Сергій

Serdiuk Sergii
Front-End Developer
[открыть контакты](см. выше в блоке «контактная информация») [открыть контакты](см. выше в блоке «контактная информация») Kharkiv, Ukraine / remote

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Summary
Junior Front-End Developer with practical experience in building responsive web applications using React and modern
JavaScript/TypeScript. Interested in writing clean code, improving performance, and contributing to team projects.
Familiar with back-end basics (Node.js, Express, MongoDB).

Professional Experience
Front End Developer 04/2025 – Present | Remote
One Media
Developed and refined landing pages using modern front-end tools.
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Performed refactoring to improve code readability and maintainability.
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Implemented design updates and integrated changes into existing projects.
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Front End Developer 03/2024 – 2024
Internship
•Front-end development: React applications. Experience in Back-End technologies: Node.js, Express.js (Express
Validator), Mongoose, JWT (JSON Web Tokens), MongoDB.
•Collaboration and code quality: Actively participated in team projects. Responsible for code review, debugging and
bug resolution to deliver high-quality code. Version control (Git) is used for effective collaboration and project
management.
Procurement Manager 2015 – 2023
KhZZO LLC, Novator LLC
•Provided production components for grain cleaning equipment manufacturing
•Searched for suppliers and negotiated contracts
•Controlled delivery of components to ensure timely shipment of goods according to contracts
•Managed procurement of fasteners and paint products
•Worked in the building materials division of a trading company

Skills
Core Skills Additional (Basic Knowledge)
JavaScript, TypeScript, React (Redux Toolkit, React React Native, Node.js, Express.js, MongoDB
Router, React Hook Form, i18next), HTML5, (Mongoose), JWT, Postman, Testing theory.
CSS3/SCSS, Tailwind CSS, Git, GitHub, Vite, REST API.

Projects
Full-Stack Pet Project — “Discount Tracker” 12/2024 – 03/2025
Stack: MERN (MongoDB, Express.js, React, Node.js)
•Developed an application for accumulating promotional items from online stores.
•Implemented a parser for collecting data and storing it in MongoDB.
•Developed an adaptive frontend on React for displaying and filtering results.
•Created a backend on Node.js/Express.js with authentication based on JWT.
Cook Like a Pro 03/2025 – 03/2025
Built a recipe application with React 19. Implemented search with debouncing, recipe browsing with Swiper.js, and
integration of YouTube video tutorials. Designed adaptive UI with MUI, Emotion, and Tailwind CSS.
GadgetHub 2024 – 2024
Nice Gadgets
Nice Gadgets is a modern online store specializing in the sale of smartphones, tablets, and accessories. With
integrated multilingual support and the ability to switch themes, users can customize their shopping experience
according to their preferences.
Technologies used:
React, TypeScript, React Router, Swiperjs, SCSS (Sass), React-i18next, React Hot Toast, Git and GitHub.
SmartNOTHING 2024 – 2024
NOTHING is an innovative online store specializing in the sale of modern gadgets and accessories.
Technologies used:
HTML5, SCSS (Sass), Responsive Web Design (RWD), Git and GitHub.

Education
Master's Degree in International Economics 2001 – 2006
Simon Kuznets Kharkiv National University of Economics
Front End Full-Time Course 2024 – 2024
Mate Academy
I studied the material at lectures and independently, completed tasks in compliance with deadlines.

Languages
English
Level B1 - Intermediate

Courses
Jira Administrator (Atlassian) 2024 – 2025
This course provided in-depth knowledge of Jira administration, including configuring, managing, and optimizing the
Jira environment for effective project management and team collaboration. I gained hands-on experience with Jira
Software, Jira Service Management, Confluence, and Jira Assets.
Software testing 2022 – 2022
SkillUp
SQL, SDLC/STLC, Knowledge of testing theory, Jira, Confluence.
Understanding of Agile methodology ( Scrum , Kanban ).
Basic knowledge of API (Postman) . Understanding of client - server architecture.
Course HTML, CSS 2019 – 2019
Lemon school
Learn HTML and CSS