Олег

OLEH DMYTRUK
SOFTWARE ENGINEER
Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | GitHub | LinkedIn

SUMMARY & OBJECTIVE
Software Engineer with practical experience in Full-Stack Python and React development, database management, and asynchronous web
services. Familiar with microservice components, cloud integrations, and strict API design, with a strong focus on writing clean, well-tested
code and building reliable application architectures.

TECHNICAL SKILLS
Languages & Core: Python (3+, Typing, Asyncio), JavaScript/TypeScript, SQL (PostgreSQL, MySQL, TimescaleDB), C#.NET(8+)
Frameworks & ORMs: Django, Django REST Framework (DRF), FastAPI, React.js, SQLAlchemy, ASP.NET Core
Tools & Infrastructure: Docker, Docker Compose, AWS (S3), Redis, Apache Kafka, Git/GitHub/GitLab, Celery, Pytest
Methodologies: Microservices, Event-Driven Architecture, RESTful Services, Code Refactoring, SOLID, Agile/Scrum

EXPERIENCE
SoftServe Chernivtsi, Ukraine
Python Developer Intern - IoT & Data Pipelines Jan. 2026 - Apr. 2026
Contributed to the development of an event-driven IoT Hub MVP, ensuring seamless and scalable streaming data communication across
distributed microservices.
Integrated Apache Kafka as a message broker alongside Redis to handle asynchronous event processing and message routing, boosting
system data throughput by 20%.
Designed and enforced strict data validation contracts utilizing a comprehensive OpenAPI specification, eliminating integration mismatches
between distinct services.
Wrote clean, maintainable backend services and integrated SQLAlchemy ORM for efficient handling of relational and time-series database
operations.
Conducted structural refactoring of automated internal utilities following code quality best practices and comprehensive documentation
standards.
Gotoma Software House Remote (B2B Contractor)
Junior Full Stack Developer (Python / React) Mar. 2025 - Nov. 2025
Boosted overall database performance by 25% by resolving N+1 query issues and optimizing Django ORM queries with targeted
PostgreSQL indexes.
Reduced p99 API throughput latency by ~35ms during peak usage by implementing direct React-to-AWS S3 file uploads using presigned
URLs, bypassing heavy Django processes.
Designed and developed RESTful API endpoints for user authentication (JWT), course routing, and automated grading workflows.
Collaborated closely with the Frontend team to integrate React components with backend APIs, enhancing overall web application usability
and cross-domain code quality.
Covered core business logic with automated unit and integration tests (pytest), maintaining a stable test coverage threshold for critical
modules.

PROJECTS
GymBro - Fitness Tracking Platform Personal Project
Full-Stack Developer GitHub
Designed and engineered a modular backend with Django REST Framework tightly coupled with a React.js frontend environment.
Implemented strict user state tracking, token-based JWT authorization, and data schema validations to guarantee system integrity.
Fully containerized and isolated applications, event dependencies, and underlying databases using Docker Compose for local and staging
environments.

EDUCATION
Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine
Bachelor of Applied Mathematics Sept. 2022 - June 2026

LANGUAGES
English: Upper-Intermediate (B2) | Ukrainian: Native