Олександр

OLEKSANDR CHAIKA
FRONTEND DEVELOPER

SUMMARY CONTACT

Motivated Frontend Developer with an engineering background and [open contact info](look above in the "contact info" section)
experience in building responsive web applications using React, TypeScript,
[open contact info](look above in the "contact info" section)
and SCSS. Developed an E-commerce catalog from Figma mockups using BEM
and optimized a 2048 game clone with matrix algorithms in vanilla JS. Proven Kryvyi Rih, Ukraine
responsibility from a background as a Quality Control Aviation Technician
(managed fuel testing for 80% of aircraft at Boryspil Airport, including the GitHub
Presidential fleet). Deep knowledge of network protocols (TCP/IP, HTTP/HTTPS)
and an actively improving A2 English level. Telegram

Linkedin
EXPERIENCE

Frontend Developer | Projects
SKILLS
June 2025 – Present

Mastered core web technologies through an intensive, hands-on TypeScript, JavaScript (ES6+)
frontend curriculum (Flex format).
React, React Router, Redux Toolkit
Developed responsive, production-ready web applications from scratch
based on pixel-perfect Figma designs. HTML5, CSS3, Sass (SCSS), BEM,
Wrote clean, structured code adhering to ESLint/Prettier standards and Material UI, Figma,
passing strict mentor code reviews.
Responsive/Mobile-First Web
Design

PORTFOLIO: Fetch, REST API, JSON, LocalStorage,

HTTP/HTTPS, Network Protocols
Landing page – A pixel-perfect, responsive landing page built from scratch
based on a Figma layout. Implemented fluid layouts across all screen (TCP/IP)
resolutions using semantic HTML5 and SCSS. Strictly followed the BEM Git, Webpack, Vite, Babel, Eslint,
methodology to ensure a modular and maintainable stylesheet structure.
Prettier

Knowledge of SDLC, Waterfall, Agile
Demo
GitHub Code concepts (Scrum, Kanban)

English: Pre-Intermediate (A2,
2048 Game – A fully functional, responsive browser clone of the famous actively improving daily)
2048 puzzle game. Implemented complex grid-shifting algorithms, score
tracking, and smooth transitions using vanilla JavaScript and Vite for
modern bundling.
EDUCATION
Demo
GitHub Code
Kryvyi Rih National
University (KNU)
Bachelor Degree in Mechanical
React Phone Catalog – Responsive E-commerce platform built via Figma.
Engineering
Features dynamic filtering, sorting, shopping cart, and persistent state
management (BEM, SCSS). 2014 – 2018

Demo
GitHub Code

PREVIOUS EXPERIENCE ADDITIONAL EDUCATION

Chief Sales Manager | Top Shyna | 2021 – 2026 Frontend course at Mate academy (Git,
HTML, CSS, JavaScript, Typescript, React,
Significantly exceeded sales targets by developing structured Web) [link to a certificate]
sales plans, creating custom client communication scripts with "The Modern JavaScript Tutorial"
objection-handling strategies, and introducing upselling (learn.javascript.info) — comprehensive
techniques, which directly boosted the company's overall revenue. study of advanced JS concepts,
Maintained a 95%+ client retention rate by building long-term asynchronous programming, and DOM
partnerships and managing post-sales relationships, expanding manipulation.Train junior sales agents
the active customer base. Book: You Don’t Know JS — Kyle Simpson

Aviation Technician (Quality Control) |
UkrAviaService | 2019 – 2020 ACHIEVEMENTS

Guaranteed zero safety incidents by conducting rigorous Sports Excellence: Won 1st place in the city
laboratory fuel testing and quality inspections for 80% of all volleyball championship and secured 3rd
aircraft at the airport, including the Presidential fleet, ensuring place in the prestigious city-wide school
100% compliance with strict international aviation regulations. running competition "Chervonyi Girnyk".
Minimized technical inspection delays by optimizing standard Music & Creativity: Completed formal
testing procedures under tight pre-flight schedules, which music education and independently
significantly boosted overall operational efficiency in high-stakes composed original music tracks for
environments. personal creative development.