 100 Employee
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Full-Stack WordPress & JavaScript Developer
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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)
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Semilton IT Solutions UG
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Germany
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Technology, Information and Internet
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Founder & Full Stack Web developer
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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
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LATEO Berater GmbH
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Austria
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Business Consulting and Services
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1 - 100 Employee
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Consultant in Website & Frontent Development
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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.
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Andersen Lab
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Poland
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IT Services and IT Consulting
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700 & Above Employee
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Full stack WordPress Developer
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Sep 2017 - Feb 2018
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Foreign Affairs Officer
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Sep 2013 - Oct 2014
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Agrostep Ltd.
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Ukraine
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Transportation/Trucking/Railroad
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1 - 100 Employee
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Transport Engineer
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Jun 2012 - Aug 2013
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Transport Engineer
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Aug 2011 - May 2012
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Education
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Belarusian National Technical University
Master's degree, Automotive Engineering & Transport -
IT Academy
PHP development & Java development