Dmytro Yarmak
Senior Staff Software Engineer at Shine
Kyiv, Ukraine
Summary
👤
Senior🎓
Top SchoolDmytro Yarmak is a Senior Staff / Principal Software Engineer based in Kyiv with over 12 years of experience building scalable, user-focused products across fintech, taxtech, and workflow automation. He specializes in backend and platform engineering—particularly TypeScript, Node.js, GraphQL, and cloud-native tooling—while bringing a full-stack mindset from years leading frontend and mobile efforts. Dmytro excels at migrating legacy monoliths into modular, type-safe platforms and has led cross-functional initiatives spanning authentication (OAuth2, 2FA), real-time sync, and Open Banking reliability. He pairs hands-on implementation (bootstrapping NestJS services, stabilizing production Open Banking flows) with architectural leadership, developer experience improvements, and mentorship. An active contributor to well-known Angular UI projects like ng-zorro-antd and ng-bootstrap, he combines deep component-level frontend insight with system-wide backend design. Colleagues rely on him to translate product needs into maintainable systems that prioritize speed of iteration, developer onboarding, and long-term operability.
12 years of coding experience
9 years of employment as a software developer
Igor Sikorsky Kyiv Polytechnic Institute
Ukrainian, English
Github Skills (28)
javascript10
antd10
bootstrap10
angular-component10
ui-components10
typescript10
typescript-types10
bootstra10
typescripts10
frontend10
ant10
angular10
reactive-form9
css9
reactive-forms9
Programming languages (4)
Github contributions (5)
ng-bootstrap/ng-bootstrap
Jan 2017 - Jul 2017
Angular powered Bootstrap
Role in this project:
Front-end Developer
Front-end DeveloperContributions:6 commits, 7 PRs, 26 comments in 6 months
Contributions summary:Dmytro primarily contributed to the `ng-bootstrap` project by fixing bugs and adding new features to existing components. Their work includes fixing a pagination issue related to unnecessary ellipsis display, which involved changes in the `pagination.spec.ts` and `pagination.ts` files. They also added a demo of using button groups with reactive forms, implementing several new component files such as `buttons-checkbox-reactive.html`, `buttons-checkbox-reactive.ts`, `buttons-radio-reactive.html`, and `buttons-radio-reactive.ts`. Furthermore, the user resolved an issue in the timepicker component to switch to PM when the hour is greater than 12. Additionally, the user enhanced the typeahead component by adding features to resubscribe for value changes on blur, esc, and enter.
datepickerprogress-barbootstrap-5datetime-pickerpopover
NG-ZORRO/ng-zorro-antd
May 2018 - Jun 2018
Angular UI Component Library based on Ant Design
Role in this project:Front-end Developer
Front-end DeveloperContributions:6 commits, 5 PRs, 4 comments in 19 days
Contributions summary:Dmytro primarily contributed to the ng-zorro-antd Angular UI component library. Their work focused on fixing bugs and enhancing existing components, as seen in the fixes for the table, slider, date-picker, modal, and alert modules. The commits demonstrate a strong understanding of component interactions, form integration, and ensuring proper behavior across different scenarios and user inputs. This included updating component functionality to comply with strictNullChecks and implementing UI behavior based on user interaction.
ant-designangular-uiangular-ui-componentsngxng-zorro
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