Kraków, PolandIndependent thinking. Full-stack building.

Full-stack developer

Piotr
Chmielowiec

From the first interaction to the system behind it.

I build production web applications across frontend, backend, data, and infrastructure. Thoughtful interfaces. Maintainable systems.

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Open to the right full-stack role / Selected client work

One developer. Every layer.

  1. Interface

    React / TypeScript

  2. Backend

    Node.js / APIs

  3. Data

    PostgreSQL / Redis

  4. Infrastructure

    Docker / AWS

From what you see to what makes it work.

Across the stackInterface + API + Data + Infrastructure

01 / Selected work

Ideas, put into production.

Built independently. Shipped together.

Solo full-stack project

Me Map↗

A private travel-memory application for plotting journeys, attaching photos to route points, and revisiting trips without the distractions of social media.

Visit Me Map Source code

From interface to infrastructure

Designed, built, and deployed independently as a full-stack product.

  1. 01

    Interactive routes, trip dates, descriptions, waypoints, and photo memories.

  2. 02

    Authentication, relational data, object storage, and background image processing.

  3. 03

    Containerized deployment with automated migrations and separate API and worker services.

React 19TypeScriptHonoPostgreSQLRedisDocker
02

Collaborative / Confidential

Financial services platform

Helped deliver a new investor module while working within a collaborative product team.

03

Collaborative / Confidential

Remote education platform

Extended the platform with a team while maintaining established workflows and features.

04

Collaborative / Web platform

nuumi.pl

Owned and supported the frontend architecture within the wider delivery team.

02 / Experience

Real teams.
Real responsibility.

Turning complex workflows into software that feels straightforward to use.

Oct 2023 — Present

LTL Balkan

Full-stack Developer

Building and maintaining an internal freight management system that supports logistics operations between Poland and the Balkans.

Nov 2022 — Oct 2025 · concurrent role

Softnauts

Frontend Developer

Built modern web products across finance, education, ecommerce, and affiliate marketing in collaboration with product, design, and backend teams.

03 / Interactive workbench

A little closer to the source.

Pick a shortcut. Or take the command line.

portfolio.session / piotr@kraków

Quick access

$ whoami

Welcome to my workbench.

I’m Piotr, a full-stack developer in Kraków. I build thoughtful interfaces and the systems that make them work.

FOCUS
Frontend → backend → production
EXPERIENCE
Building professionally since 2022
CURRENT WORK
Logistics systems at LTL Balkan
INDEPENDENT PROJECT
Me Map / travel memories, privately kept

Choose a shortcut above, or type to explore.

04 / Field notes

From the blog.

Technical notes and lessons from building things for the web.

View all posts

Available for selected client work.

Have something
worth building?

[email protected]