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Backend-розробник
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Backend NodeJS Developer
Passionate Node.js Developer specializing in building scalable and high-performance backend systems using NestJS and Express.
Experienced in designing and implementing RESTful APIs. Proficient in TypeScript, database management (MySQL, MongoDB, Redis),
and experienced with Docker and cloud platforms such as AWS. Strong advocate of clean code, SOLID principles, and best practices in
backend development. Dedicated to optimizing performance, security, and maintainability while delivering robust and efficient
solutions.
EDUCATION
[
Software Engineering
Software engineer National Technical University of Ukraine 'Kyiv
[
09/2022 - 06/2026,
Berestyn (Krasnograd),
Ukraine
WORK EXPERIENCE
github.com/f1lsterz
NodeJS Developer
Pet projects
SKILLS 11/2024 - Present,
Responsibilities
Typescript Nest Implemented JWT-based authentication with role-based access control (RBAC) for multi-user
systems (e.g., staff, managers, guests).
SQL Rabbit Developed scalable and modular backend architectures using NestJS and Express,
implementing RESTful APIs with robust error handling and input validation.
Mongo Redis Integrated databases using ORM`s , implementing complex relations, transactions, and query
optimization for high-volume data operations.
Wrote unit and integration tests with Jest to validate business logic and API behavior.
Docker Express
Used Swagger to generate and maintain API documentation for frontend integration and
developer collaboration.
Prisma npm Integrated Redis for caching frequently requested data, improving API response time and
reducing database load.
Postman Swagger Dockerized backend services and configured docker-compose for local development, testing,
and deployment environments.
Git AWS
REST API PERSONAL PROJECTS
Book Buddy
Microservices NestJS backend for an online book library built with a microservices architecture. It uses RabbitMQ for
inter-service communication and MongoDB as the database. The system supports user authentication,
book management, and community features, focusing on scalability and maintainability.
Link: https://github.com/f1lsterz/BookBuddyV2
LANGUAGES Deli/BerestFast
Built as a backend service for a food-products ordering platform, this NestJS-powered application ensures
seamless order processing, menu management, and user authentication. Designed with scalability in mind,
Ukrainian
it leverages MySQL for structured data storage and integrates real-time order tracking using WebSockets.
C1
Link: https://github.com/f1lsterz/BerestFast/tree/development/server
English
B2
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