A

Adam Balcerzyk

About

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Poland

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work
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Résumé

Jobs verified_user 0% verified
  • S
    Senior Software Engineer
    SmartCat.io
    Aug 2022 - Jan 2025 (2 years 6 months)
    • Collaborated with product managers to transform a multi-page web app into a single-page application (SPA) using Angular, React, NgRx, and Redux, resulting in a 30% increase in user engagement and boosting yearly revenue by 15%.
    • Designed and developed secure, scalable RESTful APIs, integrating with backend systems to enable seamless data flow, resulting in a 15% increase in application reliability.
    • Built responsive, WCAG-compliant interfaces using Angular, HTML5, and CSS3, ensuring cross-browser compatibility and achieving a 20% increase in accessibility compliance scores.
    • Developed backend services using .NET Core/ASP.NET Core, con
  • Symfa
    Full Stack Developer
    Symfa
    Mar 2020 - Jul 2022 (2 years 5 months)
    • Designed and built RESTful APIs to serve data dynamically to the JavaScript frontend, handling 10,000+ concurrent users and ensuring 99.9% uptime for critical user operations. • Developed a client-side rendering (CSR) app using Angular, NgRx, Angular Router, and HTTPClient, improving page load performance by 40% and achieving a 20% increase in user retention. Integrated with a .NET Core backend, optimizing API communication and reducing response times. • Utilized .NET Core and ASP.NET Core to create robust and efficient backend services, seamlessly integrating with PostgreSQL and MongoDB, reducing data query latency by 35% and ensuring smooth data m
  • EffectiveSoft
    Senior Frontend Developer
    EffectiveSoft
    Jan 2019 - Feb 2020 (1 year 2 months)
    • Engineered scalable micro frontend web applications using Angular, TypeScript, NgRx, and RxJS, delivering a 20% improvement in user experience and streamlining component-level state management. Integrated seamlessly with a Node.js backend, ensuring efficient data flow and optimized performance. • Collaborated with designers to establish a consistent and polished look across the application, creating and documenting a shared component library in Storybook, reducing design inconsistencies by 30% and accelerating feature development. • Built responsive, fully functional UIs and reusable components using Angular Material, achieving cross-browser compatibility and enhancing accessibility for diverse user bases. Integrated with a .NET Core/<
  • BlueSoft
    Full Stack Developer
    BlueSoft
    Apr 2016 - Dec 2018 (2 years 9 months)
    • Delivered high-quality websites and a scalable SaaS platform utilizing Angular, React, .NET Core, ASP.NET Core, MongoDB, AWS DynamoDB, and GraphQL, supporting millions of concurrent users and ensuring robust performance. • Leveraged .NET Core and ASP.NET Core to develop backend services, achieving 30% faster response times and improving overall application reliability. • Implemented responsive, accessible designs and cross-browser compatibility, increasing user engagement by 15% across devices and platforms. • Integrated third-party APIs for critical features, i
  • B
    Frontend Developer
    Bigglo
    Jul 2014 - Mar 2016 (1 year 9 months)
    • Designed, developed, and tested responsive websites using HTML5, CSS3, Bootstrap, jQuery, React, and Angular, ensuring 100% accessibility compliance and cross-browser compatibility, enhancing user satisfaction and usability. • Created reusable Angular components for an e-commerce platform, including product cards, carousels, and checkout forms, which reduced development time by 35% for new features and streamlined future updates. • Optimized the front-end performance by implementing code splitting, lazy loading, and efficient caching strategies, resulting in a 40% decrease in page load times and a noticeable improvement in overall user experience. • Utilized front-end testing frameworks such as Jest, Cypress, Jasmine, and Karma to aut
  • B
    Frontend Developer Intern
    Bigglo
    Oct 2013 - Jul 2014 (10 months)
    • Deployed the website on GitHub Pages, overseeing the entire deployment process, including DNS management and custom domain configuration, ensuring smooth hosting and high availability. • Developed and maintained the Computer Science department's responsive website using HTML, CSS, and Bootstrap, enhancing user experience and ensuring it was mobile-friendly. • Collaborated with faculty members to ensure the website content was accessible, optimized for performance, and met WCAG accessibility guidelines. • Utilized cross-browser compatibility techniques, resolving design inconsistencies and improving the overall user experience across major browsers, which increased user satisfaction. • Deployed the website on GitHub Pages, handling DN
Education verified_user 0% verified
  • Wrocław University of Science and Technology
    Bachelor's Degree in Information
    Wrocław University of Science and Technology
    Jan 2010 - Jan 2013 (3 years 1 month)