# What I do, ecosystem by ecosystem

> PHP, backend systems, Go, Python and JavaScript — what I build in each ecosystem, how I build it, and the evidence.

- Source: https://www.muhammetsafak.com.tr/en/expertise/
- Language: en-US
- Author: Muhammet Şafak

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### PHP Developer

- A PHP developer since 2008 — work shipped on Laravel, Symfony and CodeIgniter, framework-free libraries, and how I actually pick a framework.
- Since: 2008
- Posts: 88
- Projects: 5
- Technologies: Laravel, Symfony, CodeIgniter, Composer, PHPUnit, Pest, Redis, MySQL, RabbitMQ
- https://www.muhammetsafak.com.tr/en/expertise/php/
- Markdown: https://www.muhammetsafak.com.tr/en/expertise/php.md

### Backend Developer

- What I do behind the API — contracts first, delivery guarantees that queues do not give you, and index decisions made by measurement.
- Since: 2010
- Posts: 26
- Projects: 3
- Technologies: RabbitMQ, Redis, PostgreSQL, MySQL, Elasticsearch, Docker, nginx, GitHub Actions
- https://www.muhammetsafak.com.tr/en/expertise/backend/
- Markdown: https://www.muhammetsafak.com.tr/en/expertise/backend.md

### Go Developer

- What I build in Go — microservices, queue consumers, HTTP APIs and command-line tools, and why I pick Go for that kind of work.
- Since: 2018
- Posts: 19
- Projects: 4
- Technologies: Cobra, go-git, Goreleaser, Gin, Fiber
- https://www.muhammetsafak.com.tr/en/expertise/go/
- Markdown: https://www.muhammetsafak.com.tr/en/expertise/go.md

### JavaScript Developer

- Feeding web and mobile from one API — React Native apps in the stores, contracts carried by TypeScript, and a toolchain that keeps changing.
- Since: 2008
- Posts: 39
- Projects: 6
- Technologies: TypeScript, React, React Native, Expo, Vite, Tailwind CSS, Node.js
- https://www.muhammetsafak.com.tr/en/expertise/javascript/
- Markdown: https://www.muhammetsafak.com.tr/en/expertise/javascript.md

### Python Developer

- Where I use Python and where I do not — scripting, data wrangling, tooling, and the claims I decline to make.
- Since: 2014
- Posts: 7
- Projects: 1
- Technologies: Python
- https://www.muhammetsafak.com.tr/en/expertise/python/
- Markdown: https://www.muhammetsafak.com.tr/en/expertise/python.md