Hemkumar

Hemkumar Software Engineer | Team Leader | DevOps & Systems Specialist

Core Specializations

Full-Stack DevelopmentReact · Next.js · Node.js

DevOps & Server AdminLinux VPS · NGINX · SSL

IoT & Firmware SystemsESP32 · Modbus RTU · C++

Technical Team LeadArchitecture & Sprints

Infrastructure & VPSLIVE

Server OS:Ubuntu Linux VPS

Web Server:NGINX Reverse Proxy

Process Mgr:PM2 Cluster Active

Domains & SSL:Certbot (Auto SSL)

Uptime Commitment:99.9% Production

Core Engineering Competencies

Skills & Technical Stack

4 Essential Domains · Verified Technologies Only

Full-Stack Development

Web & Microservices

React.js

92%

Next.js

90%

Node.js

90%

Express.js

88%

REST APIs & Endpoints

92%

JavaScript / TypeScript

94%

Tailwind CSS

94%

Key Technologies: 7CORE

Mobile & Databases

Apps & Data Persistence

React Native

86%

MongoDB

88%

SQLite

85%

Git & GitHub Workflow

92%

Postman API Suite

90%

Key Technologies: 5CORE

DevOps & Server Admin

VPS, Domains & Cloud

Linux VPS (Ubuntu)

92%

NGINX Reverse Proxy

90%

Domain & DNS Lifecycle

95%

SSL / TLS (Certbot)

94%

PM2 Process Clustering

92%

Key Technologies: 5CORE

IoT & Firmware Systems

Hardware & Protocols

ESP32 & ESP32-S3

85%

Modbus RTU / RS-485

84%

Embedded C/C++

82%

Hardware Telemetry

85%

Key Technologies: 4CORE