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cdromagnoli

Daniel R.

@cdromagnoli

Linux SysAdmin Backend Infrastructure Engineer

Spain
English, Spanish
About me
Hi, I'm Daniel, a Systems Administrator & Backend Engineer specializing in Linux servers, virtualization, and web infrastructure. I diagnose and fix critical server issues, optimize performance, and deploy secure environments: • Fix 500/502/504 errors, crashed services & broken SSL/TLS. • Nginx, Apache & Nginx Proxy Manager setup and tuning. • Proxmox VE, LXC & Docker Compose deployments. • PHP-FPM pool tuning & MySQL/MariaDB optimization. Fast diagnosis, clean configs, and transparent communication.... Read more

Skills

c
cdromagnoli
Daniel R.
Offline • 

See my services

Server Administration
I will fix linux server, nginx, 502 bad gateway and SSL errors
From$15 / projectMore details
DevOps Containerization
I will deploy and configure your docker web app on linux vps
From$20 / projectMore details

Work experience

Upwork_/ Freelance Client Projects

Full-Stack & Backend Developer

Upwork / Freelance Client Projects

Mar 2023 - Present • 3 yrs 7 mos

Engineered cloud backend platforms and APIs using PHP, MariaDB, Python, and FastAPI. Integrated payment gateways, asynchronous queues, and automated data pipelines. Implemented container deployment automation and real-time communication modules.

Independent_/ Freelance

Systems Administrator & Infrastructure Engineer

Independent / Freelance

Dec 2020 - Present • 5 yrs 10 mos

Managed production Linux environments, Proxmox VE virtualization, and LXC/Docker containerized architectures. Configured Nginx reverse proxies, SSL/TLS certificates, and performance tuning for PHP-FPM and MySQL/MariaDB databases. Handled disaster recovery, system automation scripts, and server troubleshooting.