Олександр

Oleksandr Shtohryn
Python Backend Developer | Ivano-Frankivsk, Ukraine | [open contact info](look above in the "contact info" section) |
[open contact info](look above in the "contact info" section) | FreelanceHunt (Top 100 Python)

Professional Summary

Python Developer with 5+ years of experience in backend development, real-time systems,
automation, and data engineering. Proficient in designing scalable architectures, deploying
applications on Linux servers with Docker, and integrating secure APIs using Flask and
FastAPI. Experienced in blockchain automation, AI systems, and WebSocket-powered
platforms.

Work Experience

Freelance Developer (May 2020 - Present)

• Designed and deployed WebSocket servers for online multiplayer games, ensuring
real-time communication with minimal latency and scalable broadcasting logic, handling
10K+ connections with Redis pub/sub model and async architecture.
• Developed backend and architecture for perevozka.global using Flask + PostgreSQL,
supporting logistics operations and admin panel control; fully dockerized and deployed on
VPS.
• Created backend assistant tool for ITG company for logistics: document parsing,
automated calculations, analytics using Pandas; includes deployment and server
automation.
• Implemented scalable REST APIs with JWT-based auth, rate limiting, and logging.

Personal / Freelance Projects

• Built an AI-based Instagram photo analyzer to detect engagement metrics and
automate post filtering via CV and machine learning models.
• Cryptocurrency monitoring tools for blockchain automation with secure transactions.
• Advanced data parsers and automated dashboards for analytics.
Technical Skills

• Python (5+ years) • JWT, OAuth, Cookies
• Flask, FastAPI, Django (2.5+ yr) • Data Analysis (Pandas, NumPy)
• PostgreSQL, MySQL, Redis • Blockchain automation
• Docker, Git, Linux • WebSocket apps (asyncio, socket.io)
• Telegram bots • Automatization | Scrapping

Other Tools & Concepts

• Kafka, Elasticsearch, Kibana – understand how to use for scalable logging and monitoring
• CI/CD basics, building dev/stage/prod pipelines
• Architecture planning and project structuring (not enterprise level, but confident)

Soft Skills

Problem-solving | Attention to Detail | Fast Learner | Teamwork | Initiative

Education

• Ivano-Frankivsk National Technical University of Oil and Gas – Software Engineering
(Master's, ongoing)
• Lviv Polytechnic National University – Computer Science, SAPR (Bachelor’s)