Андрій

ANDRII MITKO
Junior Full-Stack Developer
Phone: [open contact info](look above in the "contact info" section) | Email: [open contact info](look above in the "contact info" section) | Telegram: @Andrii_And
GitHub: github.com/Andrii-Mitko | LinkedIn: [open contact info](look above in the "contact info" section)
Portfolio: andrii-mitko-brand.vercel.app | Location: Bila Tserkva, Ukraine

SUMMARY
Junior Full-Stack Developer with hands-on experience building responsive web applications using JavaScript,
TypeScript, React, Next.js, and Node.js. Experienced in full-stack feature ownership within large team monorepos —
from frontend forms and state management to Express/MongoDB backend endpoints and API contracts. Skilled in Git
workflows, cross-stack debugging, and Agile team development. Strong technical background in automation systems,
contributing to analytical thinking and complex problem-solving.

HARD SKILLS
HTML5, CSS3, Flexbox, Grid, Responsive Design, JavaScript (ES6+), TypeScript, React, React Components, Hooks,
Zustand, Formik, Yup, Next.js (App Router), State Management, Node.js, Express.js, MongoDB, Mongoose, JWT
Authentication, REST API, Zod, Git, GitHub, Version Control, Branching Strategy, Vite, Figma, Agile, Scrum.

LANGUAGES
English: elementary | Ukrainian: upper-intermediate | Russian: advanced

PROJECT EXPERIENCE
WONA Bride — Wedding Dress Salon Website (Commercial / Solo Project)
Live Demo: https://wona-bride.com.ua/
GitHub Code: https://github.com/Andrii-Mitko/wona_bride
Technologies: Next.js, React, TypeScript, MongoDB, Mongoose, Zustand, React Query, Formik, Yup, Zod, Cloudinary,
Nodemailer, Vitest.
Description: Commercial full-stack e-commerce website built for a real bridal and evening-dress salon — live in production
and actively used by the business.
Functionality: Dress catalog with filtering/pagination, cart and wishlist, order form with email/Telegram notifications, and
an admin script for managing inventory.
Role: Solo Full-Stack Developer. Built the entire application end-to-end: Next.js/TypeScript frontend, backend API and
MongoDB models, Cloudinary image handling, form validation (Formik/Yup/Zod), Zustand/React Query state, and Vitest
tests. Deployed to production for a real client.
Barska Oil — Sunflower Oil E-commerce Website (Commercial / Solo Project)
Live Demo: https://barskaoil.com.ua/
GitHub Code: https://github.com/Andrii-Mitko/barska.oil
Technologies: Next.js, React, TypeScript, MongoDB, Mongoose, Zod, React Hook Form, Cloudinary, Telegram Bot API.
Description: Commercial full-stack e-commerce website developed for a real sunflower oil manufacturer, with a product
catalog, product detail pages, shopping cart and order processing.
Functionality: Product catalog with categories and product details, shopping cart, order submission, wholesale pricing,
MongoDB-backed product data, Cloudinary image management, Telegram order notifications, and custom admin panel.
Role: Solo Full-Stack Developer. Built the application end-to-end using Next.js and TypeScript, including frontend UI, API
route handlers, MongoDB/Mongoose data layer, form validation, product management and order processing. Deployed the
application to production.
Harmoniq — Webcrafters Project 03 (Team Project)
GitHub Code: https://github.com/vitaliypolets/project-webcrafters-03
Technologies: TypeScript, React, Next.js (App Router), Node.js, Express, MongoDB, Mongoose, Zustand, Formik, Yup, Zod,
JWT, Git.
Description: Full-stack social publishing platform built by a 13-person team in a single monorepo (Next.js frontend +
Express backend), using a shared ownership model and canonical API contract.
Functionality: Authentication with JWT and automatic session restore, protected/guest-only routes, article catalog with
filtering and pagination, user profiles and bookmarks.
Role: Feature Owner — Login, Auth State & Route Guards. Built the login form and Express endpoint end-to-end, the
Zustand auth store, and route guards for protected/guest-only pages. Diagnosed and fixed several cross-stack bugs (env
misconfiguration, unhandled MongoDB connection errors, an _id/id API-contract mismatch) and refactored backend error
handling to a centralized middleware. Collaborated across a 13-developer monorepo under a strict ownership model.

Developer Portfolio (Individual Project)
Live Demo: https://andrii-mitko-brand.vercel.app/
GitHub Code: https://github.com/Andrii-Mitko/andrii-mitko-brand
Technologies: Next.js, React, TypeScript, Framer Motion, CSS Modules.
Description: Personal developer portfolio and brand website showcasing projects, skills, and professional experience.
Functionality: Animated hero and project showcase (Framer Motion), responsive project cards with tech-stack tags,
downloadable CV, and a contact section.
Role: Solo Developer. Designed and built the full site, including a reusable component and design system, from scratch.
STP-13021 (Commercial Team Project)
Live Demo: https://anastacia-tkachova.github.io/STP-13021/
GitHub Code: https://github.com/Andrii-Mitko/STP-13021
Technologies: HTML5, CSS3, JavaScript, Vite.
Description: Responsive commercial landing page built for a real client.
Functionality: Smooth animations, interactive UI sections (header, hero, about, gallery, FAQ), and optimized image/SVG
assets.
Role: Frontend Developer. Collaborated with the team via a feature-branch/PR Git workflow to implement client-facing
sections.
HTML & CSS Tutorial (Individual Project)
Live Demo: https://textbook-html-css.vercel.app/
GitHub Code: https://github.com/Andrii-Mitko/textbook-html-css
Technologies: Next.js, React, TypeScript, CSS Modules.
Description: Interactive HTML & CSS learning platform with structured lessons.
Functionality: Theory sections, practical exercises with hints and solutions, and SEO-optimized, responsive pages.
Role: Solo Developer. Built the platform structure and content delivery using Next.js and TypeScript.
Webcrafters Project 02 (Team Project)
Live Demo: https://vitaliypolets.github.io/webcrafters-project-02/
GitHub Code: https://github.com/Andrii-Mitko/webcrafters-project-02
Technologies: HTML5, CSS3, JavaScript, Git.
Description: A collaborative web platform focused on modern UI/UX principles.
Functionality: Interactive interface, responsive navigation, and optimized assets.
Role: Developer / Scrum Master. Collaborated in team development using Git workflow and implemented interactive
frontend features.
Watchcharm Project (Individual Project)
Live Demo: https://andrii-mitko.github.io/Watchcharm-Projects/
GitHub Code: https://github.com/Andrii-Mitko/Watchcharm-Projects
Technologies: HTML5, CSS3, JavaScript, Vite, Git.
Description: An e-commerce styled landing page for high-end watches.
Functionality: Multi-device compatibility, performance optimization, and modular CSS.
Role: Developer. Managed Agile workflow, optimized project structure.

WORK EXPERIENCE
Cancer Center 2022 – Present
Electrician – Medical Institution
• Responsibilities: Implementation of backup power systems and maintenance of critical electrical infrastructure.
• Achievements: Successfully integrated emergency generator systems ensuring 100% uptime for medical equipment.
KATRANBUD, LLC 2019 – 2022
Director
• Responsibilities: Managed team operations, project workflows, and strategic planning.
• Achievements: Developed an internal digital system for salary calculation and reporting, which improved operational
efficiency by 20%.

EDUCATION
IT School GoIT — Full-Stack Developer — 2025 – 2026
Mariupol Mechanical and Metallurgical College, PSTU — Electrical Engineering – Power Systems and Automation — 1991 –
1995