Maciej Stasiełuk
Chief Technology Officer at Vazco
Lower Silesian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolMaciej Stasiełuk is an experienced technology leader and Chief Technology Officer at Vazco with 11 years of building and scaling web and AI-augmented digital experiences. He combines strategic product leadership with hands-on engineering, having led teams that deliver cloud-native applications, e-commerce platforms and UX-focused AI solutions. A pragmatic full‑stack developer, he contributes to open-source projects—improving React form libraries (uniforms) and TypeScript definitions in DefinitelyTyped—demonstrating attention to developer ergonomics and type safety. He’s also taught cloud application architecture at university level, which underscores his ability to translate complex technical concepts for teams and clients. Based in Lower Silesia, Poland, he pairs business informatics training with entrepreneurial roots from founding a creative agency, giving him both product sensibility and delivery rigor.
11 years of coding experience
1 year of employment as a software developer
Master's degree Business Informatics (IT Systems Manager), Master's degree Business Informatics (IT Systems Manager) at Wroclaw University of Economics and Business
English, Polish
Stackoverflow
491reputation
11kreached
9answers
0questions
Github Skills (24)
javascript10
react-components10
testing10
typescript10
type-definition10
forms10
react-component10
component-library10
typescript-types10
typescripts10
meteor10
react10
typescript-definitions9
dts9
styles8
Programming languages (4)
Github contributions (5)
vazco/uniforms
May 2016 - Oct 2021
A React library for building forms from any schema.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:6 commits, 5 PRs, 4 pushes in 5 years 6 months
Contributions summary:Maciej primarily contributed to the React-based form library, `uniforms`. They implemented new features for UI components, adding icon support to various form fields like `TextField`, `DateField`, and `NumField`. The user also introduced a `wrapClassName` prop to customize the styling of form fields. Additionally, they updated the documentation regarding a deprecated prop and addressed a Meteor-related warning.
react-libraryform-builderreactmeteorform-controls
DefinitelyTyped/DefinitelyTyped
Oct 2019 - Oct 2020
The repository for high quality TypeScript type definitions.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:6 reviews, 5 commits, 5 PRs in 1 year
Contributions summary:Maciej primarily contributed TypeScript type definitions and tests to improve the type safety and developer experience within the `definitelytyped` repository. They added comprehensive type definitions for the `camunda-external-task-client-js` library, ensuring proper integration and usage. Additionally, the user worked on refining and expanding existing types related to Meteor, including `server-render`, `connection`, and `observeChanges`, and also added support for Meteor HTTP's asyncCallback.
typescript-definitionstype-definitionshigh-qualitydtsdefinitions
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