Яна

BACKEND DEVELOPER
YANA
KARACHUN
I am characterized by high work capacity, readiness for an intensive work schedule, and the ability to
quickly master new technologies.

SKILLS
Languages: JavaScript, TypeScript API & Real-time: RESTful API,
Backend & Frameworks: Node.js, Swagger, Socket.io, RxJS
NestJS, Express.js, Koa.js Tools: Docker, Git , GitHub ,
Databases & Caching: PostgreSQL, Postman , Electron.js
MySQL, MongoDB, Redis ORM: Sequelize, Mongoose,
Security & Auth: JWT, bcrypt Prisma

EDUCATION EXPERIENCE

LVIV POLYTECHNIC EVENTS API (NESTJS/TYPESCRIPT)
NATIONAL UNIVERSITY Developed a scalable RESTful API for an event
Specialty: software management platform using NestJS, TypeScript, and
engineering Prisma/PostgreSQL. Integrated JWT for secure
2024 - present authentication, Redis for high-performance caching,
COURSE ADVANCED and Swagger for automated documentation.
BACKEND WITH
SPACE COLONY BROWSER MINI GAME
NODE.JS
(EXPRESS/JAVASCRIPT)
Softserve Academy
Developed a complex simulation engine for a space
November 2025 - February colony management game using Express.js and
2026
TypeScript. Implemented intricate game logic including
resource allocation, colonist state management, and
automated event triggers. Optimized data persistence
with MySQL and engineered a robust error-handling
[відкрити контакти](див. вище в блоці «контактна інформація») middleware to ensure system stability.
[відкрити контакти](див. вище в блоці «контактна інформація»)
REAL-TIME CHAT SERVICE (NESTJS/MONGODB)
Linkedin: Developed a high-concurrency messaging platform
https://www.linkedin.co using Socket.io and NestJS for real-time
m/in/yana-karachun- bidirectional communication. Optimized message
549484357/ persistence with MongoDB/Mongoose and
implemented Redis Pub/Sub for horizontal scaling.
Leveraged RxJS to manage complex event streams
and integrated JWT for secure, private channel
access.