Андрей

🌐 More info on my portfolio website: saprland-12307.web.app

Sapryhin Andrii
📧 [open contact info](look above in the "contact info" section)
📱 [open contact info](look above in the "contact info" section)
🐙 GitHub · 💼 LinkedIn · ✈️ Telegram
📍 Odesa, Ukraine · Open to Remote

ABOUT ME
Python Backend Developer with 4+ years of hands-on experience building scalable
web applications and REST APIs. Specialized in FastAPI and Django, with strong
knowledge of PostgreSQL, async programming, and clean architecture principles
(SOLID, DDD). Full-Stack background with frontend experience (React, TypeScript,
HTML/CSS) — capable of building end-to-end features independently. Open to remote
collaboration; self-driven and proactive.
SKILLS
Backend Python, FastAPI, Django, Flask, asyncio, Celery, Pydantic
Databases PostgreSQL, MySQL, MongoDB, Redis, SQLite, SQLAlchemy,
Alembic
API Design REST API, OpenAPI/Swagger, GraphQL, WebSockets, gRPC
(basics)
Auth JWT, OAuth2, bcrypt, Authlib, API Keys
Testing pytest, unittest, httpx, Postman
Frontend React, TypeScript, HTML5, CSS3 (Full-Stack background)
DevOps Docker, Docker Compose, Gunicorn, uvicorn, GitHub Actions,
CI/CD, Linux, Nginx
AI & GitHub Copilot, ChatGPT, Gemini, Prompt Engineering, Workflow
Automation Automation
Languages English — B1-B2 (Intermediate / Upper-Intermediate)
EXPERIENCE
Python Backend Developer May 2022 — Present
Independent / Contract Projects

• Architected and developed scalable REST APIs with Python FastAPI and Django
REST Framework; implemented OpenAPI/Swagger documentation for all endpoints.
• Designed PostgreSQL schemas with SQLAlchemy ORM and managed database
migrations with Alembic; optimized slow queries and improved indexing strategies.
• Implemented async request handling with asyncio and background task processing
with Celery + Redis, improving overall throughput.
• Built JWT and OAuth2 authentication flows covering both token issuance and
refresh logic.
• Containerized services with Docker and Docker Compose; configured GitHub
Actions CI/CD pipelines for automated testing and deployment.
• Wrote unit and integration tests with pytest, achieving reliable coverage of critical
business logic.
• Leveraged AI tools (GitHub Copilot, ChatGPT) to accelerate development, automate
code review, and generate documentation.
PROJECTS
REST API (FastAPI + PostgreSQL)
High-performance REST API on FastAPI with PostgreSQL, Redis for caching, Pydantic
validation and automatic Swagger documentation generation.
Django Application
Web application on Django with PostgreSQL, Celery for background tasks, and REST API for
frontend integration.
EDUCATION
IT Step Academy, Odessa — Bachelor's Degree, Information Technology 2019 —
(with distinction) 2023

🌐 Portfolio: saprland-12307.web.app