Олександр

Back end програміст

Considering positions:: Back end програміст, Fullstack-розробник, Full stack програміст
Age:: 21 years
City of residence:: Odesa
Ready to work:: Odesa, Remote

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Oleksandr Yaroshchuk
Full-Stack Developer
(look above in the "contact info" section)| Telegram | Odesa, Ukraine | LinkedIn | GitHub

Full-Stack Developer proficient in building scalable and efficient server-side applications using
Node.js, Express, and modern frameworks, with a strong foundation in API development,
database design, and performance optimization strategies.

SKILLS
● Languages: JavaScript, TypeScript, HTML, CSS, SQL
● Backend: Node.js, Express, Prisma, GraphQL, REST API, Socket.io
● Frontend: React, Vite, Tailwind CSS
● Database: MongoDB, PostgreSQL, MySQL (basic)
● Tools: Git, GitHub, Postman, Figma, Docker
● English: Intermediate

PROJECTS
● ChatApp | React, TypeScript, Vite, Node.js, Express, GraphQL, Apollo, Prisma, PostgreSQL,
WebSockets, WebRTC
○ Developed a modern web application for real-time messaging and media communication.
○ Implemented user registration and authentication (token-based), private and group chats
via WebSockets, audio and video calls using WebRTC, message history storage (Prisma
ORM), search across chats and users.
○ The interface is fully responsive and optimized for desktop, tablet, and mobile devices.

● Taxi App Service | React, Node.js, Express, PostgreSQL, Google Maps API
○ Developed a full-featured web application for clients and drivers.
○ Implemented email/Google authentication, taxi booking with tariff and time selection,
real-time driver tracking on the map, profile editing, and ride history.
○ The backend handles orders, routing, authentication, and integrates with mapping APIs
(Google Maps / OpenStreetMap).

● Website Builder | React, GrapesJS, Zustand, Node.js, Express, MongoDB, Amazon S3
○ Сollaborated with a front-end developer.
○ Сonfigured the backend and implemented saving and loading of projects both locally and
via MongoDB Atlas.
○ Integrated Amazon S3 for storing user-uploaded assets and media files, ensuring
scalability and reliability.

EDUCATION
Bachelor of Software Engineering | State University of Intellectual Technologies and
Telecommunications (2023 – 2025)

Junior Specialist (Junior Bachelor) in Computer Engineering | Odesa Vocational College of
Computer Technologies (2019 – 2023)

Олександр

Back end програміст

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