Владислав

VLADYSLAV ZAMOTAILO
PYTHON BACKEND DEVELOPER

CONTACT PROFILE
Python backend developer specializing in Django and Django REST
[open contact info](look above in the "contact info" section) Framework. I build REST APIs on PostgreSQL, run background jobs with
[open contact info](look above in the "contact info" section) Celery and Redis, and integrate third-party services such as OAuth providers,
Firebase and Telegram. I take projects from an empty repository to
Ukraine, Uman
production and keep supporting them after launch. I write well-tested code
GitHub | LinkedIn | Telegram with docstrings and setup guides, so other developers can pick it up.

HARD SKILLS EXPERIENCE
Python Backend Developer
Backend: Python, Django, Django
ITLEO Academy Jan 2025 – Present
REST Framework, Celery, asyncio
Stack: Python, Django, DRF, PostgreSQL, Celery, Redis, aiogram, Firebase, Docker, Pytest
Databases: PostgreSQL, Redis, Django
LeoGame Academy, LMS platform
ORM
Built the LMS backend: groups, enrollment, lessons, homework
API & Auth: REST API, OpenAPI / review, exam grades and student progress
Swagger, JWT, OAuth 2.0, Google Built a REST API for a React frontend with Firebase Authentication
OAuth, Firebase Auth
Built two Telegram bots on aiogram: a public bot for booking demo
lessons and a staff bot with new-lead alerts, both feeding the admin
Integrations: Google Calendar API,
Integrated Google Calendar (OAuth 2.0, encrypted tokens)
Telegram Bot API (aiogram) 390+ automated tests
DevOps: Docker, Docker Compose, ITLEO Academy, admin system
Gunicorn, Linux, Git, GitHub Actions, Implemented role-based access for 5 roles, deny by default
Heroku
Automated PostgreSQL backups with restore checks
Deploy and maintain it on a VPS (Docker Compose, Gunicorn, SSL);
Testing & Quality: Pytest, Ruff fixed a production CSRF bug caused by the proxy sending the Origin
Frontend: HTML, CSS, JavaScript, header twice, and an SSL renewal failure caused by a misrouted
Bootstrap 5 ACME challenge
300+ automated tests
Familiar with: FastAPI, WordPress
AI tools: Claude Code, prompt PROJECTS
engineering VyshyvankaDaily GitHub link Live
Stack: Python, Django, PostgreSQL, HTML/CSS/JS, Google OAuth, Brevo,
LANGUAGES
Heroku, GitHub Actions, Pytest
Ukrainian (Native) Built and launched a bilingual (uk/en) web app with a daily ornament for
English - B1 (EF SET: reading each of Ukraine’s 27 regions, made by a deterministic SVG generator
& writing B2) Fixed a race condition in daily generation, added rate limiting and a strict
CSP; security headers A+, OWASP ZAP and StackHawk findings fixed
COURSES PageSpeed 100/100/100/100 (CSS cut from 31 KB to 7 KB); GitHub
Actions CI, daily backups, 300+ tests
Python Developer Added Sentry error monitoring, Google OAuth sign-in and email
CyberBionic Systematics verification via Brevo
(2025)
EDUCATION
Django Essential
ITVDN (2026) Bachelor's degree, Computer Science 2024 – 2028
Claude Code 101 Donetsk National University
Anthropic (2026)