# Maciej Marzęta - Software Engineer

> Senior Software Engineer specializing in Python, FastAPI, and scalable backend solutions. Backend Team Leader with 9+ years of experience building high-performance APIs and backend systems.

## About

Maciej Marzęta is a Backend Team Leader at a leading unicorn tech company and a Python expert. He runs M3L Software (https://m3lsoftware.com), a smart software agency helping businesses build robust, scalable solutions. He is a PyCon Italy conference speaker (2023, 2024) and technical blogger.

- Email: contact@marzeta.pl
- Website: https://marzeta.pl
- Blog: https://blog.marzeta.pl
- Agency: https://m3lsoftware.com

## Services

- **Custom Backend Solutions**: Tailor-made backend systems designed to meet unique business needs and scale with growth.
- **API Development**: Robust, scalable APIs and seamless third-party integrations that power applications.
- **CI/CD Setup**: Streamlined development workflows via automation for faster and safer deployments.
- **Performance Optimization**: Enhanced application speed and resource efficiency for better user experience.
- **Codebase Audits**: Comprehensive code reviews and refactoring to improve quality and maintainability.
- **Team Training**: Custom training programs and mentorship in Python and backend best practices.

## Tech Stack

### Backend Technologies
- Python (primary language)
- FastAPI (high-performance APIs)
- Django (comprehensive web framework)
- FastStream (event-driven microservices)
- Go (concurrent system programming)

### Data Management
- PostgreSQL
- MongoDB
- AWS Aurora
- Redis

### DevOps & Cloud
- Docker & Kubernetes
- Terraform
- CI/CD (GitHub Actions, GitLab CI, ArgoCD)
- Observability (Prometheus, Grafana, OpenTelemetry)

## Conference Talks

- **PyCon Italy 2024**: "FastAPI: Hitting the Performance Jackpot" - A deep dive into FastAPI's performance characteristics and optimization techniques.
- **PyCon Italy 2023**: "PEP8: How to avoid being a Python Hooligan" - An entertaining talk about Python code style and best practices.

## Industry Solutions

- [For Startups](https://marzeta.pl/for/startups/)
- [For SaaS](https://marzeta.pl/for/saas/)
- [For Fintech](https://marzeta.pl/for/fintech/)
- [For E-commerce](https://marzeta.pl/for/ecommerce/)
- [For Enterprises](https://marzeta.pl/for/enterprises/)

## Resources

- [Backend Development Glossary](https://marzeta.pl/glossary/) - Clear, practical definitions of backend development concepts, tools, and technologies.
- [Technology Comparisons](https://marzeta.pl/compare/) - Honest, experience-based comparisons of backend frameworks, databases, and tools.
- [Best Backend Tools](https://marzeta.pl/best/) - Curated lists of the best tools, frameworks, and libraries for backend development.

## Sitemap

Full sitemap available at: https://marzeta.pl/sitemap.xml