Василь

Vasyl Demchuk
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Telegram - @inseyul

Frontend Angular Developer

SUMMARY
With over 5 years of commercial experience as Front-end developer. Proficient in designing and building
applications from scratch, including coding, testing, and performance optimization. Continuously self-
improving and staying updated with the latest technology and framework releases to ensure efficient and
modern solutions. Experienced in analyzing and resolving complex issues while collaborating effectively with
cross-functional teams to deliver high-quality, business-driven solutions

TECHNICAL SKILLS
Angular, TypeScript Angular Material, PrimeNG Karma, Jasmine, Cypress
JavaScript, RxJS Reusable UI architecture GitHub, GitLab, GitFlow
NgRx, NGXS Performance optimization Postman, Swagger, Docker
HTML, CSS, SCSS Node.js, Express.js AI-assisted development,
Claude

EDUCATION LANGUAGES

Master's Degree in Cyber Security English - Intermediate
Ternopil National Technical University Ukrainian - Fluent
Bachelor of Computer Science
Ternopil National Technical University

Junior Specialist of Computer Science
Ternopil National Technical University

WORK EXPERIENCE
Frontend Angular Developer | Binotel December 2025 - Present

Worked on smartCRM, a CRM product for business communication and sales workflows.

Responsibilities:
Built and maintained Angular functionality for CRM workflows.
Developed reusable UI components, forms, and data-driven interfaces.
Collaborated with backend and product teams to deliver new features.
Improved maintainability, performance, and code quality.
Supported AI adoption by helping set up and integrate Claude into the development workflow.

Achievements:
Delivered smartCRM features and improved UI consistency.
Enhanced user workflows and supported scalable front-end architecture.
Introduced AI-assisted development practices and helped the team adopt Claude more effectively.

Technologies: Angular, RxJS, TypeScript, Angular Material, SCSS, Sentry, Claude
 Frontend Angular Developer | Polytech Software May 2025 - December 2025

A platform that provides a service for mini-agmes.

Responsibilities:
Developed and maintained a sports mini-games platform using Angular.
Built and optimized reusable components, implemented responsive UI and lazy-loading.
Collaborated with backend (NestJS) and QA teams, participated in code reviews and sprint planning.
Improved performance by optimizing RxJS data flows and reducing rendering time.
Contributed to CI/CD pipelines and worked in an Agile/Scrum environment.

Achievements:
Collaborated with designers to translate Figma prototypes into live animated components.
Optimized data loading processes, reducing response time.
Developing mobile part of the project.
Integrated Rive and Lottie animations to enhance UX (onboarding flows, streak/jackpot effects, game
transitions)

Technologies: Angular 19, Angular Material, Rx.js, Typescript, NgXs, CSS (SASS), Nest.js, Codex

Frontend Angular Developer | Concert.ua May 2024 - March 2025

Worked on a ticketing platform focused on online event sales and customer experience.

Responsibilities:
Built front-end functionality for data tables and multi-step forms.
Refactored existing code and improved UI library integrations.
Optimized components to improve maintainability and performance.
Collaborated with UX/UI designers and participated in code reviews.

Achievements:
Improved performance and maintainability by 20%.
Reduced response time by optimizing data loading.
Delivered features that improved user satisfaction and mobile experience.

Technologies: Angular 16, Angular Material, RxJS, TypeScript, NgRx, SCSS

Frontend Developer | Privat Bank October 2021 - April 2024

Worked on banking products and internal tools for one of the largest financial institutions in Ukraine.

Responsibilities:
Developed Angular functionality with Angular Material.
Built complex forms and data-driven interfaces.
Collaborated with backend developers and business analysts.
Supported backend tasks with Node.js and Express.js.
Implemented unit tests and improved application performance.

Achievements:
Built complex Angular forms and analytical UI components.
Introduced automated testing practices that improved team productivity.
Improved data processing and overall application performance.
Contributed to backend features on Node.js and Express.js.

Technologies: Angular 15, Angular Material, RxJS, TypeScript, React, Karma, Jasmine, SCSS, Node.js,
Express.js, Jenkins, Docker, Postman, Swagger
Frontend Developer | AzSoft Rocks September 2020 - September 2021

Worked on an e-commerce projects for the different products market.

Responsibilities:
Developed front-end functionality using Angular.
Managed application state with NGXS.
Wrote unit and end-to-end tests using Cypress.
Improved performance and collaborated closely with the backend team.
Implemented a notification system to improve user interaction.

Achievements:
Delivered new features and improved team efficiency.
Implemented NGXS state management for the project.
Added end-to-end test coverage with Cypress.
Contributed to performance and development process improvements.

Technologies: Angular 12, Bootstrap 5, RxJS, TypeScript, NGXS, SASS, Karma, Jasmine, Cypress