Особисті дані приховані

Vladyslav Symonovych
Senior Frontend Developer
[відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація»)

Kyiv, Ukraine 11 October 1994

[відкрити контакти](див. вище в блоці «контактна інформація») @vladislav_1994

PROFILE

Senior Frontend Developer with 7+ years of experience building high-performance
web apps using JavaScript, TypeScript, React, and Next.js.
Proven ability to lead complex features from idea to production, modernize legacy
codebases, and mentor teams.
Top contributor on multiple long-term projects. Deep expertise in architecture,
performance optimization, code quality, and delivery.
Tech Stack
Languages: JavaScript (ES6+), TypeScript
Frameworks & Libraries: React, Next.js, Redux Toolkit, React Hook Form, Styled-
components, SCSS
Testing: React Testing Library, Jest
Tools: Git, Webpack, Vite, Axios, Formik, Yup
Blockchain: Web3.js, Ethers.js, Solana/web3.js, Anchor
Maps / APIs: Google Maps API, OpenStreetMap
Other: i18next, Chart.js, WebSocket, REST, A/B testing

LANGUAGES

Urkainian — Native/Bilingual English — Fluent

PROFESSIONAL EXPERIENCE

03/2024 – Senior Frontend Developer
present Redvike
Kyiv (remote), Lead contributor to a complex admin panel for US-based property
Ukraine managers, managing resident-facing app content and amenity
access.
•Became top contributor on the project
•Rebuilt legacy features, delivered new modules, and optimized
logic
•Worked with minimal QA support — handled testing manually
before deployment
•Regular code reviews and refactoring
Stack: TypeScript, React.js, Redux Toolkit, SCSS Modules, REST
APIs, React Hook Form, Yup

Vladyslav Symonovych [відкрити контакти](див. вище в блоці «контактна інформація») 1 / 2
12/2021 – Senior Frontend Developer
02/2024 4ifre Labs
Kyiv (remote), Built and scaled blockchain MVPs and platforms: NFT
Urkaine marketplaces, investment apps, staking/vesting tools, and CEX
prototypes.
•Acted as frontend lead on long-term project (from MVP to full
production)
•Built architecture, led dev hiring, mentoring, estimations,
and client demos
•Responsible for all frontend decisions and execution
•Code reviews, large-scale features, refactoring
•Conducted technical interviews to help scale the frontend team
with strong candidates
Stack: TypeScript, React, Next.js, Redux Toolkit, Web3.js,
Solana/web3.js, Ethers.js, SCSS, Material UI

10/2020 – Frontend Developer
12/2021 Aurora Technologies
Kyiv (remote), Live video streaming platform for entertainment markets in the
Ukraine US, EU, AU.
Implemented user-facing features and platform logic
•

Designed A/B tested dynamic stream preview system
•

Consolidated multi-player error tracking
•

Helped extend custom user activity tracking library
•

Refactored components, optimized render logic
•

Stack: JavaScript, React, Redux, Flow, Styled-components, WebRTC

10/2019 – Frontend Developer
10/2020 Venbest-LTD
Kyiv, Ukraine Real-time React SPA for monitoring alarm systems at client
facilities (warehouses, offices, homes).
Integrated WebSocket-based live updates from devices
•

Introduced TypeScript incrementally to improve app reliability
•

Built recursive JSON parser for third-party device configs
•

Refactored components, migrated to hooks
•

Mentored teammates, did pair programming and code reviews
•

Conducted technical interviews to help scale the frontend and
•

QA team with strong candidates
Stack: JavaScript, TypeScript, React, Redux, WebSocket, i18next,
Google Maps API, SCSS

07/2018 – Frontend Developer/HTML coder
10/2019 Freelance
Kyiv (remote), Delivered responsive, cross-browser landing pages and e-commerce
Ukraine websites.
Built UI with pixel-perfect precision
•

Maintained and refactored legacy CSS
•

Implemented interactivity with jQuery (sliders, modals, tabs)
•

Worked with video backgrounds and map integrations
•

Created translation dictionaries for i18n in early React work
•

Stack: HTML, SCSS, JavaScript, jQuery, Pug, Gulp, Google Maps
API, Figma

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