Hey! I'm Szymon
I think about
pragmatic
engineering
The why before the how of UI, design systems, developer platforms, and what it takes to grow in tech.
Recent writing
From the notebook
Building for the World: A Developer's Guide to Internationalization and Localization
Internationalization and localization aren't just about translating text - they're about making your apps resonate worldwide. Everything you need to start building i18n apps the right way.
From Zero to AWS Solutions Architect Professional In 7 Months: A Frontend Perspective
Navigating the AWS console was always intimidating for me. So how did I end up with their Pro certificate and all three Associates in just 7 months? More importantly, was it worth it for a frontend dev?
The European Accessibility Act: A Front-End Developer's Guide
The European Accessibility Act kicks in on June 28, 2025. Here's what it actually requires and what it means for our day-to-day work as front-end developers.
Frontend Developer: Do Repeat Yourself
"Don't Repeat Yourself", also known as DRY, is a foundational principle in software development, often learned early in a developer’s journey. At first glance it sounds simple and straightforward. But can it be misapplied? Let's explore it from the frontend perspective.
When Micro-Frontends Aren’t the Right Choice
Micro frontends are definitely a trending topic. They receive significant attention by promising better separation of concerns, team independence, and ultimately - quicker delivery. But after years of excitement, I found myself recommending against them. Here’s why.
Track record
In numbers
Some context on the work so far.
Kind words
In their words
A few notes from people I've worked with.
“Szymon tackles every challenge with a Staff mindset. He possesses a unique blend of deep technical mastery in the front-end ecosystem and an energy that drives the entire team forward.”
Magnus Slind-NäslundCTOLokalise, ex Spotify“Szymon is an Engineer who balances technical mastery with genuine cultural leadership. He proved to be a proactive community builder who gets things done without the ego.”
Jorge MartinsSenior Director of EngineeringLokalise“Szymon is a thoughtful, deliberate engineer, who backs his decisions by thorough research. He excels at being glue between different teams, and filling whatever gaps exist in the moment.”
Igor SavinPrincipal EngineerLokalise, ex Booking, Adidas, Fastify maintainer
On stage & on air
Talks, workshops, and community nights.
Design Systems at Scale
Sitting down with Neciu Dan on Señors at Scale to talk through how I approach engineering, what it takes to run a design system, joining Netflix, and plenty in between.
Previously
TalkHas AI killed platform engineering?
Jun 16, 2026
As AI agents start writing code and making decisions, platform work gets more strategic, not less — shifting from tooling toward shared conventions and clear APIs that let people and agents move fast without making a mess.
Meetup HostHosting Brave AI Community in Wrocław
Mar–Jun 2026
Four editions — practical AI nights co-hosted with meet.js, Vonage, Monterail, and Text, covering agents, production stories, and everything in between. I organized all of them.
TalkBuilding for the World: A Developer's Guide to Internationalization and Localization
May 6, 2025
A practical, developer-first take on i18n and l10n — how to gauge localization maturity, avoid the usual traps, and ship multilingual apps that scale. Co-presented with Igor Savin.
TalkHow to Effectively Approach AWS Certification
Oct 18, 2023
My seven-month road from AWS Cloud Practitioner to Solutions Architect Professional — the motivation, the study strategy, and the resources that actually helped. Part of the final Uszanowanko Programowanko.
TalkAutomating Frontend Development with GraphQL
Oct 26, 2022
Speeding up frontend work with GraphQL codegen — generating typed hooks for queries and mutations, plus IDE setup for cleaner, more maintainable code. Part of Uszanowanko Programowanko.