Wojciech Wierchoła
TypeScript JavaScript Developer at Doctrin AB
Gdynia, Pomeranian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolWojciech Wierchoła is a TypeScript and JavaScript developer with 15 years of experience building full-stack web applications from Gdynia, Poland. He has delivered modular Node.js systems and responsive frontends across startups and agencies, currently focusing on TypeScript work at Doctrin AB after long-term roles at Webcarrot and earlier e-commerce platforms. Comfortable across the stack, he brings expertise in React, Node.js, MongoDB, and performance tooling like HAProxy and Varnish, as well as legacy PHP/Zend systems. An active contributor to DefinitelyTyped, he improved Mailgun type definitions—adding attachment handling and buffer support—highlighting his attention to type safety and real-world integrations. Known for pragmatic engineering, he blends modern TypeScript practices with deep practical experience shipping production systems.
15 years of coding experience
8 years of employment as a software developer
Engineer's degree, Computer Science, Very good, Engineer's degree, Computer Science, Very good at Gdańsk University of Technology
Polish, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (12)
type-system10
typescript10
typesc10
typescript-definitions10
javascript10
typescripts10
type-definition10
typescript-types10
attachment10
buffering9
buffer9
testing8
Programming languages (8)
Github contributions (5)
DefinitelyTyped/DefinitelyTyped
Dec 2018 - Dec 2018
The repository for high quality TypeScript type definitions.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:5 commits, 1 PR in 1 day
Contributions summary:Wojciech primarily contributed to the type definitions for the `mailgun-js` library within the `definitelytyped` repository. They implemented features for handling attachments, including both inline and multiple attachments, and updated the type definitions to use `ReadonlyArray`. Furthermore, the user added and updated tests related to the changes, incorporating buffer support. The focus of the contributions lies in enhancing the type safety and usability of the library's integration.
typescriptdefinitiondtstypingstypescript-definitions
webcarrot/csv2json
Mar 2011 - Apr 2013
Contributions:27 commits, 1 push, 2 comments in 2 years 1 month
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