Szymonย Stasik
Full Stack & AI Engineer at A.Team
Warsaw, Masovian Voivodeship, Poland
Summary
๐ค
Senior๐
Top SchoolSzymon Stasik is a Full Stack & AI Engineer with 20+ years of hands-on experience building everything from Z80 assembly to enterprise Java/JEE backends and modern TypeScript full-stack systems. He has scaled and led engineering teams (0โ50+), built a GraphQL federation layer serving millions, and shipped production agentic AI platforms that use planning, memory and augmented retrieval to cut manual processing by ~90%. Pragmatic and results-focused, he blends deep performance-minded roots with modern specification-driven abstractions, CI/CD/DevOps practices, and ethical AI advocacy. Heโs an active open-source contributor, improving front-end behavior in widely used projects like Ionic Framework and enhancing Mermaidโs sequence diagram rendering. Comfortable toggling between architecture and hands-on delivery, he builds frameworks where autonomous agents collaborate toward real-world goals. Based in Warsaw, he selectively engages on opportunities that match his expertise in scalable, responsible AI systems.
11 years of coding experience
18 years of employment as a software developer
matex, matex at IX LO im. K. HoffmanowejInformatics, Informatics at University of Warsaw
Polish, English, Spanish, Russian
Stackoverflow
2,267reputation
278kreached
50answers
38questions
Github Skills (25)
application-framework10
ionice10
javascript10
app-framework10
typescript10
ionic10
front-end-development10
typescript-types10
web-framework10
typescripts10
uml9
diagram9
mobile9
angular9
web-components8
Programming languages (18)
Github contributions (5)
ionic-team/ionic-framework
Feb 2016 - May 2017
A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:5 commits, 3 PRs, 20 comments in 1 year 2 months
Contributions summary:Szymon primarily contributed to the Ionic Framework by fixing bugs and improving the code related to component interactions and user interface elements. Their work involved addressing issues within the `util`, `animation`, and `select` components to ensure correct behavior and event handling. Additionally, they modified various files to improve code examples and ensure the framework's components and features were correctly implemented.
ios-androidpwavueiosmobile
mermaid-js/mermaid
Mar 2016 - Mar 2016
Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown
Role in this project:Front-end Developer
Front-end DeveloperContributions:9 commits, 4 PRs, 6 comments in 4 days
Contributions summary:Szymon primarily focused on enhancing the sequence diagram rendering capabilities of the mermaid-js library. Their contributions involved implementing activation boxes, handling one-line arrow notations, and fixing issues related to message activations, including those involving self-messages and interactions within loops. The changes included modifications to the parser, sequence diagram renderer, and SVG drawing functions to support and correctly display these features.
diagramsflowchartssequencesequence-diagramssimilar
Find and Hire Top DevelopersWeโve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.