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Work Background
Frontend Developer
SAPFrontend Developer
Feb. 2020Warsaw, Mazowieckie, Poland• Has planned migration for several legacy micro frontends, some of them are already migrated • Collaborated with others teams and implemented theming supports for several micro frontends • Has took part in migration 90% of codebase from AngularJs to Angular • Has managed to update angular form 6 version to 16 with all required dependencies • Planned and developed the replacement of legacy part of main functionality that is used across multiple micro frontends using Angular, RxJs, NgRx and Node.js • Has found and fixed more than 10MB memory leaks in the application
Lead Frontend Developer
LeverXLead Frontend Developer
Jan. 2020Warsaw, Mazowieckie, Poland• Led a development team of 6. The team successfully delivered 3 major releases, each required at least 4 months of development and was completed on time, using Angular, RxJs, NgRx, NX • Has played a key role in improving the team processes from hiring to building development plans and assessments. These processes are still used in the company and based on the frontend developers skills matrix, that defines needed technical/soft skills for specific positions • Conducted interviews, as a result, 3 developers were hired in the team, who have been working at the company for over a year • I had the opportunity to mentor 5 colleagues, facilitating their professional growth and preparing them to contribute to ongoing projects. • Took part in different education activities, helped with organization and conducting courses
Frontend Developer
Wellnuts Creative GroupFrontend Developer
Dec. 2018 - Jan. 2020• Developed and maintained a telemetric system that supported more than 10.000 real-time assets using React, Redux and GraphQL. • Initiated and led the developing UI library that started to be used across the whole ecosystem • Reduced bundle size for 30% by revision and refactoring project dependencies • Implemented white label solution for main customer applications that speeds up development 5 times
Frontend Developer
VRK GroupFrontend Developer
Mar. 2018 - Dec. 2018• Developed MVP Ionic application in narrow timeline that has received fundings

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Expert in Angular & React Apps
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