Олександр

Rubashanov Oleksandr
Date of birth: 12 Sep 2001
Location: Kremenchuk
Relocation: -
Phone number(s): [открыть контакты](см. выше в блоке «контактная информация»)
E-mail: [открыть контакты](см. выше в блоке «контактная информация»)

Portolio: https://github.com/DataSamuraii
https://github.com/SolidSamuraii
Social Networks: t.me/rubiick

Middle Python Developer

Summary

Git, GitHub, Python, MySQL, PostgreSQL, REST, RESTful APIs, FastAPI, SQLModel, Django,
Django Rest Framework, Flask, Flask RESTx, Docker, Docker Compose, NGINX, SSL
Certificates, AWS EC2, AWS ECS, OOP, Celery, Redis, Web Scraping, BeautifulSoup, Scrapy,
Py-telegram-bot-api, Telethon, PyArmor, CI/CD, Microservices, JWT, OAuth2, Swagger, OpenAPI,
WebSockets, Prompt Engineering, LangChain, Langgraph

Experience

Middle Python Developer
Aug 2025 - present time (7 months)
JoinToIT
• Engineered a co-parenting AI agent using LangChain & LangGraph for the US market;
• Built scalable APIs for a US security CRM, a copywriting platform, and a mental health mobile
app;
• Delivered complex outsourced solutions directly for English-speaking US clients;

Python Backend developer
May 2025 - Aug 2025 (4 months)
Freelancer
• Developed custom Python scripts and lightweight backend services for private clients;
• Provided ongoing backend support and feature updates for legacy projects from SolidWay;

Python Developer
Dec 2023 - May 2025 (1 year 6 months)
SolidWay
• Engineered web crawlers processing 7M+ products and a custom SaaS panel managing 1500+
threads.
• Built RESTful APIs and admin panels using Django, FastAPI, and Flask.
• Developed advanced Telegram bots (Telethon, py-telegram-bot-api) with Stripe and Crypto
payment integrations.
• Orchestrated deployments using Docker, AWS (EC2/ECS), and NGINX with automated SSL
management.
 • Deployed applications to AWS EC2, ECS, and other cloud platforms.
• Acted as Technical Lead, guiding project architecture and mentoring team members.

R&D engineer
Mar 2023 - Aug 2023 (6 months)
Margulan.info
• Focused on OpenAI API integration, prompt engineering, and AI-driven automation
• Managed microservice uptime and health checks for a fleet of Telegram bots

Customer support representative
May 2020 - Dec 2022 (2 years 8 months)
Zone 3000
• Pre-sales advise and assistance with certificate selection
• SSL certificates installation, communication with US certificate authorities
• General information about security issues, domains, hosting servers.
• In-depth knowledge of Apache, Nginx, and IIS10 web-servers, cPanel hosting panel, SSH,
Trello

Education

Karazin Kharkiv National University
End date 2024
Faculty of Foreign Languages, English and German translator

Karazin Kharkiv National University
End date 2022
Faculty of Foreign Languages, English and German translator

Language skills

English - advanced
Ukrainian - native