- Placeholder©Lead DeveloperApril 2023 - Today (2 years and 1 month)Lodz, Poland
- Designed and implemented scalable frontend architectures using React 19 and TypeScript
- Developed high-performance UI components, optimizing load speed and accessibility
- Engineered state management solutions using Zustand
- Led Next.js optimizations, implementing SSR, ISR, and efficient hydration strategies
- Refactored legacy React codebases, aligning with modern best practices and improving maintainability
- Defined coding standards with ESLint, Prettier, and TypeScript configurations
- Mentored teams in advanced React patterns, performance tuning, accessibility and best practices.
- LaudoSenior Ful lstackARTS & CRAFTSMarch 2020 - January 2023 (2 years and 10 months)Berlin, Germany
- Development of high-traffic web applications using React & Next.js, achieving up to 40% improvement in load times
- Implemented server-side rendering and code-splitting techniques, reducing Time to First Byte (TTFB) to under 200ms
- Designed and built scalable RESTful APIs, optimizing data fetching strategies and reducing redundant network calls
- Collaborated with cross-functional teams to deploy scalable architectures, enhancing user engagement metrics by 25%
- Established performance monitoring protocols, leading to a 15% reduction in bounce rates
- ntroduced automated testing strategies, improving software reliability and ensuring high-quality releases.
- Vistex Inc.Senior UI DeveloperMarch 2019 - February 2020 (11 months)Lodz, Poland
- Led frontend development for SAP-integrated applications, ensuring interoperability between the UI and backend services
- Enhanced UI performance, reducing render times by 35% through optimized component rendering and resource management
- Designed and maintained a unified design system, accelerating UI development, improving consistency, and reducing maintenance efforts
- Led WCAG compliance efforts, making applications more accessible and user-friendly for diverse audiences.
- Technical University of Lodz2015