Антон

Zhyzhkunets Anton
Python developer

Ukraine, Dnipro
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Summary
5+ years of Django in production - REST APIs, Celery pipelines, PostgreSQL
optimization. Worked across agencies and product companies, from greenfield projects
to legacy refactors. Comfortable owning backend features end-to-end: schema design,
API contracts, background processing, code reviews. Currently expanding into async
Python and FastAPI.

Technical skills
• Backend: Python, Django, DRF, Celery, Сhannels
• Databases: PostgreSQL, MySQL
• DevOps: Docker, Nginx, Gunicorn, Linux, macOS
• APIs & Protocols: REST, HTTP/HTTPS, WebSocket
• Clouds: AWS EC2, AWS S3
• Testing: pytest, unittest, integration tests
• Tools: Git, Postman, Swagger, Sentry
• Workflow: Agile (Scrum, Kanban).
Work experience
Python/Django developer
GrandSoft (October 2024 - now)
• Supporting, extending and optimizing production Django applications in a Kanban
workflow
• Conducting task estimations and contributing to stable, predictable delivery.

Python/Django developer
xGroup - Apps and Web Development (September 2022 - October 2024)
• Led backend development for new REST API products built from scratch, working in
a tight team of 2-3 developers
• Resolved critical performance bottleneck by offloading heavy logic to a separate
high-core service - main application CPU usage dropped from ~100% to normal
under concurrent load
• Took ownership of backend decisions with direct collaboration with the product
owner.

Python/Django developer
KeyUA - Software Development Company (October 2020 - September 2022)
• Developed full-stack features across multiple client projects - Django backend with
occasional JS/HTML/CSS/jQuery frontend work
• Built greenfield projects from scratch as well as maintained and refactored legacy
codebases; optimized database queries and application performance
• Mentored junior developers, conducted code reviews, and participated in task
estimation
• Wrote unit and integration tests; contributed to technical documentation
• Worked in both Scrum and Waterfall environments across on-site and remote
settings.
Python/Django developer
AttractGroup ─ Outsource web development & programming (November 2019 -
September 2020)
• Joined as a junior developer; onboarded into professional Django development
under senior mentorship
• Contributed bug fixes and incremental features to existing production projects
• Gained hands-on experience with codebase navigation, debugging, and Git
workflow in a team environment.

Education
Dnipro University of Technology
Bachelor of Software Engineering.

Languages
• English - Intermediate
• Ukrainian - Native
• Russian - Fluent.