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Anastasiia Z.

Offer Anastasiia work on your next project.

Ukraine Kyiv, Ukraine
15 hours 49 minutes back
Available for hire available for hire
20 Safes completed
3 months 13 days back
13 clients
19 proposals made
on the service 3 years

Rating

Successful projects
100%
Average rating
9.91 out of 10
Rating
4524
Web Programming
147 place out of 6421
Cryptocurrency & Blockchain
22 place out of 445
10 projects
Web Programming
6 projects
Javascript and Typescript
4 projects
HTML & CSS
3 projects
Social Media Marketing (SMM)

Language proficiency level

Українська Українська: fluent
English English: advanced
Polski Polski: pre-intermediate

CV

ITZeyz — Building Scalable, Future-Proof Digital Products


We turn complex ideas into scalable, tech-driven solutions.


We are an ambitious IT team specializing in web, mobile, and blockchain solutions — building scalable products that automate processes and drive efficiency.


We operate officially, provide contracts, and guarantee transparent collaboration.

💳 Flexible payment options for your convenience — we accept all major types of payments.


Why ITZeyz?

  • 8+ years of experience in developing successful products;

  • Market trust – more than 50 web platforms, mobile apps, and blockchain systems delivered for businesses of various scales, from startups to large companies;

  • Professional team: developers – Frontend/Backend, UX/UI designers, project managers, QA specialists.

  • Fast communication — our PMs are always in touch with clients via Slack, Telegram, or email.

  • Full-cycle delivery: we work “turnkey” — from analysis to launch and ongoing support


Services:

  •  AI-powered solutions: chatbots, generative AI, data analytics  
  • Blockchain & DeFi: crypto platforms, smart contracts, tokenomics  
  • CRM systems & business automation  
  • Smart bots for support and operations  
  • E-commerce platforms & marketplaces  
  • Promotional landing pages & business websites 


Work process:

Analysis → Planning → Development → Testing → Launch → Support


Technologies:

Frontend: React.js,  Vue.js,  i18next,  Nuxt.js,  Next.js, GraphQL;

Backend: Fastify,  Express.js,  Koa, Node.js,  Nest.js,  Restana;

Blockchain: Web3.js,  Ether.js,  HardHat,  Truffle,  Solidity;

Databases: PostgreSQL,  MySQL,  MongoDB;

Dev tools: Postman,  Mocha;

Design: Figma,  Canva,  Pixso.


Flexibility and efficiency:

We work according to Agile methodologies, which allows us to quickly implement changes and achieve results.


Achievements:

  • Real results — business process automation increased efficiency by 25–40%;

  • Business scaling — our solutions helped clients attract new users and increase profits;

  • Stable growth — an average increase in client revenues by 30% each year.



Contact us

Let’s build something great together. Share your idea — we’ll make it real.

Skills and abilities

Portfolio


  • Crypto marketplace - Grizzly

    Web Programming
    Project — a marketplace for buying and exchanging cryptocurrencies that provides convenient and secure transactions with various cryptocurrencies.

    Stages:
    Planning and design — defining features, choosing technologies, developing UI and responsive layout.
    Backend development — creating API for orders and currency pairs, implementing authorization and admin panel.
    Frontend development — integrating with API, dynamically displaying data, implementing user cabinet.
    Testing and support — checking functionality, security, deployment, and monitoring.

    Technologies:
    Frontend: React.js
    Backend: Node.js, Express.js
    Database: PostgreSQL
    Design: Figma

    This site allows users to seamlessly conduct cryptocurrency transactions with a high level of security.
  • KotoSushi – Online Sushi Ordering Platform

    Apps for iOS (iPhone and iPad)
    KotoSushi is an online sushi ordering platform. Users can place orders, select sets, pay online, and track deliveries. The platform is optimized for mobile and desktop devices, providing a convenient and secure user experience.

    User Pain → Solution:

    User pain: Customers spent time on calls and messages to clarify orders, and were concerned about payment security.

    Solution: KotoSushi enables users to place orders online in a few clicks, view available sets instantly, pay via secure payment systems, and track delivery status in real-time.

    Services Provided:

    Business goals and requirements analysis

    UX/UI design development

    Mobile-responsive version for seamless use on any device

    Intuitive and user-friendly interfaces

    Integration of functional modules: menu, cart, payment, order tracking

    Data security and protection

    Ongoing support and updates

    Result:

    Fast and convenient ordering process

    Responsive design for mobile and desktop users

    Secure payments and real-time order tracking
  • 2000 USD

    DocIntel.AI — AI-powered Business Document Analysis Platform

    AI & Machine Learning
    Description:
    DocIntel.AI is an advanced AI-driven platform for automated business and legal document analysis. Users can upload contracts, tenders, and reports, and instantly receive structured insights, including risks, obligations, and deadlines. The platform also includes a personal dashboard, payment system integration, and automated order/report generation.

    Features:
    Upload and AI-based real-time document analysis
    Automatic extraction of risks, obligations, and key points
    Generation of reports and acts from analysis results
    Personal dashboard with document history and payments
    Payment system integration (MonoPay, WayForPay)
    Secure data storage with MongoDB

    Technologies:
    Front-end: React Native
    Back-end: Node.js (Express.js)
    AI: OpenAI API (critical for document analysis)
    Database: MongoDB / PostgreSQL
    Payments: MonoPay / WayForPay
    Deployment: Vercel

    Result:
    DocIntel.AI helps businesses analyze documents 5x faster, reduces the risk of human error, and automates document management.
  • Generative Artificial intelligence

    AI & Machine Learning
    It is a platform that allows users to interact with AI avatars via text, audio, and video chat.

    Main functional modules:
    - User registration and authorization (email, social networks)
    - Profile management and personalization of interaction
    - Live chat with AI avatars (text, audio, video)
    - Selection and customization of avatars
    - Saving chat history
    - Payment integration

    We are ready to provide you with a test version!
  • BigBoard — advertising on billboards across Ukraine

    HTML & CSS
    Goal:
    To make the process of placing outdoor advertising transparent, fast, and accessible for brands of any scale - from local businesses to national companies.

    Key Features:
    Catalog of billboards with filtering by cities, prices, formats
    Interactive map with available spaces
    Convenient cost calculator
    Contact form for ordering or consultation
    Modern, trustworthy design with a focus on conversion

    User Pain → Solution:
    Problem: Businesses find it difficult to find current billboard offers and verified suppliers in different regions.
    Solution: BigBoard provides a centralized platform where optimal locations can be selected, availability checked, and advertising ordered in just a few clicks.

    Technologies:
    Frontend: React
    Backend: Node.js (Express.js)
    Database: PostgreSQL
    Design: Figma
  • 3000 USD

    RPGrant - Monuments made of granite and marble on order

    Web Programming
    RP Grant — Ukrainian company specializing in custom design and manufacturing of monuments from granite and marble. Our task was to create a professional, informative, and at the same time restrained website that would properly showcase the craftsmanship, services, and product catalog of the company.

    We took on the full development cycle — from the client's idea to a full-fledged, elegant web presence.

    What we implemented:

    Modern design that matches the sensitivity of the theme
    Responsive website optimized for desktops and mobile devices
    Clear service pages: custom monuments, family memorials, engraving, restoration
    Interactive photo gallery of completed works
    Order form with the possibility of individual customization
    SEO structure ready for local search promotion
    Multilingual (Ukrainian + possibility to add other languages)

    #WebDevelopment #website #UI/UX-design #WebDevelopment #website
  • Ai Tracker

    AI & Machine Learning
    An intelligent web platform using AI to automatically analyze tender documentation (PDF, Word). It helps quickly identify key requirements, risks, and conditions, saving time and improving analysis accuracy.

    Key Features:

    User registration and authentication.
    AI analysis of tender documents (PDF, Word).
    Automatic extraction of key data (requirements, risks, deadlines) and report generation.
    Personal dashboard for accessing documents and analytics.
    Subscription system and payment integration (Stripe).
    Admin panel for user and settings management.
  • 1000 USD

    Socky

    Web Programming
    This platform allows users to buy and sell unique boots by combining digital assets with physical products through blockchain technology. Each product is represented as a limited NFT, which ensures transparency, security, and real value for participants.

    Key stages:
    Frontend - creating a user-friendly and intuitive interface.
    NFT generation - development and integration of technology to create and manage unique tokens.
    Blockchain - implementation of blockchain technologies to ensure the security and transparency of the buying and selling process.

    Technologies:
    Frontend: React.js
    Blockchain: Web3.js, Solidity, Truffle, Hardhat
    Design: Figma

    This innovative approach creates a new level of interaction between physical and digital products, enabling users to own unique shoes of both real and virtual assets.
  • California

    Web Programming
    Services provided under the project:
    1) Analysis of needs and business goals.
    2) Development of a custom design.
    3) Creation of a mobile-adaptive version of the website.
    4) Development of user-friendly and intuitive interfaces.
    5) Integration of necessary functional modules.
    6) Support and updating of the website.
  • HR

    Web Programming
    Services provided under the project:
    1) Analysis of needs and business goals.
    2) Development of a custom design.
    3) Creation of multilingual functionality.
    4) Development of user-friendly and intuitive interfaces.
    5) Integration of necessary functional modules.
    6) Ensuring the security and protection of user data.
    7) Support and updates for the website.
  • Bulletin board

    Website Development
    The system provides convenient search, filtering by categories, regions, prices, and dates, as well as the ability for direct communication between the seller and the buyer.

    Main features:
    User registration and authorization
    Publication, editing, and deletion of listings
    Advanced search and filtering
    Selection of paid options to increase visibility
    Messenger for communication between users
    Rating and review system

    Admin panel:
    A full-fledged admin panel has been implemented for managing users, listings, categories, and analytics. The interface is optimized for quick content moderation, management of paid options, and monitoring user activity in real-time.

    User Pain → Solution:
    Problem: Searching and selling goods through social networks was ineffective — without filters, user verification, and a rating system.
    Solution: We created a centralized platform with secure transactions, smart filtering, and tools for quick interaction between the seller and the buyer.

    Technologies:
    Frontend: React.js
    Backend: Node.js (Express.js)
    Database: PostgreSQL
    UI/UX Design: Figma
    Deployment: Vercel

    The platform provides a fast, convenient, and secure buying and selling process, allowing users to find the products they need in just a few minutes and increase the reach of their offers.
  • 8000 USD

    OTC - P2P crypto trading platform

    Web Programming
    We developed an OTC P2P crypto trading platform that allows users to make deals directly via Web3 wallets and smart contracts. The platform includes the user-facing system, extended features, and a dedicated admin panel.

    Key Work:
    Core development (backend, database, frontend architecture).
    Web3 wallet integration & signature-based authentication.
    User modules: profile, orders, deals, chats, “My Trades”.
    Smart contract integration for transactions.
    Advanced features: exchange rates, filters, favorites, alerts.
    Admin panel for managing users, deals, reviews, warnings, and 2FA.
    Testing, deployment & project management.

    Tech Stack:
    Frontend: React.js
    Backend: Node.js (Express.js)
    Database: PostgreSQL / MongoDB
    Blockchain: Web3, Smart Contracts
    Auth: Signature login, 2FA

    Result:
    Fully-featured P2P trading platform with secure transactions.
    Automated workflows for orders, deals & alerts.
    User-friendly interface and dedicated admin panel for management.
  • WAP – Duel Gaming Platform

    Web Programming
    WAP is a web-based gaming application featuring duels in ninja-battle style, where users can challenge each other and place bets on the outcome. The platform blends gamification, competition, and modern web technologies to deliver an engaging user experience.

    Services provided:
    Business goals and requirements analysis.
    Custom game-inspired design development.
    Mobile-responsive version for seamless play on any device.
    Intuitive and user-friendly player interfaces.
    Integration of functional modules: betting system, duels, match results.
    Data security and protection for users and transactions.
    Ongoing technical support and updates.

    Result:
    Fully launched gaming platform with integrated betting system.
    Unique design tailored to the ninja duel theme.
    Optimized experience for both mobile and desktop players.
  • 5000 USD

    Hookadash

    Web Programming
    Hookadash is an online platform for hookah delivery, enabling users to customize their orders (tobacco type, flavor, accessories) or request hookah catering for events. The service combines the convenience of fast online ordering with efficient management tools for customers, couriers, and administrators.

    Technology stack:
    Front-end: React JS
    Back-end: Node.js, PostgreSQL
    Others: GitHub

    Main work blocks:
    Design and UX prototyping.
    User-facing website for placing orders.
    Admin panel for managing orders and users.
    Courier panel for delivery confirmation and updates.

    Result:
    Smooth hookah ordering process with flexible product customization.
    Complete order management system for the business.
    Improved logistics and delivery efficiency with the courier panel.
  • 2500 USD

    Vsebus - Spare Parts E-commerce Website for Minivans

    Web Programming
    Description:
    We developed a modern platform that allows users to quickly find and purchase spare parts for minivans. The website combines intuitive design, fast performance, and full responsiveness across devices, ensuring a smooth and user-friendly shopping experience.

    Key Development Stages:

    Design Approach — UX/UI strategy for convenient user experience.

    Prototype & Specification — detailed functionality and logic definition.

    UI/UX Design — full design of all pages + responsive adaptation.

    Front-end Development — implementation of the interface using Next.js.

    Back-end Development — server-side logic with Node.js & Express.js.

    Database — structured with PostgreSQL for scalability.

    Testing — performance, security, and stability verification.

    Technologies:

    Frontend: Next.js

    Backend: Node.js (Express.js)

    Database: PostgreSQL

    Design: Figma

    Result:
    The platform provides a seamless and efficient process for purchasing minivan spare parts — users can easily find the right components and complete their orders in just a few clicks.

Reviews and compliments on completed projects 20

18 February 218 USD
Stage 4. Project Launch

Quality
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Developed the website over several stages, thank you!!!

23 January 218 USD
Stage 3. Bug fixing and final code stabilization

Quality
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We move on to the final stage.

19 January 226 USD
Stage 2. Code refactoring

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We move on to the next stage.

Quality
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Thank you for the wonderful and high-quality work! Communication was easy, all revisions were prompt. It is very pleasant to collaborate! Thank you!

10 November 2025 113 USD
Content creator for promoting a mobile application

Quality
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Thank you for the productive work!

27 October 2025 169 USD
Stage 1. Refactoring the code. Extracting the logic (backend) and frontend part of the user into a separate project

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Everything is fine, we move on to the next stage.

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Thank you. I liked everything about the execution of the project.

14 October 2025 338 USD
Bug fixes and adding new features to the website for taking tests

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Quality communication. We move on to the next stage – refactoring the previous developer's code.

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Great communication, great team, I recommend!

6 October 2025 451 USD
Redesign

Quality
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The work was done well, however, it is worth discussing the terms and deadlines in more detail with the performer. Overall, I recommend.

29 September 2025 41 USD
Content creator for promoting a mobile application

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Great job, thank you for the collaboration!

19 September 2025 23 USD
Content creator for promoting a mobile application

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Thank you for the productive collaboration!

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Completed the 1st stage of the project related to artificial intelligence work.
The project is not trivial, there are enough difficulties and nuances.
The work is fruitful, the client listens to wishes, participates, makes adjustments and requests.
Thank you.
I will continue working on the next stage.
I recommend!

28 May 2025 562 USD
HTML layout of the website according to the mockup

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All is well. We completed the task on time. Quickly fixed all the comments. I recommend

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рекомендую як чіткого виконавця, усього найкращого

3 May 2025 451 USD
Development of authorization and registration form on Vuejs/Nuxt

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Thank you to Anastasia and her team for the work done! Yes, the project was completed with a slight delay, but overall the result is truly worthy. It is evident that a lot of effort and professionalism have been invested. It is a pleasure to work with a team that listens to wishes and responds flexibly to changes.
Good luck with your next projects!

19 March 2025 474 USD
Development of a crypto exchange website. Stage 1 - Layout

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Professionally, promptly, qualitatively, we continue the work!

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ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ

20 January 2025 271 USD
Meta soft

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Thank you! The work was completed on time, the software was connected, everything was set up, and it was explained in detail. The team approached the task responsibly and professionally. I recommend!

11 December 2024 81 USD
Telegram web app

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Thank you to Anastasia and her team for the prompt and high-quality execution of the work. Communication is pleasant and timely, the quality of the work is exceptional. I am completely satisfied and recommend Anastasia and her team for collaboration.

Activity

  Latest proposals 10
Development of a WordPress site
609 USD
Need to refine the website generated in Claude code.
16 USD
Weo
609 USD
Потрібно створити сучасний premium website для moving company у Calgary, Canada — Golden Hive Moving
1500 USD
E-Shop Build
1000 USD
Create a website on WP
609 USD
A business card website is needed for a detective agency + CRM
451 USD
Transfer the website design from Figma to WordPress
338 USD
Stretch the design from Figma to WordPress
180 USD
Web Platform – Next.js Developer Needed
11 000 USD