Андрій

ANDRII HALOSA
FRONTEND DEVELOPER
Kyiv, Ukraine | Remote / Hybrid | GitHub: https://github.com/Galers • Phone: [open contact info](look above in the "contact info" section) • Email:
[open contact info](look above in the "contact info" section) • Linkedin: [open contact info](look above in the "contact info" section) • Telegram: https://t.me/Galerss

SUMMARY
Frontend Developer with 3+ years of experience building scalable web applications in EdTech and
MarTech. Specialized in React/Next.js and Vue.js, with working experience in TypeScript. Experienced in
developing CRM systems for affiliate teams, learning management platforms, and frontend performance
optimization.

SKILLS
Languages: JavaScript, TypeScript, HTML5, SCSS/CSS3
Frontend: React, Next.js, Vue.js, Vuex, Redux Toolkit, TanStack Query, React Router, Axios
UI & libraries: Material UI, Vuetify, Tailwind CSS, i18next, Chart.js, GSAP, Formik
Testing: Jest, Cypress, Vitest
Tools: Git, GitHub/GitLab, Webpack, Vite, Postman, Jenkins, Figma, Jira

WORK EXPERIENCE
Quantum Projects • Frontend developer • MarTech • Full-time • Hybrid May 2025 - Present
Internal CRM for affiliate teams: partner management, traffic and payout tracking, client interaction.
Reduced initial CRM load time from 5-8s to ~2s by parallelizing sequential API calls, adding client-side
caching, and eliminating redundant requests.
Built the UI for the AI landing page generator - model selection modal and reference file upload - integrating
with backend-provided model options and generation endpoints.
Refactored the main page (business logic extraction, component modularization, pagination) and covered
refactored components.
Mentored and onboarded new team members through knowledge-sharing sessions.
Tech stack: JavaScript, Vue.js, Vuex, Vuetify, Jest, Axios, Postman, GSAP, Chart.js, SCSS
Muzone IT-team • Frontend developer • EdTech • Full-time • Remote Oct 2024 - Apr 2025
Educational platform for music school students, teachers and administrators.
Built student-facing course pages (enrolled courses, course catalog, enrollment) and part of the payment flow
UI for an LMS with 1,000+ active users.
Developed the company's marketing site - responsive layout, Lighthouse 90+.
Tech stack: JavaScript, TypeScript, Next.js, React, Redux Toolkit, TanStack Query, Axios, Material UI, SCSS, Formik,
i18next
Freelance (Upwork) • Frontend developer • Part-time • Remote Aug 2023 - Sep 2024
Built responsive, cross-browser landing pages from Figma designs.
Fixed bugs and refactored legacy React + TypeScript code into reusable, typed components.
Tech stack: React, TypeScript, JavaScript, HTML, CSS, SCSS, Axios, Framer Motion, i18next, REST APIs

EDUCATION
National University of Ukraine on Physical Education and Sport: Oct 2022 - Jan 2024
Master's, Physical culture and sport - 'Esports'
Kyiv Aviation Institute (KAI): Sep 2015 - May 2022
Bachelor of Computer Software Engineering

LANGUAGES
English - B1 (Intermediate) • Ukrainian - Native • Russian - Native