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Illia Oboronov
Node.js Backend Engineer
[відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація») Germany

Seasoned backend developer with 3 years of Professional Experience
commercial experience building scalable,
high-performance web services using Node.js, Insiders, Junior Node.js Developer
NestJS, and Express. Proficient in designing 06/2023 – 06/2025 | Lviv, Ukraine
RESTful and GraphQL APIs, managing data with
Built and maintained backend services using
•

PostgreSQL, MongoDB, Prisma ORM, and TypeORM.
Node.js (NestJS, Express.js)
Skilled in Dockerized development, CI/ CD
Designed and developed REST APIs for core
•

workflows, and implementing clean,
product features
maintainable architecture patterns.
Integrated PostgreSQL and MongoDB, optimized
•

Comfortable working in Agile environments
queries and data access
(Scrum) and collaborating closely with
Worked with microservices architecture and
•

frontend teams to deliver end-to-end product
asynchronous communication via RabbitMQ
features efficiently and reliably.
Implemented authentication and authorization
•

(JWT, OAuth 2.0)
Projects
Configured CI/
• CD pipelines and deployed
services to AWS EC2 using Docker
Sonatico
Collaborated with frontend teams to deliver
Implemented JWT-based authentication flow
•

end-to-end features
•

•Built real-time chat using WebSockets and
WebRTC NLTDev, Middle Node.js Engineer
•Developed user profile and API endpoints 07/2025 – 02/2026 | Remote
Motorentals Maintained and supported production backend
•

•Developed an admin panel for document services built with Node.js (NestJS)
verification process Designed and extended REST APIs, improving
•

•Designed document workflow using State, performance and reliability
Strategy, Observer patterns Optimized SQL queries and database
•

•Improved maintainability of business logic interactions, reducing HTTP request time
from 10 minutes to 20 seconds
UDK-ECOM, Mobile application Implemented background job processing using
•

•Maintained and extended large-scale backend BullMQ and Redis
system Integrated third-party APIs (including
•

•Optimized SQL queries to improve performance payment, messaging, and CRM systems)
•Implemented RBAC and third-party APIs Ensured secure authentication and
•

integrations authorization flows (JWT, RBAC)
•Improved synchronization efficiency and
reduced processing time

Skills

REST API GraphQL TypeScript JavaScript Node.js NestJS Express.js

SQL/NoSQL Redis Postgres MongoDB Prisma ORM TypeORM Docker Git

CI/CD AWS WebSockets JWT/Auth RabbitMQ BullMQ JWT WebRTC

OAuth 2.0

Education Languages

Bachelor of Computer Science, Ukrainian | English
National University Lviv Polytechnic
09/2021 – 06/2025 | Lviv, Ukraine

Illia Oboronov [відкрити контакти](див. вище в блоці «контактна інформація»)