Vitalii

Duma Vitalii
Frontend Developer

Experience

Contacts Frontend Developer | Elopage | Aug 2021 - 2023

Elopage needed new form-based features for their platform, and the existing
Telegram codebase was complex and unfamiliar.
@dumavb Implement new form functionality in an existing production system, ensuring a
smooth user experience and clean integration with the current architecture.
LinkedIn Investigated and analyzed the existing codebase to fully understand how forms were
Vitalii Duma managed.
Developed and integrated new features using Formik, enhancing form behavior and
Address validation.
Lviv Ensured code quality and reusability by following established patterns and best
practices within the team.
Email Successfully delivered new, reliable form features that improved user interaction and
[відкрити контакти](див. вище в блоці «контактна інформація») functionality. The work contributed to a better user experience and aligned well with
the platform's scalability needs.

SKILLS Frontend Developer | Axles | Jul 2020 - May2021

The company aimed to enhance their web-based PDF Editor and transition the entire
JavaScript, TypeScript
site to a new, modern design system.
React, ReactTestingLibrary Enhance the functionality of the PDF Editor, introduce new interactive features, and
update the UI to align with the latest design specifications.
Redux, Mobx Investigated and analyzed the existing PDF Editor implementation to identify areas for
improvement and extension.
Formik, BEM Developed new interactive features using React, Redux, and HTML5 Canvas to
CSS3,HTML5,Sass(SCSS) improve editing capabilities.
Resolved layout and styling issues by debugging and updating CSS to support the new
SQL(basics) visual design.
Collaborated with designers and backend developers to ensure smooth UI/UX and
PythonCoreforDevOps integration.
Successfully implemented new features in the PDF Editor and completed the design
DockerCore
migration. The updates improved the user experience and aligned the product with
KubernetesBasics modern design standards.

Full-Stack Developer | Crystal Logic | Jul 2019- 2020

Education The client needed a modern, fully responsive web platform built from scratch to help
users search for fuel-efficient cars.
Design and develop the entire website, including both frontend and backend, using a
Technical College (Lviv modern full-stack technology stack.
Polytechnic National Investigated and adopted Relay with GraphQL for efficient data fetching and frontend
University) Degree in performance.
Integrated Intelligent Built the frontend using React, Next.js, Bootstrap 4, and SCSS, ensuring a responsive
Systems Management and user-friendly UI.
Computer Systems Developed backend services with Node.js, and collaborated with a backend developer
Technician to structure and implement the PostgreSQL database.
Worked closely with a QA engineer to test features, fix issues, and ensure high-quality

Language
delivery.
Successfully delivered the website on time, fully functional and production-ready. The
platform allowed users to browse car listings smoothly and laid a solid foundation for
English level - Intermediate (B1) future scalability.