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Oleksandr Stoian

Ukraine Velikaya Pisarevka, Ukraine
7 months 15 days back
Available for hire available for hire
age 26 years
on the service 9 months 18 days

Rating

Successful projects
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Average rating
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Rating
129
Web Programming
4195 place out of 6433
Bot Development
1068 place out of 1907

CV

I am a dedicated Web and Bot Developer located in Ukraine, with a passion for creating dynamic and efficient web applications. With over 4 years of experience in both frontend and backend development, I have cultivated a strong skill set that allows me to deliver high-quality solutions tailored to client needs.


Technical Skills:

- **Frontend Development**: Proficient in HTML, CSS, JavaScript, and frameworks such as React and Vue.js. I focus on creating responsive, user-friendly interfaces that enhance user engagement.

- **Backend Development**: Experienced in server-side technologies including Node.js, Python, and PHP, with a solid understanding of database management using MySQL and MongoDB.

- **WordPress Development**: Skilled in creating and customizing WordPress websites, including theme development, plugin integration, and performance optimization to deliver engaging user experiences.

- **Bot Development**: Skilled in developing automated solutions and chatbots that improve user interaction and operational efficiency.


Professional Experience:

I have worked on a diverse range of projects, from small business websites to complex web applications and automation tools. My ability to integrate various technologies ensures seamless functionality and performance.


Collaborative Approach:

I believe in the power of teamwork and effective communication. I enjoy collaborating with designers, project managers, and clients to bring ideas to life, ensuring that each project meets its objectives and delivers value.


Continuous Learning:

I am committed to professional growth and continuously seek opportunities to expand my knowledge of emerging technologies and best practices in web development.


Personal Interests:

Outside of work, I am passionate about exploring new technologies, contributing to open-source projects, and engaging with the developer community.

Skills and abilities

Portfolio


  • Ton roulette bot

    Bot Development
    Every user can play this roulette game and get Ton.
    I built this game from the scratch using Sveltkit.js and Supabase.
    You can play anytime.
    Thanks.
  • Order management service

    Website Development
    I developed a full-stack order management system designed for order businesses, built with Next.js, Nest.js, and MySQL. The platform allows restaurants and order service providers to manage orders efficiently, track inventory, and streamline daily operations.

    = Key Features:

    * Built with Next.js for a fast, responsive front-end experience
    * Nest.js back-end with modular and scalable architecture
    * MySQL database for reliable and structured data management
    * Order creation, tracking, and real-time status updates
    * Inventory and food management system with role-based access
    * Secure authentication and authorization for admin and staff users

    = My Role:

    * Implemented the front-end with Next.js
    * Developed and optimized the back-end API with Nest.js
    * Created and maintained the database schema in MySQL
    * Ensured responsive design, data security, and system scalability

    = Result:
    Delivered a robust, user-friendly food order management platform that helps businesses improve efficiency, reduce errors, and manage orders seamlessly. This project highlights my full-stack development skills and ability to build practical, scalable solutions for real-world use cases.
  • Healthy care service

    AI Consulting
    I developed a modern healthcare website using React.js and integrated the ChatGPT API to provide an intelligent, AI-powered virtual assistant for users. The platform offers personalized health-related support, informative content, and a smooth user experience across devices.

    = Key Features:

    * AI chatbot powered by ChatGPT API for answering health-related questions
    * Developed with React.js for a fast, responsive, and interactive interface
    * Blog and articles section for wellness and medical information
    * Appointment booking system and secure contact forms
    * Fully responsive design optimized for mobile, tablet, and desktop

    = My Role:

    * Designed and implemented the front-end using React.js.
    * Integrated ChatGPT API and other AI tools for intelligent responses
    * Built secure and scalable back-end functionality
    * Optimized performance, SEO, and cross-platform compatibility

    = Result:
    Successfully delivered a user-friendly healthcare platform that combines React.js development skills with AI integration (ChatGPT API), showcasing my ability to build innovative and reliable digital health solutions.

Activity

  Latest proposals 10
Need a programmer with design skills to create a landing page.
113 USD
I am looking for a person who is knowledgeable in creating and improving landing pages. It is necessary to update the current
113 USD
I am looking for a no-code / low-code specialist who will build a working MVP of a digital product in 7–10 days.
1371 USD
Front-End developer for the web application AI Interview Helper (Next.js, Tailwind, shadcn)
700 USD
Finalize the output file of the website
338 USD
Integration of Dialogflow CX with WhatsApp via the official Meta Cloud API
338 USD
Development of a bot for automatic purchasing of goods (Python / Playwright)
226 USD
Adspower Browser Automation
451 USD
Website development based on design in WordPress and Elementor Pro
207 USD
TG chat-bot - in the group, it sends a greeting with text to each new member, and deletes this message after 10 seconds.
18 USD