Erwin James
Full Stack Developer, AWS Solutions Architect & AI Enthusiast
I build web applications that solve real problems and drive measurable results
AWS Certified
Solutions Architect
~4 Years
Production experience
Featured Project
Building production-ready SaaS applications that solve real business problems
SingleShop
Multi-tenant e-commerce SaaS platform where creators get custom URLs to sell products in 60 seconds
Technical Stack
Technical Highlights
Multi-Tenant Architecture
Row Level Security for complete data isolation between shops
Personalized URLs
Custom URL for your shop (singleshop.com/myshopname)
Payment Processing
Production-ready payment abstraction layer
Market Problem Solved
Traditional e-commerce platforms are too complex for single-product creators. SingleShop eliminates setup friction with instant shop creation.
- • 90% faster than traditional setup
- • No technical knowledge required
Revenue Model
Sustainable business model with multiple revenue streams designed for rapid scaling.
- • 5% transaction fee on all sales
- • Target: creators & entrepreneurs
Technical Expertise
Skills improving, one aspect at a time
Full-Stack Development
Frontend
Backend & Database
Authentication & Security
Secure user management, session handling, and multi-tenant data isolation
System Architecture
SaaS Architecture
Multi-tenant system design with complete data isolation
Performance Optimization
Optimized routing, caching, and database query performance
Security Implementation
Authentication, authorization, and comprehensive data protection
AWS & Cloud Infrastructure
Core Services
Architecture Patterns
Serverless, microservices, and cloud-native design
DevOps & Monitoring
CI/CD pipelines, monitoring, and cost optimization
Product Development
Market Research & Analysis
Competitive analysis and problem validation
Product Strategy
Feature prioritization and technical roadmap planning
User Experience Design
Customer journey mapping and conversion optimization
Business Models
Revenue strategy and pricing optimization
Professional Experience
Achievement-focused career progression with measurable impact
Full Stack and AI Engineer
Generative Labs
- Engineered a comprehensive real estate mobile application and web counterpart with Next.js, React Native and Expo
- Integrated natural language processing capabilities to enhance property descriptions, improving listing quality and engagement
- Developed a voice-based online certification platform leveraging OpenAI's Whisper API for speech recognition, creating a more accessible and user-friendly certification experience
Full Stack Cloud Software Engineer
Apper Digital, Inc.
- Spearheaded the end-to-end development of a Learning Management System (LMS) utilizing Node.js, React.js, and AWS serverless architecture, resulting in a scalable and cost-efficient solution
- Implemented comprehensive cloud infrastructure using AWS services (Lambda, S3, DynamoDB)
- Integrated OpenAI API to develop an intelligent AI assistant, enhancing user engagement and automated support capabilities
Front End Developer
Digipay PH
- Modernized the company's web application stack using Next.js and Redux, eliminating existing tech debt and enhancing application efficiency and user experience
- Engineered and launched a new Agent Banking feature enabling real-time Instapay fund transfers, expanding the platform's financial services and attracting new users
- Redesigned and optimized core features including Transaction History, Sales Analytics, and E-commerce platform for digital products, improving user experience and increasing customer satisfaction
Junior Front End Developer
Freelance
- Designed and developed a digital gallery/archive platform for a cultural clothing brand using Next.js and Tailwind CSS, showcasing responsive design and optimal performance
- Created a dynamic website for an international NGO's local chapter, implementing modern web development practices and ensuring accessibility standards
Let's Build Something Great
Ready to discuss your next project? I'm available for full-time opportunities and consulting projects.
Get In Touch
Let's discuss how I can help bring your ideas to life