Jan Witkowski

Experienced frontend developer with a passion for coding. Highly skilled in React and Typescript. Have a robust background in software design and development, mostly in web and mobile applications. Proficient in maintaining high-quality and efficient code across projects.

Graduated from IT studies, specializing in Networks and Operating Systems, at thePolish-Japanese Academy of Technologyin Warsaw, Poland, with a graduation project in mobile development.

Work

Dec 2020 - Present
Software Developer and Team Leadtetranet
  • Led frontend team estimating features and assessing code quality
  • Coordinated work across frontend (React) and backend teams
  • Maintained Gitlab CI/CD pipelines for frontend
  • Improved and maintained integration data model (Typescript, JSON Schema) used across frontend, backend and mobile.
  • Designed and implemented a visual data presentation module
Jul 2020 - Dec 2020
Software Developer and Team Leadtetranet
  • Led the frontend team in developing a new version of the React application
  • Designed and implemented data models Typescript for the new version of the system
  • Set up Gitlab CI/CD pipelines for frontend application
  • Designed and implemented Samsung Tizen TV platform client in React, maintained other web clients.
  • Developed up to date React build system and Jenkins builds
Sep 2019 - Jul 2020
Fullstack Developer (PHP/Symfony + React/HTML/CSS)poogi
  • Incorporated RTSP/UDP/HTTP video streaming capabilities with native implementations on client devices
  • Integrated PowerBI for advanced data visualization and Easy Redmine for streamlined issue tracking
  • Restored system functionality following a production server failure due to a fire incident
  • Maintained React frontend application
  • Implemented new API features in Symfony backend.
Jul 2019 - Sep 2019
Software Developerpoogi
  • Developed a React client for LG WebOS platform.
  • Developed a custom message queueing system in Java
  • Designed and implemented a React application for monitoring temperature changes of remote devices
  • Developed a Nodejs REST API for the system
Dec 2018 - Oct 2019
Frontend developerSKN Konsultingu IT
  • Developed several websites in React.
  • Maintained and improved existing React websites.
  • Migrated several multi-page websites to single-page applications.
Oct 2018 - Feb 2022
StudentPolish-Japanese Academy of Information Technology
  • Developed a mobile application for the diploma thesis in Android and Linux.
  • Integrated low-level VNC communication in the mobile
  • Developed a Linux backend in Python
  • Undertook a comprehensive study program in Computer Science, object oriented programming, databases, operating systems, networks, and web technologies.

Education

Oct 2018 - Feb 2022
Bachelor of Information Technology"Networks and Operating Systems" (studied in English)Polish-Japanese Academy of Information Technology
Sep 2015 - Jun 2018
Graduate, Information TechnologyX liceum ogólnokształcące im. Królowej Jadwigi w Warszawie