Linux & Systems
Enterprise OS administration, kernel security, systemd daemons, and automated RAID storage.
RHEL
Ubuntu Server
Debian
systemd
Software & Application
Engineer
Building full-stack Web Applications, native Android Apps (Kotlin), and Windows Desktop Software, supported by enterprise Linux systems, AI automation, and private cloud infrastructure.
$
inspect-stack --target=apps
Developer: Vikram Singh [Mr. Linux]
Web Apps: React, Next.js, Node.js, TypeScript
Mobile Apps: Android Native (Kotlin), Android SDK
Desktop Apps: Windows Desktop, C++, Python
Automation & QA: Playwright E2E, Pytest, AI Agents
Infrastructure: Enterprise Linux, Proxmox, Zero-Trust
3
Platforms
Web · Android · Windows
35+
Toolchains
Full-Stack Ecosystem
AI
Automation
Agentic Workflows
Linux
Core Systems
Private Cloud & OS
Core Competencies
Virtualization & Cloud
Hypervisor clustering, VM and LXC orchestration, disaster recovery drills, and bare-metal compute.
Proxmox VE
VMware ESXi
KVM
TrueNAS
Edge Security & Zero Trust
Perimeter firewalls, reverse proxies with automated TLS, and encrypted VPN meshes.
pfSense
OPNsense
Cloudflare WAF
WireGuard
Software Engineering
Native Android and Windows client apps, full-stack web platforms, and REST and GraphQL APIs.
Android Kotlin
Windows Apps
React
Node.js
AI & Automation
Intelligent automation agents, background daemons, and end-to-end regression pipelines.
Python
Golang
Playwright E2E
CI/CD
Data & Observability
High-throughput databases, caching, and unified metric telemetry with precision alerting.
PostgreSQL
Redis
Zabbix
Prometheus
Technology Ecosystem
Systems & Virtualization
RHEL
Ubuntu Server
Debian
Proxmox VE
VMware ESXi
KVM
TrueNAS
Networking & Security
Cloudflare Zero Trust
pfSense
OPNsense
Sophos XG
WireGuard
OpenVPN
Tailscale
Nginx
Traefik
Languages & Frameworks
Python 3
Golang
C++
Rust
TypeScript
React / Next.js
Node.js
Bash / PowerShell
Apps & QA Automation
Android (Kotlin)
Windows Desktop
Playwright E2E
Pytest
Postman
Databases & In-Memory
PostgreSQL
MySQL
Oracle DB
SQLite
Redis
Apache Solr
Observability & CI/CD
Zabbix
Checkmk
Prometheus
Grafana
GitHub Actions
GitLab CI
Engineering Telemetry
GitHub Activity & Contributions
Verified contributions on @mrlinux-in
Engineering Principles
-
Deterministic Automation
AI workflows, declarative configs, and zero manual operational drift.
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Zero Trust Perimeter
Encrypted mesh tunnels, strict segmentation, and no exposed ports.
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Deep Production Observability
Actionable telemetry and metric alerts over noisy alarms.