SaaS Subscription Billing Portal
Marina delivered clean code and a smooth Stripe integration. Communication was excellent, and every milestone arrived on time. 5 stars.
Hourly Rate
$38 / Hr
Total Earned
$13,125
Experience
18 Years
Skills
- JavaScript
- TypeScript
- React
- Node.js
- Next.js
- REST API Development
- PostgreSQL
- MongoDB
Senior Full Stack Developer
I am Marina Karopetyan, a full stack developer with over 7 years of experience building modern web applications and digital platforms. I specialize in creating scalable, maintainable solutions using robust frontend and backend technologies. My work focuses on clean code, efficient APIs, responsive interfaces, and reliable system performance. I have experience collaborating with cross-functional teams, translating business needs into technical solutions, and delivering production-ready software. I am committed to writing high-quality code and helping clients bring their ideas to life through practical, well-engineered applications.
Reviews
14 reviews on file.
E-commerce Checkout Optimization
Fantastic work improving our checkout speed and UX. Marina quickly found bottlenecks and shipped reliable fixes. Would hire again.
Mobile Fitness App Backend
Marina built a stable API for our mobile app with great documentation. She handled auth, notifications, and deployment perfectly.
Custom CRM Workflow Automation
The CRM automation saved our team hours every week. Marina understood the business logic fast and implemented it flawlessly.
Executive KPI Dashboard
Marina created a polished dashboard with accurate real-time metrics. Her attention to detail and data handling were impressive.
AI Resume Screening Tool
Great problem solver and very responsive. Marina integrated the AI model cleanly and helped us improve result accuracy.
Fintech Payment Reconciliation System
Marina designed a secure and maintainable reconciliation system. The code quality was excellent, and testing was thorough.
Healthcare Appointment Management Platform
She delivered a HIPAA-aware scheduling platform with a clean interface. Marina was professional, careful, and always on schedule.
B2B Services Marketplace
Marina built core marketplace features quickly without sacrificing quality. Communication was clear, and the launch went smoothly.
Hotel Booking System Upgrade
Excellent backend and deployment support. Marina fixed legacy issues, improved performance, and made the booking flow more reliable.
Social Community Moderation Panel
Marina delivered an intuitive moderation panel that our team loves. She was proactive with suggestions and very easy to work with.
IoT Device Monitoring Console
The monitoring console is fast, reliable, and easy to maintain. Marina handled real-time data and alerts with strong technical skill.
Marketing Analytics Data Pipeline
Marina cleaned up our analytics pipeline and improved reporting accuracy. She explained technical tradeoffs clearly and delivered fast.
Restaurant Inventory Management App
A smooth project from start to finish. Marina built a practical inventory app, deployed it cleanly, and supported our team after launch.