SaaS Billing Portal Refactor
Liza cleaned up our billing flow and made the portal much faster. Communication was clear, and the final code was easy for our team to maintain.
Hourly Rate
$34 / Hr
Total Earned
$35,159
Experience
9 Years
Skills
- JavaScript
- TypeScript
- React
- Node.js
- Express.js
- PostgreSQL
- MongoDB
- REST APIs
Real Estate Lead Management App
I am LizaDunenko, a full stack developer with over 7 years of experience building modern web applications. I specialize in creating scalable, secure, and user-friendly solutions for startups, agencies, and growing businesses. My work spans frontend interfaces, backend APIs, database design, and cloud-based deployment workflows. I focus on clean code, clear communication, and delivering reliable results that align with business goals.
Reviews
14 reviews on file.
E-commerce Checkout Optimization
Excellent work improving our checkout performance and fixing tricky payment bugs. Delivered on time and explained every change clearly.
Mobile Fitness App Backend
Liza built a reliable backend for our fitness app with clean APIs and solid documentation. The deployment went smoothly and without surprises.
Custom CRM Workflow Automation
She understood our sales process quickly and automated the most painful CRM tasks. Great problem solving and very responsive throughout.
Executive Analytics Dashboard
The dashboard was delivered exactly as requested, with fast charts and polished filtering. Liza’s attention to detail was impressive.
AI Support Chatbot Integration
Liza integrated the AI chatbot into our support stack seamlessly. She handled edge cases well and kept us updated at every milestone.
Fintech Transaction Monitoring Tool
Outstanding architecture and secure implementation for our transaction monitoring tool. The code quality exceeded our expectations.
Healthcare Appointment Management Platform
Liza delivered a secure and user-friendly appointment system for our clinic. She was professional, timely, and very thorough with testing.
Marketplace Vendor Onboarding System
She built a smooth onboarding flow for our vendors and reduced manual review time significantly. Great communication and clean delivery.
Hotel Booking Engine Upgrade
Liza upgraded our booking engine without disrupting live reservations. Fast, careful, and excellent at solving legacy system issues.
Social Community Moderation Features
The moderation tools were implemented quickly and worked exactly as needed. Liza asked smart questions and shipped reliable code.
IoT Device Monitoring Console
Liza created a stable monitoring console for our IoT devices with real-time status updates. Deployment was handled perfectly.
Marketing Attribution Analytics Pipeline
She designed a dependable analytics pipeline that finally gave us accurate campaign reporting. Very organized and technically strong.
Real Estate Lead Management App
Liza built a polished lead management app that our agents adopted immediately. Timely delivery, clean UI, and excellent support after launch.