# Denny Ferdiansyah - Senior Software Engineer Portfolio

> This is the official portfolio website of Denny Ferdiansyah, a Senior Software Engineer with over 10 years of experience in Full-Stack Development.

## About Denny Ferdiansyah

Denny Ferdiansyah is a Senior Software Engineer based in Bandung, Indonesia, specializing in:
- Full-Stack Web Development (TypeScript, Golang, PHP, Laravel, React, Next.js)
- E-Commerce Solutions (Magento 2, Shopify, WordPress)
- Mobile App Development (Flutter)
- Real-time Systems (WebSockets, Redis Pub/Sub)
- System Architecture and Performance Optimization

## Contact Information

- Email: dferdiansyah2908@gmail.com
- Phone: +62 812 6773 966
- LinkedIn: https://linkedin.com/in/dennyferdiansyah
- GitHub: https://github.com/dennyferdiansyah
- Website: https://www.dennyferdiansyah.my.id
- Location: Bandung, West Java, Indonesia
- Availability: Remote work worldwide

## Professional Experience

### Current Position
- **Full-Stack Engineer at BlueRock** (March 2025 - Present)
  - Location: Australia (Remote)
  - Technologies: Laravel, WordPress, Flutter, NestJS, Shopify

### Previous Positions
- **Senior Software Engineer at ElectGo (Lim Kim Hai Group)** (September 2023 - March 2025)
  - Location: Singapore (Remote)
  - Achieved 66.7% revenue growth and reduced development costs from $300K to $20K/month
  - Technologies: Magento 2, ReactJS, NestJS, Epicor ERP

- **Senior Software Engineer at Halosis** (September 2022 - October 2023)
  - Location: Jakarta, Indonesia (Remote)
  - Built omni-channel chat system with 40% faster response time
  - Technologies: Laravel, VueJS 3, WebSockets, Firebase

- **Lead Software Engineer at Emkalab** (August 2019 - September 2022)
  - Location: Bandung, Indonesia
  - Led team of 5 engineers, delivered 10+ client projects
  - Technologies: Golang, ReactJS, Flutter, Laravel

## Technical Skills

### Backend Development
Golang, PHP, Laravel, Node.js, NestJS, TypeScript, REST APIs, GraphQL, Microservices, WebSockets

### Frontend Development
React.js, Next.js, Vue.js, TypeScript, Tailwind CSS, Redux, Zustand, Framer Motion

### E-Commerce Platforms
Magento 2, WordPress, Shopify, WooCommerce, Payment Gateway Integration, ERP Integration

### Mobile Development
Flutter (Android, iOS, Web), React Native, GetX State Management

### Databases & Caching
MySQL, PostgreSQL, Redis, Elasticsearch, MongoDB

### DevOps & Tools
Docker, CI/CD (GitHub Actions, GitLab CI), AWS, GCP, New Relic

## Key Achievements

1. **66.7% Revenue Growth** - Led Magento architecture optimizations for ElectGo e-commerce platform
2. **$280K Monthly Cost Savings** - Reduced development costs from $300K to $20K/month
3. **30+ Projects Delivered** - Successfully completed projects across e-commerce, real-time systems, and mobile apps
4. **99% Client Satisfaction** - Maintained high satisfaction rate across all delivered projects
5. **40% Faster Response Time** - Achieved in omni-channel chat system implementation
6. **Top Muslim Clothes Brand Award** - Helped client achieve recognition on Tokopedia marketplace

## Notable Projects

### E-Commerce
- ElectGo E-Commerce Platform (Magento 2, NestJS) - 66.7% revenue growth
- 3Second Multi-Brand E-Commerce (Magento 2) - 6 brand stores
- Vamosh Group E-Commerce - 300% sales increase

### Real-time Systems
- Flight Information Display System (Golang, Redis Pub/Sub) - Sub-100ms latency
- Omni-Channel Chat System (Laravel, WebSockets) - 40% faster response
- Toyota Service Booking App (Flutter, WebSockets) - Cross-platform

### Mobile Applications
- Ngitung Financial App (Flutter, NestJS) - Personal finance management
- ATM Machine Repair Service (Flutter, Golang) - Service tracking system

### Web Applications
- Wedding Invitation Platform (Next.js, WhatsApp API)
- HSBC & Danamon Financial Calculators (Laravel)
- Zi.Care Healthcare System (PHP, BPJS Integration)

## Services Offered

1. Full-Stack Web Development
2. E-Commerce Development (Magento, Shopify, WordPress)
3. Mobile App Development (Flutter)
4. API Development and Integration
5. System Architecture Consulting
6. Performance Optimization
7. Payment Gateway Integration
8. ERP System Integration

## Working Preferences

- Available for freelance projects, consulting, and full-time remote positions
- Experienced working with international teams across different time zones
- Proficient in English and Indonesian
- Strong communication skills for remote collaboration

## Education

- Diploma in Information Management
- Piksi Ganesha Polytechnic, Bandung, Indonesia

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For more information, visit: https://www.dennyferdiansyah.my.id