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al3xandermak

Aleksandr M.

@al3xandermak

DevOps, Linux System Administrator, AI Developer

Russia
Russian
About me
I am a DevOps and Linux System Administrator with 1–3 years of hands-on experience in Linux administration and self-hosted infrastructure. I specialize in containers, reverse proxies, and automation using Python and n8n. I have a proven track record of building distributed server infrastructures and managing secure, scalable web environments.... Read more

Skills

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al3xandermak
Aleksandr M.
Offline • 

See my services

DevOps Containerization
I will deploy and configure docker containers on your vps
From$15 / projectMore details

Work experience

VPN

🗽 LibreGate Founder & Developer

VPN • Part-time

Jan 2025 - Present • 1 yr 9 mos

Designed, developed, deployed and maintained LibreGate VPN, a self-hosted VPN service with automated subscription management, Telegram bot integration, and distributed server infrastructure. Built and maintained the service infrastructure on Linux-based VPS servers. • Deployed and managed containerized applications using Docker, Docker Compose, Docker Swarm, and Dokploy. • Configured and maintained reverse proxies using Nginx and Traefik, including HTTPS/TLS certificates, domain routing, and DNS management. • Integrated a Telegram bot for user registration, subscription management, payments, and automated VPN access delivery. • Worked with VPN server configurations, connectivity troubleshooting, and service availability. • Configured secure remote administration using SSH, NetBird, private networking, and access control rules. • Managed PostgreSQL, Redis, and SQLite databases for application services. • Implemented service monitoring and availability checks using Beszel and Kener. • Automated operational tasks and integrated services using Python, REST APIs and n8n. • Troubleshoot infrastructure issues, analyzed application and container logs, and maintained service operations. • Managed domain configurations, DNS migrations, and integrations with external APIs and Cloudflare.

freelance

Freelance Developer & IT Specialist

freelance • Freelance

Jan 2022 - Present • 4 yrs 9 mos

Delivered end-to-end IT solutions including web development, Linux server administration, and business process automation. Deployed production infrastructure using Docker and Traefik. Developed custom Telegram bots and backend integrations using Python. Optimized website performance, managed DNS configurations, and provided systematic troubleshooting for Linux servers and databases.