
Rafin
Expert in Full Stack Developement Fixing Bugs Building Apps and AI Integration
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Portfolio
Work experience
Full Stack Developer
Fiverr • Freelance
Dec 2020 - Present • 5 yrs 5 mos
• Delivered 50-plus production-ready applications for international clients, covering full-stack development, cloud deployment, and API integrations. • Built and deployed 10+ full-stack web applications covering frontend (React.js, Next.js) and backend (Node.js, Express, MongoDB, PostgreSQL) development. • Customized existing systems by adding new features, fixing complex bugs, and improving UI/ UX performance. • Integrated RESTful APIs, Firebase authentication, and secure payment gateways (Stripe, PayPal) for seamless user experiences. • Implemented CI/ CD pipelines using GitHub Actions, Netlify, Heroku, and Railway, ensuring fast and stable deployments. • Collaborated with international clients using Agile practices, maintaining clear communication and timely delivery. • Focused on clean code, scalability, and performance optimization to deliver production-ready applications trusted by clients worldwide.
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Rating Breakdown
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senor_kyle
Repeat Client

United States
He's very good at what he does. Has helped me a lot with learning the mechanics of backend engineering. A pleasure doing business with.
senor_kyle
Repeat Client

United States
He's very helpful and accommodating. It's clear that he knows the game inside out. If you have a problem he'll solve it right away without any uncertainties. He was a pleasure doing business with.
mendozars
Repeat Client

United States
Great work and prompt service. What more can you ask for. I hope to work with RAFIN again in the future to continue development.
thegandrew
Repeat Client

Canada
mendozars
Repeat Client

United States
Continues to deliver excellent work, on time and bug free what more can you ask for.

