Who I Am
Hello! I'm Stephen Lumanta, a passionate full-stack developer who leverages AI tools like ChatGPT, Claude, Grok, and DeepSeek to enhance development efficiency and build modern web applications, APIs, and cloud infrastructure.
I have extensive experience building scalable solutions using Node.js, Express.js, and Nuxt.js, enhanced by AI-powered IDEs like VS Code, Cursor, and Windsurf. My expertise includes integrating payment systems like Stripe and PayPal, creating efficient database solutions with PostgreSQL, and deploying applications on cloud platforms like Digital Ocean.
From e-commerce platforms to inventory management systems, I create applications that solve real business problems with clean, maintainable code and robust architecture - all while utilizing cutting-edge AI tools and modern development environments to accelerate development and ensure best practices.
Technical Skills & AI Tools
My expertise spans across modern web technologies, cloud platforms, and cutting-edge AI tools that enhance productivity and code quality.
Backend Development
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Node.js 95%
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Express.js 90%
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RESTful APIs 95%
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PostgreSQL 90%
Frontend Development
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Nuxt.js 90%
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Vue.js 85%
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JavaScript ES6+ 95%
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TailwindCSS 90%
Cloud & Integration
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Digital Ocean 85%
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Stripe/PayPal 90%
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SendGrid/Nodemailer 85%
AI Tools & IDEs
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ChatGPT & Claude 90%
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Grok & DeepSeek 85%
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VS Code & Cursor 95%
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Windsurf IDE 80%
Project Experience
Here are some of the key projects and applications I've built throughout my career.
Full-Stack E-commerce Solution
Node.js, Express, Nuxt.js, Stripe
Built a complete e-commerce platform with product catalog, shopping cart, secure payment processing, order management, and admin dashboard. Integrated Stripe for payment processing and implemented inventory tracking.
Sales & Inventory System
Node.js, Express, PostgreSQL, Chart.js
Developed a comprehensive inventory management system with real-time sales tracking, automated reporting, analytics dashboard, and low-stock alerts. Features include barcode scanning and multi-location support.
Automated Email System
Node.js, OpenAI API, SendGrid
Created an AI-powered web application that automatically generates and sends personalized email responses. Integrated OpenAI API for content generation and SendGrid for email delivery with tracking.
Food Ordering & POS System
Node.js, Express, Nuxt.js, PayPal
Built a complete restaurant management system with online ordering, table reservations, POS integration, kitchen display system, and customer management. Deployed on Digital Ocean with SSL certificates.
Customer Relationship Management
Node.js, Express, Vue.js, PostgreSQL
Developed a comprehensive CRM system with lead management, automated follow-ups, sales pipeline tracking, and customer communication history. Features email automation and reporting dashboards.
Technology Stack
The tools and technologies I use to build modern, scalable applications.
Ready to Build Something Amazing?
Let's collaborate on your next project. I'll help you build scalable, modern applications that drive results.
Let's Work Together