Piotr Siwek

Front-end Developer

Lublin, Lubelskie, Poland

About

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Experience

  • Senior Front-end Developer at Grupa Pracuj
    May 2024 - Present · 2 yrs 3 mos

  • Front-end Developer at o4b
    Sep 2023 - May 2024 · 9 mos

    Worked on an informational platform connected with a custom CMS. It consists of the following elements: - NextJS application presenting data. - GraphQL application serving as the backend for the NextJS application. - Node application for REST functionality.

  • Software Developer at Code & Pepper
    Dec 2021 - Aug 2023 · 1 yr 9 mos

    Worked on 3 projects: - Insurance calculator. Used technologies - React, TypeScript, GraphQL, AWS, React Hook Form, MUI. - Informational application for investors. Used technologies - NextJS, TypeScript, SQL, Recharts, React Hook Form, RadixUI. - Customizable application for investors with a high level of customization. The client chose shapes and colors for their application.

  • Front-end developer at o4b
    Nov 2019 - Dec 2021 · 2 yrs 2 mos

    Worked on 3 projects: - Developed a product using micro-frontend architecture. Applications were built using the React library and Single-SPA. - Led a team of 3 members in building tax calculators using the React library. The applications were embedded in Liferay. My responsibilities included team workflow planning, implementation of functionalities, communication with backend, and UX. - Maintained internal applications and implemented new features in insurance calculator applications. The applications were developed using the Angular framework.

  • Junior Front-end developer at Betacom S.A.
    Jan 2018 - Oct 2019 · 1 yr 10 mos

    Worked on an e-learning application written in Angular. My main responsibilities included implementing the logic for newly developed features and fixing existing bugs.