Віктор

VIKTOR PIRKL
Middle Frontend Developer | Angular
Mukachevo, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)
github.com/Chakloon | [open contact info](look above in the "contact info" section)

PROFESSIONAL SUMMARY
Angular frontend developer with nearly 3 years of hands-on experience, including 2+ years in commercial enterprise
FinTech development. Build interfaces with live data, complex workflows and typed forms. Own feature delivery and
technical decisions, mentor one frontend colleague, and maintain shared UI and state logic in an Nx monorepo.
TECHNICAL SKILLS
Frontend: Angular 19+, TypeScript, JavaScript (ES6+), HTML5, CSS3/SCSS, Angular Material, Tailwind CSS, Transloco
(i18n).
Angular and state: Standalone Components, Signals, RxJS, OnPush, typed Reactive Forms, custom validators,
Dependency Injection, custom signal stores.
Architecture and APIs: Nx monorepo, shared libraries, layered architecture, separation of concerns, event-driven UI,
REST/OData, Backend for Frontend (BFF), SignalR/WebSockets, Web Workers, IdentityServer/Keycloak.
Quality and delivery: Unit testing (Karma), E2E testing (Playwright), Page Object Model, Faker.js, API testing (Axios),
Git, Azure DevOps CI/CD, Docker, OKD (OpenShift), Scrum.
PROFESSIONAL EXPERIENCE
Frontend Developer (Angular) | Luxoft Ukraine
Jul 2024 - Present | Enterprise FinTech applications
• Progressed from Intern to Middle Frontend Developer; own feature delivery, technical decisions and code reviews, and
mentor one frontend colleague.
• Build data-intensive business interfaces with complex tables, reusable filters and server-side search, sorting and
pagination.
• Integrate REST/OData APIs through a .NET BFF, with typed request/response mapping and synchronized filter state.
• Synchronize API snapshots and SignalR events with RxJS and custom signal stores; process data in Web Workers
and optimize rendering with OnPush.
• Refactor UI and state logic into reusable components, services and stores, separating presentation, business logic and
data access.
• Build typed Reactive Forms with custom validators and localize dialogs, validation messages and notifications with
Transloco.
• Integrate authentication flows and role-based UI behavior using IdentityServer/Keycloak claims and HTTP interceptors.
• Developed reusable Playwright automation for multi-step workflows using Page Objects and Faker.js-based test data
generators.
• Added authenticated API checks with Axios/OAuth2, validating response status, token presence and reference-data
responses.
• Maintain Karma unit tests and work with Azure DevOps CI/CD and Docker/OKD deployment workflows.
Frontend Developer | SoftServe Dual Study (team project)
Feb 2024 - May 2024
• Acted as the main developer in a six-developer team supervised by a project lead, contributing to a completed
application.
• Built Angular/TypeScript UI and map features with RxJS and Ionic; packaged the app for Android with Capacitor and
maintained Karma tests.
SELECTED PROJECT
BitReady | Personal / academic full-stack project | 2026 - Present
Developed a full-stack learning platform with algorithm visualizations, quizzes and AI-assisted interview practice.
Angular, TypeScript, ASP.NET Core Web API (.NET 9), EF Core, MySQL, JWT, Swagger.
EDUCATION
Lviv Polytechnic National University
MSc in Applied Mathematics | Sep 2026 - Expected Jan 2028
BSc in Applied Mathematics | Sep 2022 - Jun 2026
LANGUAGES
Ukrainian - Native | English - Upper-Intermediate | Slovak - Intermediate