Денис

Denys Ivshyn

SUMMARY
Results-driven Python Developer with 1.5+ years of commercial Python experience, specializing
in Python backend development. Proven ability in architecting, developing, and deploying
scalable backend services, with a strong understanding of REST API principles and client-server
interaction. Proficient in Python, Django, FastAPI, PostgreSQL, Docker, and Git, with an
understanding of Linux. Motivated for professional development and continuous learning, eager
to contribute to international teams and modern technology stacks. Possesses confident
knowledge of PostgreSQL, and basic Docker experience along with basic Git experience.

TECHNICAL SKILLS
• Programming & Backend: Python, Django, FastAPI, REST API creation, REST API integration,
PostgreSQL, Redis, Celery, JWT, Python backend development
• Development Practices: Service performance optimization, Service stability optimization, Clean
code writing, Maintainable code writing, Code review, Technical discussions, Microservice
architecture development (contributing to scalable backend architecture), Unit Testing, API
Design, Backend Architecture, Caching Strategies, Client-server interaction
• Version Control & Collaboration: Git, GitHub, Git workflow, Frontend team collaboration,
DevOps team collaboration
• Operating Systems: Understanding of Linux
• Tools: Docker, Microsoft Office Suite, Microsoft Teams, Slack

Professional Experience

Co-Founder & Backend/Python Developer | Virel Solutions (AI-powered SaaS Platform)
2026 – Present
• Co-founded an AI-powered SaaS platform, leading Python backend development using Django,
DRF, and PostgreSQL.
• Architected scalable REST APIs, authentication systems, and a performance-focused backend
architecture.
• Designed and implemented AI-driven resume analysis and optimization workflows.
• Contributed to product strategy and UX decisions, fostering Frontend team collaboration.
• Managed the full product lifecycle from idea to live release, impacting user engagement and
conversion rates.

Backend Developer | Burnout Risk Tracker (Remote Self-Project in International Team)
Feb 2026 - Present
• Designed and developed a backend system for employee burnout risk monitoring using Python,
Django, and Django REST Framework.
• Implemented robust JWT authentication and RBAC with permission-based access control.
• Built a flexible survey engine with versioned templates for HR management.
• Developed analytics services calculating dimension scores and a Burnout Index, demonstrating
Service performance optimization through Redis caching and PostgreSQL query optimization.
• Designed scalable REST APIs for various dashboard levels (employee, team, company).
• Ensured system reliability by adding unit tests for analytics algorithms and edge cases,
adhering to best practices for clean code writing and maintainable code writing.
• Containerized the backend using Docker, streamlining deployment and enabling DevOps team
collaboration.

Backend Developer | UtilityFlow (Remote Self-Project in International Team)
Dec 2025 - Feb 2026
• Developed a backend system for managing utility services, implementing REST APIs using
FastAPI and Django.
• Designed PostgreSQL database models for utility consumption and payment records.
• Containerized the application with Docker for consistent development and deployment
environments.
• Collaborated with an international team using Git workflow, actively participating in code
review and technical discussions.
• Optimized database queries and API responses, significantly improving data processing
performance.

Independent Learning
2024 - Present
• Intensively studied Python backend development, focusing on Django, FastAPI, and REST API
architecture, demonstrating a strong motivation for professional development.
• Gained practical experience in REST API creation, API design, database modeling, and system
architecture.
• Developed expertise with PostgreSQL, Redis, and Docker, learning to design scalable and
maintainable backend services.
• Practiced Git-based development workflow, including branching, pull requests, and code
review.
• Focused on continuous learning, problem solving, backend architecture, and service
performance optimization.

EDUCATION
Bachelor’s degree/ Management in Tourism | University of Alexander Dubček, Trenčin, Slovakia
Sep 2025 - Present

Certifications & Awards
Google IT Automation with Python Specialization — Google | Issued Mar 2026
• Key Learnings: Python, Git, Bash, Debugging, Infrastructure as Code, Cloud Services.
Automating Real-World Tasks with Python — Google | Issued Mar 2026
• Key Learnings: Python scripting for automation, Web Services, RESTful APIs, System
monitoring.
Configuration Management and the Cloud — Google | Issued Mar 2026
• Key Learnings: Configuration management, Cloud services, Infrastructure as Code, Scalability.
Troubleshooting and Debugging Techniques — Google | Issued Mar 2026
• Key Learnings: Troubleshooting, Debugging, Understanding of Linux, System monitoring.
Introduction to Git and GitHub — Google | Issued Mar 2026
• Key Learnings: Git, GitHub, Version control, Code review, Linux environment.
Using Python to Interact with the Operating System — Google | Issued Mar 2026
• Key Learnings: Python for OS interaction, Bash, Linux, Automation tasks.
Crash Course on Python — Google | Issued Feb 2025