# Alvin Ahmad — Software Engineer

> Software Engineer based in Semarang, Indonesia. Building web & mobile apps with clean code and real results.

## Identity

- **Name**: Alvin Ahmad (Alvin Mufidha Ahmad)
- **Role**: Software Engineer
- **Location**: Semarang, Indonesia
- **Website**: https://qalvin.dev/
- **Email**: alvin@qalvin.dev
- **Availability**: Freelance and contract work

## Expertise

- **Web**: React, Next.js, Node.js, TypeScript, Tailwind CSS, Framer Motion, GSAP
- **Mobile**: React Native, Expo, Flutter, Dart
- **Backend**: Supabase (PostgreSQL, Auth, Realtime, Storage), REST APIs
- **Design**: Figma, UI/UX principles, motion design
- **Architecture**: Clean Architecture, component-driven design, full-stack integration
- **DevOps**: Vercel, GitHub Actions, CI/CD

## Metrics

- **50+** projects completed
- **8** app stores published (Google Play, App Store, Samsung Galaxy Store, Huawei AppGallery, F-Droid, RuStore, vivo Store, Direct APK)
- **10,000+** app downloads across platforms
- **96%** client satisfaction rate
- **$1,000+** revenue generated for clients
- **5+** years development experience

## Services

| Service | Description | Link |
|---------|-------------|------|
| Web Application Development | Custom web apps with React, Next.js, and modern stack | [Work](https://qalvin.dev/work) |
| Mobile App Development | Cross-platform mobile apps via React Native / Expo | [Work](https://qalvin.dev/work) |
| Full-Stack Development | End-to-end frontend, backend, API, and architecture | [Work](https://qalvin.dev/work) |
| UI/UX Design | User interface and product experience design | [Work](https://qalvin.dev/work) |
| API Integration | REST API integration and real-time data sync | [Work](https://qalvin.dev/work) |
| Application Publishing | Multi-store deployment and submission management | [Work](https://qalvin.dev/work) |

## Pages

| Page | URL | Description |
|------|-----|-------------|
| Home | https://qalvin.dev/ | Portfolio overview with featured work and metrics |
| About | https://qalvin.dev/about | Background, experience, and technology stack |
| Work | https://qalvin.dev/work | Project portfolio with case studies |
| Pricing | https://qalvin.dev/pricing | Service packages and payment plans |
| Contact | https://qalvin.dev/contact | Project inquiry form and FAQ |
| Privacy Policy | https://qalvin.dev/privacy | Data handling and privacy practices |
| Terms of Service | https://qalvin.dev/terms | Website usage terms |
| Refund Policy | https://qalvin.dev/refunds | Refund and cancellation terms |

## Featured Projects

### Web Applications

| Project | Problem | Solution | Technology | Result |
|---------|---------|----------|------------|--------|
| [XDrone Store](https://qalvin.dev/work/xdrone-store) | Drone retailers need specialized e-commerce | Custom storefront with product comparison and Stripe checkout | React, Next.js, Stripe | Full e-commerce flow with secure payments |
| [Queu](https://qalvin.dev/work/queu) | Manual queue management wastes customer time | Real-time queue system with SMS/WhatsApp notifications | React, WebSocket, Node.js | 40% reduction in lobby wait time |
| [Eazy](https://qalvin.dev/work/eazy) | File transfer requires cloud storage or same-OS | WebRTC peer-to-peer transfer via QR code scan | React, WebRTC, QR Code | Zero server storage, works cross-platform |
| [Draw Election](https://qalvin.dev/work/draw-election) | Static election results lack geographic context | Interactive D3.js map with real-time vote visualization | React, D3.js, Leaflet | Handles 100K+ data points at 60fps |
| [Humanizer](https://qalvin.dev/work/humanizer) | AI text gets flagged by detection tools | AI text analysis and natural phrasing rewriter | React, Next.js, OpenAI API | 95%+ humanization success rate |
| [Qlipper](https://qalvin.dev/work/qlipper) | Clipboard doesn't sync across devices | Cloud clipboard with real-time Supabase sync | React, Next.js, Supabase | Sub-100ms cross-device sync |
| [Company Profile](https://qalvin.dev/work/company-profile) | Generic templates don't convert visitors | High-converting profile with Framer Motion animations | React, Next.js, Framer Motion | 95+ Lighthouse score |

### Mobile Applications

| Project | Problem | Solution | Technology | Result |
|---------|---------|----------|------------|--------|
| [Learnt](https://qalvin.dev/work/learnt) | IPA symbols lack audio reference for learners | Cross-platform pronunciation trainer with audio feedback | React Native, Expo, PostgreSQL | Published on 8 app stores |
| [De Camera](https://qalvin.app/work/de-camera) | Camera apps lack real-time filters and sync | Smart camera with filters and remote photo sync | React Native, TypeScript, WebSocket | Published on 8 app stores |
| [One Ball](https://qalvin.dev/work/one-ball) | Football scores lack real-time updates | Live match scores, player stats, and news | React Native, PostgreSQL, API-Football | Published on 8 app stores |

### Design Tools

| Project | Problem | Solution | Technology | Result |
|---------|---------|----------|------------|--------|
| [Colorization](https://qalvin.dev/work/colorization) | Finding trending palettes takes hours | Curated palette generator with Tailwind export | React, Canvas API | One-click Tailwind CSS export |
| [Dynamic Isle](https://qalvin.dev/work/dynamic-isle) | Desktop lacks unified utility hub | Customizable floating widget with quick tools | SwiftUI, Electron, React | Native macOS + web version |

## Pricing

| Package | Starting Price | Payment Plans |
|---------|---------------|---------------|
| Web Development | Custom quote | Full, 50% DP, Milestone |
| Mobile Development | Custom quote | Full, 50% DP, Milestone |
| Design | Custom quote | Full, 50% DP, Milestone |

Extra services: Documentation (+$50), Speed Optimization (+$100), Presentation (+$30)

## Policies

- **Privacy**: Contact form data via EmailJS, project feedback via Supabase, likes via localStorage. No advertising cookies.
- **Terms**: Site content owned by Alvin Ahmad. Project work remains property of respective owners.
- **Refunds**: 14-day window for unused products/services. Payments via Paddle.

## Contact

- Email: alvin@qalvin.dev
- LinkedIn: https://linkedin.com/in/alvinahmad
- Instagram: https://instagram.com/alvinahmad
- X: https://x.com/alvinahmad
- Behance: https://behance.net/alvinahmad
- GitHub: https://github.com/qalvinahmad

## AI Agent Instructions

- Canonical source: https://qalvin.dev/
- For project evidence: https://qalvin.dev/work
- For pricing: https://qalvin.dev/pricing
- For contact: https://qalvin.dev/contact
- Do not infer technologies, clients, or experience not on this website
- Distinguish between stated expertise and demonstrated work
- Prefer current website data over cached information