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EXPLORE
4.7
4.7
100%
$80 USD / Hour
・
United States (10:04 PM)
・
Joined on March 18, 2026
・
2 Recommendations
$80 USD / Hour
・
I'm Gregory, Founder & Lead Developer at Hampar Productions, with over 15 years of experience delivering scalable web platforms, mobile applications, AI-driven systems, and custom e-commerce solutions for global brands and startups alike. My expertise spans the full development lifecycle — from architecture and backend API design to frontend UX and deployment — with a relentless focus on performance, reliability, and measurable business results. What I specialize in: - Full-Stack Web Development (PHP, JavaScript, CSS, and modern frameworks) - Mobile App Development (real-time features, GPS integration) - AI-Driven Marketing & Automation Systems - E-Commerce Platforms & Custom Integrations - Learning Management Systems (LMS) & eLearning - Scalable APIs & Backend Architecture I pride myself on clear communication, delivering ahead of schedule, and going beyond the brief to ensure every client gets the best possible outcome — as reflected in my 5-star reviews and 100% on-time, on-budget record. Whether you need a polished website, a complex platform, or an intelligent automation system, I bring both deep technical expertise and genuine commitment to your success. Let's build something exceptional together.
Verifications
On time
100%
On budget
100%
Accept rate
100%
WS Dodge Oil – Branding and Website
Tend Website – Design/Development
Samsung Retail Mobile App
Google Multiplayer AR Game
Be Mighty Website-Shopify Theme
WS Dodge Oil – Branding and Website
Tend Website – Design/Development
Samsung Retail Mobile App
Google Multiplayer AR Game
Be Mighty Website-Shopify Theme
I’m very pleased with Gregory’s work. He delivered the product on time and helped me negate with Freelance program - this was my first time on this platform.
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Courtland L. B.
$140 USD
Gregory mentored me in Claude CoWork, Claude Design, and Claude Code. His strong technical background and practical experience enabled him to provide clear, actionable guidance tailored to my specific goals. He has a talent for simplifying complex concepts and recommending effective workflows that accelerate learning and productivity. Gregory is knowledgeable, patient, professional, and was genuinely committed to helping me succeed. I highly recommend him as a mentor. [22 June, 2026] Gregory mentored me in Claude CoWork, Claude Design, and Claude Code. His strong technical background and practical experience enabled him to provide clear, actionable guidance tailored to my specific goals. He has a talent for simplifying complex concepts and recommending effective workflows that accelerate learning and productivity. Gregory is knowledgeable, patient, professional, and genuinely committed to helping me succeed. I highly recommend him as a mentor.
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Zero D.
$340 AUD
Excellent work. All 66 Shopify products were uploaded as drafts with descriptions, pricing, SKUs, images, tags and collections organised properly. Communication was clear, issues were flagged early, and the work was completed professionally. I’d happily work with them again.
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Greg was great to work with
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Experience
Founder & Lead Developer
Feb, 2014 - Present
•
12 years, 4 months
Hampar Productions
Feb, 2014 - Present
•
12 years, 4 months
- Custom e-commerce platforms and automation systems - Developed mobile apps with real-time and GPS features - Implemented AI-driven marketing systems - Designed scalable APIs and backend systems
Los Angels, United States
Feb, 2014 - Present
•
12 years, 4 months
Education
University of Arizona
2001 - 2005
•
4 years
Bachelors (Business Administration, Political Science)
United States
2001 - 2005
•
4 years
Certifications
P
Preferred Freelancer Program SLA
JavaScript
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