Master Your Projects with Expert Engineering
Enhance your products with senior‑level full‑stack JavaScript expertise. I build scalable architectures, seamless integrations, and modern web solutions using TypeScript, Node.js, Next.js, and leading front‑end frameworks.
Innovative JavaScript Engineering in Silesia
Discover top‑tier full‑stack JavaScript solutions built with cutting‑edge technologies. I create scalable, maintainable applications tailored to your business needs — with a strong focus on modern TypeScript‑based architectures, cloud platforms, and efficient development workflows.
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
Designed and delivered full‑stack solutions using TypeScript, Node.js, modern frontend frameworks, and cloud‑native tooling.
Built and maintained backend services and APIs, focusing on integrations, domain logic, and scalable system architecture.
Worked in Azure‑based environments, contributing to AI‑enabled platforms and integrating services with cognitive and data systems.
Collaborated with Product, Design, QA, and Data teams to translate business requirements into reliable, production‑ready features.
Participated in architectural decision‑making, balancing rapid delivery with long‑term maintainability.
Mentored engineers, conducted code reviews, and contributed to shared tooling and engineering standards.
- 05/2022 - 07/2025Software EngineerCapgemini SE
Delivered full‑stack applications using React, TypeScript, Node.js, and cloud‑native infrastructure.
Developed and maintained backend services and REST APIs, integrating with external systems and databases.
Improved performance, code quality, and consistency across frontend and backend layers.
Worked with distributed teams across time zones, ensuring smooth delivery and clear communication.
Built automated testing workflows (Jest, Cypress) to increase reliability and reduce regressions.
Collaborated directly with clients to refine requirements and iterate quickly based on feedback.
- 12/2020 - 05/2022JavaScript DeveloperING Bank Śląski S.A.
Maintained and improved a high‑traffic banking platform used by thousands of daily users.
Developed backend logic and REST APIs with a strong focus on reliability, performance, and security.
Collaborated with backend, QA, and business teams to deliver end‑to‑end features in a regulated environment.
Supported production systems with high availability requirements, resolving incidents and performance issues.
- 07/2018 - 12/2020Junior Full‑Stack DeveloperInstal‑Konsorcjum Sp. z o.o.
Developed backend services and APIs using Node.js, PHP, and relational databases.
Built internal systems and dashboards, reducing operational overhead by approximately 40%.
Modernised legacy systems, improving performance and maintainability.
Maintained internal applications across multiple technologies and business domains.
Empowering Digital Solutions
Based in Katowice, I develop high‑quality full‑stack JavaScript systems that combine modern engineering practices with a passion for solving complex challenges. My work focuses on performance, scalability, and exceptional user experience — helping businesses worldwide deliver reliable and future‑ready software.
Comprehensive JavaScript FAQs
I specialize in TypeScript‑based architectures, Node.js, Next.js, and modern front‑end frameworks.
Yes — I collaborate effectively with teams worldwide and have extensive experience working remotely.
Absolutely. I manage the full lifecycle — from planning and architecture to development, deployment, and long‑term maintenance.
I follow agile methodologies, ensuring transparency, adaptability, and efficient delivery.
Elevate Your Web Experience
Showcasing a refined full‑stack JavaScript portfolio built on a strong TypeScript foundation — crafted in the heart of Katowice.
Explore Portfolio