Master Your Projects with Expert Code
Elevate your projects with expert full-stack JavaScript solutions in Katowice. Unlock seamless integration and cutting-edge innovation.
Innovative JavaScript Engineering Silesia
Explore top-tier full-stack JavaScript solutions with our expert services in Katowice. Specializing in cutting-edge technologies, we deliver seamless, scalable web applications tailored to your unique business needs. Partner with a trusted engineer dedicated to driving innovation and efficiency in the Silesian Voivodeship and beyond.
Innovative Web Development in Silesia
Custom Web Application Development
Expertly crafted, dynamic web solutions tailored to your business needs and user experiences.
Responsive Frontend Design
Create stunning, responsive interfaces that adapt seamlessly across all devices and platforms.
Backend API Integration
Streamline your operations with robust, scalable APIs for efficient data management and connectivity.
Full-stack JavaScript Consultation
Leverage expert guidance on JavaScript development to optimize your tech stack and strategy.
My work timeline
- 07/2025 - PresentSenior Software EngineerCapgemini SE
Contributed to an AI‑powered search platform using Azure AI Search and Cognitive Services, improving relevance and user experience.
Built modern, responsive interfaces using TypeScript and component‑based frontend architectures, with a strong focus on UX clarity and performance.
Decreased UI-related defects by ~20% through improved component architecture and testing standards.
Collaborated with designers to prototype new interaction patterns and refine visual consistency across the product.
Mentored engineers and improved frontend architecture, reducing duplication and accelerating delivery.
Established testing and accessibility standards across the team.
- 05/2022 - 07/2025Software EngineerCapgemini SE
Collaborated with distributed teams across multiple time zones, ensuring smooth delivery and alignment.
Delivered scalable frontend solutions using React, TypeScript, Node, and cloud‑native tooling.
Worked directly with clients to define requirements and iterate quickly based on feedback.
Built automated testing frameworks (Jest, Cypress) to ensure reliability and reduce regressions.
Facilitated knowledge‑sharing sessions and improved engineering quality across the team.
Enhanced UI performance and consistency across multiple applications by improving component architecture and reducing redundant logic.
- 12/2020 - 05/2022JavaScript DeveloperING Bank Śląski S.A.
Maintained and optimised a large‑scale banking system used by thousands of customers.
Developed reusable UI components in JavaScript, improving maintainability and reducing UI defects.
Created mock data and testing utilities to support QA automation.
Proposed architectural improvements to enhance performance and stability.
Supported a system serving thousands of daily users, ensuring stability and smooth performance.
- 07/2018 - 12/2020Junior Full‑Stack Developer Instal‑Konsorcjum Sp. z o.o.
Built a client ticket dashboard, reducing support call volume by 40%.
Developed responsive websites using JavaScript, Vue, PHP, MySQL, Node, and C# .NET Core.
Modernised legacy systems, achieving measurable performance gains (18%+ faster load times).
Maintained internal applications across multiple technologies.
Empowering Digital Solutions
Located in the heart of Katowice, Software Engineering showcases a diverse portfolio of full-stack JavaScript projects that highlight innovation and expertise. Specializing in building seamless user experiences, our work combines cutting-edge technology with a passion for solving complex problems. We are committed to delivering high-quality software solutions that drive success for businesses around the world.
Comprehensive JavaScript FAQs
I specialize in React for front-end development and Node.js with Express for back-end development.
Yes, I am available for remote work and can effectively collaborate with clients worldwide from my base in Katowice.
Yes, I manage the full development lifecycle from initial planning and design to deployment and maintenance.
I follow agile methodologies to ensure flexibility, transparency, and efficient delivery throughout the project lifecycle.
Elevate Your Web Experience
Showcasing a robust full-stack JavaScript portfolio built on a TypeScript foundation, right from the heart of Katowice.
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