Данило

Zaremba Danylo

Front-end Developer

Phone: [open contact info](look above in the "contact info" section)

Email: [open contact info](look above in the "contact info" section)

Telegram: @ZarembaDanylo

Location: Lviv, Ukraine

SUMMARY OF QUALIFICATIONS
Results-driven Front-end & Mobile Engineer with a Bachelor’s degree in Computer
Science and hands-on experience building production-ready web and cross-platform
mobile applications. Specialized in the modern JavaScript ecosystem (React,
Next.js, TypeScript, React Native / Expo, Svelte) alongside strong backend
experience in PHP and PostgreSQL. Proven track record of transforming complex
Figma designs into scalable, high-performance web products, including AI-driven
platforms, audio streaming applications, and high-load GovTech solutions.
Passionate about clean architecture, web performance optimization, and component
testing.

TECHNICAL SKILLS
● Languages: JavaScript (ES6+), TypeScript
● Frontend & Mobile: React, Next.js, Svelte, React Native, Expo, HTML5,
CSS3, Semantic Web
● State & Data Management: Zustand, REST API, Axios, Local Storage / Web
Storage
● Styling & UI Tools: Tailwind CSS, NativeWind, CSS3, SCSS / SASS,
Storybook, jQuery, jQuery UI
● Build Tools & Package Managers: Vite, pnpm (Workspaces), npm, Yarn
● Backend & Databases: PHP (PDO), PostgreSQL, MySQL, Relational
Database Design
● Testing & Tools: Jest, Git, GitHub, VS Code, Visual Studio, Figma,
Photoshop, Jira
● Environments & OS: Windows, MacOS, Linux (Ubuntu/Debian)

PROFESSIONAL EXPERIENCE
3aSoft | Frontend / Mobile Developer

May 2025 – Present

● Audio Streaming Ecosystem (Mobile & Web):

○ Spearheaded end-to-end mobile development for iOS and Android
using Expo and React Native, delivering the product from scratch to full
production release (v1.0.0).

○ Engineered persistent offline caching and global state management
architectures using Zustand for uninterrupted media playback.

○ Integrated complex audio streaming REST APIs, managing
playback queues, navigation flows, and background execution.

○ Developed the web Creator Studio & User Platform with React and
Tailwind CSS for content management, analytics tracking, and profile
administration.

● AI-Powered News Platform (Invite-Only):

○ Architected a secure content platform using Next.js and TypeScript,
handling real-time AI text generation streams and dynamic page
rendering.

○ Converted complex Figma wireframes into high-performance,
mobile-first responsive components.

○ Integrated client-side state storage and robust async error-handling
mechanisms for AI API responses.

● High-Load National GovTech Platform:

○ Contributed to a high-load national digital government service using
Next.js and TypeScript, prioritizing data security, semantic markup, and
accessibility standards.

○ Engineered features for both citizen-facing web portals and secure
internal administrative control panels.

○ Ensured rigid cross-device compatibility and optimized viewport
layouts for complex data structures.

● Cloud & Infrastructure Platform (Svelte Monorepo):

○ Developed a commercial landing page and advanced admin
dashboard for a server/cloud storage provider.

○ Configured and built the solution within a unified Svelte Monorepo
architecture using Vite and pnpm workspaces for modular
code-sharing.

○ Crafted complex, high-performance UI animations and an adaptive
layout optimized for high conversion rates.

● Code Quality & UI Documentation:

○ Isolated and documented reusable UI components using Storybook,
building an interactive design system.

○ Wrote comprehensive unit tests with Jest to validate core business
logic and state transitions.

Fayne | Fullstack Developer (Project-based)

Jan 2025 – May 2025

● Engineered a full-stack e-commerce platform for corporate product sales
using PHP (PDO) and PostgreSQL.
● Designed relational database schemas; parsed and imported inventory data
from unstructured .csv formats into structured SQL tables.
● Developed server-side request processing and dynamic database interactions
with strict data sanitization.
● Created interactive frontend logic using JavaScript and jQuery (DOM
manipulation, AJAX data fetching, local storage management).
● Translated Figma designs into clean, cross-browser responsive web pages
using React and custom CSS layouts.

ТзОВ "ТехМетал" | Front-end Developer (Contract)

Dec 2024 – Feb 2025

● Revamped the corporate web platform to enhance site performance,
responsiveness, and user engagement metrics.
● Built fully adaptive layouts from Figma templates using HTML5, CSS3, and
JavaScript.
● Integrated custom UI slider components, modal workflows, and interactive
DOM elements.

AtomFinance | Front-end Developer (Contract)

Nov 2024 – Feb 2025

● Developed an online corporate product catalog aimed at boosting customer
engagement and product visibility.
● Processed and structured raw product datasets scraped from partner sources
into standardized JSON arrays for seamless frontend rendering.
● Implemented mobile-first adaptive frontend presentation layers using Vanilla
JavaScript and responsive CSS grid architectures.

EDUCATION
Bachelor of Computer Science

Lviv Polytechnic National University | 2021 – 2025

LANGUAGES
● Ukrainian: Native
● English: Intermediate (B1) — Technical Proficiency