Костянтин

KOSTIANTYN
WEB AND MOBILE DEVELOPER

Summary
5+ years of commercial experience Web and Mobile Developer in creating dynamic and responsive
applications for both web and mobile platforms. Proficient in modern web technologies such as
JavaScript, React.js, Vue.js, as well as mobile development using React Native and Flutter. Strong
background in UI/UX design, state management, and API integration. Passionate about staying
current with industry trends and continuously enhancing technical skills. Seeking to leverage my
expertise to contribute to innovative and impactful projects

Skills
React.js, Redu MongoDB/MySQ MobX/Redu
JavaScript/TypeScrip PostgreSQ Redux Toolki
Vue, Vuex, RX.j Flutter, Mob GIT, AP

Redux-Thunk, Redux-Saga Styled Components Linux based system and administration

Work Experience
Education Languages
National University "Zaporizhzhia polytechnic" English - Upper-Intermediate

Software Engineering
Ukranian - Fluent
2016-2020

Front-end Developer | Сotsverige
 Mar 2018 - Present
An online store for the sale and rental of construction materials, tools, and clothing with custom
prints. Worked with CRM, creating and managing favorite lists, delivery logistics (order distribution to
drivers, routes, etc.), police reports, adapting many pages to mobile versions, and rewriting.

Responsibilities: Implementing key features. Supported existing functionalities, troubleshooting and
resolving issues promptly

Achievements

Developing and maintaining user interfaces for web application

Collaborating with backend developers to integrate API

Optimizing web performance and improving page load spee

Actively participating in agile team processes, contributing to sprint planning and retrospective

Technologies: Vue, Pinia, PrimeVue, Vue-i18n, Vue-router

An application for company personnel, meaning it handles order creation, order assembly, printing
custom designs on clothing, delivery to and from sites, corporate vehicle management, inventory,
and order activity history

Responsibilities: Developing and maintaining user interfaces for mobile applications

Technologies: React Native, Redux / Redux Toolkit, MobX, Context API
A closed social network for investors, featuring company pages, personal profiles, events, and
integration with Google Meet.

Responsibilities: Developing and maintaining user interfaces for web applications, Collaborating
with backend developers

Technologies: React, Redux, TypeScript, JavaScript, HTML5, and CSS3

This application is for teaching children the Swedish language, incorporating animations and audio

Responsibilities: Developing and maintaining user interfaces for mobile applications

Technologies: React Native, Redux / Redux Toolkit, MobX, Context API

Tinder for dogs, an application for dog owners looking for playmates or other activities for their
dogs. Worked on integrating login via Google, Apple, and Facebook, integrating Google Maps with
radius search and numerous filters, single and group chats, adding paid subscriptions, and items for
boosts

Responsibilities: Developing and maintaining user interfaces for mobile applications

Technologies: Flutter, GetX, Firebase, SQLite, Google Maps for Flutter