Yevhenii Smyrnov

Python Software Engineer | Backend Developer

Łódź, Poland

Summary

Experienced developer skilled in all phases of advanced web
development. Proficient in API building, integration, testing, and
debugging processes. Expertise in maintenance, develop, testing, and
integration web systems. Possessing a diverse and promising skill set.

Languages:

English, Ukrainian

Favorite Python Packages:

FastAPI, SQLAlchemy, Alembic, Pydantic, httpx, asyncpg, redis-py, psycopg3, boto3, aioboto3, cloudinary, Celery, dramatiq, fastapi-events, asyncio, anyio, aiojobs, pytest, pytest-asyncio, factory_boy, coverage, pytest-cov, mypy, ruff, black, loguru, rich

Experience

- Python Backend Expertise: Built high-load backend systems for marketplaces, startups, and B2B/B2G platforms with clear service separation and robust APIs.

- Database Design & Optimization: Designed, maintained, and optimized PostgreSQL and MySQL databases for complex business processes and large datasets.

- API & System Integration: Integrated with third-party services (HubSpot, analytics, accessibility platforms) and internal systems to ensure reliable data exchange.

- Full-Stack Development: End-to-end development of web applications and mobile integrations, including modern JS/TS frameworks and admin panels.

- AI & Reporting Systems: Supported AI-generated PDF/Video reports and user analytics, automating reporting pipelines.

- Cloud & DevOps: Managed containerized environments, deployment, and infrastructure using Docker, Terraform, AWS, and GCP; ensured stable production operations.

- Startup & Agile Experience: Transformed requirements into production-ready solutions, contributed to product scaling, collaborated directly with Product Owners and clients.

- Team Leadership & Mentoring: Coordinated and mentored junior developers, documented processes, and supported QA and testing.

- Accessibility & B2B/B2G Solutions: Developed and scaled platforms for collecting and analyzing accessibility data, ensuring compliance with business/government standards.

- Automation & Internal Tools: Built back-office solutions for managing users, products, and internal services, increasing process efficiency.

Skills

Amazon Web Services (AWS), Celery, Django, Django REST Framework, Docker, FastAPI, Google Cloud Platform (GCP), Linux, MySQL, PostgreSQL, Pyramid, REST, RabbitMQ, Redis, Terraform