Serhii

SERHII DEMYDENKO
FRONTEND DEVELOPER

SUMMARY
Frontend Developer experienced in designing and building scalable web applications
using React, Vue, and modern TypeScript-based ecosystems. Specialized in complex UI
systems, dynamic forms, and performance optimization, with a strong focus on
maintainable architecture and user experience.

WORK EXPERIENCE
CONTACT Front End Developer
INFORMATION Radity| Remote | Dec 2023 - Mar 2026
[open contact info](look above in the "contact info" section) Projects: Platform for insurance companies
Technology: React, TypeScript, Material UI, Vue, Nuxt, Pinia, Vuetify, Headless CMS.
[open contact info](look above in the "contact info" section) Duties:
Built scalable frontend features for insurance platform
LinkedIn Developed complex dynamic forms with conditional logic and validation
Improved UI responsiveness across multiple portals
GitHub
Integrated REST APIs for business-critical workflows
Poltava, Ukraine Wrote unit tests (Mocha) and participated in code reviews
(ready for the Front-end developer
relocation)
Hathor Production | Remote | 08.2022 - 09.2023
Projects: Sports marketing marketplace, United Bailiffs web site, landing pages.
Technology: React, TypeScript, Next Js, Tailwind, Styled Components, framer-motion.
TECH SKILLS Duties:
Development of key React components; Using state management in conjunction with
Core: React, Next.js, Vue 3, Nuxt, Redux; Integrate with external APIs to retrieve and display up-to-date data on products,
TypeScript, JavaScript (ES6+) brands and marketing opportunities
UI: Material UI, Vuetify, Tailwind CSS, Collaborated with the team to design new features for our web application.
Styled Components
State Management: Redux Toolkit, Pinia PROJECT EXPERIENCE
Forms & UX: Form validation, dynamic
forms, UX optimization(Formik, Formkit) Full stack project Github Front, Github Back [React, TypeScript, Redux-Toolkit,
Tools: Git, Azure DevOps, Webpack/Vite, Node.JS, Express,
Headless CMS Pro Test, Link, GitHub [React, Redux, Axios, CSS.Module]. Application for testing
Testing: Mocha knowledge of students who learn QA. Duties: Test page, dark theme.
Phonebook, Link, GitHub [Bootstrap, React, Redux, Axios, Parcel]. Application for
Other: REST APIs, Responsive Design
manipulating contacts.
FILMOTEKA, Link, GitHub [HTML, SASS, JS, Axios, Parcel, Firebase]. Duties: Film
modal, fetch of trailer, dark theme.
IceCream, Link, GitHub [HTML, SASS, JS, Parcel]. A website with a responsive layout.
Role: Team Lead. Duties: review of code, slider of reviews, footer.
SOFT SKILLS
EDUCATION
Teamwork
Hardworking Neoversity
Honest
2025 -2027 Master's Degree in Computer Science
Inquisitive

Sumy National Agrarian University
LANGUAGES 2014 - 2018 Master's Degree in Agro engineering

English - Upper-Intermediate
Ukrainian - Native ADDITIONAL EDUCATION
Russian - Fluent
IT School GoIT (Kyiv)
2022
Full Stack Developer