m
mythosbeats

Radek Kowalczyk

@mythosbeats
5,0(13)

Frontend Developer

Pologne
Anglais, Polonais
Certaines informations sont présentées en anglais.
À propos de moi
I am a Mobile Developer with experience in building and maintaining Android and cross-platform applications. My core stack includes: • React Native • Native Android (Java, XML) • Databases and backend communication I focus on production-ready solutions — not templates or quick hacks. I help businesses: • Fix and maintain existing mobile apps • Improve performance and stability • Integrate APIs and backend systems • Refactor legacy Android projects • Build scalable MVPs for real users If you’re looking for someone who treats your app like a real product — let’s talk.... Plus d’infos

Compétences

m
mythosbeats
Radek Kowalczyk
hors ligne • 

Portfolio

Expérience professionnelle

Fullstack Developer

Visiblify Fabrique • Temps partiel

Jul 2025 - Present • 10 mos

Experienced with React, React Native, native Android (Java), and backend integrations. I build and maintain production-ready applications with clean architecture, scalable APIs, and reliable database design. From frontend UI to backend logic and deployment — I handle the full development cycle with a focus on performance, stability, and long-term maintainability.

IT Specialist / Web Developer

IT Specialist / Web Developer • Temps plein

May 2024 - Dec 2024 • 7 mos

Creation and management of the company website and B2B system, implementation of UX/UI improvements, and ongoing SEO optimization and responsiveness maintenance. Handling Helpdesk tickets and providing IT support to internal users across all technical areas. Administration and maintenance of network infrastructure and IT hardware.

BackOffice Support / Frontend Support

WeWorkOffice • Temps plein

Nov 2022 - Mar 2024 • 1 yr 4 mos

Redesign of the company website, content implementation, performance optimization, and layout updates aligned with brand guidelines. Email and phone communication with domestic and international business partners. Preparation of commercial offers and business proposals.

Avis des clients

  • G
    image-docs

    grayostudios

    IN

    Inde

    5

    Great Client

    Utile?
    Oui
    Non
  • S
    image-docs

    subhan_mughal1

    PK

    Pakistan

    5

    Thanku so much

    Utile?
    Oui
    Non
  • G
    image-docs

    grayostudios

    IN

    Inde

    5

    Great Client

    Utile?
    Oui
    Non
  • G
    image-docs

    groovehubagency

    NL

    Pays-Bas

    5

    Good buyer!

    Utile?
    Oui
    Non
  • G
    image-docs

    groovehubagency

    NL

    Pays-Bas

    5

    Great to work with

    Utile?
    Oui
    Non