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ja-klaudiusz/README.md

Klaudiusz — Full-stack Software Engineer

React • Node.js • GCP
Building scalable, high-quality software with clean architecture and long-term maintainability in mind.


📫 Contact

LinkedIn Email

I’m open to meaningful collaboration on innovative, technically engaging projects — especially where quality, performance, and thoughtful engineering make a difference.


🧭 Professional Snapshot

Full-stack engineer with experience in FinTech, E-commerce, and Manufacturing.
I build and maintain scalable applications using React, Node.js, and GCP, always balancing performance, clarity, and maintainability.
My work revolves around clean architecture, testing discipline, and an ongoing pursuit of technical excellence through iteration and mentorship.

I enjoy bridging the gap between front-end and back-end teams, ensuring that design, logic, and infrastructure fit together naturally — without unnecessary complexity.


⚙️ Tech Stack

React Next.js Node.js TypeScript Jest Storybook Docker GCP Azure


🔦 Spotlight

I take pride in delivering software that lasts — both in reliability and in value.
Over the past few years, I’ve focused on:

  • Designing and developing React-based front-end applications used in enterprise environments
  • Maintaining and improving existing systems for stability, scalability, and developer efficiency
  • Introducing testing practices and refining codebases for long-term maintainability
  • Supporting and mentoring less experienced developers, helping teams grow their technical confidence

Each project has strengthened my belief that solid engineering is less about the newest framework — and more about clear structure, ownership, and small, consistent improvements.


📊 Overview (compact)

GitHub stats Top languages


🌿 Beyond the Code

When I’m not writing code, I’m usually chasing that same balance of focus and flow in other ways.
I love riding my MTB through quiet forest trails, where every turn clears the mind and resets perspective.
Tennis and gym sessions keep me grounded, reminding me that steady effort beats intensity.
I’m deeply into music — especially electronic and live performances — which for me is another form of rhythm and structure, not so different from coding.
Whenever I get the chance, I travel — often to warm, distant places, drawn by curiosity for new cultures and landscapes.
And above all, I value time with my kids, filled with movement, laughter, and discovery — plus long, peaceful walks with my dog, the best reminder that simplicity can be its own reward.


I believe good software should feel invisible — fast, reliable, and effortless to use.
It’s the kind of engineering that disappears behind experience — and that’s what I aim to build every day.

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