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OLEKSANDR BEREZHNYI
Front-end developer

CONTACTS Result-oriented Front End Developer with 5 years experience working
with React, Redux and TypeScript.
[открыть контакты](см. выше в блоке «контактная информация») Experienced in collaborating with cross-functional teams to deliver
[открыть контакты](см. выше в блоке «контактная информация») high-quality, scalable solutions, and adept at translating design
olexandr-berezhnyi mockups into fully functional, and responsive interfaces.
zhvaninho
Dnipro, Ukraine

SKILLS EXPERIENCE
◦ ENGLISH – B2 NDA (Cybersecurity app for private networks)
1 year 2 months
◦ REACT, TYPESCRIPT, NEXT.JS
Used: React, Redux, Redux Saga, RTK, TypeScript, React Hooks Form,
◦ HTML, CSS, JAVASCRIPT(ES6+) Material UI
- Collaborated with a team of 6 front-end developers, guiding the refactoring
◦ REDUX, REDUX SAGA, THUNK, RTK
process and facilitating code reviews to ensure consistency and adherence to
best practices.
- Refactored old code section with JS class components and Redux Saga to
◦ REACT HOOK FORM, FORMIK TypeScript functional components with hooks and RTK, and designed new
REST API routes with back-end developer.
◦ STYLED COMPONENTS, - Participated in development and maintaining of subnets’ and devices’
groups and their policies
MATERIAL UI, TAILWIND CSS, SASS - Converted client-side grid operations to server-side (pagination, filtering and
etc)
◦ REST API, GRAPHQL (APOLLO)

◦ UNIT TESTS (JEST, ENZYME), GIT NDA (MVP for building products marketplace)
4 months
Used: React, GraphQL (Apollo Client), Styled Components, React Hooks
Form
- Successfully led the development of a Minimum Viable Product (MVP) from
COMPANIES inception to completion, working closely with a back-end developer to deliver
a fully functional application.
GBSFO, Odessa
- Took ownership of the front-end development process, managing the project
05.2023 - 07.2024 by translating design mockups into actionable tasks for both front-end and
Hygge Software, Kharkiv back-end teams, ensuring clear communication and efficient collaboration.
- Brought the product design to life by converting high-fidelity wireframes into
03.2021 - 01.2023
responsive, user-friendly web pages.
Atilogsoft, Kharkiv - Designed and implemented the GraphQL schema, queries, and mutations,
06.2020 - 02.2021 enabling efficient data fetching and seamless integration between the front-
end and back-end, resulting in a smooth and performant user experience.
Flow AI, Netherlands
10.2019 - 06.2020 Another projects:
B2B cars marketplace (13 months, legacy project with react-boilerplate),
EDUCATION chat-bot algorithm design app and MVP for agents’ chat (8 months, React,
Saga, emotion, with small part of back-end work with Express and
EUNU Sievierodonetsk MongoDB),
2017 - Master Degree (System sport event management platform (6 months, replacement to end of
Programming) contract),
jewelry marketplace (6 months, React, TypeScript, Next.js, short-term help
with components library)
online animation editor (3 months, React, Saga, Styled Components)
several short-term React Native projects (8 months) – implementation design
for messages for chat app, MVP for snow blower worker app, Firebase
notifications.