I'm Vlada Marchenko, a frontend developer specializing in React, Next.js, and TypeScript. I build production-ready web applications—from authentication systems and REST API integrations to full-stack dashboards with MongoDB backends. I'm available for remote B2B contracts and I pride myself on delivering clean, tested code and turning Figma specs into deployed products. I communicate clearly in English, work autonomously, and collaborate well with teams across disciplines. My experience spans streaming UIs, e-commerce dashboards, and data-driven apps, and I enjoy solving UI and API integration challenges from design to deployment.

Vlada Marchenko

I'm Vlada Marchenko, a frontend developer specializing in React, Next.js, and TypeScript. I build production-ready web applications—from authentication systems and REST API integrations to full-stack dashboards with MongoDB backends. I'm available for remote B2B contracts and I pride myself on delivering clean, tested code and turning Figma specs into deployed products. I communicate clearly in English, work autonomously, and collaborate well with teams across disciplines. My experience spans streaming UIs, e-commerce dashboards, and data-driven apps, and I enjoy solving UI and API integration challenges from design to deployment.

Available to hire

I’m Vlada Marchenko, a frontend developer specializing in React, Next.js, and TypeScript. I build production-ready web applications—from authentication systems and REST API integrations to full-stack dashboards with MongoDB backends. I’m available for remote B2B contracts and I pride myself on delivering clean, tested code and turning Figma specs into deployed products.

I communicate clearly in English, work autonomously, and collaborate well with teams across disciplines. My experience spans streaming UIs, e-commerce dashboards, and data-driven apps, and I enjoy solving UI and API integration challenges from design to deployment.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert

Language

English
Fluent
German
Advanced
Ukrainian
Fluent
Russian
Fluent

Work Experience

Night Auditor at 25hours Hotel Company
October 1, 2022 - October 1, 2024
Guest check-in/out operations, Overnight reports & statistics, Time management & attention to detail. Achievement: Enhanced reporting accuracy through basic programming tools.
Night Auditor at 25hours Hotel Company
January 1, 2024 - January 1, 2025
Operated independently on overnight shifts with full accountability for financial reporting, guest operations, and issue resolution. Produced zero-error nightly financial reports under strict end-of-shift deadlines, maintaining 100% accuracy across a 2-year tenure. Resolved operational incidents autonomously and communicated professionally across languages (English, German, Ukrainian, Russian) with international guests and management teams.
Frontend Developer at Leleka
January 1, 2025 - Present
Pregnancy tracker project built through agile collaboration across a cross-functional team of 13 contributors. Implemented baby and mom state cards for the journey page and developed the private week endpoint on the Express backend. Diagnosed and restored a broken production deployment within 12 hours, addressing cross-domain auth issues and an unhandled promise rejection.

Education

Bachelor's Degree in German Philology at Sumy State University
January 1, 2018 - January 1, 2022
Fullstack Development Course at IT School GoIT
January 1, 2024 - January 1, 2025
Fullstack Developing at IT School GoIT
January 1, 2024 - October 1, 2025
Bachelor's degree in Germanic Philology and Translation at Sumy State University
January 1, 2018 - January 1, 2022
GoIT Fullstack Development — Career Transition Program at GoIT
January 1, 2024 - January 1, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Education, Travel & Hospitality
    paper E-Pharmacy

    Problem: Developing a platform for drug store owners to manage inventories and track real-time sales statistics.
    Key Features: Secure JWT authentication with session persistence (cookies/localStorage), dynamic shop-specific routing, and complex database relationships.
    Stack: Next.js, TypeScript, Node.js, Express, MongoDB, Yup.

    paper Travel Truck Rental

    Problem: Creating a high-conversion vehicle rental platform with dynamic filtering and optimized performance.
    Key Features: Adaptive layout for all devices, dynamic catalog filtering (location/price/type), and reusable UI component architecture.
    Stack: Next.js, TypeScript, REST API, CSS3.

    paper Read Journey

    Problem: Building a responsive reading tracker with real-time session validation and statistics.
    Key Features: Start/stop session flow with validation via Yup, dynamic progress indicators (circular statistics/bars), and robust API error handling.
    Stack: React, TypeScript, React Router, CSS Modules, React Toastify.