# Arun Kumar Singh — Portfolio

> Founder & Principal Architect at Oacer Web Services. 12+ years of experience in full-stack web development, cloud infrastructure, and digital transformation.

## About

- **Name:** Arun Kumar Singh
- **Role:** Founder @ Oacer Web Services
- **Location:** Hyderabad, Telangana, India
- **Email:** arun@oacer.com
- **Phone / WhatsApp:** +917013391638
- **LinkedIn:** https://www.linkedin.com/in/arun-singh/
- **Instagram:** https://www.instagram.com/arun_oacer/

## Summary

Experienced software entrepreneur, systems architect, and engineering leader specialising in high-performance full-stack web applications, distributed systems, automated recruitment flows, drone telemetry platforms, and performant marketing infrastructures.

- 12+ years of continuous delivery
- 350+ successful projects across enterprise and startup ecosystems

## Ventures

### Oacer Web Services — https://oacer.com
Full-stack web development and digital transformation. End-to-end cloud-native application design and deployment.

### Vvork Freelance Marketplace — https://vvork.in
Collaborative workspace platform linking freelancers and professionals with real-time project coordination and invoicing.

### Reydaar Solutions — https://reydaar.com
Data-driven digital marketing agency. SEO strategies, lead generation funnels, and brand growth campaigns in Hyderabad.

### Aeroxone Media — https://aeroxone.in
Advanced drone services: high-resolution aerial videography, surveying, and GIS-enabled data analytics.

### Rflik SaaS App — https://rflik.com
All-in-one SaaS ERP: HRM, CRM, accounting, project management, and POS for streamlined business operations.

### Hirexone Outsourcing — https://hirexone.com
Specialized hiring platform automating talent sourcing, skill assessment, and onboarding.

## Skills

- System Architecture, React / Next.js / TypeScript, Node.js / Express
- Distributed Systems, Cloud Infrastructure, Database Optimization
- Workflow Automation, Product Engineering, Team Leadership

## Contact

For project inquiries, partnerships, or collaborations — reach out via:
- Email: arun@oacer.com
- WhatsApp: https://wa.me/917013391638