Сергій

Kiniak Sergei
Frontend Developer
Experience

SWAPTER (Frontend Developer) 01.2024-03.2025

My team developed an administrative panel for client side to
Contact manage their crypto currency wallets. I was responsible for Client UX
with complex filtering and sorting of various data cryptocurrencies,
integrating with cryptocurrency exchange markets using
Phone
WebSocket’s\long polling. I completed refactoring of the web
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application architecture and data structure exchange. Worked with
the d3 js library to create data view sets - various graphs and
Email
diagrams for admin panel usage, statistics views and reports
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export.
Location
Odessa, UA Technologies: TypeScript, NodeJS, Chakra, Postman, React,
React Query, Git, Figma
Education
NDA (Crypto exchange) (Frontend Developer) 06.2023-01.2024

UDEMY (JS+React) Worked with a remote team developing UI toolset for Client side of
2024
Crypto Exchange project. Was responsible for UX design implementation
UDEMY(Python) considering reporting for various cryptocurrencies datasets. Worked
2025
with the Python-based backend core and PHP-based median
Odessa National Maritime backend layer using REST API architecture for UI views on user side
University
Bachelor,"Mechanical of Crypto Exchange Client zone.
Engineering", "Industrial
Mechanical Engineering"
2009-2013 Technologies: TypeScript, PHP, Python, React, Postman, Git,
Figma
Expertise
HaloLab (Intern / Frontend Developer) 04.2023-06.2023
REACT

VUE Layouts design for various projects, UI adjustments according to
UX modifications provided by studio.
JavaScript, TypeScript

Vite, WebPack Technology: HTML, CSS, SASS, JavaScript, TypeScript, React,
Figma, NodeJs
Python, PHP

HTML, CSS
Profile
GIT Frontend development since 2021.
https://github.com/SergeyKinyak Complete online courses for various frontend technologies (HTML, CSS,
TypeScript), JavaScript+REACT, at the UDEMY online academy. Have
released projects in REACT, developed project in VUE. Curious for
Languages Frontend-Backend development, so learn Python to run pet project.

Ukraine (native) Portfolio
Russian (native)
English(pre-intermediate) https://github.com/SergeyKinyak