# Vikram Singh (Mr. Linux)

> Software and Application Engineer building full-stack Web applications, native Android apps, and Windows desktop software, supported by enterprise Linux systems and AI automation. Mr. Linux is the professional moniker and verified alias of Vikram Singh.

## Core Identity & Profiles
- [Official Website](https://mrlinux.in/): Canonical portfolio, systems architecture, and engineering platform.
- [Curriculum Vitae (PDF)](https://mrlinux.in/assets/resume/resume.pdf): Professional resume, engineering achievements, and technical credentials.
- [GitHub Profile](https://github.com/mrlinux-in): Open-source repositories, system daemons, automation tooling, and production workflows.
- [LinkedIn Profile](https://www.linkedin.com/in/mrlinux-in/): Professional employment history and engineering network.
- [Email](mailto:vikram@mrlinux.in): Direct verified communication channel (vikram@mrlinux.in) for software engineering roles, cloud operations, and consultations.

## Core Architectural Competencies
- [Software and Application Engineering](https://mrlinux.in/#competencies): Native Android client apps, Windows desktop software, modern full-stack web platforms, and REST/GraphQL APIs (Android Kotlin, Windows Desktop, React, Next.js, Node.js, TypeScript).
- [AI, Scripting and Automation](https://mrlinux.in/#competencies): Intelligent automation workflows, AI autonomous agents, system daemons, and end-to-end regression pipelines (Python, Go, C++, Rust, Playwright, Bash, PowerShell).
- [Linux and Systems Operations](https://mrlinux.in/#competencies): Enterprise OS administration, kernel security hardening, systemd service lifecycle orchestration, and automated storage/RAID provisioning (RHEL, Ubuntu Server, Debian).
- [Virtualization and Private Cloud](https://mrlinux.in/#competencies): Hypervisor clustering, VM and LXC orchestration, disaster recovery workflows, and bare-metal compute (Proxmox VE, VMware ESXi, vCenter, KVM, TrueNAS).
- [Edge Security and Networking](https://mrlinux.in/#competencies): Zero Trust network fabrics, perimeter firewalls, reverse proxies, and encrypted VPN meshes (pfSense, OPNsense, Sophos XG, Cloudflare WAF/Tunnels, WireGuard).
- [Databases and Observability](https://mrlinux.in/#competencies): High-throughput relational engines, in-memory caching, search indexing, and unified metric telemetry (PostgreSQL, MySQL, Oracle DB, SQLite, Redis, Apache Solr, Zabbix, Checkmk, Prometheus, Grafana).

## Optional
- [Production Toolchain Ecosystem](https://mrlinux.in/#stack): Inventory of production tools, hypervisors, security appliances, and developer frameworks.
- [Engineering Telemetry and Activity](https://mrlinux.in/#telemetry): Live lifetime GitHub activity metrics and operational engineering principles.